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December weather forecast in Watertown

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

	751 mmHg		80%
	5.8 m/s		+7

30 November, Sunday. day, 5°; night, 0°; rain

1 December, mon

	749 mmHg		80%
	6.6 m/s		+7

1 December, Monday. day, 5°; night, 1°; rain

2 December, tue

	751 mmHg		80%
	6 m/s		+7

2 December, Tuesday. day, 3°; night, 0°; rain

3 December, wed

	751 mmHg		80%
	5.7 m/s		+7

3 December, Wednesday. day, 3°; night, 0°; partly cloudy

4 December, thu

	752 mmHg		79%
	5.6 m/s		+7

4 December, Thursday. day, 4°; night, 0°; partly cloudy

5 December, fri

	752 mmHg		79%
	5.4 m/s		+6

5 December, Friday. day, 3°; night, 0°; rain

6 December, sat

	751 mmHg		79%
	5.9 m/s		+6

6 December, Saturday. day, 2°; night, 0°; rain

7 December, sun

	751 mmHg		79%
	5.6 m/s		+6

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

8 December, mon

	753 mmHg		77%
	5 m/s		+6

8 December, Monday. day, 0°; night, -3°; partly cloudy

9 December, tue

	754 mmHg		78%
	5.3 m/s		+6

9 December, Tuesday. day, 1°; night, -3°; overcast

10 December, wed

	751 mmHg		79%
	6.1 m/s		+5

10 December, Wednesday. day, 3°; night, -1°; overcast

11 December, thu

	750 mmHg		81%
	5.8 m/s		+5

11 December, Thursday. day, 2°; night, -1°; rain

12 December, fri

	752 mmHg		80%
	6 m/s		+5

12 December, Friday. day, 2°; night, -1°; clear

13 December, sat

	754 mmHg		78%
	5.2 m/s		+5

13 December, Saturday. day, 1°; night, -2°; clear

14 December, sun

	754 mmHg		79%
	5.4 m/s		+5

14 December, Sunday. day, 1°; night, -3°; overcast

15 December, mon

	753 mmHg		79%
	5.8 m/s		+5

15 December, Monday. day, 2°; night, -2°; partly cloudy

16 December, tue

	752 mmHg		78%
	5.6 m/s		+4

16 December, Tuesday. day, 2°; night, -2°; rain

17 December, wed

	750 mmHg		81%
	5.6 m/s		+5

17 December, Wednesday. day, 2°; night, -1°; rain

18 December, thu

	751 mmHg		80%
	5 m/s		+5

18 December, Thursday. day, 1°; night, -3°; rain

19 December, fri

	752 mmHg		77%
	5.3 m/s		+4

19 December, Friday. day, 0°; night, -4°; partly cloudy

20 December, sat

	753 mmHg		78%
	5.2 m/s		+4

20 December, Saturday. day, 0°; night, -4°; snow

21 December, sun

	752 mmHg		78%
	5.4 m/s		+5

21 December, Sunday. day, 0°; night, -4°; snow

22 December, mon

	751 mmHg		80%
	5.5 m/s		+5

22 December, Monday. day, 0°; night, -3°; snow

23 December, tue

	752 mmHg		81%
	6 m/s		+4

23 December, Tuesday. day, 1°; night, -2°; rain

24 December, wed

	751 mmHg		81%
	5.9 m/s		+5

24 December, Wednesday. day, 1°; night, -2°; rain

25 December, thu

	752 mmHg		81%
	5.6 m/s		+4

25 December, Thursday. day, 0°; night, -3°; partly cloudy

26 December, fri

	753 mmHg		80%
	5.4 m/s		+4

26 December, Friday. day, 0°; night, -3°; overcast

27 December, sat

	752 mmHg		81%
	5.1 m/s		+4

27 December, Saturday. day, 0°; night, -3°; snow

28 December, sun

	751 mmHg		81%
	5.8 m/s		+4

28 December, Sunday. day, 1°; night, -3°; overcast

29 December, mon

	750 mmHg		81%
	5.3 m/s		+3

29 December, Monday. day, 1°; night, -2°; overcast

30 December, tue

	750 mmHg		81%
	5.5 m/s		+4

30 December, Tuesday. day, 0°; night, -3°; snow

31 December, wed

	750 mmHg		81%
	5.6 m/s		+4

31 December, Wednesday. day, 0°; night, -4°; snow

1 January, thu

	751 mmHg		80%
	5.7 m/s		+3

1 January, Thursday. day, 0°; night, -3°; rain

2 January, fri

	752 mmHg		78%
	5.7 m/s		+3

2 January, Friday. day, 0°; night, -5°; snow

3 January, sat

	751 mmHg		80%
	5.4 m/s		+3

3 January, Saturday. day, -1°; night, -5°; rain

Average data for 10 years

Watertown December

2

sunny days

17

days with precipitation

17

cloudy days

2 sunny days; 17 days with precipitation; 17 cloudy days;

80

%

air humidity

4

m/s

WindSW

110

mm of precipitation

(10% of annual average)

+5

°C

Water temperature

air humidity 80%; 110 millimeters of precipitation (10% of annual average); Wind south-westerly 4 Meters per second; Water temperature +5°

Weather graphs for December

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

SW

SW

SW

SW

SW

SW

SW

SW

S

S

SW

SW

SW

S

S

S

S

SW

SW

S

SW

SW

SW

S

S

S

SW

SW

S

SW

S

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

New York
Toronto
Ottawa
Montreal
Colchester
Jamaica
Brooklyn
Burlington
Weehawken

Cities with similar weather in December

Helsinki
Riga
Tallinn
Stockholm
Cholpon-Ata
Bellingshausen Station
Reykyavik
Oslo
Yurmala

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

December in Watertown is the cloudiest month of the year. In December, the weather in Watertown is typically cold. Average daily high temperature in December is about 1 degree above zero. On average, Watertown has 11 cloudy, 7 partly cloudy, 6 snowy, 5 rainy, and 2 sunny days in December. The snowfalls are usually heavy. December as well as March, April, October, and November is considered the most uncomfortable time to visit Watertown.

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