Mazeppa, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.1 °F (low) to 54.9 °F (high). Annual precipitation averages 34.9 Inches. Mazeppa is located in USDA Plant Hardiness Zone 4b. 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 | 5.8 °F | 23.4 °F | 0.96 in. |
| February | 9.5 °F | 28.2 °F | 0.98 in. |
| March | 22.0 °F | 40.7 °F | 1.86 in. |
| April | 34.3 °F | 56.0 °F | 3.26 in. |
| May | 46.6 °F | 68.3 °F | 4.42 in. |
| June | 57.0 °F | 77.7 °F | 5.3 in. |
| July | 60.8 °F | 81.7 °F | 4.23 in. |
| August | 58.4 °F | 79.5 °F | 4.83 in. |
| September | 50.3 °F | 72.8 °F | 3.7 in. |
| October | 37.7 °F | 59.3 °F | 2.49 in. |
| November | 25.4 °F | 42.4 °F | 1.64 in. |
| December | 13.5 °F | 29.1 °F | 1.22 in. |
| Annual | 35.1 °F | 54.9 °F | 34.89 in. |
| 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 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |