| 2023 Hardiness Zone: | Zone 10a: 30°F to 35°F | |
| 2012 Hardiness Zone: | Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°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: | 34h - Mid-Coast Barrier Islands and Coastal Marshes | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 78373 - Port Aransas, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 45 | 49 | 56 | 63 | 71 | 76 | 77 | 77 | 73 | 65 | 55 | 47 | 63 |
| Avg Max Temp (°F) | 64 | 67 | 72 | 78 | 83 | 88 | 91 | 91 | 88 | 82 | 73 | 66 | 79 |
| Avg Precip (In.) | 2.33 | 2.14 | 2.11 | 2.04 | 3.73 | 3.67 | 2.45 | 3.31 | 5.52 | 4.3 | 2.49 | 1.89 | 35.98 |