Nekoosa, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.8 °C (low) to 12.9 °C (high). Annual precipitation averages 861.1 Millimeters. Nekoosa 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 Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -14.6 °C | -3.8 °C | 29.97 mm |
| February | -13.1 °C | -1.2 °C | 27.43 mm |
| March | -6.9 °C | 5.4 °C | 45.72 mm |
| April | 0.1 °C | 13.3 °C | 85.34 mm |
| May | 7.1 °C | 20.1 °C | 101.85 mm |
| June | 12.7 °C | 25.2 °C | 122.94 mm |
| July | 14.6 °C | 27.6 °C | 98.3 mm |
| August | 13.2 °C | 26.3 °C | 103.12 mm |
| September | 8.7 °C | 22.2 °C | 91.44 mm |
| October | 2.4 °C | 14.6 °C | 69.09 mm |
| November | -4 °C | 6.2 °C | 46.74 mm |
| December | -10.4 °C | -1.1 °C | 39.12 mm |
| Annual | 0.8 °C | 12.9 °C | 861.06 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |