| 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: | Nov. 21 - Nov. 30 | |
| Average Last Frost Date: | Mar. 1 - Mar. 10 | |
| 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 77484 - Waller, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 40 | 43 | 50 | 57 | 65 | 70 | 72 | 72 | 67 | 58 | 49 | 41 | 57 |
| Avg Max Temp (°F) | 61 | 65 | 72 | 79 | 85 | 91 | 95 | 95 | 90 | 82 | 71 | 63 | 79 |
| Avg Precip (In.) | 3.27 | 2.76 | 2.84 | 3.36 | 4.94 | 4.26 | 2.29 | 2.8 | 4.91 | 3.6 | 4.19 | 3.35 | 42.57 |