Fort Davis, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 7.8 °C (low) to 24.6 °C (high). Annual precipitation averages 394.2 Millimeters. Fort Davis is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.6 °C | 15.5 °C | 12.19 mm |
| February | 0.3 °C | 17.8 °C | 9.91 mm |
| March | 3.2 °C | 21.6 °C | 9.91 mm |
| April | 6.9 °C | 25.6 °C | 14.22 mm |
| May | 11.8 °C | 29.5 °C | 29.21 mm |
| June | 16.3 °C | 32.7 °C | 57.15 mm |
| July | 17.2 °C | 31.8 °C | 75.69 mm |
| August | 16.6 °C | 31.2 °C | 73.91 mm |
| September | 13.3 °C | 28.4 °C | 53.09 mm |
| October | 8.1 °C | 25.3 °C | 32 mm |
| November | 2.2 °C | 19.8 °C | 14.99 mm |
| December | -1 °C | 15.9 °C | 11.94 mm |
| Annual | 7.8 °C | 24.6 °C | 394.21 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |