King's Lynn Weather in December

What's the weather like in King's Lynn (England) in December 2025?

The climate in King's Lynn during December can be summarized as cool and reasonably dry.

December is in the winter in King's Lynn and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 7°C (45°F), whilst at night 2°C (35°F) is normal.

King's Lynn weather averages (imperial / metric)
Daytime temperature 7°C 44.5°F
Nightly temperature 1.5°C 34.6°F
Average temperature 4.2°C 39.6°F
Daily sunshine 1.9 hrs
Avg rainfall 55 mm 2.2 ins
Rainy days 17 days
Sea temperature 9.4°C 49°F
Humidity 93%
Windspeed 18.7kph 12 mph

On average December is the 3rd wettest month of the year in King's Lynn with around 55mm 2.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 1.9 hours of sunshine per day.

December temperatures in King's Lynn

King's Lynn average temperature in December

December rainfall

King's Lynn average rain in December

December hourly sunshine

King's Lynn average rain in December

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 King's Lynn in December 2025.

Other monthly averages

Best places to visit in December

UV index Best time to go?

King's Lynn weather stats

King's Lynn weather statistics
Hottest month: August 20.7°C 69.3°F
Driest month: February 38mm 1.5ins
Sunniest month: May 6.8hrs
Coldest month: January 5.9°C 42.6°F
Wettest month: November 63mm 2.5ins
Map showing location of King's Lynn (52.75172, 0.39516) King's Lynn map pin © Google

Locations nearby

Top United Kingdom locations