Nordheim, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.8 °C (low) to 27.5 °C (high). Annual precipitation averages 831.3 Millimeters. Nordheim 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. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.4 °C | 18.2 °C | 50.55 mm |
| February | 7.6 °C | 20.5 °C | 41.91 mm |
| March | 11.2 °C | 23.7 °C | 66.04 mm |
| April | 14.4 °C | 27.4 °C | 68.83 mm |
| May | 19.2 °C | 30.8 °C | 93.47 mm |
| June | 22.1 °C | 33.8 °C | 86.61 mm |
| July | 22.9 °C | 35.2 °C | 66.55 mm |
| August | 22.7 °C | 35.9 °C | 60.96 mm |
| September | 20.3 °C | 32.9 °C | 101.6 mm |
| October | 15.4 °C | 29.1 °C | 80.26 mm |
| November | 10.2 °C | 23.4 °C | 59.44 mm |
| December | 6.3 °C | 19.2 °C | 55.12 mm |
| Annual | 14.8 °C | 27.5 °C | 831.34 mm |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| 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 |