Hitterdal, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.4 °C (low) to 10.7 °C (high). Annual precipitation averages 636.8 Millimeters. Hitterdal is located in USDA Plant Hardiness Zone 4a. 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 | -18 °C | -8.4 °C | 17.02 mm |
| February | -16.7 °C | -5.8 °C | 16.26 mm |
| March | -8.4 °C | 1.5 °C | 24.13 mm |
| April | -0.5 °C | 11.1 °C | 37.85 mm |
| May | 6.4 °C | 19.6 °C | 78.74 mm |
| June | 12.6 °C | 24.8 °C | 108.97 mm |
| July | 15.1 °C | 26.9 °C | 92.2 mm |
| August | 13.6 °C | 26.2 °C | 76.45 mm |
| September | 8.9 °C | 21.3 °C | 77.98 mm |
| October | 1.6 °C | 12.6 °C | 65.28 mm |
| November | -6.2 °C | 2.9 °C | 21.59 mm |
| December | -13.6 °C | -4.6 °C | 20.32 mm |
| Annual | -0.4 °C | 10.7 °C | 636.79 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 4a : -34.4°C to -31.7°C |
| Plant Hardiness Zone - 2012 | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |