De Soto, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37.9 °F (low) to 56.8 °F (high). Annual precipitation averages 37.9 Inches. De Soto is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 10.1 °F | 26.4 °F | 1.31 in. |
| February | 13.6 °F | 31.0 °F | 1.21 in. |
| March | 25.0 °F | 43.4 °F | 2.02 in. |
| April | 36.8 °F | 57.7 °F | 4.0 in. |
| May | 48.4 °F | 69.8 °F | 5.0 in. |
| June | 58.7 °F | 79.2 °F | 5.69 in. |
| July | 62.8 °F | 82.7 °F | 4.38 in. |
| August | 60.7 °F | 80.9 °F | 4.22 in. |
| September | 52.5 °F | 73.8 °F | 3.81 in. |
| October | 40.4 °F | 60.5 °F | 2.65 in. |
| November | 28.4 °F | 44.7 °F | 2.08 in. |
| December | 17.2 °F | 31.9 °F | 1.53 in. |
| Annual | 37.9 °F | 56.8 °F | 37.9 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |