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Olympia weather in December

Weather in Olympia: December


	Average day temperature:	57.5°F
	Average night temperature:	47.4°F

	Number of sunny days:	15 days
	Day length:	9.6 - 9.7 hours

	Number of rainy days:	6 days
	Precipitation totals:	3.9 in.

more information

14 days
forecast

Olympia

weather in
January

Olympia

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2024

2023

2022

Day temperature

Night temperature

The highest day temperature during December of 2024 was 62°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during December were 57.2°F and 48.2°F.

	Sunny days
	Partly cloudy days
	Cloudy days

40%

23%

37%

Number of sunny, partly cloudy and cloudy days in December is almost equal.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

0.8

1.5

2.3

3.0

3.8

4.5

5.3

6.1

3.8

1.6

1.9

1.6

1.4

1.2

2.7

2.1

4.4

4.3

3.8

1.6

1.9

1.6

1.4

1.2

2.7

2.1

4.4

Precipitation total value in Olympia in December is 4.3 in. Other months of the year show relatively similar values.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.0

2.0

3.0

3.9

4.9

5.9

6.9

5.5

4.9

5.5

5.8

5.4

5.5

5.7

5.5

5.7

5.4

5.5

4.9

5.5

5.8

5.4

5.5

5.7

5.5

5.7

The average wind speed value in December is 5.4 mph The wind's strength is relatively same during the whole year.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

2.3

4.6

6.9

9.3

11.6

13.9

16.2

6.3

8.8

9.6

12.1

13.5

12.2

10.7

9.2

7.2

6.8

5.4

5.5

6.3

8.8

9.6

12.1

13.5

12.2

10.7

9.2

7.2

6.8

5.4

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 5.5.