World Resorts USA Aspen Weather

Aspen weather in December

Weather in Aspen: December

Average day temperature: 28.2°F
Average night temperature: 10.6°F
Number of sunny days: 14 days
Day length: 9.4 - 9.6 hours
Number of days with precipitation: 4 days
Precipitation totals: 2.0 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
-10
-1
8
17
26
35
44
53
62
Day temperature   
Night temperature

The highest day temperature during December of 2024 was 45°F. At the same time the lowest night temperature was -1°F. Daily and nightly averages during December were 34.8°F and 16.9°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
43%
17%
40%

Mostly all days in December are sunny but 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
0.9
1.4
1.8
2.3
2.7
3.2
3.7
1.5
1.7
1.4
2.7
2.6
1.3
2.2
2.2
2.3
1.9
1.9
1.9
1.5
1.7
1.4
2.7
2.6
1.3
2.2
2.2
2.3
1.9
1.9

Precipitation total value in Aspen in December is 1.9 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
1.1
2.3
3.4
4.6
5.7
6.9
8.0
4.9
5.3
5.8
5.4
5.6
6.7
6.6
6.4
6.0
5.7
4.9
4.9
4.9
5.3
5.8
5.4
5.6
6.7
6.6
6.4
6.0
5.7
4.9

The average wind speed value in December is 4.9 mph It makes December one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.8
3.7
5.5
7.3
9.2
11.0
12.8
6.6
8.2
9.6
9.4
10.7
10.4
8.6
8.2
6.0
5.6
5.0
4.9
6.6
8.2
9.6
9.4
10.7
10.4
8.6
8.2
6.0
5.6
5.0

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: 4.9.

Best time for vacation in Aspen

Sunniest months:
June 23 days
September 22 days
July 21 days
Warmest months:
July 73.0 °F
August 70.8 °F
June 69.2 °F
Coldest months:
January 27.2 °F
December 28.2 °F
February 29.0 °F
Rainiest months:
July 8 days
August 6 days
May 5 days
Windiest months:
June 7.3 mph
May 6.8 mph
April 6.7 mph

Aspen on a weather map

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24 Hours Forecast
Aspen
Local time: 19:36
April 09, wednesday
2100
39°F
NE
2 mph
April 10, thursday
0000
36°F
N
2 mph
0300
36°F
N
2 mph
0600
30°F
NW
1 mph
0900
43°F
SE
2 mph
1200
54°F
SE
6 mph
1500
57°F
SE
7 mph
1800
52°F
SE
5 mph
Units of measurement: °C / °F