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Weather in Boston for December 2026

Your guide to Boston weather in December - trends and predictions

    Rain 🌧️

  • The climate of Boston in December is notably wet, with an average of 11 rainy days, and a total of 65.9 mm of precipitation.

    • More

  • Is December a good time to visit Boston? check out the best time to travel to Boston page.

  • ✨ Is December a good time to visit Boston? – Ask the AI Weatherman

Average dry days
20
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
9°/5°
Temperatures
Average wind speed
29 km/h
Avg max wind
Average humidity
85 %
Avg humidity

Boston Weather December

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

Temperatures trend during December in Boston

See the weather trend as well as the moving average line

December weather in Boston day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Light rain
Light rain
 12° /8° 3.1 mm 0.5
2 Dec. Patchy rain possible
Patchy rain possible
 10° /5° 0.6 mm 0.5
3 Dec. Overcast
Overcast
 7° /2° 0.2 mm 0.5
4 Dec. Patchy rain possible
Patchy rain possible
 8° /2° 2.2 mm 0.4
5 Dec. Moderate rain
Moderate rain
 12° /5° 10.9 mm 0.4
6 Dec. Light rain
Light rain
 9° /6° 7.1 mm 0.4
7 Dec. Light rain
Light rain
 13° /7° 4.7 mm 0.4
8 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /7° 6.7 mm 0.4
9 Dec. Light rain
Light rain
 10° /8° 5.2 mm 0.4
10 Dec. Overcast
Overcast
 9° /7° 0.1 mm 0.4
11 Dec. Patchy rain possible
Patchy rain possible
 8° /5° 0.1 mm 0.4
12 Dec. Patchy rain possible
Patchy rain possible
 9° /6° 1.5 mm 0.4
13 Dec. Patchy rain possible
Patchy rain possible
 7° /5° 0.1 mm 0.4
14 Dec. Overcast
Overcast
 8° /5° 0.3 mm 0.4
15 Dec. Overcast
Overcast
 11° /7° 0 mm 0.4
16 Dec. Light rain
Light rain
 11° /6° 3 mm 0.4
17 Dec. Overcast
Overcast
 9° /4° 0.6 mm 0.4
18 Dec. Moderate rain
Moderate rain
 12° /8° 13.7 mm 0.4
19 Dec. Patchy rain possible
Patchy rain possible
 8° /3° 2.2 mm 0.4
20 Dec. Patchy rain possible
Patchy rain possible
 7° /3° 0.2 mm 0.4
21 Dec. Patchy rain possible
Patchy rain possible
 10° /5° 2.3 mm 0.4
22 Dec. Patchy rain possible
Patchy rain possible
 7° /4° 0.8 mm 0.4
23 Dec. Patchy rain possible
Patchy rain possible
 6° /4° 0.1 mm 0.4
24 Dec. Overcast
Overcast
 9° /5° 0 mm 0.4
25 Dec. Sunny
Sunny
 8° /6° 0 mm 0.4
26 Dec. Sunny
Sunny
 8° /5° 0 mm 0.4
27 Dec. Partly cloudy
Partly cloudy
 7° /4° 0 mm 0.4
28 Dec. Cloudy
Cloudy
 7° /4° 0.1 mm 0.4
29 Dec. Partly cloudy
Partly cloudy
 8° /5° 0 mm 0.4
30 Dec. Partly cloudy
Partly cloudy
 7° /3° 0 mm 0.4
31 Dec. Patchy rain possible
Patchy rain possible
 8° /4° 0.3 mm 0.4
Next
Important Notice
Our weather forecast for Boston 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 Boston forecast closer to your planned date for the most up-to-date weather information.
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Boston in December - FAQ

What are the expected maximum and minimum temperatures in Boston during December?
During December, expect a variety of temperatures with highs around 9° and lows near 5°, suitable for diverse activities and preferences.

How much rainfall should be expected in Boston during December?
Moderate rainfall is anticipated in Boston during December, with a total of 65.9 mm spread over approximately 11 days. Considering plans for rainy days is advisable.

Will it snow in Boston in December 2026?
Boston typically sees 0 cm of snowfall during December.

What are the typical wind conditions in Boston during December?
The average wind speed in Boston during December is 29 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Boston

Explore the daily rainfall trends and prepare for Bostons December weather 💧
Typically, Boston has 11 rainy days in December with a total of 65.9 mm of rainfall.
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Get accurate weather forecasts for Boston, located at latitude 52.976 and longitude -0.027. Stay updated with localized weather information tailored for Boston.

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