| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F 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: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | 25i - Llano Estacado | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 79720 - Big Spring, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 29 | 34 | 41 | 49 | 59 | 67 | 70 | 70 | 62 | 52 | 39 | 31 | 50 |
| Avg Max Temp (°F) | 56 | 62 | 70 | 78 | 86 | 92 | 94 | 93 | 86 | 78 | 66 | 58 | 76 |
| Avg Precip (In.) | .71 | .81 | .71 | 1.34 | 2.94 | 2.53 | 1.77 | 2.3 | 3.47 | 1.76 | .78 | .68 | 19.8 |