Elmendorf, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.7 °C (low) to 27.7 °C (high). Annual precipitation averages 821.9 Millimeters. Elmendorf 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 Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.6 °C | 18.2 °C | 45.97 mm |
| February | 6.9 °C | 20.6 °C | 43.94 mm |
| March | 10.7 °C | 24 °C | 62.23 mm |
| April | 14.3 °C | 27.6 °C | 67.06 mm |
| May | 19.2 °C | 31.2 °C | 94.23 mm |
| June | 22.3 °C | 34.2 °C | 88.14 mm |
| July | 23.2 °C | 35.7 °C | 48.26 mm |
| August | 23.2 °C | 36.3 °C | 71.63 mm |
| September | 20.7 °C | 33.2 °C | 88.65 mm |
| October | 15.3 °C | 28.9 °C | 87.88 mm |
| November | 9.8 °C | 23.2 °C | 65.28 mm |
| December | 5.6 °C | 18.9 °C | 58.67 mm |
| Annual | 14.7 °C | 27.7 °C | 821.94 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| 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 |