| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| Average First Frost Date: | Nov. 1 - Nov. 10 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 29c - Western Cross Timbers |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 76431 - Chico, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 30 | 35 | 43 | 50 | 59 | 67 | 71 | 69 | 62 | 51 | 41 | 32 | 51 |
| Avg Max Temp (°F) | 55 | 61 | 69 | 77 | 84 | 91 | 97 | 97 | 89 | 79 | 66 | 57 | 77 |
| Avg Precip (In.) | 1.54 | 2.05 | 2.67 | 2.85 | 5.25 | 3.57 | 2.21 | 2.1 | 3.14 | 4.2 | 2.33 | 2.04 | 33.94 |