Clearmont, Wyoming has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from -0.3 °C (low) to 15.3 °C (high). Annual precipitation averages 369.6 Millimeters. Clearmont is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -12.1 °C | 1.8 °C | 14.22 mm |
| February | -10.6 °C | 3.4 °C | 14.48 mm |
| March | -5.4 °C | 9.3 °C | 24.38 mm |
| April | -0.9 °C | 13.9 °C | 41.15 mm |
| May | 4.2 °C | 18.8 °C | 67.82 mm |
| June | 9.2 °C | 25.2 °C | 53.59 mm |
| July | 12.8 °C | 30.6 °C | 38.35 mm |
| August | 11.5 °C | 29.9 °C | 19.81 mm |
| September | 6.2 °C | 24.2 °C | 30.99 mm |
| October | -0.3 °C | 15.7 °C | 35.81 mm |
| November | -6.4 °C | 8.1 °C | 16.76 mm |
| December | -11.4 °C | 2.2 °C | 12.19 mm |
| Annual | -0.3 °C | 15.3 °C | 369.55 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |