Antigo, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.5 °C (low) to 10.8 °C (high). Annual precipitation averages 763.8 Millimeters. Antigo is located in USDA Plant Hardiness Zone 4b. 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 | -15.8 °C | -5.8 °C | 23.37 mm |
| February | -14.9 °C | -3.3 °C | 20.07 mm |
| March | -8.8 °C | 3.1 °C | 34.8 mm |
| April | -1.4 °C | 10.6 °C | 67.56 mm |
| May | 5.6 °C | 18.2 °C | 85.6 mm |
| June | 11.3 °C | 23.3 °C | 108.71 mm |
| July | 13.2 °C | 25.6 °C | 92.2 mm |
| August | 12.2 °C | 24.6 °C | 85.6 mm |
| September | 7.8 °C | 20.2 °C | 91.69 mm |
| October | 1.6 °C | 12.5 °C | 76.71 mm |
| November | -4.7 °C | 4 °C | 44.2 mm |
| December | -11.7 °C | -2.9 °C | 33.27 mm |
| Annual | -0.5 °C | 10.8 °C | 763.78 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |