Coyanosa, Texas has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 10.2 °C (low) to 27.4 °C (high). Annual precipitation averages 303 Millimeters. Coyanosa is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.2 °C | 15.9 °C | 14.99 mm |
| February | 1 °C | 19.2 °C | 12.95 mm |
| March | 4.8 °C | 23.6 °C | 13.72 mm |
| April | 9.3 °C | 28.6 °C | 15.24 mm |
| May | 15.1 °C | 33.1 °C | 31.75 mm |
| June | 20.1 °C | 36.7 °C | 29.97 mm |
| July | 21.6 °C | 36.8 °C | 37.59 mm |
| August | 21.1 °C | 36.4 °C | 38.61 mm |
| September | 17 °C | 32.4 °C | 48.77 mm |
| October | 10.8 °C | 28.2 °C | 27.69 mm |
| November | 3.5 °C | 21.3 °C | 16.26 mm |
| December | -0.3 °C | 16.4 °C | 15.49 mm |
| Annual | 10.2 °C | 27.4 °C | 303.03 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |