Nimrod, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.8 °C (low) to 10.3 °C (high). Annual precipitation averages 699.3 Millimeters. Nimrod is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -18.3 °C | -7.8 °C | 17.02 mm |
| February | -16.7 °C | -4.8 °C | 17.78 mm |
| March | -9.1 °C | 2.3 °C | 30.48 mm |
| April | -1.4 °C | 10.8 °C | 55.12 mm |
| May | 6 °C | 18.2 °C | 88.65 mm |
| June | 12 °C | 23.3 °C | 112.01 mm |
| July | 14.6 °C | 26.1 °C | 108.71 mm |
| August | 13.1 °C | 25 °C | 76.96 mm |
| September | 8.4 °C | 20.3 °C | 73.41 mm |
| October | 1.3 °C | 11.9 °C | 68.33 mm |
| November | -5.9 °C | 2.8 °C | 28.19 mm |
| December | -13.6 °C | -4.8 °C | 22.61 mm |
| Annual | -0.8 °C | 10.3 °C | 699.27 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 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 | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |