Saint Leonards-on-Sea Weather in December

The climate in Saint Leonards-on-Sea during December can be summarized as cool and reasonably dry.

December is in the winter in Saint Leonards-on-Sea and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 8°C (46°F), whilst at night 3°C (37°F) is normal.

On average December is the 4th wettest month of the year in Saint Leonards-on-Sea with around 77mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 2 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 Saint Leonards-on-Sea in December 2025.