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December weather forecast in South Portland

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

1 December, sun

	761 mmHg		79%
	6.3 m/s		+9

1 December, Sunday. day, 4°; night, 3°; overcast

2 December, mon

	758 mmHg		79%
	6.1 m/s		+9

2 December, Monday. day, 7°; night, 3°; rain

3 December, tue

	762 mmHg		69%
	5.4 m/s		+9

3 December, Tuesday. day, 6°; night, 4°; partly cloudy

4 December, wed

	763 mmHg		80%
	5.6 m/s		+9

4 December, Wednesday. day, 5°; night, 2°; overcast

5 December, thu

	758 mmHg		76%
	6 m/s		+8

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

6 December, fri

	760 mmHg		67%
	5 m/s		+8

6 December, Friday. day, 3°; night, 1°; partly cloudy

7 December, sat

	761 mmHg		69%
	5.5 m/s		+8

7 December, Saturday. day, 0°; night, -1°; snow

8 December, sun

	760 mmHg		75%
	6.9 m/s		+8

8 December, Sunday. day, 2°; night, -1°; rain

9 December, mon

	758 mmHg		75%
	7.4 m/s		+8

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

10 December, tue

	759 mmHg		75%
	6.5 m/s		+8

10 December, Tuesday. day, 2°; night, 1°; clear

11 December, wed

	761 mmHg		73%
	6 m/s		+8

11 December, Wednesday. day, 2°; night, -1°; clear

12 December, thu

	755 mmHg		76%
	6.8 m/s		+8

12 December, Thursday. day, 2°; night, 1°; rain

13 December, fri

	760 mmHg		72%
	5 m/s		+8

13 December, Friday. day, 0°; night, 0°; partly cloudy

14 December, sat

	756 mmHg		76%
	6.8 m/s		+8

14 December, Saturday. day, 2°; night, -1°; partly cloudy

15 December, sun

	759 mmHg		68%
	6.4 m/s		+8

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

16 December, mon

	762 mmHg		73%
	7 m/s		+7

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

17 December, tue

	759 mmHg		77%
	5.8 m/s		+7

17 December, Tuesday. day, -1°; night, -5°; snow

18 December, wed

	756 mmHg		74%
	6.5 m/s		+7

18 December, Wednesday. day, 3°; night, -3°; rain

19 December, thu

	760 mmHg		70%
	7.4 m/s		+7

19 December, Thursday. day, -1°; night, 0°; clear

20 December, fri

	760 mmHg		77%
	6.4 m/s		+7

20 December, Friday. day, 0°; night, -3°; clear

21 December, sat

	757 mmHg		82%
	7.5 m/s		+7

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

22 December, sun

	757 mmHg		85%
	6.5 m/s		+7

22 December, Sunday. day, 1°; night, -1°; rain

23 December, mon

	762 mmHg		74%
	6.4 m/s		+7

23 December, Monday. day, 1°; night, -1°; clear

24 December, tue

	761 mmHg		75%
	6.1 m/s		+7

24 December, Tuesday. day, 1°; night, -1°; rain

25 December, wed

	764 mmHg		75%
	6.5 m/s		+7

25 December, Wednesday. day, 1°; night, 0°; clear

26 December, thu

	761 mmHg		77%
	7.8 m/s		+7

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

27 December, fri

	755 mmHg		76%
	8.8 m/s		+7

27 December, Friday. day, 1°; night, 0°; rain

28 December, sat

	757 mmHg		74%
	7 m/s		+7

28 December, Saturday. day, -1°; night, -2°; partly cloudy

29 December, sun

	760 mmHg		74%
	5.6 m/s		+7

29 December, Sunday. day, -2°; night, -5°; partly cloudy

30 December, mon

	757 mmHg		75%
	6.6 m/s		+7

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

31 December, tue

	757 mmHg		75%
	6.6 m/s		+7

31 December, Tuesday. day, 1°; night, -5°; clear

1 January, wed

	758 mmHg		74%
	7.4 m/s		+6

1 January, Wednesday. day, 0°; night, -4°; clear

2 January, thu

	757 mmHg		75%
	7 m/s		+6

2 January, Thursday. day, -2°; night, -3°; partly cloudy

3 January, fri

	758 mmHg		74%
	8.3 m/s		+6

3 January, Friday. day, -4°; night, -6°; snow

4 January, sat

	756 mmHg		74%
	7.5 m/s		+6

4 January, Saturday. day, -2°; night, -6°; partly cloudy

Average data for 10 years

South Portland December

9

sunny days

11

days with precipitation

11

cloudy days

9 sunny days; 11 days with precipitation; 11 cloudy days;

75

%

air humidity

4.6

m/s

WindNW

100

mm of precipitation

(11% of annual average)

+8

°C

Water temperature

air humidity 75%; 100 millimeters of precipitation (11% of annual average); Wind north-westerly 4.6 Meters per second; Water temperature +8°

Weather graphs for December

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

N

W

W

W

W

NW

NW

N

W

W

NW

W

NW

W

W

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
Montreal
Quebec
Nantucket
Anjou
New Haven
Concord
Portland
Wells

Cities with similar weather in December

Helsinki
Riga
Tallinn
Stockholm
Oslo
Yurmala
Toronto
Aktau
Palanga

The weather forecast for December 2024 is based on historical data from the past 10 years.

In December, the weather in South Portland is typically cold. Average daily high temperature in December is about 2 degrees above zero. On average, South Portland has 9 rainy, 9 sunny, 9 partly cloudy, 2 snowy, and 2 cloudy days in December. The rains are usually heavy. December as well as February, March, and April is considered the most uncomfortable time to visit South Portland.

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