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December weather forecast in Thomaston

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

30 November, sun

	763 mmHg		73%
	9.3 m/s		+9

30 November, Sunday. day, 5°; night, 4°; rain

1 December, mon

	761 mmHg		81%
	9.3 m/s		+9

1 December, Monday. day, 6°; night, 3°; rain

2 December, tue

	758 mmHg		81%
	9.3 m/s		+9

2 December, Tuesday. day, 7°; night, 5°; rain

3 December, wed

	763 mmHg		73%
	8.6 m/s		+9

3 December, Wednesday. day, 5°; night, 4°; partly cloudy

4 December, thu

	764 mmHg		80%
	8.3 m/s		+9

4 December, Thursday. day, 6°; night, 3°; rain

5 December, fri

	758 mmHg		80%
	8.8 m/s		+9

5 December, Friday. day, 6°; night, 5°; clear

6 December, sat

	761 mmHg		68%
	8 m/s		+9

6 December, Saturday. day, 3°; night, 2°; partly cloudy

7 December, sun

	762 mmHg		70%
	8.8 m/s		+9

7 December, Sunday. day, 1°; night, 0°; rain

8 December, mon

	761 mmHg		75%
	9.8 m/s		+8

8 December, Monday. day, 3°; night, 0°; rain

9 December, tue

	758 mmHg		75%
	10.1 m/s		+9

9 December, Tuesday. day, 4°; night, 1°; overcast

10 December, wed

	759 mmHg		75%
	9.1 m/s		+8

10 December, Wednesday. day, 3°; night, 2°; partly cloudy

11 December, thu

	762 mmHg		70%
	9 m/s		+8

11 December, Thursday. day, 3°; night, 0°; clear

12 December, fri

	756 mmHg		76%
	9.6 m/s		+9

12 December, Friday. day, 4°; night, 2°; rain

13 December, sat

	760 mmHg		72%
	8.3 m/s		+8

13 December, Saturday. day, 1°; night, 0°; partly cloudy

14 December, sun

	756 mmHg		77%
	9.5 m/s		+8

14 December, Sunday. day, 2°; night, 0°; partly cloudy

15 December, mon

	759 mmHg		69%
	9.6 m/s		+8

15 December, Monday. day, 1°; night, 0°; partly cloudy

16 December, tue

	763 mmHg		73%
	9.3 m/s		+8

16 December, Tuesday. day, -2°; night, -3°; partly cloudy

17 December, wed

	759 mmHg		79%
	8.1 m/s		+8

17 December, Wednesday. day, 0°; night, -4°; clear

18 December, thu

	757 mmHg		73%
	9.5 m/s		+8

18 December, Thursday. day, 3°; night, -2°; rain

19 December, fri

	760 mmHg		73%
	10.6 m/s		+8

19 December, Friday. day, -1°; night, 1°; clear

20 December, sat

	760 mmHg		81%
	9.5 m/s		+7

20 December, Saturday. day, 1°; night, -3°; clear

21 December, sun

	758 mmHg		82%
	9.6 m/s		+7

21 December, Sunday. day, 3°; night, 0°; rain

22 December, mon

	757 mmHg		85%
	9 m/s		+7

22 December, Monday. day, 2°; night, 0°; rain

23 December, tue

	763 mmHg		75%
	9.6 m/s		+7

23 December, Tuesday. day, 1°; night, 0°; partly cloudy

24 December, wed

	761 mmHg		77%
	9.6 m/s		+7

24 December, Wednesday. day, 2°; night, 0°; rain

25 December, thu

	764 mmHg		72%
	9.8 m/s		+7

25 December, Thursday. day, 2°; night, 1°; clear

26 December, fri

	762 mmHg		75%
	10 m/s		+7

26 December, Friday. day, 1°; night, -1°; rain

27 December, sat

	755 mmHg		79%
	11.6 m/s		+7

27 December, Saturday. day, 2°; night, 1°; rain

28 December, sun

	757 mmHg		73%
	10 m/s		+7

28 December, Sunday. day, 0°; night, -2°; snow

29 December, mon

	761 mmHg		72%
	9.3 m/s		+7

29 December, Monday. day, -2°; night, -5°; clear

30 December, tue

	757 mmHg		74%
	9 m/s		+7

30 December, Tuesday. day, 2°; night, -3°; rain

31 December, wed

	757 mmHg		74%
	9 m/s		+7

31 December, Wednesday. day, 2°; night, -3°; clear

1 January, thu

	758 mmHg		72%
	10.1 m/s		+7

1 January, Thursday. day, 1°; night, -3°; partly cloudy

2 January, fri

	757 mmHg		75%
	9.8 m/s		+7

2 January, Friday. day, -1°; night, -2°; clear

3 January, sat

	758 mmHg		73%
	11 m/s		+6

3 January, Saturday. day, -4°; night, -5°; partly cloudy

Average data for 10 years

Thomaston December

8

sunny days

14

days with precipitation

9

cloudy days

8 sunny days; 14 days with precipitation; 9 cloudy days;

75

%

air humidity

7

m/s

WindNW

121

mm of precipitation

(12% of annual average)

+8

°C

Water temperature

air humidity 75%; 121 millimeters of precipitation (12% of annual average); Wind north-westerly 7 Meters per second; Water temperature +8°

Weather graphs for December

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

NE

W

NW

SW

W

NW

NW

N

NW

W

NW

NW

NW

NW

NW

NW

N

W

N

NW

N

NW

NW

W

NW

NW

W

NW

NW

NW

NW

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Boston
Colchester
Quebec
Portland
Saint John
Nantucket
Bangor
Berlin
Claremont

Cities with similar weather in December

Helsinki
Riga
Tallinn
Stockholm
Reykyavik
Oslo
Yurmala
Toronto
Palanga

The weather forecast for December 2025 is based on historical data from the past 10 years.

In December, the weather in Thomaston is typically cold. Average daily high temperature in December is about 2 degrees above zero. On average, Thomaston has 13 rainy, 8 sunny, 8 partly cloudy, 1 snowy, and 1 cloudy day in December. The rains are usually heavy. December as well as March, April, and May is considered the most uncomfortable time to visit Thomaston.

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