Southampton
December
Weather in Southampton for December 2025
Your guide to Southampton weather in December - trends and predictions
In general, the average temperature in Southampton at the beginning of December is 9.1 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 10.6 °C by the end of December.
Southampton experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 120.5 mm.
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Temperatures
Rain 🌧️
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10
Dry days
21
Rainy days
0
Snow days
10°/6°
Temperatures
32 km/h
Avg max wind
87 %
Avg humidity
Southampton in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  9° | 2  8° | 3 8° | 4  10° | 5  9° | 6 9° | 7  11° |
| 8 9° | 9 10° | 10 10° | 11  9° | 12 9° | 13 8° | 14 8° |
| 15  10° | 16 11° | 17  11° | 18 13° | 19 12° | 20 10° | 21 12° |
| 22  10° | 23 10° | 24 12° | 25  11° | 26 10° | 27 11° | 28 11° |
| 29  9° | 30 11° | 31 11° |
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Temperatures trend during December in Southampton
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Patchy rain possible | 9° /5° | 1.9 mm | 2 | |
| 2 Dec. | Sunny | 8° /3° | 0.5 mm | 3 | |
| 3 Dec. | Light rain shower | 8° /2° | 12.9 mm | 2 | |
| 4 Dec. | Moderate or heavy rain with thunder | 10° /5° | 8.9 mm | 3 | |
| 5 Dec. | Light drizzle | 9° /7° | 5 mm | 3 | |
| 6 Dec. | Patchy rain possible | 9° /3° | 0.3 mm | 3 | |
| 7 Dec. | Moderate rain | 11° /5° | 12.1 mm | 3 | |
| 8 Dec. | Patchy rain possible | 9° /6° | 1.9 mm | 2 | |
| 9 Dec. | Light rain shower | 10° /7° | 7.7 mm | 3 | |
| 10 Dec. | Light rain shower | 10° /6° | 3.4 mm | 3 | |
| 11 Dec. | Mist | 9° /5° | 0.1 mm | 3 | |
| 12 Dec. | Light rain shower | 9° /6° | 3.6 mm | 3 | |
| 13 Dec. | Light drizzle | 8° /4° | 0.9 mm | 2 | |
| 14 Dec. | Light drizzle | 8° /3° | 0.3 mm | 2 | |
| 15 Dec. | Partly cloudy | 10° /4° | 0.1 mm | 3 | |
| 16 Dec. | Patchy rain possible | 11° /7° | 0.1 mm | 3 | |
| 17 Dec. | Overcast | 11° /8° | 0.6 mm | 3 | |
| 18 Dec. | Patchy rain possible | 13° /10° | 4.8 mm | 3 | |
| 19 Dec. | Light rain | 12° /4° | 2 mm | 3 | |
| 20 Dec. | Patchy rain possible | 10° /4° | 1.2 mm | 3 | |
| 21 Dec. | Patchy rain possible | 12° /7° | 0.8 mm | 3 | |
| 22 Dec. | Heavy rain at times | 10° /6° | 2.4 mm | 3 | |
| 23 Dec. | Patchy rain possible | 10° /6° | 4.3 mm | 3 | |
| 24 Dec. | Patchy rain possible | 12° /8° | 0.7 mm | 3 | |
| 25 Dec. | Moderate rain at times | 11° /7° | 1.5 mm | 3 | |
| 26 Dec. | Overcast | 10° /5° | 1.5 mm | 3 | |
| 27 Dec. | Moderate rain at times | 11° /6° | 2.1 mm | 3 | |
| 28 Dec. | Heavy rain at times | 11° /7° | 3.5 mm | 3 | |
| 29 Dec. | Cloudy | 9° /5° | 0.4 mm | 2 | |
| 30 Dec. | Patchy rain possible | 11° /5° | 9 mm | 3 | |
| 31 Dec. | Moderate or heavy rain shower | 11° /8° | 10 mm | 3 | |
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Important Notice
Our weather forecast for Southampton 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 Southampton forecast closer to your planned date for the most up-to-date weather information.
Southampton in December - FAQ
What are the expected maximum and minimum temperatures in Southampton during December?
During December, expect a variety of temperatures with highs around 10° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Southampton during December?
Significant rainfall exceeding 120.5 mm is expected in Southampton during December, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Southampton during December?
The average wind speed in Southampton during December is 32 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Southampton
Explore the daily rainfall trends and prepare for Southamptons December weather 💧
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