Wheatland, Wyoming has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 1.4 °C (low) to 17 °C (high). Annual precipitation averages 363.7 Millimeters. Wheatland is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.8 °C | 4.9 °C | 7.37 mm |
| February | -7.8 °C | 5.8 °C | 12.45 mm |
| March | -3.7 °C | 11.1 °C | 20.07 mm |
| April | 0 °C | 15.1 °C | 40.89 mm |
| May | 5.2 °C | 20.2 °C | 70.1 mm |
| June | 10.4 °C | 26.6 °C | 54.1 mm |
| July | 13.6 °C | 31.3 °C | 41.4 mm |
| August | 12.4 °C | 30.8 °C | 30.23 mm |
| September | 7.1 °C | 25.8 °C | 30.23 mm |
| October | 0.6 °C | 17.8 °C | 33.53 mm |
| November | -4.6 °C | 9.8 °C | 12.7 mm |
| December | -8.2 °C | 4.8 °C | 10.67 mm |
| Annual | 1.4 °C | 17 °C | 363.74 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |