Wyoming weather in December: Statewide normals and every place, NOAA 1991-2020
In December, Wyoming's statewide normal high is 32°F and normal low 11°F; normal highs run from 24°F in Bondurant to 43°F in Yoder (NOAA 1991-2020 normals).
- Statewide normal high
- 32°FDecember, 1991-2020
- Statewide normal low
- 11°FDecember, 1991-2020
- Statewide normal precipitation
- 1.03 inDecember
- Warmest place
- 43°Fnormal high, Yoder
- Coolest place
- 24°Fnormal high, Bondurant
Where is Wyoming warmest and wettest in December?
Yoder has the warmest December afternoons (43°F) and Bondurant the coolest (24°F). Bondurant gets the most precipitation (2.52 in) and Powell the least (0.10 in). The most snow falls in Bondurant (33.5 inches).
Statewide, December averaged 26.2°F in 2021, 19.6°F in 2022, 27.7°F in 2023, 29.1°F in 2024, 31.9°F in 2025, against a 1991-2020 normal of 21.8°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Cheyenne | 39°F | 18°F | 0.48 | 8.8 |
| Casper | 35°F | 15°F | 0.61 | 11.0 |
| Gillette | 36°F | 15°F | 0.36 | – |
| Laramie | 33°F | 10°F | 0.32 | – |
| Rock Springs | 30°F | 13°F | 0.31 | 5.8 |
| Sheridan | 37°F | 12°F | 0.54 | – |
| Evanston | 30°F | 14°F | 0.38 | – |
| Green River | 32°F | 10°F | 0.63 | 6.7 |
| Riverton | 31°F | 8°F | 0.26 | – |
| Jackson | 26°F | 7°F | 1.76 | 16.4 |
| Cody | 37°F | 18°F | 0.46 | 7.5 |
| Rawlins | 31°F | 13°F | 0.40 | – |
| Lander | 33°F | 10°F | 0.63 | 9.3 |
| Powell | 33°F | 8°F | 0.10 | 1.5 |
| Douglas | 38°F | 12°F | 0.27 | – |
| Torrington | 41°F | 15°F | 0.23 | – |
| Worland | 32°F | 5°F | 0.18 | – |
| Buffalo | 37°F | 17°F | 0.17 | – |
| Wheatland | 43°F | 16°F | 0.39 | 5.7 |
| Newcastle | 35°F | 15°F | 0.54 | 6.8 |
| Thermopolis | 38°F | 12°F | 0.46 | 4.5 |
| Kemmerer | 31°F | 3°F | 0.67 | 9.5 |
| Lovell | 33°F | 10°F | 0.20 | 2.6 |
| Afton | 27°F | 7°F | 1.41 | 17.5 |
| Pinedale | 29°F | 3°F | 0.74 | 13.5 |
| Saratoga | 34°F | 12°F | – | – |
| Greybull | 31°F | 8°F | 0.11 | – |
| Lusk | 37°F | 12°F | – | – |
| Basin | 34°F | 11°F | 0.30 | 4.0 |
| Mountain View | 31°F | 11°F | 0.79 | 9.5 |
| Story | 37°F | 14°F | 1.34 | 17.8 |
| Sundance | 30°F | 16°F | 1.73 | – |
| Pine Bluffs | 41°F | 17°F | 0.34 | – |
| Guernsey | 40°F | 15°F | 0.34 | – |
| Moorcroft | 34°F | 12°F | – | – |
| Dubois | 34°F | 13°F | 0.34 | 6.5 |
| Upton | 33°F | 10°F | 0.45 | 8.3 |
| Dayton | 36°F | 10°F | 0.82 | 11.7 |
| Alta | 28°F | 12°F | 2.14 | 21.7 |
| Shoshoni | 29°F | 5°F | 0.18 | 2.9 |
| Bedford | 28°F | 7°F | 2.10 | – |
| Baggs | 33°F | 9°F | 0.70 | 5.7 |
| Lingle | 41°F | 12°F | 0.40 | – |
| La Barge | 30°F | 0°F | 0.47 | 5.5 |
| Big Piney | 28°F | −2°F | 0.23 | – |
| Centennial | 34°F | 13°F | – | – |
| Hulett | 35°F | 12°F | 0.54 | 6.6 |
| Midwest | 35°F | 12°F | 0.61 | 7.5 |
| Kaycee | 37°F | 10°F | 0.34 | 6.8 |
| Glendo | 38°F | 16°F | 0.54 | – |
| Medicine Bow | 33°F | 11°F | 0.49 | 6.8 |
| Pavillion | 33°F | 9°F | 0.28 | 4.9 |
| Wamsutter | 30°F | 9°F | 0.53 | 8.8 |
| Farson | 30°F | −2°F | 0.37 | 4.6 |
| Deaver | 33°F | 9°F | 0.15 | 2.3 |
| Chugwater | 41°F | 18°F | 0.74 | 12.0 |
| Albin | 39°F | 18°F | 0.61 | 10.2 |
| Daniel | 26°F | −5°F | 0.85 | 11.6 |
| Elk Mountain | 35°F | 15°F | 0.90 | 12.5 |
| Yoder | 43°F | 16°F | 0.45 | 9.1 |
| Clearmont | 35°F | 7°F | – | – |
| Bondurant | 24°F | 3°F | 2.52 | 33.5 |
| Cora | 27°F | 3°F | – | – |
| Shell | 34°F | 8°F | 0.44 | 5.6 |
| Atlantic City | 29°F | 5°F | 1.46 | – |
| Fontenelle | 29°F | 0°F | 0.26 | 4.5 |
| Big Horn | 38°F | 14°F | 0.58 | 11.7 |
| Archer | 42°F | 14°F | 0.53 | 5.6 |
| Bates Creek #2 | 34°F | 13°F | 0.74 | 11.9 |
| Billy Creek | 39°F | 12°F | 0.35 | 4.6 |
| Bitter Creek (4 mi NE) | 33°F | 11°F | 0.46 | – |
| Black Mountain | 34°F | 19°F | 0.79 | 9.8 |
| Boulder | 29°F | −4°F | 0.46 | 6.9 |
| Boysen Dam | 31°F | 9°F | 0.37 | 2.2 |
| Buckboard Marina | 35°F | 10°F | 0.32 | 7.1 |
| Buffalo Bill Dam | 35°F | 19°F | 0.38 | 1.2 |
| Burgess Junction | 29°F | 8°F | 1.54 | – |
| Burris | 36°F | 11°F | 0.22 | 4.4 |
| Carpenter | 41°F | 13°F | 0.40 | 3.5 |
| Church Buttes Gas Plant | 31°F | 12°F | 0.24 | 4.7 |
| Clark (3 mi NE) | 38°F | 8°F | 0.24 | 3.9 |
| Colony | 35°F | 16°F | 0.26 | 2.9 |
| Darwin Ranch | 25°F | −5°F | 1.23 | 16.9 |
| Devils Tower #2 | 35°F | 9°F | 0.68 | 9.6 |
| Dillinger | 36°F | 10°F | 0.50 | 6.7 |
| Diversion Dam | 34°F | 8°F | 0.21 | 3.0 |
| Double Four Ranch | 37°F | 16°F | 0.44 | 8.4 |
| Dull Center (1 mi SE) | 37°F | 15°F | 0.33 | 6.2 |
| Echeta (2 mi NW) | 36°F | 12°F | – | – |
| Emblem | 32°F | 10°F | 0.22 | 3.3 |
| Fossil Butte | 29°F | 5°F | 0.86 | – |
| Heart Mountain | 34°F | 14°F | 0.32 | 6.1 |
| Hecla (1 mi E) | 39°F | 16°F | 0.43 | 9.4 |
| Jeffrey City | 31°F | 10°F | 0.46 | 6.3 |
| La Grange | 42°F | 18°F | 0.77 | 10.6 |
| Lake Yellowstone | 24°F | 7°F | 1.99 | 35.4 |
| Lamar Ranger Station | 27°F | 3°F | 1.21 | – |
| Lance Creek (11 mi NNE) | 37°F | 12°F | 0.29 | 6.6 |
| Leiter (9 mi N) | 35°F | 14°F | 0.58 | 8.1 |
| Leo (6 mi SW) | 35°F | 16°F | 0.76 | 8.5 |
| Moose | 28°F | 4°F | 2.78 | 44.1 |
| Moran (5 mi WNW) | 24°F | 4°F | 3.10 | 39.9 |
| Muddy Gap | 33°F | 14°F | – | – |
| Old Faithful | 27°F | 1°F | 2.78 | 45.0 |
| Old Fort Laramie | 43°F | 15°F | 0.42 | 6.2 |
| Pahaska | 30°F | 8°F | 2.66 | 32.0 |
| Pathfinder Dam | 33°F | 18°F | 0.53 | – |
| Phillips | 42°F | 16°F | 0.48 | 9.9 |
| Powder River | 32°F | 11°F | – | – |
| Powder River (School) | 34°F | 10°F | 0.77 | – |
| Redbird | 37°F | 12°F | 0.32 | 9.0 |
| Rochelle (7 mi ENE) | 35°F | 9°F | 0.30 | – |
| Sage (4 mi NNW) | 27°F | 1°F | – | – |
| Seminoe Reservoir USBR | 31°F | 14°F | 0.39 | – |
| Shirley Basin | 29°F | 3°F | 0.43 | – |
| Snake River | 25°F | 2°F | 4.21 | 64.7 |
| South Pass City | 28°F | 3°F | – | – |
| Sunshine (3 mi NE) | 33°F | 7°F | 0.46 | 8.5 |
| Sybille Research Unit | 35°F | 17°F | 0.65 | 12.6 |
| Tensleep (16 mi SSE) | 35°F | 3°F | 0.81 | 11.2 |
| Tensleep (4 mi NE) | 36°F | 15°F | 0.71 | 9.5 |
| Thermopolis (21 mi WNW) | 39°F | 10°F | – | – |
| Torrington (29 mi N) | 37°F | 14°F | 0.34 | 7.9 |
| Tower Falls | 26°F | 5°F | 1.29 | 19.3 |
| Wapiti (1 mi WSW) | 38°F | 19°F | 0.61 | 3.7 |
| Weston (1 mi E) | 37°F | 11°F | 0.36 | 8.2 |
| Whalen Dam USBR | 41°F | 13°F | 0.30 | – |
| Wright (12 mi W) | 35°F | 13°F | 0.42 | 7.4 |
| Yellowstone Lake | 23°F | 3°F | 2.35 | – |
| Yellowstone National Park E Ent | 29°F | 5°F | 2.87 | – |
| Yellowstone Park Mammoth | 30°F | 12°F | 0.91 | 12.6 |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.