Weather in Grand Junction: December
 |
Average day temperature: | 41.1°F |
| Average night temperature: | 25.1°F | |
 |
Number of sunny days: | 19 days |
| Day length: | 9.4 - 9.6 hours | |
 |
Number of rainy days: | 1 day |
| Precipitation totals: | 0.4 in. | |
| more information | ||
14 days
forecast
forecast
| Grand Junction |
weather in
January
January
| Grand Junction |
Air temperature in December, °F
Show year:
2025
2024
2023
The highest day temperature during December of 2025 was 66°F. At the same time the lowest night temperature was 24°F. Daily and nightly averages during December were 50.1°F and 33.6°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 Grand Junction in December is 0.4 in. Other months of the year show relatively similar values.
Wind speed in December, mph
The average wind speed value in December is 3.9 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: 6.7.
Best time for vacation in Grand Junction
Grand Junction on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Grand Junction
Local time: 02:41
January 13, tuesday
0300
30°F
N
3 mph
3 mph
0600
28°F
NW
3 mph
3 mph
0900
27°F
N
3 mph
3 mph
1200
43°F
NW
4 mph
4 mph
1500
48°F
W
1 mph
1 mph
1800
37°F
E
1 mph
1 mph
2100
34°F
E
1 mph
1 mph
January 14, wednesday
0000
30°F
N
1 mph
1 mph
