Crowell, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.9 °C (low) to 24.8 °C (high). Annual precipitation averages 654.3 Millimeters. Crowell is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.3 °C | 12.8 °C | 27.94 mm |
| February | -0.4 °C | 15.1 °C | 29.72 mm |
| March | 4.3 °C | 20.1 °C | 43.69 mm |
| April | 8.7 °C | 24.9 °C | 62.48 mm |
| May | 14.8 °C | 29.5 °C | 100.08 mm |
| June | 20 °C | 33.9 °C | 93.47 mm |
| July | 22.1 °C | 36.4 °C | 45.72 mm |
| August | 21.4 °C | 36.1 °C | 60.2 mm |
| September | 17.1 °C | 31.4 °C | 68.83 mm |
| October | 10.3 °C | 25.7 °C | 57.91 mm |
| November | 3.7 °C | 18.7 °C | 38.86 mm |
| December | -1.4 °C | 13.3 °C | 25.4 mm |
| Annual | 9.9 °C | 24.8 °C | 654.3 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |