Nett Lake, Minnesota has a Humid Continental Mild Summer With Dry Winters climate (Köppen classification: Dwb). Average annual temperatures range from 26.6 °F (low) to 49.6 °F (high). Annual precipitation averages 27.3 Inches. Nett Lake is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.1 °F | 16.9 °F | 0.92 in. |
| February | -2.0 °F | 23.6 °F | 0.71 in. |
| March | 11.7 °F | 36.9 °F | 1.04 in. |
| April | 25.7 °F | 50.7 °F | 1.88 in. |
| May | 38.2 °F | 64.5 °F | 3.12 in. |
| June | 48.5 °F | 73.5 °F | 4.07 in. |
| July | 53.0 °F | 77.5 °F | 3.96 in. |
| August | 51.0 °F | 76.0 °F | 3.16 in. |
| September | 43.1 °F | 66.8 °F | 3.34 in. |
| October | 31.8 °F | 51.8 °F | 2.51 in. |
| November | 18.9 °F | 35.0 °F | 1.55 in. |
| December | 4.0 °F | 21.9 °F | 1.07 in. |
| Annual | 26.6 °F | 49.6 °F | 27.33 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -35°F to -30°F |
| Plant Hardiness Zone - 2012 | Zone 3a : -40°F to -35°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dwb - Humid Continental Mild Summer With Dry Winters |