| 2023 Hardiness Zone: | 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: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 77465 - Palacios, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 44 | 47 | 54 | 61 | 69 | 75 | 77 | 76 | 71 | 62 | 53 | 46 | 61 |
| Avg Max Temp (°F) | 62 | 65 | 71 | 77 | 83 | 88 | 90 | 91 | 88 | 81 | 72 | 65 | 78 |
| Avg Precip (In.) | 3.25 | 2.49 | 2.64 | 2.79 | 4.56 | 4.45 | 3.86 | 3.34 | 6.36 | 4.87 | 3.51 | 3.01 | 45.15 |