San Sebastián Weather in August
What's the weather like in San Sebastián (San Vicente) in August 2024?
The climate in San Sebastián during August can be summarized as hot, humid and very wet.
August is in the summer in San Sebastián and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (87°F), whilst at night 19°C (65°F) is normal.
| Daytime temperature | 30.3°C 86.5°F |
|---|---|
| Nightly temperature | 18.6°C 65.4°F |
| Average temperature | 24.4°C 75.9°F |
| Daily sunshine | 6.8 hrs |
| Avg rainfall | 296 mm 11.7 ins |
| Rainy days | 25 days |
| Sea temperature | 29.7°C 85.5°F |
| Humidity | 84% |
| Windspeed | 9.7kph 6 mph |
On average August is the 4th wettest month of the year in San Sebastián with around 296mm 11.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 25 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 hours of sunshine per day.
August temperatures in San Sebastián
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Sebastián in August 2024.
Other monthly averages
Best places to visit in August
San Sebastián weather stats
| Hottest month: | April | 32.8°C 91°F |
|---|---|---|
| Driest month: | February | 10mm 0.4ins |
| Sunniest month: | March | 9.4hrs |
| Coldest month: | December | 29.9°C 85.8°F |
| Wettest month: | September | 357mm 14.1ins |
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