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Weather in Greater London for December 2025

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

    Snow Forecast ❄️

  • With an average of 2 snowy days, Greater London usually enjoys a light touch of snow in December.
    According to Greater London snow forecast for December 2025, no snow is expected until the end of the month.

    • Temperatures

  • So far, December 2025 in Greater London shows a warmer trend than usual by 2.2 °C.

  • The forecast for the next days in Greater London predicts temperatures to be around 6 °C, close to the historical average.

  • In general, the average temperature in Greater London at the beginning of December is 8.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 4.9 °C by the end of December.

    • Rain 🌧️

  • Greater London experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 72.3 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
5
Dry days
Average rainy days
24
Rainy days
Average snowy days
2
Snow days
Average temperatures
9°/5°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Greater London Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
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
Patchy rain possible
10°
20
Partly cloudy
9°
21
Patchy rain possible
11°
22
Patchy rain possible
8°
23
Overcast
6°
24
Patchy rain possible
7°
25
Cloudy
5°
26
Cloudy
4°
27
Partly cloudy
5°
28
Partly cloudy
5°
29
Sunny
5°
30
Overcast
5°
31
Partly cloudy
5°

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. Patchy rain possible
Patchy rain possible
 10° /6° 0.1 mm 0 cm
20 Dec. Partly cloudy
Partly cloudy
 9° /6° 0 mm 0 cm
21 Dec. Patchy rain possible
Patchy rain possible
 11° /8° 3.4 mm 0 cm
22 Dec. Patchy rain possible
Patchy rain possible
 8° /6° 0.5 mm 0 cm
23 Dec. Overcast
Overcast
 6° /4° 0 mm 0 cm
24 Dec. Patchy rain possible
Patchy rain possible
 7° /5° 0.4 mm 0 cm
25 Dec. Cloudy
Cloudy
 5° /3° 0 mm 0 cm
26 Dec. Cloudy
Cloudy
 4° /2° 0 mm 0 cm
27 Dec. Partly cloudy
Partly cloudy
 5° /3° 0 mm 0 cm
28 Dec. Partly cloudy
Partly cloudy
 5° /3° 0 mm 0 cm
29 Dec. Sunny
Sunny
 5° /2° 0 mm 0 cm
30 Dec. Overcast
Overcast
 5° /1° 0 mm 0 cm
31 Dec. Partly cloudy
Partly cloudy
 5° /1° 0 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 72.3 mm spread over approximately 24 days. Considering plans for rainy days is advisable.
Will it snow in Greater London in December 2025?
Greater London experiences an average snowfall of 0.525 cm during December, occurring over 2 days.
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 2025

Track daily snowfall levels and discover Greater London’s snowy potential this December ❄️
On average, Greater London sees 2 snowy days during December, with approximately 0.5 cm of total snowfall.

December rainfall patterns in Greater London

Explore the daily rainfall trends and prepare for Greater Londons December weather 💧
Typically, Greater London has 24 rainy days in December with a total of 72.3 mm of rainfall.
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ArchwayBexleyCarshaltonCroydonHarrowIlfordIslingtonLondonSouthallUxbridge
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Location coordinates Where is Greater London?

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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