Sussex Weather in June

The climate in Sussex during June can be summarized as hot, humid and a little damp.

June is in the summer in Sussex and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 17°C (62°F) is normal.

On average June is the 6th driest month of the year in Sussex with around 92mm 3.6 inches of rain making it a a little damp 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 10.5 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 June 2025.