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December weather forecast in Helena

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

	667 mmHg		80%
	5.9 m/s

30 November, Sunday. day, -1°; night, -4°; clear

1 December, mon

	665 mmHg		81%
	4.9 m/s

1 December, Monday. day, -1°; night, -6°; overcast

2 December, tue

	666 mmHg		80%
	5.5 m/s

2 December, Tuesday. day, -4°; night, -7°; snow

3 December, wed

	668 mmHg		76%
	5 m/s

3 December, Wednesday. day, -5°; night, -8°; overcast

4 December, thu

	670 mmHg		81%
	5.1 m/s

4 December, Thursday. day, -5°; night, -9°; snow

5 December, fri

	670 mmHg		81%
	5.6 m/s

5 December, Friday. day, -5°; night, -9°; overcast

6 December, sat

	669 mmHg		81%
	4.8 m/s

6 December, Saturday. day, -6°; night, -9°; snow

7 December, sun

	668 mmHg		79%
	5 m/s

7 December, Sunday. day, -5°; night, -8°; snow

8 December, mon

	668 mmHg		81%
	6.3 m/s

8 December, Monday. day, -5°; night, -8°; partly cloudy

9 December, tue

	667 mmHg		81%
	6.8 m/s

9 December, Tuesday. day, -4°; night, -6°; overcast

10 December, wed

	666 mmHg		80%
	5.8 m/s

10 December, Wednesday. day, -2°; night, -5°; clear

11 December, thu

	665 mmHg		83%
	5.5 m/s

11 December, Thursday. day, -2°; night, -5°; overcast

12 December, fri

	663 mmHg		88%
	4.9 m/s

12 December, Friday. day, -3°; night, -5°; snow

13 December, sat

	665 mmHg		87%
	6.1 m/s

13 December, Saturday. day, -4°; night, -9°; snow

14 December, sun

	666 mmHg		81%
	5.5 m/s

14 December, Sunday. day, -5°; night, -9°; overcast

15 December, mon

	667 mmHg		88%
	4.5 m/s

15 December, Monday. day, -6°; night, -10°; snow

16 December, tue

	666 mmHg		87%
	5.6 m/s

16 December, Tuesday. day, -6°; night, -9°; overcast

17 December, wed

	663 mmHg		87%
	6 m/s

17 December, Wednesday. day, -4°; night, -7°; snow

18 December, thu

	664 mmHg		88%
	5.5 m/s

18 December, Thursday. day, -5°; night, -8°; snow

19 December, fri

	663 mmHg		88%
	5.9 m/s

19 December, Friday. day, -5°; night, -8°; snow

20 December, sat

	664 mmHg		88%
	6 m/s

20 December, Saturday. day, -4°; night, -8°; overcast

21 December, sun

	666 mmHg		89%
	4.9 m/s

21 December, Sunday. day, -5°; night, -9°; clear

22 December, mon

	666 mmHg		88%
	5.5 m/s

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

23 December, tue

	666 mmHg		88%
	5.9 m/s

23 December, Tuesday. day, -6°; night, -9°; clear

24 December, wed

	667 mmHg		88%
	5 m/s

24 December, Wednesday. day, -7°; night, -11°; overcast

25 December, thu

	667 mmHg		87%
	5.3 m/s

25 December, Thursday. day, -7°; night, -9°; overcast

26 December, fri

	667 mmHg		88%
	6.3 m/s

26 December, Friday. day, -5°; night, -8°; overcast

27 December, sat

	665 mmHg		91%
	5.6 m/s

27 December, Saturday. day, -4°; night, -7°; overcast

28 December, sun

	666 mmHg		87%
	5.8 m/s

28 December, Sunday. day, -6°; night, -12°; overcast

29 December, mon

	667 mmHg		88%
	5.5 m/s

29 December, Monday. day, -6°; night, -10°; overcast

30 December, tue

	669 mmHg		86%
	5.6 m/s

30 December, Tuesday. day, -4°; night, -11°; partly cloudy

31 December, wed

	669 mmHg		86%
	5.6 m/s

31 December, Wednesday. day, -4°; night, -11°; partly cloudy

1 January, thu

	668 mmHg		87%
	6.3 m/s

1 January, Thursday. day, -5°; night, -9°; partly cloudy

2 January, fri

	668 mmHg		87%
	5.6 m/s

2 January, Friday. day, -4°; night, -8°; partly cloudy

3 January, sat

	669 mmHg		85%
	5.1 m/s

3 January, Saturday. day, -5°; night, -9°; clear

Average data for 10 years

Helena December

3

sunny days

10

days with precipitation

18

cloudy days

3 sunny days; 10 days with precipitation; 18 cloudy days;

86

%

air humidity

4.1

m/s

WindSW

41

mm of precipitation

(7% of annual average)

air humidity 86%; 41 millimeters of precipitation (7% of annual average); Wind south-westerly 4.1 Meters per second

Weather graphs for December

TemperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

W

W

W

SW

SW

W

SW

W

SW

SW

SW

W

W

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

W

W

W

W

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

West Yellowstone
Big Sky
Bozeman
Jackson
Billings
Idaho Falls
Brooks
Medicine Hat
Lethbridge

Cities with similar weather in December

Ust-Kamenogorsk
Uralsk
Cholpon-Ata
Atyrau
Baikonur
Ottawa
Nuuk
Balkhash
Gudauri

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

December in Helena is the snowiest and the most freezing month of the year. In December, the weather in Helena is typically freezing. Average daily high temperature in December is about 5 degrees below zero. On average, Helena has 15 cloudy, 10 snowy, 3 sunny, and 3 partly cloudy days in December. The snowfalls are usually light.

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