San Sebastián Weather in May
What's the weather like in San Sebastián (San Sebastian) in May 2024?
The climate in San Sebastián during May can be summarized as hot, humid and very wet.
May is in the spring in San Sebastián and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (83°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 28.4°C 83°F |
|---|---|
| Nightly temperature | 21.1°C 69.9°F |
| Average temperature | 24.7°C 76.5°F |
| Daily sunshine | 8.5 hrs |
| Avg rainfall | 273 mm 10.7 ins |
| Rainy days | 15 days |
| Sea temperature | 27.5°C 81.4°F |
| Humidity | 79% |
| Windspeed | 14.8kph 9 mph |
On average May is the wettest month of the year in San Sebastián with around 273mm 10.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.5 hours of sunshine per day.
May temperatures in San Sebastián
May rainfall
May 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 May 2024.
Other monthly averages
San Sebastián weather stats
| Hottest month: | August | 29°C 84.2°F |
|---|---|---|
| Driest month: | February | 81mm 3.2ins |
| Sunniest month: | March | 9.5hrs |
| Coldest month: | February | 25.9°C 78.6°F |
| Wettest month: | May | 273mm 10.7ins |
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