Oconto Falls, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.1 °C (low) to 12.4 °C (high). Annual precipitation averages 836.4 Millimeters. Oconto Falls is located in USDA Plant Hardiness Zone 5a. 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 | -13.3 °C | -3.8 °C | 38.1 mm |
| February | -12.6 °C | -1.8 °C | 29.72 mm |
| March | -6.8 °C | 4.4 °C | 46.23 mm |
| April | -0.1 °C | 12 °C | 81.28 mm |
| May | 6.6 °C | 19.3 °C | 90.93 mm |
| June | 12.2 °C | 24.4 °C | 107.95 mm |
| July | 14.6 °C | 27 °C | 94.49 mm |
| August | 13.5 °C | 25.9 °C | 88.65 mm |
| September | 8.9 °C | 21.8 °C | 88.39 mm |
| October | 2.7 °C | 14.2 °C | 77.22 mm |
| November | -3.2 °C | 6.2 °C | 49.02 mm |
| December | -9.4 °C | -0.9 °C | 44.45 mm |
| Annual | 1.1 °C | 12.4 °C | 836.43 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 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |