Ector, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.4 °C (low) to 23.4 °C (high). Annual precipitation averages 1133.4 Millimeters. Ector 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.1 °C | 11.9 °C | 67.82 mm |
| February | 2.1 °C | 14.2 °C | 78.23 mm |
| March | 6.2 °C | 18.5 °C | 100.84 mm |
| April | 10.4 °C | 22.7 °C | 97.28 mm |
| May | 15.9 °C | 26.8 °C | 138.43 mm |
| June | 20.5 °C | 31.4 °C | 105.41 mm |
| July | 22.7 °C | 34.2 °C | 70.1 mm |
| August | 22.1 °C | 34.4 °C | 70.1 mm |
| September | 18.1 °C | 30.6 °C | 99.57 mm |
| October | 11.7 °C | 24.8 °C | 115.32 mm |
| November | 6 °C | 18.2 °C | 95.25 mm |
| December | 1.4 °C | 13 °C | 95 mm |
| Annual | 11.4 °C | 23.4 °C | 1133.35 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |