Wilmont, Minnesota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 1.6 °C (low) to 12.5 °C (high). Annual precipitation averages 764 Millimeters. 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 | -14.4 °C | -5.1 °C | 18.8 mm |
| February | -12.3 °C | -2.6 °C | 22.1 mm |
| March | -6.1 °C | 4.2 °C | 38.61 mm |
| April | 0.8 °C | 12.8 °C | 76.96 mm |
| May | 8.1 °C | 20.1 °C | 100.58 mm |
| June | 14.3 °C | 25.7 °C | 119.13 mm |
| July | 16.3 °C | 27.9 °C | 90.68 mm |
| August | 15 °C | 26.3 °C | 88.14 mm |
| September | 10.2 °C | 22.6 °C | 86.61 mm |
| October | 2.7 °C | 14.8 °C | 60.96 mm |
| November | -4.7 °C | 5.3 °C | 34.54 mm |
| December | -11.2 °C | -2.6 °C | 26.92 mm |
| Annual | 1.6 °C | 12.5 °C | 764.03 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 | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |