| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F | |
| Average First Frost Date: | Jan. 21 - Jan. 31 | |
| Average Last Frost Date: | Jan. 21 - Jan. 31 | |
| 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 77957 - Edna, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 43 | 46 | 53 | 60 | 67 | 73 | 75 | 74 | 70 | 61 | 52 | 45 | 60 |
| Avg Max Temp (°F) | 63 | 67 | 73 | 79 | 85 | 90 | 93 | 93 | 89 | 83 | 73 | 66 | 79 |
| Avg Precip (In.) | 3.02 | 2.4 | 2.12 | 3.03 | 5.2 | 4.64 | 2.94 | 2.75 | 5.07 | 4.86 | 3.37 | 2.73 | 42.14 |