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December weather forecast in Ellensburg

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

	664 mmHg		83%
	3 m/s

30 November, Sunday. day, 2°; night, -3°; snow

1 December, mon

	663 mmHg		82%
	3.2 m/s

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

2 December, tue

	663 mmHg		82%
	3.4 m/s

2 December, Tuesday. day, 1°; night, -3°; rain

3 December, wed

	666 mmHg		81%
	3.1 m/s

3 December, Wednesday. day, 1°; night, -3°; clear

4 December, thu

	666 mmHg		80%
	2.8 m/s

4 December, Thursday. day, 1°; night, -4°; clear

5 December, fri

	666 mmHg		81%
	2.8 m/s

5 December, Friday. day, 1°; night, -4°; clear

6 December, sat

	665 mmHg		80%
	2.8 m/s

6 December, Saturday. day, 1°; night, -4°; partly cloudy

7 December, sun

	665 mmHg		80%
	2.8 m/s

7 December, Sunday. day, 0°; night, -4°; overcast

8 December, mon

	665 mmHg		79%
	3 m/s

8 December, Monday. day, 0°; night, -4°; partly cloudy

9 December, tue

	666 mmHg		80%
	2.7 m/s

9 December, Tuesday. day, 0°; night, -4°; partly cloudy

10 December, wed

	665 mmHg		84%
	2.5 m/s

10 December, Wednesday. day, 1°; night, -4°; rain

11 December, thu

	664 mmHg		86%
	2.4 m/s

11 December, Thursday. day, 1°; night, -3°; rain

12 December, fri

	662 mmHg		83%
	2.7 m/s

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

13 December, sat

	662 mmHg		83%
	3 m/s

13 December, Saturday. day, 1°; night, -2°; rain

14 December, sun

	663 mmHg		82%
	3 m/s

14 December, Sunday. day, 1°; night, -3°; overcast

15 December, mon

	664 mmHg		81%
	3.4 m/s

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

16 December, tue

	665 mmHg		83%
	2.9 m/s

16 December, Tuesday. day, 1°; night, -3°; overcast

17 December, wed

	664 mmHg		83%
	3.2 m/s

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

18 December, thu

	664 mmHg		83%
	3 m/s

18 December, Thursday. day, 0°; night, -5°; partly cloudy

19 December, fri

	664 mmHg		83%
	2.9 m/s

19 December, Friday. day, 0°; night, -5°; snow

20 December, sat

	663 mmHg		85%
	2.8 m/s

20 December, Saturday. day, 0°; night, -4°; snow

21 December, sun

	663 mmHg		84%
	3 m/s

21 December, Sunday. day, 0°; night, -4°; rain

22 December, mon

	664 mmHg		84%
	2.6 m/s

22 December, Monday. day, 0°; night, -5°; partly cloudy

23 December, tue

	665 mmHg		85%
	2.8 m/s

23 December, Tuesday. day, 0°; night, -5°; overcast

24 December, wed

	665 mmHg		85%
	2.7 m/s

24 December, Wednesday. day, 0°; night, -5°; snow

25 December, thu

	665 mmHg		86%
	2.4 m/s

25 December, Thursday. day, 0°; night, -5°; snow

26 December, fri

	664 mmHg		84%
	2.6 m/s

26 December, Friday. day, 0°; night, -5°; snow

27 December, sat

	663 mmHg		84%
	2.9 m/s

27 December, Saturday. day, 0°; night, -5°; snow

28 December, sun

	664 mmHg		84%
	2.9 m/s

28 December, Sunday. day, 0°; night, -3°; rain

29 December, mon

	663 mmHg		85%
	2.8 m/s

29 December, Monday. day, 0°; night, -4°; rain

30 December, tue

	663 mmHg		83%
	3.1 m/s

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

31 December, wed

	663 mmHg		84%
	2.9 m/s

31 December, Wednesday. day, 0°; night, -4°; clear

1 January, thu

	664 mmHg		83%
	2.8 m/s

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

2 January, fri

	664 mmHg		83%
	2.6 m/s

2 January, Friday. day, 0°; night, -5°; overcast

3 January, sat

	663 mmHg		82%
	2.7 m/s

3 January, Saturday. day, 0°; night, -5°; snow

Average data for 10 years

Ellensburg December

4

sunny days

15

days with precipitation

14

cloudy days

4 sunny days; 15 days with precipitation; 14 cloudy days;

83

%

air humidity

1.7

m/s

WindS

110

mm of precipitation

(17% of annual average)

air humidity 83%; 110 millimeters of precipitation (17% of annual average); Wind southerly 1.7 Meters per second

Weather graphs for December

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

S

SW

S

S

S

S

S

S

S

S

S

S

S

S

SW

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

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

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31

Daytime temperature

Night-time temperature

Cities near you

Vancouver
Seattle
Moscow
Portland
Spokane
Tacoma
Victoria
Vernon
Mount Ranier National Park

Cities with similar weather in December

Yerevan
Riga
Brest
Karlovy Vary
Warsaw
Grodno
Yurmala
Comrat
Palanga

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

December in Ellensburg is the snowiest and the coldest month of the year. In December, the weather in Ellensburg is typically freezing. Average daily high temperature in December is about zero. On average, Ellensburg has 11 partly cloudy, 9 cloudy, 6 snowy, 4 sunny, and 1 rainy day in December. The snowfalls are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Ellensburg.

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