Charlotte, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.8 °C (low) to 28.3 °C (high). Annual precipitation averages 682.2 Millimeters. Charlotte is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5 °C | 18.9 °C | 35.05 mm |
| February | 7.3 °C | 21.5 °C | 40.89 mm |
| March | 11 °C | 24.9 °C | 59.69 mm |
| April | 14.6 °C | 28.6 °C | 50.55 mm |
| May | 19.1 °C | 31.8 °C | 81.03 mm |
| June | 22.2 °C | 34.8 °C | 72.9 mm |
| July | 22.9 °C | 36.1 °C | 47.24 mm |
| August | 22.9 °C | 36.6 °C | 53.34 mm |
| September | 20.5 °C | 33.5 °C | 84.33 mm |
| October | 15.7 °C | 29.7 °C | 67.82 mm |
| November | 10.2 °C | 23.8 °C | 47.24 mm |
| December | 6 °C | 19.6 °C | 42.16 mm |
| Annual | 14.8 °C | 28.3 °C | 682.24 mm |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |