Sea weather in Reykjavík in Iceland All the beach weather in Reykjavík
All the essential weather information for enjoying the beach in Reykjavík in Iceland, for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.
Weather: When should you go to the beach in Reykjavík over the next 7 days?
Discover the best moment to go to the beach in Reykjavík in Iceland this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Reykjavík. You can see full forecasts by clicking on the day you want to see in the table below.
| Date | Outside temp. | Max wind | Our opinion | Details |
|---|---|---|---|---|
| Monday 15 December 2025 | 31°F to 34°F | 7.5mph | not recommended | all the sea weather |
| Tuesday 16 December 2025 | 32°F to 38°F | 20.5mph | not recommended | all the sea weather |
| Wednesday 17 December 2025 | 38°F to 41°F | 16.2mph | not recommended | all the sea weather |
| Thursday 18 December 2025 | 38°F to 41°F | 16.2mph | discouraged | all the sea weather |
| Friday 19 December 2025 | 34°F to 38°F | 11.8mph | not recommended | all the sea weather |
| Saturday 20 December 2025 | 31°F to 34°F | 21.1mph | not recommended | all the sea weather |
| Sunday 21 December 2025 | 29°F to 36°F | 17.4mph | not recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Reykjavík
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 11:17 and will set at 15:30 on the beach(es) of Reykjavík. The outside temperature will be a high of 34°F t and a low of 31°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 9.3mph km/h (with gusts up to 18.6mph). Wave height will be up to 6.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | |  | |  | |  | |
| Outside temperature | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 0°C (33°F) | -0°C (31°F) | -1°C (30°F) | -0°C (32°F) |
| Perceived temperature | -1°C (31°F) | -0°C (32°F) | -2°C (29°F) | -3°C (26°F) | -4°C (26°F) | -5°C (23°F) | -6°C (22°F) | -4°C (25°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 91% | 90% | 97% | 92% | 83% | 79% | 80% | 77% |
| Barometric pressure | 972 hPa | 972 hPa | 973 hPa | 974 hPa | 976 hPa | 977 hPa | 980 hPa | 983 hPa |
| Cloud cover | 100% | 96% | 100% | 97% | 19% | 9% | 11% | 30% |
| Heat index | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 0°C (33°F) | -0°C (31°F) | -1°C (30°F) | -0°C (32°F) |
| Dew point | -1°C (31°F) | -1°C (30°F) | 0°C (32°F) | -0°C (31°F) | -2°C (28°F) | -4°C (26°F) | -4°C (25°F) | -4°C (26°F) |
| Wind | ||||||||
| Speed | 4km/h (3mph) | 4km/h (2mph) | 7km/h (4mph) | 13km/h (8mph) | 13km/h (8mph) | 15km/h (10mph) | 15km/h (9mph) | 12km/h (7mph) |
| Gusts | 6km/h (4mph) | 5km/h (3mph) | 10km/h (6mph) | 18km/h (11mph) | 21km/h (13mph) | 30km/h (19mph) | 29km/h (18mph) | 19km/h (12mph) |
| Direction | 28° NNE | 71° ENE | 54° NE | 33° NNE | 41° NE | 46° NE | 43° NE | 65° ENE |
| Wind chill | -1°C (31°F) | -0°C (32°F) | -2°C (29°F) | -3°C (26°F) | -4°C (26°F) | -5°C (23°F) | -6°C (22°F) | -4°C (25°F) |
| Waves | ||||||||
| Height | 1.6m (5.1ft) | 1.8m (6.0ft) | 2.1m (6.8ft) | 2.1m (6.8ft) | 1.9m (6.3ft) | 1.8m (5.9ft) | 1.7m (5.6ft) | 1.6m (5.3ft) |
| Direction | 238° WSW | 237° WSW | 237° WSW | 236° WSW | 237° WSW | 237° WSW | 238° WSW | 239° WSW |
| Period | 15.5 sec. | 15.7 sec. | 15.8 sec. | 15.5 sec. | 15.0 sec. | 14.7 sec. | 14.6 sec. | 14.5 sec. |
| Significant height | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) |
Sea weather on Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 11:19 and will set at 15:29 on the beach(es) of Reykjavík. The outside temperature will be a high of 38°F t and a low of 32°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 20.5mph km/h (with gusts up to 24.2mph). Wave height will be up to 4.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 0°C (32°F) | 0°C (32°F) | 0°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (34°F) | 2°C (35°F) | 2°C (36°F) |
| Perceived temperature | -4°C (26°F) | -4°C (25°F) | -3°C (26°F) | -3°C (27°F) | -3°C (27°F) | -4°C (25°F) | -4°C (25°F) | -4°C (25°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 75% | 73% | 69% | 68% | 63% | 62% | 60% | 69% |
| Barometric pressure | 985 hPa | 988 hPa | 990 hPa | 991 hPa | 993 hPa | 991 hPa | 989 hPa | 985 hPa |
| Cloud cover | 18% | 13% | 6% | 9% | 16% | 20% | 36% | 7% |
| Heat index | 0°C (32°F) | 0°C (32°F) | 0°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (34°F) | 2°C (35°F) | 2°C (36°F) |
| Dew point | -4°C (25°F) | -4°C (24°F) | -5°C (24°F) | -5°C (24°F) | -6°C (22°F) | -5°C (22°F) | -5°C (23°F) | -3°C (27°F) |
| Wind | ||||||||
| Speed | 12km/h (7mph) | 12km/h (7mph) | 12km/h (7mph) | 11km/h (7mph) | 11km/h (7mph) | 19km/h (12mph) | 27km/h (17mph) | 33km/h (21mph) |
| Gusts | 18km/h (11mph) | 19km/h (12mph) | 19km/h (12mph) | 19km/h (12mph) | 21km/h (13mph) | 21km/h (13mph) | 28km/h (17mph) | 39km/h (24mph) |
| Direction | 75° ENE | 72° ENE | 70° ENE | 82° E | 108° ESE | 96° E | 96° E | 90° E |
| Wind chill | -4°C (26°F) | -4°C (25°F) | -3°C (26°F) | -3°C (27°F) | -3°C (27°F) | -4°C (25°F) | -4°C (25°F) | -4°C (25°F) |
| Waves | ||||||||
| Height | 1.5m (4.9ft) | 1.3m (4.4ft) | 1.2m (4.0ft) | 1.1m (3.8ft) | 1.1m (3.5ft) | 1.0m (3.3ft) | 0.9m (3.1ft) | 0.9m (3.1ft) |
| Direction | 239° WSW | 239° WSW | 239° WSW | 239° WSW | 239° WSW | 239° WSW | 240° WSW | 240° WSW |
| Period | 14.2 sec. | 13.7 sec. | 13.5 sec. | 13.3 sec. | 12.8 sec. | 12.7 sec. | 12.7 sec. | 12.4 sec. |
| Significant height | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.7m (2.3ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) |
Sea weather on Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 11:20 and will set at 15:29 on the beach(es) of Reykjavík. The outside temperature will be a high of 41°F t and a low of 38°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 36mph km/h (with gusts up to 40.4mph). Wave height will be up to 9.5ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  |  |  | |  |  | | |
| Outside temperature | 4°C (39°F) | 4°C (40°F) | 5°C (41°F) | 5°C (40°F) | 3°C (38°F) | 3°C (38°F) | 3°C (38°F) | 3°C (38°F) |
| Perceived temperature | -3°C (27°F) | -3°C (27°F) | 1°C (33°F) | -1°C (30°F) | -3°C (27°F) | -3°C (27°F) | -2°C (28°F) | -2°C (29°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 79% | 87% | 80% | 78% | 90% | 90% | 89% | 91% |
| Barometric pressure | 979 hPa | 973 hPa | 972 hPa | 972 hPa | 971 hPa | 968 hPa | 967 hPa | 968 hPa |
| Cloud cover | 100% | 100% | 60% | 71% | 100% | 96% | 100% | 97% |
| Heat index | 4°C (39°F) | 4°C (40°F) | 5°C (41°F) | 5°C (40°F) | 3°C (38°F) | 3°C (38°F) | 3°C (38°F) | 3°C (38°F) |
| Dew point | 1°C (33°F) | 2°C (36°F) | 2°C (36°F) | 1°C (34°F) | 2°C (35°F) | 2°C (35°F) | 2°C (35°F) | 2°C (36°F) |
| Wind | ||||||||
| Speed | 48km/h (30mph) | 58km/h (36mph) | 23km/h (15mph) | 39km/h (24mph) | 35km/h (22mph) | 38km/h (24mph) | 31km/h (19mph) | 26km/h (16mph) |
| Gusts | 49km/h (30mph) | 65km/h (40mph) | 35km/h (22mph) | 46km/h (28mph) | 51km/h (32mph) | 45km/h (28mph) | 46km/h (29mph) | 38km/h (24mph) |
| Direction | 102° ESE | 106° ESE | 138° SE | 117° ESE | 103° ESE | 109° ESE | 100° E | 96° E |
| Wind chill | -3°C (27°F) | -3°C (27°F) | 1°C (33°F) | -1°C (30°F) | -3°C (27°F) | -3°C (27°F) | -2°C (28°F) | -2°C (29°F) |
| Waves | ||||||||
| Height | 0.9m (2.9ft) | 1.0m (3.3ft) | 1.3m (4.2ft) | 1.3m (4.2ft) | 0.9m (3.0ft) | 0.7m (2.4ft) | 1.2m (4.0ft) | 2.9m (9.6ft) |
| Direction | 240° WSW | 240° WSW | 97° E | 230° SW | 229° SW | 228° SW | 234° SW | 234° SW |
| Period | 12.2 sec. | 12.1 sec. | 11.8 sec. | 11.8 sec. | 11.6 sec. | 11.3 sec. | 22.6 sec. | 20.8 sec. |
| Significant height | 0.9m (3ft) | 1.7m (5.6ft) | 2.0m (6.6ft) | 1.8m (5.9ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 4°C (38°F) | 4°C (38°F) | 4°C (38°F) | 4°C (38°F) | 4°C (38°F) | 4°C (38°F) | 4°C (38°F) | 4°C (38°F) |
Sea weather on Thursday 18 December 2025
On Thursday 18 December 2025, the sun will rise at 11:21 and will set at 15:29 on the beach(es) of Reykjavík. The outside temperature will be a high of 41°F t and a low of 38°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 20.5mph km/h (with gusts up to 29.8mph). Wave height will be up to 12.1ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | |  |  | | | |
| Outside temperature | 4°C (39°F) | 3°C (37°F) | 5°C (41°F) | 4°C (40°F) | 3°C (38°F) | 4°C (38°F) | 3°C (37°F) | 4°C (39°F) |
| Perceived temperature | -1°C (30°F) | -2°C (28°F) | -0°C (31°F) | -1°C (30°F) | -2°C (28°F) | -2°C (29°F) | -2°C (28°F) | -1°C (30°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 90% | 94% | 84% | 89% | 91% | 90% | 93% | 84% |
| Barometric pressure | 968 hPa | 967 hPa | 968 hPa | 971 hPa | 974 hPa | 975 hPa | 977 hPa | 978 hPa |
| Cloud cover | 100% | 77% | 89% | 100% | 83% | 100% | 100% | 43% |
| Heat index | 4°C (39°F) | 3°C (37°F) | 5°C (41°F) | 4°C (40°F) | 3°C (38°F) | 4°C (38°F) | 3°C (37°F) | 4°C (39°F) |
| Dew point | 2°C (36°F) | 2°C (35°F) | 2°C (36°F) | 3°C (37°F) | 2°C (35°F) | 2°C (36°F) | 2°C (35°F) | 1°C (35°F) |
| Wind | ||||||||
| Speed | 26km/h (16mph) | 22km/h (14mph) | 33km/h (20mph) | 31km/h (19mph) | 28km/h (17mph) | 28km/h (18mph) | 24km/h (15mph) | 26km/h (16mph) |
| Gusts | 37km/h (23mph) | 33km/h (20mph) | 48km/h (30mph) | 44km/h (28mph) | 44km/h (27mph) | 43km/h (27mph) | 36km/h (23mph) | 40km/h (25mph) |
| Direction | 90° E | 50° NE | 121° ESE | 111° ESE | 94° E | 96° E | 90° E | 83° E |
| Wind chill | -1°C (30°F) | -2°C (28°F) | -0°C (31°F) | -1°C (30°F) | -2°C (28°F) | -2°C (29°F) | -2°C (28°F) | -1°C (30°F) |
| Waves | ||||||||
| Height | 3.7m (12.0ft) | 3.6m (11.8ft) | 3.3m (10.9ft) | 3.0m (9.8ft) | 2.6m (8.5ft) | 2.2m (7.3ft) | 1.9m (6.2ft) | 1.6m (5.2ft) |
| Direction | 235° SW | 237° WSW | 237° WSW | 237° WSW | 237° WSW | 236° WSW | 236° WSW | 238° WSW |
| Period | 20.3 sec. | 19.5 sec. | 19.0 sec. | 18.1 sec. | 17.5 sec. | 16.5 sec. | 15.9 sec. | 15.4 sec. |
| Significant height | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 4°C (38°F) | 4°C (38°F) | 4°C (38°F) | 4°C (38°F) | 4°C (38°F) | 4°C (38°F) | 4°C (38°F) | 4°C (38°F) |
Sea weather on Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 11:22 and will set at 15:29 on the beach(es) of Reykjavík. The outside temperature will be a high of 38°F t and a low of 34°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 14.3mph km/h (with gusts up to 24.2mph). Wave height will be up to 4.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | |  | | | |
| Outside temperature | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 2°C (36°F) | 2°C (35°F) | 1°C (34°F) | 1°C (34°F) |
| Perceived temperature | -2°C (29°F) | -2°C (28°F) | -2°C (29°F) | -2°C (29°F) | -3°C (27°F) | -2°C (28°F) | -3°C (26°F) | -4°C (25°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 80% | 77% | 76% | 72% | 70% | 70% | 73% | 75% |
| Barometric pressure | 978 hPa | 978 hPa | 978 hPa | 978 hPa | 978 hPa | 979 hPa | 980 hPa | 980 hPa |
| Cloud cover | 17% | 9% | 100% | 97% | 68% | 50% | 30% | 24% |
| Heat index | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 2°C (36°F) | 2°C (35°F) | 1°C (34°F) | 1°C (34°F) |
| Dew point | -0°C (32°F) | -1°C (30°F) | -1°C (30°F) | -2°C (29°F) | -3°C (27°F) | -3°C (26°F) | -3°C (26°F) | -3°C (27°F) |
| Wind | ||||||||
| Speed | 21km/h (13mph) | 23km/h (14mph) | 20km/h (12mph) | 20km/h (13mph) | 19km/h (12mph) | 13km/h (8mph) | 16km/h (10mph) | 19km/h (12mph) |
| Gusts | 35km/h (22mph) | 39km/h (24mph) | 33km/h (20mph) | 34km/h (21mph) | 36km/h (22mph) | 23km/h (14mph) | 30km/h (19mph) | 33km/h (21mph) |
| Direction | 55° NE | 44° NE | 40° NE | 28° NNE | 35° NE | 55° NE | 53° NE | 45° NE |
| Wind chill | -2°C (29°F) | -2°C (28°F) | -2°C (29°F) | -2°C (29°F) | -3°C (27°F) | -2°C (28°F) | -3°C (26°F) | -4°C (25°F) |
| Waves | ||||||||
| Height | 1.4m (4.5ft) | 1.3m (4.1ft) | 1.2m (4.0ft) | 1.1m (3.7ft) | 1.1m (3.6ft) | 1.0m (3.4ft) | 1.0m (3.3ft) | 0.9m (3.1ft) |
| Direction | 237° WSW | 240° WSW | 240° WSW | 240° WSW | 239° WSW | 240° WSW | 240° WSW | 240° WSW |
| Period | 15.0 sec. | 14.7 sec. | 14.4 sec. | 14.2 sec. | 13.6 sec. | 13.3 sec. | 13.1 sec. | 12.6 sec. |
| Significant height | 0.8m (2.6ft) | 0.9m (3ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) |
Sea weather on Saturday 20 December 2025
On Saturday 20 December 2025, the sun will rise at 11:23 and will set at 15:30 on the beach(es) of Reykjavík. The outside temperature will be a high of 34°F t and a low of 31°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 23.6mph km/h (with gusts up to 31.7mph). Wave height will be up to 4.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 0°C (32°F) | -1°C (30°F) | -0°C (32°F) |
| Perceived temperature | -4°C (24°F) | -5°C (22°F) | -5°C (22°F) | -6°C (22°F) | -6°C (22°F) | -7°C (20°F) | -9°C (17°F) | -7°C (19°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 72% | 72% | 79% | 80% | 77% | 75% | 73% | 72% |
| Barometric pressure | 981 hPa | 982 hPa | 984 hPa | 987 hPa | 991 hPa | 994 hPa | 999 hPa | 1003 hPa |
| Cloud cover | 15% | 10% | 100% | 94% | 34% | 20% | 9% | 4% |
| Heat index | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 0°C (32°F) | -1°C (30°F) | -0°C (32°F) |
| Dew point | -4°C (25°F) | -4°C (25°F) | -3°C (27°F) | -2°C (28°F) | -3°C (27°F) | -4°C (25°F) | -5°C (23°F) | -4°C (24°F) |
| Wind | ||||||||
| Speed | 21km/h (13mph) | 26km/h (16mph) | 27km/h (17mph) | 30km/h (18mph) | 31km/h (19mph) | 35km/h (21mph) | 38km/h (24mph) | 34km/h (21mph) |
| Gusts | 35km/h (22mph) | 43km/h (27mph) | 39km/h (24mph) | 41km/h (25mph) | 44km/h (28mph) | 51km/h (32mph) | 45km/h (28mph) | 46km/h (28mph) |
| Direction | 36° NE | 24° NNE | 23° NNE | 22° NNE | 21° NNE | 13° NNE | 9° N | 8° N |
| Wind chill | -4°C (24°F) | -5°C (22°F) | -5°C (22°F) | -6°C (22°F) | -6°C (22°F) | -7°C (20°F) | -9°C (17°F) | -7°C (19°F) |
| Waves | ||||||||
| Height | 0.9m (2.9ft) | 0.8m (2.6ft) | 0.7m (2.2ft) | 0.6m (2.0ft) | 0.6m (1.9ft) | 0.9m (2.9ft) | 1.3m (4.2ft) | 1.2m (4.1ft) |
| Direction | 239° WSW | 239° WSW | 238° WSW | 238° WSW | 238° WSW | 240° WSW | 265° W | 241° WSW |
| Period | 12.0 sec. | 11.9 sec. | 11.8 sec. | 11.6 sec. | 11.3 sec. | 11.5 sec. | 11.2 sec. | 6.8 sec. |
| Significant height | 0.7m (2.3ft) | 0.6m (2ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.3m (1ft) | 0.5m (1.6ft) | 0.6m (2ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) |
Sea weather on Sunday 21 December 2025
On Sunday 21 December 2025, the sun will rise at 11:23 and will set at 15:30 on the beach(es) of Reykjavík. The outside temperature will be a high of 36°F t and a low of 29°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 18.6mph km/h (with gusts up to 27.3mph). Wave height will be up to 3.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | -0°C (31°F) | -0°C (31°F) | -1°C (31°F) | -1°C (30°F) | -2°C (29°F) | -1°C (31°F) | -0°C (32°F) | 2°C (35°F) |
| Perceived temperature | -7°C (20°F) | -6°C (21°F) | -6°C (22°F) | -5°C (22°F) | -5°C (24°F) | -4°C (25°F) | -4°C (24°F) | -4°C (24°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 76% | 77% | 75% | 73% | 67% | 64% | 60% | 67% |
| Barometric pressure | 1007 hPa | 1010 hPa | 1012 hPa | 1013 hPa | 1014 hPa | 1014 hPa | 1013 hPa | 1013 hPa |
| Cloud cover | 3% | 7% | 6% | 7% | 7% | 12% | 10% | 100% |
| Heat index | -0°C (31°F) | -0°C (31°F) | -1°C (31°F) | -1°C (30°F) | -2°C (29°F) | -1°C (31°F) | -0°C (32°F) | 2°C (35°F) |
| Dew point | -4°C (25°F) | -4°C (25°F) | -5°C (24°F) | -5°C (22°F) | -7°C (19°F) | -7°C (20°F) | -7°C (20°F) | -4°C (25°F) |
| Wind | ||||||||
| Speed | 30km/h (18mph) | 24km/h (15mph) | 17km/h (10mph) | 12km/h (8mph) | 8km/h (5mph) | 10km/h (6mph) | 14km/h (9mph) | 28km/h (18mph) |
| Gusts | 40km/h (25mph) | 33km/h (21mph) | 23km/h (14mph) | 18km/h (11mph) | 13km/h (8mph) | 19km/h (12mph) | 28km/h (17mph) | 44km/h (27mph) |
| Direction | 1° N | 12° NNE | 29° NNE | 49° NE | 112° ESE | 125° SE | 126° SE | 127° SE |
| Wind chill | -7°C (20°F) | -6°C (21°F) | -6°C (22°F) | -5°C (22°F) | -5°C (24°F) | -4°C (25°F) | -4°C (24°F) | -4°C (24°F) |
| Waves | ||||||||
| Height | 1.2m (4.0ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.1m (3.7ft) | 1.1m (3.6ft) | 1.1m (3.5ft) | 1.0m (3.4ft) |
| Direction | 241° WSW | 240° WSW | 242° WSW | 243° WSW | 244° WSW | 245° WSW | 246° WSW | 245° WSW |
| Period | 6.8 sec. | 11.3 sec. | 11.6 sec. | 11.1 sec. | 10.8 sec. | 10.4 sec. | 10.0 sec. | 9.8 sec. |
| Significant height | 1.3m (4.3ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.6m (2ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.4m (1.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) |