Edmonson, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 43.8 °F (low) to 72.3 °F (high). Annual precipitation averages 18.7 Inches. Edmonson is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.6 °F | 52.5 °F | 0.58 in. |
| February | 26.5 °F | 56.6 °F | 0.54 in. |
| March | 33.7 °F | 64.7 °F | 1.14 in. |
| April | 41.2 °F | 72.7 °F | 1.23 in. |
| May | 52.0 °F | 80.9 °F | 2.49 in. |
| June | 61.7 °F | 88.9 °F | 2.91 in. |
| July | 65.0 °F | 91.1 °F | 2.19 in. |
| August | 63.7 °F | 89.8 °F | 2.33 in. |
| September | 56.3 °F | 82.9 °F | 2.11 in. |
| October | 44.2 °F | 73.5 °F | 1.65 in. |
| November | 32.3 °F | 61.7 °F | 0.82 in. |
| December | 25.0 °F | 52.7 °F | 0.73 in. |
| Annual | 43.8 °F | 72.3 °F | 18.72 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |