Oconto Falls, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34 °F (low) to 54.3 °F (high). Annual precipitation averages 32.9 Inches. 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 | 8.0 °F | 25.2 °F | 1.5 in. |
| February | 9.3 °F | 28.7 °F | 1.17 in. |
| March | 19.8 °F | 39.9 °F | 1.82 in. |
| April | 31.9 °F | 53.6 °F | 3.2 in. |
| May | 43.9 °F | 66.7 °F | 3.58 in. |
| June | 53.9 °F | 76.0 °F | 4.25 in. |
| July | 58.2 °F | 80.6 °F | 3.72 in. |
| August | 56.3 °F | 78.7 °F | 3.49 in. |
| September | 48.1 °F | 71.2 °F | 3.48 in. |
| October | 36.8 °F | 57.5 °F | 3.04 in. |
| November | 26.3 °F | 43.2 °F | 1.93 in. |
| December | 15.1 °F | 30.3 °F | 1.75 in. |
| Annual | 34 °F | 54.3 °F | 32.93 in. |
| 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 : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |