When planning a visit to East Sussex in the United Kingdom, it helps to know that temperatures typically range from 9°C (48°F) in February up to 20°C (68°F) during the peak of August. Our detailed climate overview is based on data from Brighton & Hove, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The weather in East Sussex during July and August is comfortably warm, with average temperatures ranging from 20°C (68°F) to 20°C (68°F).
The colder period typically falls in the months of January and February.
When it comes to rainfall, East Sussex sees significant variations throughout the year. November tends to be the wettest, receiving 115 mm (4.5 in) of rain, while May is much drier with just 53 mm (2.1 in).
