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December weather forecast in South Milwaukee

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

	740 mmHg		74%
	7.1 m/s		+6

30 November, Sunday. day, 5°; night, 1°; rain

1 December, mon

	741 mmHg		71%
	7.6 m/s		+6

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

2 December, tue

	742 mmHg		72%
	6.8 m/s		+6

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

3 December, wed

	743 mmHg		75%
	6.3 m/s		+6

3 December, Wednesday. day, 4°; night, 0°; rain

4 December, thu

	743 mmHg		75%
	6.4 m/s		+5

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

5 December, fri

	743 mmHg		74%
	7.3 m/s		+5

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

6 December, sat

	743 mmHg		72%
	6.9 m/s		+5

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

7 December, sun

	744 mmHg		71%
	6.3 m/s		+5

7 December, Sunday. day, 0°; night, -3°; clear

8 December, mon

	744 mmHg		72%
	6.4 m/s		+5

8 December, Monday. day, 1°; night, -3°; partly cloudy

9 December, tue

	742 mmHg		77%
	6.9 m/s		+5

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

10 December, wed

	742 mmHg		74%
	7.2 m/s		+5

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

11 December, thu

	743 mmHg		73%
	6.9 m/s		+5

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

12 December, fri

	744 mmHg		73%
	7.1 m/s		+4

12 December, Friday. day, 1°; night, -3°; clear

13 December, sat

	744 mmHg		75%
	6.3 m/s		+4

13 December, Saturday. day, 2°; night, -2°; overcast

14 December, sun

	743 mmHg		79%
	6.6 m/s		+4

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

15 December, mon

	742 mmHg		77%
	7 m/s		+4

15 December, Monday. day, 3°; night, -1°; rain

16 December, tue

	741 mmHg		75%
	6.8 m/s		+4

16 December, Tuesday. day, 2°; night, -1°; overcast

17 December, wed

	742 mmHg		73%
	6.1 m/s		+4

17 December, Wednesday. day, 0°; night, -2°; overcast

18 December, thu

	743 mmHg		73%
	6.4 m/s		+4

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

19 December, fri

	743 mmHg		72%
	6.9 m/s		+4

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

20 December, sat

	743 mmHg		72%
	6.7 m/s		+4

20 December, Saturday. day, 0°; night, -3°; overcast

21 December, sun

	742 mmHg		75%
	6.8 m/s		+4

21 December, Sunday. day, 0°; night, -3°; overcast

22 December, mon

	743 mmHg		77%
	6.8 m/s		+3

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

23 December, tue

	742 mmHg		76%
	7 m/s		+4

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

24 December, wed

	742 mmHg		76%
	6.8 m/s		+4

24 December, Wednesday. day, 0°; night, -4°; partly cloudy

25 December, thu

	743 mmHg		74%
	6.7 m/s		+4

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

26 December, fri

	744 mmHg		75%
	6.5 m/s		+3

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

27 December, sat

	743 mmHg		76%
	6.6 m/s		+4

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

28 December, sun

	741 mmHg		76%
	7 m/s		+4

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

29 December, mon

	741 mmHg		78%
	7 m/s		+4

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

30 December, tue

	741 mmHg		77%
	6.7 m/s		+4

30 December, Tuesday. day, 0°; night, -4°; overcast

31 December, wed

	741 mmHg		76%
	6.8 m/s		+4

31 December, Wednesday. day, 0°; night, -3°; snow

1 January, thu

	743 mmHg		74%
	7.1 m/s		+3

1 January, Thursday. day, 0°; night, -5°; partly cloudy

2 January, fri

	744 mmHg		76%
	7.2 m/s		+3

2 January, Friday. day, 0°; night, -4°; rain

3 January, sat

	743 mmHg		77%
	6.7 m/s		+3

3 January, Saturday. day, 0°; night, -4°; overcast

Average data for 10 years

South Milwaukee December

6

sunny days

10

days with precipitation

13

cloudy days

6 sunny days; 10 days with precipitation; 13 cloudy days;

75

%

air humidity

4.9

m/s

WindSW

62

mm of precipitation

(7% of annual average)

+4

°C

Water temperature

air humidity 75%; 62 millimeters of precipitation (7% of annual average); Wind south-westerly 4.9 Meters per second; Water temperature +4°

Weather graphs for December

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

SW

SW

SW

SW

SW

SW

W

SW

SW

SW

SW

SW

SW

SW

SW

SW

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

Chicago
Indianapolis
Michigan City
Wisconsin Dells
Appleton
Dixon
Ottawa
Iowa City
Gurnee

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 South Milwaukee is the windiest month of the year. In December, the weather in South Milwaukee is typically cold. Average daily high temperature in December is about 1 degree above zero. On average, South Milwaukee has 9 cloudy, 9 partly cloudy, 6 sunny, 4 rainy, and 3 snowy days in December. The rains are usually moderate. December as well as January, February, March, and April is considered the most uncomfortable time to visit South Milwaukee.

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