The climate in Zumaia during May can be summarized as mild and damp.
May is in the spring in Zumaia and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 10°C (49°F) is normal.
|Daytime temperature||17.8°C 64°F|
|Nightly temperature||9.6°C 49.3°F|
|Average temperature||13.7°C 56.7°F|
|Daily sunshine||5.8 hrs|
|Avg rainfall||101 mm 4 ins|
|Rainy days||17 days|
|Sea temperature||15.2°C 59.4°F|
|Windspeed||13.3kph 8 mph|
On average May is the 6th driest month of the year in Zumaia with around 101mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.8 hours of sunshine per day.
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 Zumaia in May 2023.
|Hottest month:||August||23.1°C 73.6°F|
|Driest month:||July||60mm 2.4ins|
|Coldest month:||January||10.5°C 50.9°F|
|Wettest month:||November||139mm 5.5ins|