| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F | |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F | |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | Mar. 21 - Mar. 31 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 33a - Northern Post Oak Savanna | |
| Current Drought Status: | Extreme Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 75411 - Arthur City, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 30 | 34 | 42 | 50 | 60 | 67 | 71 | 69 | 63 | 51 | 41 | 33 | 51 |
| Avg Max Temp (°F) | 52 | 58 | 66 | 74 | 81 | 89 | 93 | 94 | 87 | 77 | 64 | 54 | 74 |
| Avg Precip (In.) | 2.59 | 3.16 | 4.15 | 3.87 | 5.8 | 4.65 | 3.24 | 2.44 | 4.11 | 4.99 | 4.68 | 3.99 | 47.67 |