Swimming in Grindavík in august 2025: Average sea temperature in august and tide times in august 2025
Average sea temperature in Grindavík in august 2025.
In august, according to seasonal norms, the sea temperature in Grindavík is:
Minimum: 51°F
Average: 53°F
Maximum: 56°F
Other useful seasonal weather averages in august:
- Outside temperature: 51°F to 54°F
- Most common weather: "Cloudy"
- The wind blows at 5.6mph
- It rains a total of 4.9in, over 7 day(s).
Should we swim in Grindavík in august?
No... The water temperature in Grindavík in august is freezing
You won't be able to swim in Grindavík in august! The water temperature is freezing, reaching as low as 51°F (and only 56°F at best)! Our advice: if you are going to Grindavík this month, plan to sightsee and forget the beach!
Note also that in august, the climate is tolerable with an average outside temperature of 53°F, 4.9in of precipitation (over 7 days) and 84.6 % humidity.
Water and normal seasonal temperatures in Grindavík in august
| August | |||
| Average sea temperature | 53°F | ||
| Minimum sea temperature | 51°F | ||
| Maximum sea temperature | 56°F | ||
| Average outside temperature | 54°F | ||
| Maximum outside temperature | 56°F | ||
| Minimum outside temperature | 52°F | ||
| Wind speed | 16.8mph | ||
| Wind temperature | 49°F | ||
| Precipitation | 4.9in | ||
| Number of days of rain | 7 jour(s) (24%) | ||
| Humidity | 85% | ||
| Visibility in kilometers | 9.09km | ||
| Cloud cover | 60% | ||
| Our opinion | freezing swimming |
Chart of the tides in august 2025
Tide times in august 2025 in Grindavík
Swim elsewhere in Iceland in august
| City | Average T° | Min. T° | Max. T° | Our opinion | Reykjavík in august | 53°F | 56°F | freezing swimming | Akureyri in august | 49°F | 52°F | freezing swimming | Borgarnes in august | 52°F | 54°F | freezing swimming | Djúpavík in august | 48°F | 51°F | freezing swimming | Hofn in august | 52°F | 53°F | freezing swimming | Ísafjörður in august | 48°F | 50°F | freezing swimming | Ólafsvík in august | 51°F | 53°F | freezing swimming | Patreksfjörður in august | 48°F | 50°F | freezing swimming | Raufarhöfn in august | 50°F | 53°F | freezing swimming | Siglufjördur in august | 49°F | 52°F | freezing swimming | Snaefellsnes in august | 51°F | 53°F | freezing swimming | Vík í Mýrdal in august | 53°F | 55°F | freezing swimming | Jokulsarlon in august | 51°F | 54°F | freezing swimming |