| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 4a: -30F to -25F | |
| Average First Frost Date: | Sep. 21 - Sep. 30 | |
| Average Last Frost Date: | May 21 - May 31 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | 25d - Flat to Rolling Plains | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 82201 - Wheatland, WY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 19 | 25 | 31 | 40 | 49 | 54 | 53 | 43 | 33 | 24 | 17 | 34 |
| Avg Max Temp (°F) | 40 | 45 | 53 | 61 | 70 | 81 | 88 | 87 | 78 | 66 | 49 | 42 | 63 |
| Avg Precip (In.) | .26 | .3 | .69 | 1.52 | 2.56 | 2.04 | 1.81 | 1.28 | 1.31 | .89 | .55 | .31 | 13.54 |