| 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 8a: 10F to 15F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | Apr. 1 - Apr. 10 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 27j - Limestone Plains | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 76801 - Brownwood, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 30 | 35 | 43 | 51 | 61 | 68 | 71 | 70 | 63 | 53 | 42 | 33 | 52 |
| Avg Max Temp (°F) | 57 | 62 | 70 | 78 | 84 | 91 | 95 | 95 | 89 | 80 | 67 | 60 | 77 |
| Avg Precip (In.) | 1.26 | 2.02 | 2.05 | 2.44 | 3.63 | 3.76 | 1.8 | 2.28 | 2.71 | 3.04 | 1.62 | 1.72 | 28.33 |