Park Falls, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1.2 °C (low) to 10.5 °C (high). Annual precipitation averages 845.8 Millimeters. Park Falls 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 | -17 °C | -6.4 °C | 28.19 mm |
| February | -15.9 °C | -3.5 °C | 25.4 mm |
| March | -9.7 °C | 2.9 °C | 42.42 mm |
| April | -2.2 °C | 10.3 °C | 73.41 mm |
| May | 5 °C | 18.1 °C | 96.01 mm |
| June | 10.6 °C | 23.2 °C | 118.87 mm |
| July | 13.1 °C | 25.4 °C | 106.68 mm |
| August | 11.7 °C | 24.3 °C | 91.19 mm |
| September | 7.6 °C | 19.8 °C | 93.22 mm |
| October | 1 °C | 11.8 °C | 86.61 mm |
| November | -5.6 °C | 3.3 °C | 48.51 mm |
| December | -12.5 °C | -3.6 °C | 35.31 mm |
| Annual | -1.2 °C | 10.5 °C | 845.82 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 4a : -34.4°C to -31.7°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |