| 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 1b: -15F to -10F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 39d - Central Plateau |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 65483 - Houston, MO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 24 | 33 | 42 | 52 | 61 | 65 | 63 | 55 | 43 | 33 | 24 | 43 |
| Avg Max Temp (°F) | 41 | 47 | 57 | 68 | 76 | 83 | 89 | 88 | 80 | 70 | 56 | 45 | 66 |
| Avg Precip (In.) | 2.12 | 2.49 | 3.96 | 4.47 | 4.66 | 3.82 | 3.53 | 3.55 | 3.84 | 3.55 | 4.34 | 3.28 | 43.61 |