Wilmont, Minnesota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 34.8 °F (low) to 54.4 °F (high). Annual precipitation averages 30.1 Inches. Wilmont 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 | 6.1 °F | 22.8 °F | 0.74 in. |
| February | 9.9 °F | 27.3 °F | 0.87 in. |
| March | 21.0 °F | 39.6 °F | 1.52 in. |
| April | 33.5 °F | 55.1 °F | 3.03 in. |
| May | 46.5 °F | 68.2 °F | 3.96 in. |
| June | 57.8 °F | 78.2 °F | 4.69 in. |
| July | 61.4 °F | 82.3 °F | 3.57 in. |
| August | 59.0 °F | 79.3 °F | 3.47 in. |
| September | 50.3 °F | 72.6 °F | 3.41 in. |
| October | 36.8 °F | 58.6 °F | 2.4 in. |
| November | 23.6 °F | 41.6 °F | 1.36 in. |
| December | 11.9 °F | 27.4 °F | 1.06 in. |
| Annual | 34.8 °F | 54.4 °F | 30.08 in. |
| 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 : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |