Grantham Weather in December

What's the weather like in Grantham (England) in December 2024?

The climate in Grantham during December can be summarized as cool and reasonably dry.

December is in the winter in Grantham and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 7°C (44°F), whilst at night 1°C (34°F) is normal.

Grantham weather averages (imperial / metric)
Daytime temperature 6.7°C 44.1°F
Nightly temperature 1.1°C 34°F
Average temperature 3.9°C 39°F
Daily sunshine 1.9 hrs
Avg rainfall 54 mm 2.1 ins
Rainy days 16 days
Sea temperature 9.1°C 48.4°F
Humidity 92%
Windspeed 19.1kph 12 mph

On average December is the 4th wettest month of the year in Grantham with around 54mm 2.1 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 1.9 hours of sunshine per day.

December temperatures in Grantham

Grantham average temperature in December

December rainfall

Grantham average rain in December

December hourly sunshine

Grantham 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 Grantham in December 2024.

Other monthly averages

Best places to visit in December

UV index Best time to go?

Grantham weather stats

Grantham weather statistics
Hottest month: July 20.5°C 68.9°F
Driest month: February 41mm 1.6ins
Sunniest month: June 7.1hrs
Coldest month: January 5.8°C 42.4°F
Wettest month: August 62mm 2.4ins
Map showing location of Grantham (52.91149, -0.64184) Grantham map pin © Google

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