Weather in Big Sky: December
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Average day temperature: | 27.8°F |
| Average night temperature: | 19.6°F | |
 |
Number of sunny days: | 7 days |
| Day length: | 8.7 - 9.0 hours | |
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Number of days with precipitation: | 4 days |
| Precipitation totals: | 1.5 in. | |
| more information | ||
14 days
forecast
forecast
| Big Sky |
weather in
January
January
| Big Sky |
Air temperature in December, °F
Show year:
2025
2024
2023
The highest day temperature during December of 2025 was 39°F. At the same time the lowest night temperature was 2°F. Daily and nightly averages during December were 29.4°F and 24.6°F.
Sunny, partly cloudy and cloudy days
Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in December, in.
Precipitation total value in Big Sky in December is 1.5 in. Other months of the year show relatively similar values.
Wind speed in December, mph
The average wind speed value in December is 5.0 mph
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: 3.8.
Best time for vacation in Big Sky
Big Sky on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Big Sky
Local time: 15:40
January 07, wednesday
1800
19°F
E
4 mph
4 mph
2100
16°F
NE
4 mph
4 mph
January 08, thursday
0000
16°F
N
5 mph
5 mph
0300
16°F
N
5 mph
5 mph
0600
12°F
NE
3 mph
3 mph
0900
12°F
SE
3 mph
3 mph
1200
14°F
E
6 mph
6 mph
1500
12°F
E
11 mph
11 mph
