High Forest, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.8 °C (low) to 12.1 °C (high). Annual precipitation averages 883.4 Millimeters. High Forest 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 | -14.3 °C | -5.4 °C | 24.38 mm |
| February | -12.2 °C | -2.9 °C | 25.4 mm |
| March | -5.5 °C | 4 °C | 46.23 mm |
| April | 1.4 °C | 12.6 °C | 90.68 mm |
| May | 8.2 °C | 19.5 °C | 114.81 mm |
| June | 14.1 °C | 25.1 °C | 139.7 mm |
| July | 15.9 °C | 26.8 °C | 109.98 mm |
| August | 14.6 °C | 25.6 °C | 106.93 mm |
| September | 10 °C | 22.1 °C | 89.41 mm |
| October | 3.1 °C | 14.5 °C | 63.25 mm |
| November | -3.7 °C | 5.4 °C | 41.15 mm |
| December | -10.3 °C | -2.2 °C | 31.5 mm |
| Annual | 1.8 °C | 12.1 °C | 883.42 mm |
| 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 : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |