Sea weather in Monte Mario in Sao Tome and Principe All the beach weather in Monte Mario

All the essential weather information for enjoying the beach in Monte Mario in Sao Tome and Principe, 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 Monte Mario over the next 7 days?

Discover the best moment to go to the beach in Monte Mario in Sao Tome and Principe this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Monte Mario. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Monday 15 December 202579°F to 81°Frecommended
Tuesday 16 December 202577°F to 79°Frecommended
Wednesday 17 December 202579°F to 79°Frecommended
Thursday 18 December 202577°F to 81°Frecommended
Friday 19 December 202577°F to 81°Frecommended
Saturday 20 December 202579°F to 79°Frecommended
Sunday 21 December 202577°F to 79°Frecommended

Sea Weather: Your daily and hourly sea weather in Monte Mario

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 05:26 and will set at 17:32 on the beach(es) of Monte Mario. The outside temperature will be a high of 81°F t and a low of 79°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 10.6mph km/h (with gusts up to 14.9mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (79°F)26°C (78°F)27°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)
Perceived temperature29°C (84°F)28°C (83°F)28°C (83°F)29°C (85°F)29°C (83°F)29°C (84°F)29°C (83°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%81%82%80%82%81%82%83%
Barometric pressure1011 hPa1010 hPa1011 hPa1011 hPa1010 hPa1009 hPa1010 hPa1012 hPa
Cloud cover23%21%33%73%71%77%24%75%
Heat index29°C (84°F)28°C (83°F)28°C (83°F)29°C (85°F)29°C (83°F)29°C (84°F)29°C (83°F)28°C (83°F)
Dew point22°C (72°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)
Wind
Speed13km/h (8mph)16km/h (10mph)13km/h (8mph)14km/h (9mph)17km/h (10mph)17km/h (10mph)13km/h (8mph)8km/h (5mph)
Gusts18km/h (11mph)23km/h (14mph)18km/h (11mph)19km/h (11mph)24km/h (15mph)24km/h (15mph)19km/h (12mph)12km/h (7mph)
Direction 221°
SW
211°
SSW
199°
SSW
204°
SSW
205°
SSW
207°
SSW
220°
SW
219°
SW
Wind chill26°C (79°F)26°C (79°F)26°C (78°F)27°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)
Waves
Height0.7m (2.5ft)0.8m (2.6ft)0.8m (2.7ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.5ft)0.8m (2.5ft)0.7m (2.4ft)
Direction 209°
SSW
203°
SSW
211°
SSW
211°
SSW
211°
SSW
210°
SSW
209°
SSW
207°
SSW
Period15.0 sec.13.8 sec.13.5 sec.13.5 sec.13.6 sec.13.7 sec.14.0 sec.13.3 sec.
Significant height0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.3m (1ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 05:27 and will set at 17:33 on the beach(es) of Monte Mario. The outside temperature will be a high of 79°F t and a low of 77°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 7.5mph km/h (with gusts up to 11.2mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (78°F)26°C (78°F)26°C (79°F)26°C (78°F)26°C (79°F)26°C (78°F)26°C (79°F)
Perceived temperature28°C (83°F)28°C (82°F)28°C (83°F)29°C (84°F)28°C (83°F)28°C (83°F)28°C (83°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%84%84%82%80%81%81%77%
Barometric pressure1011 hPa1010 hPa1011 hPa1011 hPa1010 hPa1008 hPa1010 hPa1012 hPa
Cloud cover88%24%65%45%89%88%88%83%
Heat index28°C (83°F)28°C (82°F)28°C (83°F)29°C (84°F)28°C (83°F)28°C (83°F)28°C (83°F)29°C (84°F)
Dew point23°C (73°F)22°C (72°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)
Wind
Speed5km/h (3mph)9km/h (6mph)12km/h (8mph)12km/h (8mph)12km/h (7mph)12km/h (7mph)10km/h (6mph)10km/h (6mph)
Gusts8km/h (5mph)13km/h (8mph)17km/h (11mph)16km/h (10mph)18km/h (11mph)17km/h (10mph)18km/h (11mph)15km/h (9mph)
Direction 216°
SW
235°
SW
239°
WSW
231°
SW
242°
WSW
234°
SW
226°
SW
197°
SSW
Wind chill26°C (78°F)25°C (78°F)26°C (78°F)26°C (79°F)26°C (78°F)26°C (79°F)26°C (78°F)26°C (79°F)
Waves
Height0.7m (2.3ft)0.7m (2.2ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.4ft)0.7m (2.4ft)0.7m (2.3ft)0.6m (2.1ft)
Direction 205°
SSW
204°
SSW
203°
SSW
202°
SSW
202°
SSW
205°
SSW
203°
SSW
203°
SSW
Period13.1 sec.13.1 sec.13.0 sec.13.0 sec.12.9 sec.12.5 sec.12.3 sec.12.1 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.4m (1.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 05:27 and will set at 17:33 on the beach(es) of Monte Mario. The outside temperature will be a high of 79°F t and a low of 79°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 13.1mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (79°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)26°C (78°F)
Perceived temperature28°C (83°F)28°C (83°F)28°C (83°F)29°C (83°F)28°C (83°F)29°C (84°F)28°C (83°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%78%80%79%77%78%82%82%
Barometric pressure1010 hPa1009 hPa1011 hPa1012 hPa1010 hPa1008 hPa1010 hPa1012 hPa
Cloud cover37%48%86%31%80%85%84%35%
Heat index28°C (83°F)28°C (83°F)28°C (83°F)29°C (83°F)28°C (83°F)29°C (84°F)28°C (83°F)28°C (83°F)
Dew point21°C (71°F)22°C (71°F)22°C (72°F)22°C (72°F)22°C (71°F)22°C (72°F)22°C (72°F)22°C (72°F)
Wind
Speed6km/h (4mph)12km/h (8mph)15km/h (9mph)11km/h (7mph)12km/h (8mph)15km/h (9mph)13km/h (8mph)8km/h (5mph)
Gusts9km/h (5mph)17km/h (11mph)21km/h (13mph)15km/h (9mph)18km/h (11mph)21km/h (13mph)19km/h (12mph)11km/h (7mph)
Direction 207°
SSW
200°
SSW
200°
SSW
202°
SSW
214°
SW
209°
SSW
213°
SSW
210°
SSW
Wind chill26°C (79°F)26°C (79°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)26°C (78°F)
Waves
Height0.6m (2.0ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.1ft)0.7m (2.2ft)
Direction 202°
SSW
202°
SSW
202°
SSW
202°
SSW
233°
SW
232°
SW
202°
SSW
233°
SW
Period12.0 sec.11.9 sec.11.9 sec.11.8 sec.11.7 sec.11.5 sec.11.1 sec.11.0 sec.
Significant height0.4m (1.3ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 05:28 and will set at 17:34 on the beach(es) of Monte Mario. The outside temperature will be a high of 81°F t and a low of 77°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 8.7mph km/h (with gusts up to 13.1mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (78°F)26°C (78°F)26°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)
Perceived temperature28°C (82°F)28°C (82°F)28°C (82°F)29°C (84°F)28°C (83°F)28°C (83°F)29°C (83°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%83%81%77%76%77%79%80%
Barometric pressure1011 hPa1010 hPa1011 hPa1013 hPa1011 hPa1009 hPa1011 hPa1013 hPa
Cloud cover81%65%31%36%89%81%71%75%
Heat index28°C (82°F)28°C (82°F)28°C (82°F)29°C (84°F)28°C (83°F)28°C (83°F)29°C (83°F)28°C (83°F)
Dew point22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (71°F)22°C (71°F)22°C (72°F)22°C (72°F)
Wind
Speed8km/h (5mph)12km/h (7mph)12km/h (7mph)11km/h (7mph)14km/h (9mph)13km/h (8mph)12km/h (7mph)7km/h (4mph)
Gusts12km/h (7mph)16km/h (10mph)17km/h (10mph)15km/h (9mph)21km/h (13mph)19km/h (12mph)17km/h (11mph)11km/h (7mph)
Direction 207°
SSW
202°
SSW
208°
SSW
212°
SSW
223°
SW
201°
SSW
197°
SSW
210°
SSW
Wind chill26°C (78°F)25°C (78°F)26°C (78°F)26°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)
Waves
Height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.2ft)0.7m (2.3ft)0.7m (2.4ft)0.7m (2.5ft)0.8m (2.5ft)0.7m (2.4ft)
Direction 233°
SW
233°
SW
232°
SW
232°
SW
231°
SW
232°
SW
232°
SW
232°
SW
Period10.9 sec.10.8 sec.10.8 sec.10.7 sec.13.4 sec.13.3 sec.13.3 sec.10.2 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.4m (1.3ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 05:28 and will set at 17:34 on the beach(es) of Monte Mario. The outside temperature will be a high of 81°F t and a low of 77°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 7.5mph km/h (with gusts up to 10.6mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (78°F)26°C (78°F)27°C (80°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (78°F)
Perceived temperature28°C (83°F)28°C (82°F)28°C (82°F)29°C (84°F)28°C (82°F)29°C (83°F)29°C (83°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%82%80%76%76%78%80%81%
Barometric pressure1012 hPa1010 hPa1011 hPa1013 hPa1011 hPa1009 hPa1010 hPa1012 hPa
Cloud cover14%52%44%51%79%58%77%73%
Heat index28°C (83°F)28°C (82°F)28°C (82°F)29°C (84°F)28°C (82°F)29°C (83°F)29°C (83°F)28°C (83°F)
Dew point22°C (72°F)22°C (72°F)22°C (71°F)22°C (72°F)21°C (70°F)22°C (72°F)22°C (72°F)22°C (72°F)
Wind
Speed9km/h (6mph)10km/h (6mph)9km/h (6mph)10km/h (6mph)8km/h (5mph)12km/h (8mph)12km/h (7mph)9km/h (5mph)
Gusts13km/h (8mph)15km/h (9mph)13km/h (8mph)13km/h (8mph)13km/h (8mph)17km/h (11mph)16km/h (10mph)12km/h (8mph)
Direction 233°
SW
247°
WSW
210°
SSW
182°
S
203°
SSW
216°
SW
215°
SW
208°
SSW
Wind chill26°C (78°F)25°C (78°F)26°C (78°F)27°C (80°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (78°F)
Waves
Height0.7m (2.2ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (1.9ft)0.6m (1.9ft)0.5m (1.8ft)0.5m (1.8ft)0.5m (1.7ft)
Direction 232°
SW
231°
SW
230°
SW
231°
SW
231°
SW
231°
SW
231°
SW
231°
SW
Period10.2 sec.4.6 sec.12.3 sec.9.8 sec.9.7 sec.9.7 sec.9.8 sec.12.0 sec.
Significant height0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.3m (1ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.4m (1.3ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 05:29 and will set at 17:35 on the beach(es) of Monte Mario. The outside temperature will be a high of 79°F t and a low of 79°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 10.6mph km/h (with gusts up to 16.2mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)
Perceived temperature28°C (83°F)28°C (83°F)28°C (82°F)29°C (84°F)29°C (84°F)29°C (83°F)29°C (84°F)29°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%84%83%79%79%82%82%84%
Barometric pressure1011 hPa1009 hPa1010 hPa1012 hPa1010 hPa1008 hPa1009 hPa1011 hPa
Cloud cover71%71%81%30%59%73%63%59%
Heat index28°C (83°F)28°C (83°F)28°C (82°F)29°C (84°F)29°C (84°F)29°C (83°F)29°C (84°F)29°C (83°F)
Dew point23°C (73°F)23°C (73°F)22°C (72°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)
Wind
Speed10km/h (6mph)15km/h (9mph)14km/h (9mph)13km/h (8mph)14km/h (9mph)17km/h (11mph)13km/h (8mph)13km/h (8mph)
Gusts14km/h (9mph)21km/h (13mph)20km/h (13mph)18km/h (11mph)20km/h (12mph)26km/h (16mph)19km/h (12mph)19km/h (12mph)
Direction 212°
SSW
217°
SW
211°
SSW
202°
SSW
209°
SSW
210°
SSW
224°
SW
217°
SW
Wind chill26°C (78°F)26°C (78°F)26°C (78°F)26°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)
Waves
Height0.5m (1.7ft)0.5m (1.6ft)0.5m (1.5ft)0.5m (1.5ft)0.5m (1.5ft)0.6m (1.8ft)0.6m (2.1ft)0.6m (1.9ft)
Direction 230°
SW
230°
SW
231°
SW
231°
SW
230°
SW
229°
SW
200°
SSW
198°
SSW
Period11.8 sec.9.1 sec.11.2 sec.8.8 sec.8.8 sec.10.9 sec.12.1 sec.10.8 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Sunday 21 December 2025

On Sunday 21 December 2025, the sun will rise at 05:29 and will set at 17:35 on the beach(es) of Monte Mario. The outside temperature will be a high of 79°F t and a low of 77°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 13.7mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (78°F)26°C (78°F)26°C (80°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)
Perceived temperature28°C (82°F)28°C (82°F)28°C (82°F)29°C (84°F)28°C (83°F)29°C (84°F)29°C (84°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%83%83%78%79%77%81%83%
Barometric pressure1010 hPa1009 hPa1010 hPa1011 hPa1010 hPa1008 hPa1010 hPa1011 hPa
Cloud cover71%43%49%76%89%83%74%71%
Heat index28°C (82°F)28°C (82°F)28°C (82°F)29°C (84°F)28°C (83°F)29°C (84°F)29°C (84°F)29°C (84°F)
Dew point23°C (73°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (71°F)22°C (72°F)23°C (73°F)23°C (73°F)
Wind
Speed11km/h (7mph)13km/h (8mph)13km/h (8mph)10km/h (6mph)10km/h (6mph)14km/h (9mph)15km/h (10mph)15km/h (9mph)
Gusts15km/h (10mph)17km/h (11mph)18km/h (11mph)13km/h (8mph)15km/h (9mph)20km/h (13mph)22km/h (14mph)21km/h (13mph)
Direction 219°
SW
220°
SW
211°
SSW
214°
SW
207°
SSW
209°
SSW
210°
SSW
217°
SW
Wind chill25°C (78°F)25°C (78°F)26°C (78°F)26°C (80°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)
Waves
Height0.5m (1.8ft)0.5m (1.8ft)0.6m (1.8ft)0.5m (1.8ft)0.7m (2.2ft)0.7m (2.3ft)0.6m (2.1ft)0.6m (1.9ft)
Direction 224°
SW
213°
SSW
205°
SSW
201°
SSW
199°
SSW
218°
SW
215°
SW
212°
SSW
Period10.8 sec.11.4 sec.11.0 sec.11.0 sec.10.9 sec.10.8 sec.4.6 sec.10.0 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.9m (3ft)0.7m (2.3ft)0.6m (2ft)0.4m (1.3ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units