Sussex Weather in July

The climate in Sussex during July can be summarized as hot, humid and wet.

July is in the summer in Sussex and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 19°C (67°F) is normal.

On average July is the wettest month of the year in Sussex with around 123mm 4.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 10 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 Sussex in July 2024.