| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F | |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F | |
| Average First Frost Date: | Dec. 11 - Dec. 20 | |
| Average Last Frost Date: | Feb. 11 - Feb. 20 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 33f - Floodplains and Low Terraces | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 78934 - Columbus, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 38 | 41 | 48 | 55 | 64 | 69 | 71 | 70 | 65 | 55 | 47 | 39 | 55 |
| Avg Max Temp (°F) | 63 | 68 | 75 | 81 | 87 | 92 | 96 | 97 | 92 | 85 | 74 | 66 | 81 |
| Avg Precip (In.) | 3.58 | 2.79 | 2.89 | 3.46 | 5.66 | 4.81 | 2.59 | 3.04 | 4.07 | 4.16 | 3.94 | 3.19 | 44.18 |