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December weather forecast in Dartmouth

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

	739 mmHg		87%
	7.1 m/s		+12

30 November, Sunday. day, 9°; night, 4°; overcast

1 December, mon

	739 mmHg		86%
	7.2 m/s		+12

1 December, Monday. day, 8°; night, 4°; partly cloudy

2 December, tue

	739 mmHg		85%
	6.8 m/s		+12

2 December, Tuesday. day, 8°; night, 4°; rain

3 December, wed

	738 mmHg		85%
	7.5 m/s		+12

3 December, Wednesday. day, 8°; night, 4°; rain

4 December, thu

	738 mmHg		85%
	7.3 m/s		+12

4 December, Thursday. day, 8°; night, 4°; partly cloudy

5 December, fri

	739 mmHg		85%
	7.5 m/s		+12

5 December, Friday. day, 8°; night, 4°; clear

6 December, sat

	741 mmHg		86%
	7.3 m/s		+12

6 December, Saturday. day, 8°; night, 4°; partly cloudy

7 December, sun

	738 mmHg		86%
	8.1 m/s		+12

7 December, Sunday. day, 8°; night, 4°; rain

8 December, mon

	739 mmHg		84%
	7.8 m/s		+12

8 December, Monday. day, 8°; night, 5°; clear

9 December, tue

	741 mmHg		84%
	7.3 m/s		+12

9 December, Tuesday. day, 8°; night, 4°; clear

10 December, wed

	742 mmHg		86%
	7.2 m/s		+12

10 December, Wednesday. day, 8°; night, 4°; clear

11 December, thu

	741 mmHg		88%
	6.6 m/s		+12

11 December, Thursday. day, 8°; night, 4°; partly cloudy

12 December, fri

	740 mmHg		87%
	8.1 m/s		+12

12 December, Friday. day, 8°; night, 4°; rain

13 December, sat

	740 mmHg		86%
	7.5 m/s		+11

13 December, Saturday. day, 8°; night, 5°; overcast

14 December, sun

	740 mmHg		84%
	7.1 m/s		+11

14 December, Sunday. day, 8°; night, 4°; partly cloudy

15 December, mon

	742 mmHg		86%
	7 m/s		+11

15 December, Monday. day, 8°; night, 4°; partly cloudy

16 December, tue

	742 mmHg		87%
	6.7 m/s		+11

16 December, Tuesday. day, 8°; night, 4°; overcast

17 December, wed

	742 mmHg		87%
	7 m/s		+11

17 December, Wednesday. day, 8°; night, 4°; overcast

18 December, thu

	740 mmHg		89%
	7.4 m/s		+11

18 December, Thursday. day, 8°; night, 5°; rain

19 December, fri

	740 mmHg		89%
	7 m/s		+11

19 December, Friday. day, 8°; night, 4°; rain

20 December, sat

	740 mmHg		88%
	6.7 m/s		+11

20 December, Saturday. day, 8°; night, 4°; rain

21 December, sun

	740 mmHg		90%
	7.3 m/s		+11

21 December, Sunday. day, 9°; night, 5°; overcast

22 December, mon

	740 mmHg		89%
	7.4 m/s		+11

22 December, Monday. day, 9°; night, 5°; overcast

23 December, tue

	740 mmHg		88%
	8 m/s		+11

23 December, Tuesday. day, 9°; night, 5°; rain

24 December, wed

	739 mmHg		87%
	7.8 m/s		+11

24 December, Wednesday. day, 9°; night, 5°; rain

25 December, thu

	739 mmHg		88%
	7.5 m/s		+11

25 December, Thursday. day, 8°; night, 4°; overcast

26 December, fri

	739 mmHg		86%
	7.9 m/s		+11

26 December, Friday. day, 8°; night, 4°; overcast

27 December, sat

	737 mmHg		86%
	8.1 m/s		+11

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

28 December, sun

	738 mmHg		85%
	7.5 m/s		+11

28 December, Sunday. day, 7°; night, 4°; partly cloudy

29 December, mon

	738 mmHg		87%
	7.7 m/s		+11

29 December, Monday. day, 8°; night, 4°; rain

30 December, tue

	738 mmHg		90%
	7.8 m/s		+11

30 December, Tuesday. day, 9°; night, 5°; rain

31 December, wed

	738 mmHg		88%
	8 m/s		+11

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

1 January, thu

	738 mmHg		86%
	8.39 m/s		+11

1 January, Thursday. day, 8°; night, 5°; rain

2 January, fri

	739 mmHg		85%
	8 m/s		+11

2 January, Friday. day, 7°; night, 4°; clear

3 January, sat

	739 mmHg		86%
	8.2 m/s		+11

3 January, Saturday. day, 8°; night, 4°; rain

Average data for 10 years

Dartmouth December

4

sunny days

13

days with precipitation

14

cloudy days

4 sunny days; 13 days with precipitation; 14 cloudy days;

87

%

air humidity

5.3

m/s

WindS

84

mm of precipitation

(10% of annual average)

+11

°C

Water temperature

air humidity 87%; 84 millimeters of precipitation (10% of annual average); Wind southerly 5.3 Meters per second; Water temperature +11°

Weather graphs for December

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

S

S

SW

SW

SW

S

S

SW

SW

SW

S

S

S

S

S

SW

S

S

S

S

SW

SW

SW

SW

SW

SW

S

SW

SW

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

London
Manchester
Brest
Liverpool
Trowbridge
Oxford
Le Havre
Bournemouth
Wicklow

Cities with similar weather in December

Gagra
Suhum
Baku
Pitsunda
Burgas
New Athos
The Sunny Beach
Podgorica
Vancouver

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

In December, the weather in Dartmouth is typically cold. Average daily high temperature in December is about 8 degrees above zero. On average, Dartmouth has 13 rainy, 7 cloudy, 7 partly cloudy, and 4 sunny days in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Dartmouth.

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