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December weather forecast in Mount Ranier National Park

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

	643 mmHg		86%
	3.1 m/s

30 November, Sunday. day, 3°; night, -1°; snow

1 December, mon

	643 mmHg		85%
	3.3 m/s

1 December, Monday. day, 2°; night, -1°; rain

2 December, tue

	643 mmHg		86%
	3.5 m/s

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

3 December, wed

	644 mmHg		83%
	3.2 m/s

3 December, Wednesday. day, 2°; night, -2°; clear

4 December, thu

	645 mmHg		81%
	3.4 m/s

4 December, Thursday. day, 2°; night, -2°; clear

5 December, fri

	644 mmHg		83%
	3.1 m/s

5 December, Friday. day, 2°; night, -3°; clear

6 December, sat

	643 mmHg		80%
	3.2 m/s

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

7 December, sun

	643 mmHg		80%
	3.3 m/s

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

8 December, mon

	644 mmHg		79%
	3.3 m/s

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

9 December, tue

	644 mmHg		81%
	3 m/s

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

10 December, wed

	643 mmHg		84%
	3.2 m/s

10 December, Wednesday. day, 2°; night, -2°; rain

11 December, thu

	642 mmHg		84%
	3.1 m/s

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

12 December, fri

	641 mmHg		81%
	3.5 m/s

12 December, Friday. day, 2°; night, -1°; rain

13 December, sat

	641 mmHg		85%
	3.5 m/s

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

14 December, sun

	642 mmHg		84%
	3.4 m/s

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

15 December, mon

	643 mmHg		83%
	3.6 m/s

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

16 December, tue

	644 mmHg		83%
	3.2 m/s

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

17 December, wed

	643 mmHg		82%
	3.5 m/s

17 December, Wednesday. day, 2°; night, -2°; partly cloudy

18 December, thu

	643 mmHg		83%
	3.8 m/s

18 December, Thursday. day, 2°; night, -2°; rain

19 December, fri

	643 mmHg		84%
	3.4 m/s

19 December, Friday. day, 1°; night, -2°; rain

20 December, sat

	642 mmHg		86%
	3.5 m/s

20 December, Saturday. day, 1°; night, -1°; rain

21 December, sun

	642 mmHg		86%
	3.4 m/s

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

22 December, mon

	643 mmHg		84%
	3.2 m/s

22 December, Monday. day, 1°; night, -3°; snow

23 December, tue

	644 mmHg		84%
	3.2 m/s

23 December, Tuesday. day, 1°; night, -3°; snow

24 December, wed

	644 mmHg		84%
	3.3 m/s

24 December, Wednesday. day, 1°; night, -3°; snow

25 December, thu

	643 mmHg		83%
	3.1 m/s

25 December, Thursday. day, 1°; night, -2°; snow

26 December, fri

	642 mmHg		85%
	3.4 m/s

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

27 December, sat

	642 mmHg		85%
	3.5 m/s

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

28 December, sun

	643 mmHg		88%
	3.4 m/s

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

29 December, mon

	642 mmHg		85%
	3.4 m/s

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

30 December, tue

	642 mmHg		87%
	3.4 m/s

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

31 December, wed

	642 mmHg		86%
	3.2 m/s

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

1 January, thu

	643 mmHg		83%
	3.4 m/s

1 January, Thursday. day, 1°; night, -3°; partly cloudy

2 January, fri

	642 mmHg		81%
	3.6 m/s

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

3 January, sat

	642 mmHg		82%
	3.5 m/s

3 January, Saturday. day, 1°; night, -2°; snow

Average data for 10 years

Mount Ranier National Park December

5

sunny days

20

days with precipitation

19

cloudy days

5 sunny days; 20 days with precipitation; 19 cloudy days;

84

%

air humidity

2.4

m/s

WindS

262

mm of precipitation

(15% of annual average)

air humidity 84%; 262 millimeters of precipitation (15% of annual average); Wind southerly 2.4 Meters per second

Weather graphs for December

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

S

S

S

SE

SE

SE

SE

S

S

S

SE

S

S

S

S

SE

S

S

S

S

S

S

SE

S

SE

SE

S

S

S

S

S

1

Average data for 10 years

2

3

4

5

6

7

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9

10

11

12

13

14

15

16

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31

Daytime temperature

Night-time temperature

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

December in Mount Ranier National Park is the snowiest, the windiest, and the coldest month of the year. In December, the weather in Mount Ranier National Park is typically cold. Average daily high temperature in December is about 1 degree above zero. On average, Mount Ranier National Park has 12 cloudy, 5 snowy, 5 sunny, 5 partly cloudy, and 4 rainy days in December. The snowfalls are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Mount Ranier National Park.

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