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Girdwood weather in December

Weather in Girdwood: December

Average day temperature: 17.8°F
Average night temperature: 15.7°F
Sea water temperature: 38.7°F
Number of sunny days: 5 days
Day length: 5.6 - 6.2 hours
Number of days with precipitation: 5 days
Precipitation totals: 3.0 in.

Air temperature in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
6
12
18
24
30
36
42
48
Day temperature   
Night temperature

The highest day temperature during December of 2024 was 36°F. At the same time the lowest night temperature was 3°F. Daily and nightly averages during December were 24.4°F and 22.3°F.

Sea water temperature in Girdwood in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45

The average sea water temperature in December of 2024 was 38.7°F. The highest and lowest sea temperatures during the month were 39.4°F and 37.6°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
16%
19%
65%

Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in December, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.5
1.0
1.6
2.1
2.6
3.1
3.7
2.8
2.7
2.6
2.7
1.7
1.2
1.1
1.2
1.5
2.7
3.0
2.8
2.7
2.6
2.7
1.7
1.2
1.1
1.2
1.5
2.7

Precipitation total value in Girdwood in December is 3.0 in. Other months of the year show relatively similar values.

Wind speed in December, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.0
2.1
3.1
4.2
5.2
6.3
7.3
5.6
5.3
5.2
5.2
4.8
4.9
5.3
5.0
5.4
5.9
6.1
5.9
5.6
5.3
5.2
5.2
4.8
4.9
5.3
5.0
5.4
5.9
6.1

The average wind speed value in December is 5.9 mph It makes December one of the most windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.1
2.1
3.2
4.2
5.3
6.4
7.4
2.6
2.9
2.4
4.1
4.5
6.2
5.2
6.0
3.6
2.9
2.2
2.0
2.6
2.9
2.4
4.1
4.5
6.2
5.2
6.0
3.6
2.9
2.2

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: 2.0.

Best time for vacation in Girdwood

Sunniest months:
January 8 days
November 8 days
April 7 days
Warmest months:
July 60.6 °F
June 58.4 °F
August 58.3 °F
Warmest sea temp:
August 55.8 °F
July 54.8 °F
September 51.6 °F
Coldest months:
January 17.6 °F
December 17.8 °F
November 20.1 °F
Rainiest months:
September 6 days
August 5 days
October 4 days
Windiest months:
January 6.1 mph
December 5.9 mph
February 5.9 mph

Girdwood on a weather map

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24 Hours Forecast
Girdwood
Local time: 06:07
April 05, saturday
0900
34°F
W
9 mph
1200
39°F
W
9 mph
1500
39°F
W
8 mph
1800
39°F
W
7 mph
2100
37°F
W
8 mph
April 06, sunday
0000
37°F
W
6 mph
0300
36°F
W
6 mph
0600
37°F
W
6 mph
Units of measurement: °C / °F