George West, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 16 °C (low) to 28.5 °C (high). Annual precipitation averages 683.5 Millimeters. George West is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.6 °C | 19.6 °C | 41.15 mm |
| February | 8.9 °C | 21.7 °C | 36.07 mm |
| March | 12.6 °C | 24.9 °C | 55.12 mm |
| April | 15.8 °C | 28.6 °C | 51.82 mm |
| May | 20.3 °C | 31.9 °C | 81.03 mm |
| June | 23.1 °C | 34.9 °C | 65.79 mm |
| July | 23.7 °C | 35.9 °C | 72.14 mm |
| August | 23.7 °C | 36.8 °C | 48.26 mm |
| September | 21.4 °C | 33.7 °C | 103.38 mm |
| October | 16.7 °C | 29.9 °C | 50.8 mm |
| November | 11.3 °C | 24.3 °C | 36.83 mm |
| December | 7.6 °C | 20.3 °C | 41.15 mm |
| Annual | 16 °C | 28.5 °C | 683.54 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |