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United Kingdom weather

Weather in Brighton for December 2025

Your guide to Brighton weather in December - trends and predictions

    Temperatures

  • So far, December 2025 in Brighton is slightly warmer than the historical average by 0.6 °C.

  • The forecast for the next days in Brighton predicts temperatures to be around 10 °C, close to the historical average.

  • In general, the average temperature in Brighton at the beginning of December is 10.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 9.6 °C by the end of December.

    • Rain 🌧️

  • Brighton experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 107.7 mm.

    • More

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

Average dry days
6
Dry days
Average rainy days
25
Rainy days
Average snowy days
0
Snow days
Average temperatures
10°/7°
Temperatures
Average wind speed
39 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Brighton Weather December

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

Temperatures trend during December in Brighton

See the weather trend as well as the moving average line

December weather in Brighton day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Patchy rain possible
Patchy rain possible
 10° /6° 5.2 mm 3
2 Dec. Sunny
Sunny
 9° /5° 3 mm 3
3 Dec. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 9° /6° 8.6 mm 2
4 Dec. Light rain shower
Light rain shower
 11° /6° 9.2 mm 3
5 Dec. Light rain shower
Light rain shower
 11° /7° 7.4 mm 3
6 Dec. Patchy rain possible
Patchy rain possible
 10° /6° 1.9 mm 3
7 Dec. Light rain shower
Light rain shower
 12° /7° 8.4 mm 3
8 Dec. Light rain shower
Light rain shower
 10° /8° 4.4 mm 3
9 Dec. Light rain shower
Light rain shower
 11° /9° 7.7 mm 3
10 Dec. Patchy rain possible
Patchy rain possible
 11° /8° 2.7 mm 3
11 Dec. Patchy rain possible
Patchy rain possible
 10° /8° 0.1 mm 3
12 Dec. Light rain shower
Light rain shower
 10° /8° 4.6 mm 3
13 Dec. Light drizzle
Light drizzle
 9° /6° 0.7 mm 2
14 Dec. Light rain shower
Light rain shower
 9° /6° 0.3 mm 3
15 Dec. Patchy rain possible
Patchy rain possible
 11° /10° 1.1 mm 0.1
16 Dec. Patchy rain possible
Patchy rain possible
 11° /9° 4 mm 0
17 Dec. Partly cloudy
Partly cloudy
 9° /6° 0 mm 0.1
18 Dec. Patchy rain possible
Patchy rain possible
 11° /9° 2.7 mm 0.1
19 Dec. Patchy rain possible
Patchy rain possible
 10° /6° 0.4 mm 0.1
20 Dec. Patchy rain possible
Patchy rain possible
 9° /7° 1.9 mm 2
21 Dec. Patchy rain possible
Patchy rain possible
 9° /8° 0.3 mm 2
22 Dec. Patchy rain possible
Patchy rain possible
 9° /8° 2.2 mm 2
23 Dec. Patchy rain possible
Patchy rain possible
 9° /8° 0.4 mm 2
24 Dec. Cloudy
Cloudy
 10° /9° 0 mm 2
25 Dec. Sunny
Sunny
 10° /8° 0 mm 3
26 Dec. Sunny
Sunny
 7° /5° 0 mm 3
27 Dec. Overcast
Overcast
 9° /6° 0 mm 2
28 Dec. Patchy rain possible
Patchy rain possible
 9° /7° 0.1 mm 2
29 Dec. Overcast
Overcast
 9° /7° 1 mm 3
30 Dec. Patchy rain possible
Patchy rain possible
 11° /8° 3.3 mm 3
31 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /9° 10 mm 3
Next
Important Notice
Our weather forecast for Brighton 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 Brighton forecast closer to your planned date for the most up-to-date weather information.
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Brighton in December - FAQ

What are the expected maximum and minimum temperatures in Brighton during December?
During December, expect a variety of temperatures with highs around 10° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Brighton during December?
Significant rainfall exceeding 107.7 mm is expected in Brighton during December, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Brighton during December?
The average wind speed in Brighton during December is 39 km/h, suggesting breezy to windy conditions, depending on your activities.

Brighton water temperatures in December

The average water temperature of the Atlantic Ocean near Brighton in December is 12 °C. Temperatures remain fairly consistent throughout the month.

What is the water temperature in Brighton in December?
The average water temperature in Brighton in December is 12 °C.
Can you swim in Brighton in December?
Dangerously cold water: hypothermia risk is high. Only experienced cold-water swimmers with proper gear should consider entering.

December rainfall patterns in Brighton

Explore the daily rainfall trends and prepare for Brightons December weather 💧
Typically, Brighton has 25 rainy days in December with a total of 107.7 mm of rainfall.

Quick links

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Get accurate weather forecasts for Brighton, located at latitude 50.828 and longitude -0.139. Stay updated with localized weather information tailored for Brighton.

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