| 2023 Hardiness Zone: | Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F | |
| Average First Frost Date: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 47f - Rolling Loess Prairies | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 50864 - Villisca, IA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 16 | 27 | 38 | 50 | 60 | 64 | 62 | 52 | 40 | 27 | 16 | 39 |
| Avg Max Temp (°F) | 31 | 37 | 50 | 62 | 73 | 83 | 87 | 85 | 77 | 65 | 48 | 35 | 61 |
| Avg Precip (In.) | .88 | 1.02 | 2.34 | 3.41 | 4.63 | 4.6 | 4.83 | 4.05 | 4.05 | 2.64 | 2.21 | 1.17 | 35.84 |