Nimrod, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30.6 °F (low) to 50.5 °F (high). Annual precipitation averages 27.5 Inches. 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 | -0.9 °F | 17.9 °F | 0.67 in. |
| February | 2.0 °F | 23.3 °F | 0.7 in. |
| March | 15.6 °F | 36.1 °F | 1.2 in. |
| April | 29.5 °F | 51.5 °F | 2.17 in. |
| May | 42.8 °F | 64.7 °F | 3.49 in. |
| June | 53.6 °F | 73.9 °F | 4.41 in. |
| July | 58.3 °F | 78.9 °F | 4.28 in. |
| August | 55.5 °F | 77.0 °F | 3.03 in. |
| September | 47.1 °F | 68.5 °F | 2.89 in. |
| October | 34.3 °F | 53.4 °F | 2.69 in. |
| November | 21.3 °F | 37.0 °F | 1.11 in. |
| December | 7.5 °F | 23.3 °F | 0.89 in. |
| Annual | 30.6 °F | 50.5 °F | 27.53 in. |
| 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 : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 3b : -35°F to -30°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |