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United Kingdom weather

Weather in Greater London for December 2026

Your guide to Greater London weather in December - trends and predictions

    Temperatures

  • In general, the average temperature in Greater London at the beginning of December is 8.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 9.4 °C by the end of December.

    • Rain 🌧️

  • The climate of Greater London in December is notably wet, with an average of 13 rainy days, and a total of 69.5 mm of precipitation.

    • More

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Average dry days
18
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
9°/5°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Greater London Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light drizzle
10°
2
Patchy rain possible
7°
3
Patchy rain possible
8°
4
Patchy rain possible
8°
5
Light drizzle
9°
6
Patchy rain possible
8°
7
Light rain
10°
8
Patchy rain possible
8°
9
Moderate rain at times
9°
10
Overcast
8°
11
Moderate rain at times
8°
12
Patchy rain possible
9°
13
Overcast
8°
14
Overcast
8°
15
Patchy rain possible
9°
16
Moderate rain at times
10°
17
Partly cloudy
9°
18
Overcast
11°
19
Moderate rain at times
11°
20
Patchy rain possible
10°
21
Light rain shower
11°
22
Moderate rain at times
10°
23
Overcast
10°
24
Overcast
9°
25
Partly cloudy
9°
26
Overcast
9°
27
Patchy rain possible
10°
28
Overcast
9°
29
Overcast
9°
30
Overcast
10°
31
Heavy rain at times
10°

Temperatures trend during December in Greater London

See the weather trend as well as the moving average line

December weather in Greater London day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Light drizzle
Light drizzle
 10° /4° 1.9 mm 0.2 cm
2 Dec. Patchy rain possible
Patchy rain possible
 7° /3° 0.4 mm 0 cm
3 Dec. Patchy rain possible
Patchy rain possible
 8° /2° 1.7 mm 0 cm
4 Dec. Patchy rain possible
Patchy rain possible
 8° /3° 3.7 mm 0 cm
5 Dec. Light drizzle
Light drizzle
 9° /4° 3.1 mm 0 cm
6 Dec. Patchy rain possible
Patchy rain possible
 8° /4° 1.7 mm 0 cm
7 Dec. Light rain
Light rain
 10° /3° 6.5 mm 0 cm
8 Dec. Patchy rain possible
Patchy rain possible
 8° /5° 1.1 mm 0 cm
9 Dec. Moderate rain at times
Moderate rain at times
 9° /5° 3.9 mm 0 cm
10 Dec. Overcast
Overcast
 8° /4° 2.4 mm 0 cm
11 Dec. Moderate rain at times
Moderate rain at times
 8° /4° 2.2 mm 0.2 cm
12 Dec. Patchy rain possible
Patchy rain possible
 9° /5° 1.5 mm 0 cm
13 Dec. Overcast
Overcast
 8° /4° 1.3 mm 0 cm
14 Dec. Overcast
Overcast
 8° /5° 1.1 mm 0 cm
15 Dec. Patchy rain possible
Patchy rain possible
 9° /5° 0 mm 0 cm
16 Dec. Moderate rain at times
Moderate rain at times
 10° /4° 1.2 mm 0 cm
17 Dec. Partly cloudy
Partly cloudy
 9° /4° 0.1 mm 0 cm
18 Dec. Overcast
Overcast
 11° /6° 4.9 mm 0 cm
19 Dec. Moderate rain at times
Moderate rain at times
 11° /6° 3.5 mm 0 cm
20 Dec. Patchy rain possible
Patchy rain possible
 10° /5° 1 mm 0 cm
21 Dec. Light rain shower
Light rain shower
 11° /5° 3.1 mm 0 cm
22 Dec. Moderate rain at times
Moderate rain at times
 10° /5° 1.2 mm 0 cm
23 Dec. Overcast
Overcast
 10° /5° 3.4 mm 0 cm
24 Dec. Overcast
Overcast
 9° /5° 2.6 mm 0 cm
25 Dec. Partly cloudy
Partly cloudy
 9° /5° 2 mm 0 cm
26 Dec. Overcast
Overcast
 9° /4° 2.2 mm 0 cm
27 Dec. Patchy rain possible
Patchy rain possible
 10° /4° 3.4 mm 0 cm
28 Dec. Overcast
Overcast
 9° /5° 1.7 mm 0 cm
29 Dec. Overcast
Overcast
 9° /4° 0.7 mm 0 cm
30 Dec. Overcast
Overcast
 10° /4° 2.5 mm 0 cm
31 Dec. Heavy rain at times
Heavy rain at times
 10° /5° 3.6 mm 0 cm
Next
Important Notice
Our weather forecast for Greater London in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Greater London forecast closer to your planned date for the most up-to-date weather information.
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Greater London in December - FAQ

What are the expected maximum and minimum temperatures in Greater London during December?
During December, expect a variety of temperatures with highs around 9° and lows near 5°, suitable for diverse activities and preferences.

How much rainfall should be expected in Greater London during December?
Moderate rainfall is anticipated in Greater London during December, with a total of 69.5 mm spread over approximately 13 days. Considering plans for rainy days is advisable.

Will it snow in Greater London in December 2026?
Greater London typically sees 0.4 cm of snowfall during December.

What are the typical wind conditions in Greater London during December?
The average wind speed in Greater London during December is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

Greater London snow forecast December 2026

Track daily snowfall levels and discover Greater London’s snowy potential this December ❄️

December rainfall patterns in Greater London

Explore the daily rainfall trends and prepare for Greater Londons December weather 💧
Typically, Greater London has 13 rainy days in December with a total of 69.5 mm of rainfall.
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ArchwayBexleyCarshaltonCroydonHarrowIlfordIslingtonLondonSouthallUxbridge
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Get accurate weather forecasts for Greater London, located at latitude 51.509 and longitude -0.126. Stay updated with localized weather information tailored for Greater London.

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