Devers, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.9 °C (low) to 25.9 °C (high). Annual precipitation averages 1552.7 Millimeters. Devers is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.3 °C | 16.7 °C | 124.97 mm |
| February | 7.4 °C | 18.8 °C | 95.5 mm |
| March | 11.1 °C | 22.3 °C | 99.82 mm |
| April | 14.7 °C | 25.6 °C | 107.95 mm |
| May | 19.2 °C | 29.3 °C | 137.16 mm |
| June | 22.5 °C | 32.3 °C | 152.15 mm |
| July | 23.5 °C | 33.5 °C | 128.02 mm |
| August | 23.3 °C | 33.8 °C | 154.94 mm |
| September | 20.7 °C | 31.6 °C | 152.91 mm |
| October | 15.2 °C | 27.4 °C | 150.88 mm |
| November | 9.9 °C | 21.9 °C | 120.65 mm |
| December | 6.4 °C | 17.7 °C | 127.76 mm |
| Annual | 14.9 °C | 25.9 °C | 1552.71 mm |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |