Weather in Fort Collins: December
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Average day temperature: | 43.9°F |
| Average night temperature: | 27.7°F | |
 |
Number of sunny days: | 19 days |
| Day length: | 9.3 - 9.5 hours | |
 |
Number of rainy days: | 0 days |
| Precipitation totals: | 0.2 in. | |
| more information | ||
14 days
forecast
forecast
| Fort Collins |
weather in
January
January
| Fort Collins |
Air temperature in December, °F
Show year:
2025
2024
2023
The highest day temperature during December of 2025 was 62°F. At the same time the lowest night temperature was 14°F. Daily and nightly averages during December were 49.3°F and 30.2°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 Fort Collins in December is 0.2 in. Other months of the year show relatively similar values.
Wind speed in December, mph
The average wind speed value in December is 5.4 mph It makes December one of the least windy months 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: 6.8.
Best time for vacation in Fort Collins
Fort Collins on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Fort Collins
Local time: 10:32
October 29, thursday
1200
59°F
NW
3 mph
3 mph
1500
64°F
NW
4 mph
4 mph
1800
54°F
W
4 mph
4 mph
2100
50°F
E
1 mph
1 mph
October 30, friday
0000
46°F
S
4 mph
4 mph
0300
45°F
S
3 mph
3 mph
0600
45°F
S
2 mph
2 mph
0900
48°F
W
1 mph
1 mph
