| 2023 Hardiness Zone: | Zone 9b: 25°F to 30°F | |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F | |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F | |
| Average First Frost Date: | Frost Rare | |
| Average Last Frost Date: | Frost Rare | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 34a - Northern Humid Gulf Coastal Prairies | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 77598 - Webster, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 43 | 46 | 53 | 59 | 67 | 72 | 74 | 74 | 70 | 60 | 52 | 45 | 60 |
| Avg Max Temp (°F) | 63 | 66 | 73 | 78 | 85 | 90 | 92 | 93 | 89 | 81 | 72 | 65 | 79 |
| Avg Precip (In.) | 4.41 | 3 | 3.26 | 3.37 | 4.99 | 6.27 | 4.37 | 4.24 | 6.01 | 4.41 | 4.58 | 3.69 | 52.6 |