Patch Grove, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.9 °C (low) to 13.3 °C (high). Annual precipitation averages 967.7 Millimeters. Patch Grove 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 | -12.6 °C | -3.6 °C | 31.75 mm |
| February | -10.7 °C | -0.9 °C | 31.5 mm |
| March | -4.1 °C | 6.1 °C | 51.31 mm |
| April | 2.3 °C | 13.8 °C | 99.82 mm |
| May | 8.9 °C | 20.2 °C | 117.09 mm |
| June | 14.6 °C | 25.4 °C | 149.1 mm |
| July | 16.7 °C | 27.3 °C | 117.86 mm |
| August | 15.5 °C | 26.3 °C | 104.14 mm |
| September | 10.8 °C | 22.6 °C | 98.04 mm |
| October | 4.2 °C | 15.4 °C | 72.64 mm |
| November | -2.5 °C | 6.8 °C | 54.1 mm |
| December | -8.7 °C | -0.3 °C | 40.39 mm |
| Annual | 2.9 °C | 13.3 °C | 967.74 mm |
| 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 : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |