When planning a visit to South Downs National Park in the United Kingdom, it helps to know that temperatures typically range from 9°C (48°F) in February up to 21°C (70°F) during the peak of August. Our detailed climate overview is based on data from Arundel, 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.
South Downs National Park offers pleasant conditions in July, August and September, with temperatures typically ranging from 19°C (66°F) to 21°C (70°F).
The cooler season is during the months of January and February.
When it comes to rainfall, South Downs National Park experiences moderate variations in precipitation across the seasons. You can expect around 101 mm (4 in) of rain in November, dropping to 53 mm (2.1 in) in March.