Measurements:
°C
°F
Washington
46°F
SE 8 mph
Feels like: 42°F
Precip: 0%
World Resorts USA Washington Weather December Weather in Washington

Washington Weather: December

Average Day Temperature: 45.7°F
Average Night Temperature: 37.7°F
Sea Water Temperature: 46.0°F
Number of Sunny Days: 12 days
Sunshine Hours: 9.4 - 9.6 hours
Number of Rainy Days: 4 days
Precipitation Totals: 2.2 in

Air Temperature in December, °F

Select Year: 2024 2023 2022
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3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
11
22
33
44
55
66
77
88
Day Temperature   
Night Temperature

The highest day temperature in December 2024 was 65°F. The lowest night temperature was 17°F. The average values for day and night temperatures during December were 42.5°F и 33.9°F respectivly.

Washington Water Sea Temperature in December, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
32
36
40
44
48
52
56
60

The average sea surface temperature in December 2024 for Washington was 44.6°F. The maximum and minimum values were 36.4°F and 54.6°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
39%
23%
39%

You can expect various weather conditions during December. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in December, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.6
1.3
1.9
2.6
3.2
3.9
4.5

Precipitation total in December for Washington is 2.2 in. It makes december one of the least rainy months of the year.

Wind Speed in December, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.6
3.1
4.7
6.3
7.8
9.4
11.0

The average wind speed in December is 7.4 mph.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.7
3.4
5.0
6.7
8.4
10.1
11.7

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Washington in December is 5.0 hours.

Best Time to Visit Washington
The most sunny months:
July 15 days
November 15 days
June 15 days
The most warm months:
July 93.3 °F
August 90.6 °F
June 86.4 °F
Warmest sea temperature:
July 84.4 °F
August 83.1 °F
June 78.2 °F
The most cold months:
January 38.5 °F
February 43.4 °F
December 45.7 °F
The most rainy months:
August 6 days
July 6 days
May 6 days
The most windy months:
April 9 mph
March 9 mph
February 8 mph

Washington on the Weather Map

USA Resorts:
NAME
Boston +40
Chicago +46
Hawaii +76
Honolulu +76
Houston +74
Las Vegas +56
Los Angeles +54
Miami +78
New York +44
Orlando +72
San Diego +58
San Francisco +52
Sarasota +70
Tampa +72
Washington +46
24 Hours Weather Forecast
Washington
Local time: 09:35
17 apr, thursday
1200 56°F
SE
8 mph
1500 64°F
SE
7 mph
1800 66°F
SE
4 mph
2100 58°F
NW
4 mph
18 apr, friday
0000 54°F
NW
4 mph
0300 52°F
N
5 mph
0600 52°F
N
7 mph
0900 58°F
N
11 mph