| 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 | |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F | |
| Average First Frost Date: | November 11 - 20 | |
| Average Last Frost Date: | March 21 - 31 | |
| Koppen-Geiger Climate Zone: | BSh - Hot Semi-Arid Climate | |
| Ecoregion: | 27h - Red Prairie | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 76904 - San Angelo, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 31 | 35 | 42 | 50 | 60 | 67 | 70 | 69 | 62 | 52 | 41 | 32 | 51 |
| Avg Max Temp (°F) | 58 | 63 | 71 | 79 | 86 | 91 | 95 | 93 | 87 | 78 | 67 | 59 | 77 |
| Avg Precip (In.) | .81 | 1.16 | .98 | 1.61 | 3.09 | 2.57 | 1.06 | 2.05 | 3.03 | 2.5 | 1.07 | .93 | 20.85 |