Isle of Wight Weather in August

The climate in Isle of Wight during August can be summarized as hot, humid and wet.

August is in the summer in Isle of Wight and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (87°F), whilst at night 20°C (67°F) is normal.

On average August is the 2nd wettest month of the year in Isle of Wight with around 122mm 4.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 10 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 Isle of Wight in August 2025.