Lovell, Wyoming has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from -0.2 °C (low) to 15.1 °C (high). Annual precipitation averages 173 Millimeters. Lovell is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -13.3 °C | -0.1 °C | 6.6 mm |
| February | -10.9 °C | 2.9 °C | 7.11 mm |
| March | -5.1 °C | 9.9 °C | 7.37 mm |
| April | -0.3 °C | 14.7 °C | 18.8 mm |
| May | 5.2 °C | 19.9 °C | 27.43 mm |
| June | 9.9 °C | 25.8 °C | 29.72 mm |
| July | 13.2 °C | 31.3 °C | 17.02 mm |
| August | 11.6 °C | 30.2 °C | 7.87 mm |
| September | 6.2 °C | 23.9 °C | 19.05 mm |
| October | -0.1 °C | 15.2 °C | 18.54 mm |
| November | -6.5 °C | 6.9 °C | 7.11 mm |
| December | -11.9 °C | 0.8 °C | 6.35 mm |
| Annual | -0.2 °C | 15.1 °C | 172.97 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |