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December weather forecast in Eastham

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

	764 mmHg		71%
	11.8 m/s		+10

30 November, Sunday. day, 8°; night, 6°; overcast

1 December, mon

	760 mmHg		75%
	12.4 m/s		+10

1 December, Monday. day, 9°; night, 6°; rain

2 December, tue

	761 mmHg		70%
	12.3 m/s		+10

2 December, Tuesday. day, 8°; night, 6°; clear

3 December, wed

	761 mmHg		72%
	12 m/s		+10

3 December, Wednesday. day, 8°; night, 5°; rain

4 December, thu

	762 mmHg		71%
	10.9 m/s		+10

4 December, Thursday. day, 7°; night, 5°; clear

5 December, fri

	763 mmHg		71%
	10.4 m/s		+10

5 December, Friday. day, 7°; night, 5°; clear

6 December, sat

	762 mmHg		73%
	12.3 m/s		+9

6 December, Saturday. day, 7°; night, 4°; rain

7 December, sun

	761 mmHg		71%
	11.6 m/s		+9

7 December, Sunday. day, 7°; night, 4°; rain

8 December, mon

	763 mmHg		69%
	12 m/s		+9

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

9 December, tue

	765 mmHg		69%
	11.9 m/s		+9

9 December, Tuesday. day, 6°; night, 3°; overcast

10 December, wed

	763 mmHg		75%
	11.2 m/s		+9

10 December, Wednesday. day, 7°; night, 5°; overcast

11 December, thu

	762 mmHg		74%
	11.4 m/s		+9

11 December, Thursday. day, 7°; night, 5°; rain

12 December, fri

	762 mmHg		72%
	12.3 m/s		+9

12 December, Friday. day, 7°; night, 4°; rain

13 December, sat

	765 mmHg		70%
	10.8 m/s		+9

13 December, Saturday. day, 6°; night, 3°; clear

14 December, sun

	764 mmHg		73%
	11.2 m/s		+9

14 December, Sunday. day, 6°; night, 3°; overcast

15 December, mon

	763 mmHg		73%
	12 m/s		+9

15 December, Monday. day, 6°; night, 3°; partly cloudy

16 December, tue

	764 mmHg		72%
	12.5 m/s		+9

16 December, Tuesday. day, 6°; night, 3°; overcast

17 December, wed

	761 mmHg		76%
	12.4 m/s		+8

17 December, Wednesday. day, 7°; night, 4°; rain

18 December, thu

	760 mmHg		74%
	12.3 m/s		+8

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

19 December, fri

	762 mmHg		70%
	11.5 m/s		+8

19 December, Friday. day, 6°; night, 2°; partly cloudy

20 December, sat

	762 mmHg		72%
	12.1 m/s		+8

20 December, Saturday. day, 5°; night, 3°; overcast

21 December, sun

	762 mmHg		72%
	12.4 m/s		+8

21 December, Sunday. day, 6°; night, 2°; overcast

22 December, mon

	762 mmHg		73%
	11.7 m/s		+8

22 December, Monday. day, 6°; night, 3°; partly cloudy

23 December, tue

	764 mmHg		74%
	12 m/s		+8

23 December, Tuesday. day, 6°; night, 3°; clear

24 December, wed

	763 mmHg		74%
	11.6 m/s		+8

24 December, Wednesday. day, 7°; night, 3°; rain

25 December, thu

	762 mmHg		74%
	11.6 m/s		+8

25 December, Thursday. day, 6°; night, 3°; partly cloudy

26 December, fri

	763 mmHg		71%
	11.3 m/s		+8

26 December, Friday. day, 5°; night, 2°; partly cloudy

27 December, sat

	761 mmHg		74%
	12.1 m/s		+8

27 December, Saturday. day, 5°; night, 3°; rain

28 December, sun

	761 mmHg		73%
	11.7 m/s		+8

28 December, Sunday. day, 6°; night, 2°; partly cloudy

29 December, mon

	761 mmHg		74%
	11.6 m/s		+8

29 December, Monday. day, 6°; night, 3°; partly cloudy

30 December, tue

	760 mmHg		73%
	12.4 m/s		+8

30 December, Tuesday. day, 6°; night, 3°; rain

31 December, wed

	762 mmHg		73%
	11.4 m/s		+8

31 December, Wednesday. day, 5°; night, 2°; snow

1 January, thu

	762 mmHg		74%
	11.6 m/s		+7

1 January, Thursday. day, 4°; night, 2°; clear

2 January, fri

	762 mmHg		74%
	11.6 m/s		+7

2 January, Friday. day, 5°; night, 1°; rain

3 January, sat

	762 mmHg		74%
	12.3 m/s		+7

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

Average data for 10 years

Eastham December

5

sunny days

13

days with precipitation

13

cloudy days

5 sunny days; 13 days with precipitation; 13 cloudy days;

73

%

air humidity

8.6

m/s

WindSW

126

mm of precipitation

(11% of annual average)

+9

°C

Water temperature

air humidity 73%; 126 millimeters of precipitation (11% of annual average); Wind south-westerly 8.6 Meters per second; Water temperature +9°

Weather graphs for December

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

SW

SW

W

W

SW

SW

SW

W

SW

SW

SW

SW

SW

SW

SW

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

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
Islandia
Brookhaven
Portland
Berlin
Albany
Bangor
New Bedford
Saint Johnsbury

Cities with similar weather in December

New York
Varna
Aktau
Dublin
Copenhagen
The Golden Sands
Gdansk
Edinburgh
Bergen

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

In December, the weather in Eastham is typically cold. Average daily high temperature in December is about 6 degrees above zero. On average, Eastham has 11 rainy, 8 partly cloudy, 6 cloudy, 5 sunny, and 1 snowy day in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Eastham.

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