Castellar del Vallès Weather in May

The climate in Castellar del Vallès during May can be summarized as mild and reasonably dry.

May is in the spring in Castellar del Vallès and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 11°C (51°F) is normal.

On average May is the 3rd wettest month of the year in Castellar del Vallès with around 65mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.9 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 Castellar del Vallès in May 2024.