| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F | |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F | |
| Average First Frost Date: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 52b - Paleozoic Plateau/Coulee Section | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 53581 - Richland Center, WI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 5 | 10 | 22 | 34 | 44 | 54 | 59 | 57 | 47 | 36 | 24 | 11 | 34 |
| Avg Max Temp (°F) | 26 | 32 | 44 | 58 | 70 | 79 | 83 | 80 | 72 | 61 | 44 | 31 | 57 |
| Avg Precip (In.) | 1.16 | 1.15 | 2.16 | 3.86 | 3.81 | 4.28 | 4.58 | 4.37 | 3.67 | 2.28 | 2.48 | 1.34 | 35.15 |