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Weather in Dorchester for December 2025

Your guide to Dorchester weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Rain Warning - See hour by hour.

    • Temperatures

  • Until now, December 2025 in Dorchester has been nearly identical to the historical average, with a temperature of 11.6 °C (showing only a slight deviation of 0.4 °C).

  • Expect cooler weather in the next days in Dorchester with the forecast suggesting a temperature of 7.9 °C, lower than the historical average.

  • In general, the average temperature in Dorchester at the beginning of December is 11.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.6 °C by the end of December.

    • Rain 🌧️

  • The climate of Dorchester in December is notably wet, with an average of 15 rainy days, and a total of 52.7 mm of precipitation.

    • More

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

Average dry days
16
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
10°/8°
Temperatures
Average wind speed
36 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Dorchester Weather December

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

Temperatures trend during December in Dorchester

See the weather trend as well as the moving average line

December weather in Dorchester day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Heavy rain at times
Heavy rain at times
 13° /11° 6.2 mm 3
2 Dec. Overcast
Overcast
 11° /7° 2.1 mm 3
3 Dec. Patchy rain possible
Patchy rain possible
 10° /7° 2.4 mm 3
4 Dec. Patchy rain possible
Patchy rain possible
 11° /7° 3.6 mm 3
5 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /9° 14.9 mm 3
6 Dec. Patchy rain possible
Patchy rain possible
 12° /8° 3.7 mm 3
7 Dec. Patchy rain possible
Patchy rain possible
 13° /9° 4.6 mm 3
8 Dec. Overcast
Overcast
 11° /8° 2.7 mm 3
9 Dec. Overcast
Overcast
 11° /9° 3.3 mm 3
10 Dec. Overcast
Overcast
 10° /8° 0.6 mm 3
11 Dec. Patchy rain possible
Patchy rain possible
 9° /7° 0.3 mm 3
12 Dec. Patchy rain possible
Patchy rain possible
 10° /7° 1.7 mm 3
13 Dec. Patchy rain possible
Patchy rain possible
 9° /7° 0.2 mm 3
14 Dec. Patchy rain possible
Patchy rain possible
 10° /9° 0.1 mm 0.1
15 Dec. Patchy rain possible
Patchy rain possible
 11° /10° 1.4 mm 0.1
16 Dec. Overcast
Overcast
 9° /4° 0.1 mm 0
17 Dec. Sunny
Sunny
 9° /4° 0 mm 0.1
18 Dec. Patchy rain possible
Patchy rain possible
 11° /8° 1.9 mm 0.1
19 Dec. Partly cloudy
Partly cloudy
 9° /6° 0.1 mm 3
20 Dec. Sunny
Sunny
 7° /4° 0 mm 2
21 Dec. Patchy rain possible
Patchy rain possible
 5° /4° 4.2 mm 1
22 Dec. Partly cloudy
Partly cloudy
 6° /3° 0.1 mm 2
23 Dec. Sunny
Sunny
 7° /3° 0 mm 2
24 Dec. Sunny
Sunny
 7° /3° 0 mm 2
25 Dec. Patchy rain possible
Patchy rain possible
 10° /6° 0.1 mm 2
26 Dec. Sunny
Sunny
 5° /1° 0 mm 2
27 Dec. Sunny
Sunny
 5° /1° 0 mm 2
28 Dec. Overcast
Overcast
 9° /7° 0 mm 2
29 Dec. Partly cloudy
Partly cloudy
 10° /8° 0 mm 3
30 Dec. Overcast
Overcast
 10° /8° 0 mm 3
31 Dec. Patchy rain possible
Patchy rain possible
 11° /9° 0.7 mm 3
Next
Important Notice
Our weather forecast for Dorchester 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 Dorchester forecast closer to your planned date for the most up-to-date weather information.
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Dorchester in December - FAQ

What are the expected maximum and minimum temperatures in Dorchester 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 Dorchester during December?
Moderate rainfall is anticipated in Dorchester during December, with a total of 52.7 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Dorchester during December?
The average wind speed in Dorchester during December is 36 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Dorchester

Explore the daily rainfall trends and prepare for Dorchesters December weather 💧
Typically, Dorchester has 15 rainy days in December with a total of 52.7 mm of rainfall.

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Get accurate weather forecasts for Dorchester, located at latitude 50.717 and longitude -2.433. Stay updated with localized weather information tailored for Dorchester.

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