Evan, Minnesota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 34.7 °F (low) to 54.8 °F (high). Annual precipitation averages 30.4 Inches. Evan is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.0 °F | 22.7 °F | 0.74 in. |
| February | 9.1 °F | 27.3 °F | 0.85 in. |
| March | 21.3 °F | 39.5 °F | 1.6 in. |
| April | 34.0 °F | 55.7 °F | 2.95 in. |
| May | 46.9 °F | 68.9 °F | 4.1 in. |
| June | 57.8 °F | 78.6 °F | 4.81 in. |
| July | 61.3 °F | 82.2 °F | 3.7 in. |
| August | 58.4 °F | 79.9 °F | 3.9 in. |
| September | 49.5 °F | 73.5 °F | 3.1 in. |
| October | 37.0 °F | 59.5 °F | 2.38 in. |
| November | 23.9 °F | 42.2 °F | 1.25 in. |
| December | 11.7 °F | 28.0 °F | 1.06 in. |
| Annual | 34.7 °F | 54.8 °F | 30.44 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |