| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F | |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 27d - Wellington-McPherson Lowland | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 67114 - Newton, KS | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 19 | 24 | 33 | 43 | 54 | 64 | 69 | 67 | 58 | 47 | 33 | 23 | 44 |
| Avg Max Temp (°F) | 39 | 46 | 56 | 66 | 76 | 87 | 93 | 91 | 82 | 70 | 53 | 42 | 67 |
| Avg Precip (In.) | .79 | .98 | 2.68 | 2.82 | 4.69 | 4.36 | 3.46 | 3.29 | 3.01 | 2.53 | 2.19 | 1.19 | 32 |