West Sussex is one of several regions in the United Kingdom, with temperatures that range from 9°C (48°F) in February to 21°C (70°F) during the peak of August. We've based our full climate overview on data from Chichester, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
West Sussex offers pleasant conditions in July, August and September, with temperatures typically ranging from 19°C (66°F) to 21°C (70°F).
The colder months are generally January and February.
Precipitation in West Sussex shows some seasonal variation. You'll find the most rain in November (103 mm (4.1 in)), while March tends to be drier (55 mm (2.2 in)).
