Falcon Heights, Texas has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 17.3 °C (low) to 30.8 °C (high). Annual precipitation averages 527.6 Millimeters. Falcon Heights is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 21 - Dec. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 8.4 °C | 21.6 °C | 19.81 mm |
| February | 10.7 °C | 24.2 °C | 15.75 mm |
| March | 14.1 °C | 28.2 °C | 20.83 mm |
| April | 17.7 °C | 32 °C | 32.26 mm |
| May | 21.5 °C | 35 °C | 56.9 mm |
| June | 23.7 °C | 37.6 °C | 59.69 mm |
| July | 24.2 °C | 38 °C | 45.47 mm |
| August | 24.1 °C | 38.4 °C | 41.15 mm |
| September | 22.2 °C | 35.1 °C | 128.27 mm |
| October | 18.1 °C | 31.7 °C | 48.77 mm |
| November | 13.1 °C | 26.2 °C | 33.78 mm |
| December | 9.2 °C | 21.8 °C | 24.89 mm |
| Annual | 17.3 °C | 30.8 °C | 527.57 mm |
| Average First Frost Date | Dec. 21 - Dec. 31 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |