Kevin, Montana has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 30.1 °F (low) to 55.6 °F (high). Annual precipitation averages 12.3 Inches. Kevin is located in USDA Plant Hardiness Zone 4a. 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 | 9.4 °F | 31.4 °F | 0.42 in. |
| February | 11.7 °F | 34.4 °F | 0.4 in. |
| March | 19.8 °F | 43.3 °F | 0.57 in. |
| April | 29.3 °F | 54.8 °F | 1.21 in. |
| May | 38.7 °F | 64.6 °F | 1.79 in. |
| June | 46.7 °F | 72.2 °F | 2.97 in. |
| July | 51.6 °F | 82.0 °F | 1.08 in. |
| August | 50.0 °F | 81.5 °F | 1.07 in. |
| September | 41.8 °F | 70.8 °F | 1.11 in. |
| October | 30.9 °F | 57.0 °F | 0.74 in. |
| November | 20.0 °F | 42.5 °F | 0.52 in. |
| December | 11.0 °F | 32.5 °F | 0.39 in. |
| Annual | 30.1 °F | 55.6 °F | 12.27 in. |
| 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 4a : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |