| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F | |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 27a - Smoky Hills | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 67431 - Chapman, KS | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 22 | 32 | 42 | 53 | 63 | 68 | 66 | 56 | 44 | 32 | 21 | 43 |
| Avg Max Temp (°F) | 39 | 46 | 57 | 68 | 77 | 87 | 92 | 91 | 82 | 71 | 54 | 43 | 67 |
| Avg Precip (In.) | .81 | 1.03 | 2.59 | 2.94 | 4.73 | 4.64 | 4.4 | 3.43 | 2.98 | 2.69 | 1.99 | 1.17 | 33.4 |