Grand Junction Weather: December
 |
Average Day Temperature: | 40.1°F |
|
Average Night Temperature: | 22.3°F |
|
Number of Sunny Days: | 19 days |
| Sunshine Hours: | 9.4 - 9.6 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.4 in | |
| detailed information | ||
14 day weather
forecast
forecast
| Grand Junction |
When is the Best
Time to Visit?
Time to Visit?
| Grand Junction |
Air Temperature in December, °F
The highest day temperature in December 2025 was 68°F. The lowest night temperature was 22°F. The average values for day and night temperatures during December were 50.1°F и 31.8°F respectivly.
Sunny, Cloudy and Gloomy days
Most of the days in December are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in December, in
Precipitation total in December for Grand Junction is 0.4 in.
Wind Speed in December, mph
The average wind speed in December is 3.9 mph. It makes December one of the most windless months of the year for Grand Junction.
Average Sunny Hours Per Day
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Grand Junction in December is 6.8 hours.
Grand Junction on the Weather Map
USA Resorts:
NAME
F°
| Boston |  |
+58 |
| Chicago | |
+58 |
| Hawaii | |
+80 |
| Houston |  |
+74 |
| Las Vegas |  |
+64 |
| Los Angeles | |
+74 |
| Maui | |
+72 |
| Miami | |
+82 |
| New York | |
+62 |
| Panama City Beach | |
+64 |
| San Diego | |
+74 |
| San Francisco | |
+60 |
| Santa Monica | |
+72 |
| Tampa | |
+74 |
| Washington | |
+58 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Grand Junction
Local time: 21:50
27 oct, tuesday
| 0000 |  |
40°F | N 3 mph |
| 0300 | |
38°F | N 3 mph |
| 0600 | |
36°F | N 4 mph |
| 0900 |  |
44°F | N 4 mph |
| 1200 | |
62°F | NW 8 mph |
| 1500 | |
64°F | E 2 mph |
| 1800 | |
52°F | NW 2 mph |
| 2100 |  |
46°F | N 5 mph |