Littlehampton has a mild maritime climate, moderated by the English Channel, with cool, breezy summers and mild winters. Sitting right on the coast at the mouth of the Arun, it rarely sees the temperature extremes of inland West Sussex, and sea breezes keep the worst of the summer heat down.

Littlehampton weather at a glance

These are long-term averages, so it's always worth checking a current forecast before you travel, particularly if you're planning a day on the beach, a boat trip or a coastal cycle ride.

Common questions

What is the weather like in Littlehampton?
Littlehampton has a mild maritime climate moderated by the English Channel, with cool, breezy summers, mild winters and rainfall spread fairly evenly through the year. The average temperature is around 11°C, ranging from about 4°C in January to about 20°C in August.

What is the wettest month in Littlehampton?
November is typically the wettest month, with roughly 109 mm of rain, while May is typically the driest, with roughly 53 mm. Littlehampton receives around 900 mm of rain in a typical year.

When is the best time to visit Littlehampton?
July and August are usually the warmest and most comfortable months for the beach, with average temperatures around 20°C in August. Late spring and early autumn are also popular for quieter walks along the seafront.

How sunny is Littlehampton?
Littlehampton gets around 1,700 hours of sunshine a year on average, with the most sun in summer and the least in December and January.

See also our pages on parks, cycling and parkrun for ways to make the most of the weather.