Weather in Casper: December
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Average day temperature: | 34.3°F |
| Average night temperature: | 24.1°F | |
 |
Number of sunny days: | 17 days |
| Day length: | 9.0 - 9.3 hours | |
 |
Number of rainy days: | 0 days |
| Precipitation totals: | 0.3 in. | |
| more information | ||
14 days
forecast
forecast
| Casper |
weather in
January
January
| Casper |
Air temperature in December, °F
Show year:
2024
2023
2022
The highest day temperature during December of 2024 was 46°F. At the same time the lowest night temperature was 18°F. Daily and nightly averages during December were 38.7°F and 26.5°F.
Sunny, partly cloudy and cloudy days
Mostly all days in December are sunny but cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in Casper in December is 0.3 in. Other months of the year show relatively similar values.
Wind speed in December, mph
The average wind speed value in December is 13.1 mph It makes December most windy month of the year.
Average sunny hours
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: 6.1.
Best time for vacation in Casper
Casper on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Casper
Local time: 05:53
December 24, wednesday
0600
39°F
NE
19 mph
19 mph
0900
39°F
NE
21 mph
21 mph
1200
50°F
NE
22 mph
22 mph
1500
54°F
NE
22 mph
22 mph
1800
48°F
NE
22 mph
22 mph
2100
45°F
NE
26 mph
26 mph
December 25, thursday
0000
45°F
NE
25 mph
25 mph
0300
45°F
NE
30 mph
30 mph
