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Weather in London for December 2025

Your guide to London weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Weather Warning - See hour by hour.

    • Snow Forecast ❄️

  • The climate of London in December is quite snowy, averaging 14 snowy days.
    According to London snow forecast for December 2025, 6 snowy days are expected in the next 2 weeks. The closest date with snow is Sunday, 14 December.

    • Temperatures

  • Until now, December 2025 in London is cooler than usual, with temperatures averaging -1.2 °C, this is -2.6 °C below the typical seasonal average.

  • Expect cooler weather in the next days in London with the forecast suggesting a temperature of -1.1 °C, lower than the historical average.

  • In general, the average temperature in London at the beginning of December is 1 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 1.1 °C by the end of December.

    • More

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

Average dry days
8
Dry days
Average rainy days
9
Rainy days
Average snowy days
14
Snow days
Average temperatures
3°/-1°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
85 %
Avg humidity

London Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate rain
1°
2
Light rain
2°
3
Moderate snow
1°
4
Overcast
1°
5
Freezing fog
-0°
6
Patchy rain possible
-0°
7
Heavy snow
2°
8
Mist
1°
9
Light drizzle
5°
10
Moderate rain
4°
11
Moderate or heavy snow showers
-0°
12
Overcast
0°
13
Partly cloudy
-2°
14
Weather Alert Light freezing rain
-8°
15
Weather Alert Overcast
-6°
16
Overcast
-3°
17
Overcast
2°
18
Moderate or heavy snow showers
6°
19
Blowing snow
-4°
20
Heavy snow
5°
21
Light freezing rain
0°
22
Partly cloudy
-0°
23
Patchy rain possible
8°
24
Light snow
-6°
25
Moderate snow
-4°
26
Light snow
-2°
27
Partly cloudy
-4°
28
Patchy rain possible
5°
29
Light drizzle
7°
30
Partly cloudy
4°
31
Light snow
2°

Temperatures trend during December in London

See the weather trend as well as the moving average line

December weather in London day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Moderate rain
Moderate rain
 1° /-3° 3.6 mm 0 cm
2 Dec. Light rain
Light rain
 2° /-1° 4.1 mm 2.2 cm
3 Dec. Moderate snow
Moderate snow
 1° /-2° 11 mm 4.2 cm
4 Dec. Overcast
Overcast
 1° /-3° 8.5 mm 1 cm
5 Dec. Freezing fog
Freezing fog
 0° /-5° 6.6 mm 0.5 cm
6 Dec. Patchy rain possible
Patchy rain possible
 0° /-3° 4 mm 2.9 cm
7 Dec. Heavy snow
Heavy snow
 2° /-3° 7.4 mm 5.4 cm
8 Dec. Mist
Mist
 1° /-4° 0 mm 0 cm
9 Dec. Light drizzle
Light drizzle
 5° /-2° 21.5 mm 2.2 cm
10 Dec. Moderate rain
Moderate rain
 4° /-1° 15.3 mm 5.1 cm
11 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
 0° /-3° 1.6 mm 0.8 cm
12 Dec. Overcast
Overcast
 0° /-5° 0 mm 0 cm
13 Dec. Partly cloudy
Partly cloudy
 -2° /-7° 0 mm 0 cm
14 Dec. Light freezing rain
Light freezing rain
 -8° /-17° 9.3 mm 3.3 cm
15 Dec. Overcast
Overcast
 -6° /-8° 0 mm 0 cm
16 Dec. Overcast
Overcast
 -3° /-8° 0 mm 0 cm
17 Dec. Overcast
Overcast
 2° /-10° 0 mm 0 cm
18 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
 6° /-11° 2.6 mm 0 cm
19 Dec. Blowing snow
Blowing snow
 -4° /-6° 0.5 mm 0 cm
20 Dec. Heavy snow
Heavy snow
 5° /-5° 9.1 mm 0.7 cm
21 Dec. Light freezing rain
Light freezing rain
 0° /-4° 0.3 mm 0 cm
22 Dec. Partly cloudy
Partly cloudy
 0° /-5° 0 mm 0 cm
23 Dec. Patchy rain possible
Patchy rain possible
 8° /-4° 1.3 mm 0 cm
24 Dec. Light snow
Light snow
 -6° /-7° 0 mm 0 cm
25 Dec. Moderate snow
Moderate snow
 -4° /-6° 1.4 mm 1 cm
26 Dec. Light snow
Light snow
 -2° /-4° 1 mm 0.7 cm
27 Dec. Partly cloudy
Partly cloudy
 -4° /-8° 0 mm 0 cm
28 Dec. Patchy rain possible
Patchy rain possible
 5° /2° 1.9 mm 0 cm
29 Dec. Light drizzle
Light drizzle
 7° /3° 31 mm 0 cm
30 Dec. Partly cloudy
Partly cloudy
 4° /0° 4.4 mm 1.1 cm
31 Dec. Light snow
Light snow
 2° /0° 2.7 mm 2 cm
Next
Important Notice
Our weather forecast for 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 London forecast closer to your planned date for the most up-to-date weather information.
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London in December - FAQ

What are the expected maximum and minimum temperatures in London during December?
Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in London during December?
Significant rainfall exceeding 172.3 mm is expected in London during December, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
Will it snow in London in December 2025?
London experiences an average snowfall of 36.935 cm during December, occurring over 14 days.
What are the typical wind conditions in London during December?
The average wind speed in London during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

London snow forecast December 2025

Track daily snowfall levels and discover London’s snowy potential this December ❄️
On average, London sees 14 snowy days during December, with approximately 36.9 cm of total snowfall.

December rainfall patterns in London

Explore the daily rainfall trends and prepare for Londons December weather 💧
Typically, London has 9 rainy days in December with a total of 172.3 mm of rainfall.

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Get accurate weather forecasts for London, located at latitude 42.983 and longitude -81.233. Stay updated with localized weather information tailored for London.

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