Wyoming in december: average Weather, Temperature and Climate
Weather in Wyoming in december 2026
The weather in Wyoming in the month of december comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
very bad weather 322.7cm
Weather at 6am
20°F
Clear/Sunny
51% of time
23%
20%
7%
Weather at 12pm
27°F
Clear/Sunny
53% of time
23%
17%
8%
Weather at 6pm
23°F
Clear/Sunny
50% of time
23%
18%
9%
Weather at 3am
20°F
52%
23%
21%
4%
Evolution of daily average temperature and precipitation in Wyoming in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Wyoming in december.
The climate of Wyoming in december is very bad
The weather in december in Wyoming is rather dry (with 1.5in of rainfall over 2 days). The weather is worst than the previous month since in november there is an average of 1.2in of precipitation over 2 days.
The climate is rather cold in that locality this month. Do not forget to take with you warm clothes! Temperatures are up to 31°F. The seasonal minimum is 18°F. Thus, the mean temperature average in december in Wyoming is 25°F. Note that seasonal normals in contrast with those observed in Wyoming in december with a maximum record of 61°F in 2021 and a minimum record of -36°F in 2016.
In december in Wyoming, the days on average last 09:01. Sunrise is at 07:34 and sets at 16:35.
December: another location in the United States (USA)?
If you want to go to the United States (USA) in december, there are destinations with better weather than Wyoming:
In december, Miami (Florida) has perfect weather.
Furthermore, Hawaii (Honolulu), Houston, Myrtle Beach, Phoenix (Arizona), Carolina Beach and Dauphin Island (Alabama) have good weather.
Finally, California, Louisiana, Atlanta, Dallas, Austin and Big Bend National Park (Texas) have a tolerable climate, but better than Wyoming.
Seasonal average climate and temperature of Wyoming in december
Check below seasonal norms These statistics are compiled from the weather statements of the past years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 25°F | ||||
| Highest temperature | 31°F | ||||
| Lowest temperature | 18°F | ||||
| Highest record temperature | 61°F (2021) | ||||
| Lowest record temperature | -36°F (2016) | ||||
| Number of days at +65°F | 0 day(s) (0%) | ||||
| Number of days at -32°F | 29 day(s) (94%) | ||||
| Wind | |||||
| Wind speed | 25km/h | ||||
| Wind temperature | 7°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.5in | ||||
| Number of days with rainfall | 2 day(s) (7%) | ||||
| Record daily rainfall | 0.8in (2015) | ||||
| Snowfall | 322.7cm | ||||
| Other climate data | |||||
| Humidity | 80% | ||||
| Visibility | 8.91km | ||||
| Cloud cover | 32% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 8 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 07:34 | ||||
| Time of sunset | 16:35 | ||||
| Length of day | 09:01 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last december?
Here is the day by day recorded weather in Wyoming in december 2025:
11°F to 31°F
22°F to 32°F
23°F to 29°F
11°F to 36°F
25°F to 32°F
27°F to 38°F
23°F to 34°F
20°F to 36°F
32°F to 41°F
27°F to 43°F
32°F to 45°F
27°F to 41°F
25°F to 41°F
22°F to 41°F
22°F to 43°F
29°F to 45°F
31°F to 49°F
23°F to 32°F
29°F to 47°F
25°F to 34°F
22°F to 43°F
27°F to 47°F
25°F to 47°F
29°F to 47°F
36°F to 52°F
27°F to 43°F
25°F to 36°F
18°F to 25°F
7°F to 32°F
16°F to 36°F
16°F to 38°F
Map: other cities in the United States (USA) in december
Cities near Wyoming:
| Cody (Wyoming) in december | very bad weather |
| Jackson Hole in december | very bad weather |
| Grand Teton National Park (Wyoming) in december | very bad weather |
| Yellowstone National Park in december | very bad weather |
| Mount Rushmore in december | very bad weather |
| Denver in december | very bad weather |
| Salt Lake City in december | very bad weather |
| Montana in december | very bad weather |
| Arches National Park (Utah) in december | very bad weather |
| Utah in december | very bad weather |
| Moab in december | very bad weather |
| Helena (Montana) in december | very bad weather |
Click over cities on the map for information about the weather in december.
Wyoming
perfect weather
good
tolerable
bad
very bad
Weather data for Wyoming in december:
Weather data for Wyoming for december are derived from an average of the weather forecast since 2009 in Wyoming. There is a margin of error and these forecasts are to be considered as general information only. The weather in Wyoming can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Wyoming.