| 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. 11 - Nov. 20 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 29e - Limestone Cut Plain |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 76043 - Glen Rose, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 30 | 35 | 43 | 51 | 60 | 67 | 70 | 69 | 63 | 52 | 41 | 32 | 51 |
| Avg Max Temp (°F) | 58 | 64 | 72 | 79 | 86 | 93 | 97 | 97 | 90 | 81 | 69 | 60 | 79 |
| Avg Precip (In.) | 1.6 | 2.1 | 2.65 | 2.86 | 4.83 | 3.87 | 1.97 | 2.19 | 2.93 | 3.49 | 2.06 | 2.19 | 32.73 |