| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F | |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F | |
| Average First Frost Date: | Dec. 11 - Dec. 20 | |
| Average Last Frost Date: | Feb. 11 - Feb. 20 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 34a - Northern Humid Gulf Coastal Prairies | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 77442 - Garwood, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 41 | 44 | 51 | 58 | 65 | 71 | 73 | 72 | 68 | 59 | 50 | 43 | 58 |
| Avg Max Temp (°F) | 63 | 67 | 74 | 80 | 86 | 91 | 95 | 95 | 91 | 83 | 73 | 65 | 80 |
| Avg Precip (In.) | 3.33 | 2.63 | 2.74 | 3.14 | 5.12 | 4.63 | 2.82 | 3.28 | 4.88 | 4.35 | 3.73 | 3.1 | 43.75 |