Sants-Montjuïc Weather in August

The climate in Sants-Montjuïc during August can be summarized as hot, humid and reasonably dry.

August is in the summer in Sants-Montjuïc 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 6th wettest month of the year in Sants-Montjuïc with around 51mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.2 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 Sants-Montjuïc in August 2025.