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Weather in Weymouth for December 2025

Your guide to Weymouth weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Rain Warning - See hour by hour.

    • Temperatures

  • Until now, December 2025 in Weymouth has been nearly identical to the historical average, with a temperature of 11.5 °C (showing only a slight deviation of 0.5 °C).

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

  • In general, the average temperature in Weymouth at the beginning of December is 11.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 9.6 °C by the end of December.

    • Rain 🌧️

  • Weymouth experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 112 mm.

    • More

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

Average dry days
7
Dry days
Average rainy days
24
Rainy days
Average snowy days
0
Snow days
Average temperatures
10°/8°
Temperatures
Average wind speed
41 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Weymouth Weather December

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

Temperatures trend during December in Weymouth

See the weather trend as well as the moving average line

December weather in Weymouth day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Partly cloudy
Partly cloudy
 10° /7° 3.7 mm 3
2 Dec. Sunny
Sunny
 10° /5° 1.8 mm 3
3 Dec. Light rain shower
Light rain shower
 10° /7° 12.8 mm 3
4 Dec. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 11° /6° 9.6 mm 3
5 Dec. Patchy rain possible
Patchy rain possible
 12° /7° 7.1 mm 3
6 Dec. Patchy rain possible
Patchy rain possible
 12° /7° 3.1 mm 3
7 Dec. Moderate rain
Moderate rain
 13° /9° 11.6 mm 3
8 Dec. Light rain shower
Light rain shower
 11° /9° 2.8 mm 3
9 Dec. Light drizzle
Light drizzle
 12° /9° 7.3 mm 3
10 Dec. Patchy rain possible
Patchy rain possible
 11° /8° 2.3 mm 3
11 Dec. Partly cloudy
Partly cloudy
 10° /8° 0.4 mm 3
12 Dec. Light rain shower
Light rain shower
 11° /8° 3.8 mm 3
13 Dec. Light drizzle
Light drizzle
 10° /6° 1.7 mm 3
14 Dec. Patchy rain possible
Patchy rain possible
 10° /7° 0.5 mm 3
15 Dec. Patchy rain possible
Patchy rain possible
 12° /11° 4.5 mm 0.1
16 Dec. Moderate rain
Moderate rain
 11° /7° 12.6 mm 0.1
17 Dec. Partly cloudy
Partly cloudy
 11° /7° 0.1 mm 0.1
18 Dec. Patchy rain possible
Patchy rain possible
 12° /10° 2.5 mm 0
19 Dec. Patchy rain possible
Patchy rain possible
 11° /8° 0.2 mm 0.1
20 Dec. Patchy rain possible
Patchy rain possible
 8° /8° 0.3 mm 2
21 Dec. Moderate rain
Moderate rain
 9° /8° 5.9 mm 2
22 Dec. Patchy rain possible
Patchy rain possible
 10° /9° 0.9 mm 2
23 Dec. Patchy rain possible
Patchy rain possible
 10° /9° 2.2 mm 2
24 Dec. Moderate rain
Moderate rain
 10° /10° 6.6 mm 3
25 Dec. Partly cloudy
Partly cloudy
 11° /9° 0 mm 3
26 Dec. Sunny
Sunny
 9° /6° 0 mm 3
27 Dec. Overcast
Overcast
 8° /6° 0 mm 2
28 Dec. Patchy rain possible
Patchy rain possible
 8° /5° 0.2 mm 2
29 Dec. Light rain shower
Light rain shower
 10° /8° 1 mm 3
30 Dec. Light drizzle
Light drizzle
 11° /7° 7 mm 3
31 Dec. Light rain shower
Light rain shower
 10° /8° 8.9 mm 3
Next
Important Notice
Our weather forecast for Weymouth 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 Weymouth forecast closer to your planned date for the most up-to-date weather information.
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Weymouth in December - FAQ

What are the expected maximum and minimum temperatures in Weymouth during December?
During December, expect a variety of temperatures with highs around 10° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in Weymouth during December?
Significant rainfall exceeding 112 mm is expected in Weymouth during December, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Weymouth during December?
The average wind speed in Weymouth during December is 41 km/h, suggesting breezy to windy conditions, depending on your activities.

Weymouth water temperatures in December

The average water temperature of the Atlantic Ocean near Weymouth in December is 10.6 °C. Temperatures remain fairly consistent throughout the month.

What is the water temperature in Weymouth in December?
The average water temperature in Weymouth in December is 10.6 °C.
Can you swim in Weymouth in December?
Dangerously cold water: hypothermia risk is high. Only experienced cold-water swimmers with proper gear should consider entering.

December rainfall patterns in Weymouth

Explore the daily rainfall trends and prepare for Weymouths December weather 💧
Typically, Weymouth has 24 rainy days in December with a total of 112 mm of rainfall.

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Get accurate weather forecasts for Weymouth, located at latitude 50.614 and longitude -2.46. Stay updated with localized weather information tailored for Weymouth.

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