Caldes de Montbui Weather in August

The climate in Caldes de Montbui during August can be summarized as warm, humid and reasonably dry.

August is in the summer in Caldes de Montbui and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 19°C (66°F) is normal.

On average August is the 5th wettest month of the year in Caldes de Montbui with around 55mm 2.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 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 Caldes de Montbui in August 2025.