Colmesneil, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.5 °C (low) to 25.8 °C (high). Annual precipitation averages 1427.7 Millimeters. Colmesneil is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.7 °C | 16.1 °C | 127 mm |
| February | 5.7 °C | 18.2 °C | 107.19 mm |
| March | 9.3 °C | 22.1 °C | 116.84 mm |
| April | 12.9 °C | 25.6 °C | 112.27 mm |
| May | 17.8 °C | 29.5 °C | 118.87 mm |
| June | 21.3 °C | 32.8 °C | 135.64 mm |
| July | 22.4 °C | 34.3 °C | 105.66 mm |
| August | 22.1 °C | 34.6 °C | 109.73 mm |
| September | 19.5 °C | 31.9 °C | 104.9 mm |
| October | 13.7 °C | 27.1 °C | 130.3 mm |
| November | 8.6 °C | 21.1 °C | 122.43 mm |
| December | 4.7 °C | 16.8 °C | 136.91 mm |
| Annual | 13.5 °C | 25.8 °C | 1427.74 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |