Wyoming weather in August: Statewide normals and every place, NOAA 1991-2020
In August, Wyoming's statewide normal high is 80°F and normal low 49°F; normal highs run from 74°F in Sundance to 91°F in Basin (NOAA 1991-2020 normals).
- Statewide normal high
- 80°FAugust, 1991-2020
- Statewide normal low
- 49°FAugust, 1991-2020
- Statewide normal precipitation
- 1.01 inAugust
- Warmest place
- 91°Fnormal high, Basin
- Coolest place
- 74°Fnormal high, Sundance
Where is Wyoming warmest and wettest in August?
Basin has the warmest August afternoons (91°F) and Sundance the coolest (74°F). Albin gets the most precipitation (2.28 in) and Greybull the least (0.23 in).
Statewide, August averaged 64.1°F in 2021, 67.3°F in 2022, 64.8°F in 2023, 65.6°F in 2024, 65.6°F in 2025, 67.1°F in 2026, against a 1991-2020 normal of 64.6°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Cheyenne | 82°F | 54°F | 1.52 | 0.0 |
| Casper | 87°F | 51°F | 0.79 | 0.0 |
| Gillette | 86°F | 54°F | 0.97 | – |
| Laramie | 79°F | 47°F | 1.14 | – |
| Rock Springs | 82°F | 53°F | 0.56 | 0.0 |
| Sheridan | 87°F | 52°F | 0.71 | – |
| Evanston | 80°F | 51°F | 0.83 | – |
| Green River | 85°F | 51°F | 0.64 | 0.0 |
| Riverton | 86°F | 54°F | 0.42 | – |
| Jackson | 78°F | 40°F | 1.14 | 0.0 |
| Cody | 82°F | 56°F | 0.90 | 0.0 |
| Rawlins | 83°F | 49°F | 0.73 | – |
| Lander | 86°F | 54°F | 0.52 | 0.0 |
| Powell | 84°F | 50°F | 0.42 | 0.0 |
| Douglas | 87°F | 53°F | 1.04 | – |
| Torrington | 88°F | 56°F | 0.97 | – |
| Worland | 88°F | 52°F | 0.40 | – |
| Buffalo | 83°F | 57°F | 0.75 | – |
| Wheatland | 89°F | 52°F | 1.17 | 0.0 |
| Newcastle | 86°F | 59°F | 1.82 | 0.0 |
| Thermopolis | 90°F | 55°F | 0.50 | 0.0 |
| Kemmerer | 81°F | 41°F | 0.86 | 0.0 |
| Lovell | 85°F | 52°F | 0.29 | 0.0 |
| Afton | 79°F | 43°F | 1.11 | 0.0 |
| Pinedale | 78°F | 40°F | 0.96 | 0.0 |
| Saratoga | 81°F | 45°F | – | – |
| Greybull | 89°F | 56°F | 0.23 | – |
| Lusk | 83°F | 52°F | – | – |
| Basin | 91°F | 57°F | 0.32 | 0.0 |
| Mountain View | 78°F | 45°F | 0.82 | 0.0 |
| Story | 80°F | 51°F | 1.25 | 0.0 |
| Sundance | 74°F | 52°F | 1.92 | – |
| Pine Bluffs | 86°F | 54°F | 1.92 | – |
| Guernsey | 88°F | 58°F | 1.20 | – |
| Moorcroft | 84°F | 54°F | – | – |
| Dubois | 78°F | 42°F | 0.89 | 0.0 |
| Upton | 85°F | 54°F | 1.42 | 0.0 |
| Dayton | 84°F | 50°F | 0.88 | 0.0 |
| Alta | 78°F | 47°F | 1.38 | 0.0 |
| Shoshoni | 88°F | 55°F | 0.48 | 0.0 |
| Bedford | 79°F | 41°F | 1.26 | – |
| Baggs | 84°F | 48°F | 0.90 | 0.0 |
| Lingle | 87°F | 51°F | 1.43 | – |
| La Barge | 82°F | 44°F | 0.85 | 0.0 |
| Big Piney | 80°F | 40°F | 0.87 | – |
| Centennial | 75°F | 46°F | – | – |
| Hulett | 85°F | 53°F | 1.27 | 0.0 |
| Midwest | 86°F | 50°F | 0.66 | 0.0 |
| Kaycee | 86°F | 52°F | 0.70 | 0.0 |
| Glendo | 86°F | 57°F | 1.16 | – |
| Medicine Bow | 83°F | 46°F | 0.82 | 0.0 |
| Pavillion | 83°F | 53°F | 0.56 | 0.0 |
| Wamsutter | 83°F | 48°F | 0.72 | 0.0 |
| Farson | 81°F | 44°F | 0.73 | 0.0 |
| Deaver | 88°F | 55°F | 0.35 | 0.0 |
| Chugwater | 86°F | 53°F | 1.57 | 0.0 |
| Albin | 85°F | 55°F | 2.28 | 0.0 |
| Daniel | 76°F | 33°F | 1.05 | 0.0 |
| Elk Mountain | 80°F | 48°F | 0.74 | 0.0 |
| Yoder | 89°F | 54°F | 1.08 | 0.0 |
| Clearmont | 84°F | 50°F | – | – |
| Bondurant | 80°F | 40°F | 1.23 | 0.0 |
| Cora | 77°F | 37°F | – | – |
| Shell | 87°F | 51°F | 0.46 | 0.0 |
| Atlantic City | 76°F | 42°F | 1.05 | – |
| Fontenelle | 82°F | 43°F | 0.73 | 0.0 |
| Big Horn | 84°F | 53°F | 1.06 | 0.0 |
| Archer | 85°F | 50°F | 1.78 | 0.0 |
| Bates Creek #2 | 82°F | 52°F | 0.76 | 0.0 |
| Billy Creek | 84°F | 53°F | 0.84 | 0.0 |
| Bitter Creek (4 mi NE) | 83°F | 49°F | 0.65 | – |
| Black Mountain | 84°F | 59°F | 0.72 | 0.0 |
| Boulder | 81°F | 39°F | 0.73 | 0.0 |
| Boysen Dam | 89°F | 57°F | 0.46 | 0.0 |
| Buckboard Marina | 85°F | 49°F | 0.76 | 0.0 |
| Buffalo Bill Dam | 81°F | 55°F | 0.75 | 0.0 |
| Burgess Junction | 70°F | 41°F | 1.20 | – |
| Burris | 80°F | 46°F | 0.55 | 0.0 |
| Carpenter | 85°F | 53°F | 1.88 | 0.0 |
| Church Buttes Gas Plant | 81°F | 53°F | 0.70 | 0.0 |
| Clark (3 mi NE) | 84°F | 51°F | 0.66 | 0.0 |
| Colony | 85°F | 58°F | 1.28 | 0.0 |
| Darwin Ranch | 71°F | 34°F | 1.39 | 0.0 |
| Devils Tower #2 | 85°F | 52°F | 1.90 | 0.0 |
| Dillinger | 87°F | 52°F | 1.24 | 0.0 |
| Diversion Dam | 83°F | 49°F | 0.65 | 0.0 |
| Double Four Ranch | 82°F | 46°F | 1.09 | 0.0 |
| Dull Center (1 mi SE) | 88°F | 55°F | 1.21 | 0.0 |
| Echeta (2 mi NW) | 87°F | 53°F | – | – |
| Emblem | 84°F | 53°F | 0.42 | 0.0 |
| Fossil Butte | 82°F | 41°F | 0.91 | – |
| Heart Mountain | 83°F | 53°F | 0.54 | 0.0 |
| Hecla (1 mi E) | 80°F | 51°F | 1.64 | 0.0 |
| Jeffrey City | 83°F | 48°F | 0.54 | 0.0 |
| La Grange | 88°F | 55°F | 1.89 | 0.0 |
| Lake Yellowstone | 71°F | 42°F | 1.49 | 0.0 |
| Lamar Ranger Station | 80°F | 39°F | 1.31 | – |
| Lance Creek (11 mi NNE) | 88°F | 54°F | 1.09 | 0.0 |
| Leiter (9 mi N) | 88°F | 56°F | 0.80 | 0.0 |
| Leo (6 mi SW) | 87°F | 50°F | 0.62 | 0.0 |
| Moose | 81°F | 42°F | 1.22 | 0.0 |
| Moran (5 mi WNW) | 76°F | 40°F | 1.28 | 0.0 |
| Muddy Gap | 85°F | 53°F | – | – |
| Old Faithful | 75°F | 37°F | 1.43 | 0.0 |
| Old Fort Laramie | 89°F | 54°F | 1.36 | 0.0 |
| Pahaska | 80°F | 38°F | 1.28 | 0.0 |
| Pathfinder Dam | 83°F | 57°F | 1.05 | – |
| Phillips | 86°F | 52°F | 1.52 | 0.0 |
| Powder River | 87°F | 51°F | – | – |
| Powder River (School) | 85°F | 50°F | 0.82 | – |
| Redbird | 89°F | 56°F | 1.23 | 0.0 |
| Rochelle (7 mi ENE) | 88°F | 50°F | 0.99 | – |
| Sage (4 mi NNW) | 83°F | 40°F | – | – |
| Seminoe Reservoir USBR | 81°F | 54°F | 0.90 | – |
| Shirley Basin | 80°F | 43°F | 0.83 | – |
| Snake River | 76°F | 35°F | 1.60 | 0.0 |
| South Pass City | 77°F | 38°F | – | – |
| Sunshine (3 mi NE) | 76°F | 43°F | 1.09 | 0.0 |
| Sybille Research Unit | 81°F | 52°F | 1.28 | 0.0 |
| Tensleep (16 mi SSE) | 84°F | 48°F | 0.76 | 0.0 |
| Tensleep (4 mi NE) | 86°F | 56°F | 0.66 | 0.0 |
| Thermopolis (21 mi WNW) | 85°F | 50°F | – | – |
| Torrington (29 mi N) | 85°F | 54°F | 1.54 | 0.0 |
| Tower Falls | 78°F | 39°F | 1.35 | 0.0 |
| Wapiti (1 mi WSW) | 81°F | 49°F | 0.84 | 0.0 |
| Weston (1 mi E) | 87°F | 52°F | 1.22 | 0.0 |
| Whalen Dam USBR | 87°F | 56°F | 1.26 | – |
| Wright (12 mi W) | 85°F | 53°F | 0.88 | 0.0 |
| Yellowstone Lake | 71°F | 37°F | 1.34 | – |
| Yellowstone National Park E Ent | 77°F | 37°F | 1.33 | – |
| Yellowstone Park Mammoth | 80°F | 47°F | 1.05 | 0.0 |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.