Westway, Texas has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 49.3 °F (low) to 78.2 °F (high). Annual precipitation averages 8.8 Inches. Westway is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 30.0 °F | 58.4 °F | 0.34 in. |
| February | 34.3 °F | 63.7 °F | 0.42 in. |
| March | 40.9 °F | 71.4 °F | 0.3 in. |
| April | 47.4 °F | 79.1 °F | 0.16 in. |
| May | 56.1 °F | 87.9 °F | 0.17 in. |
| June | 65.9 °F | 96.5 °F | 0.52 in. |
| July | 69.2 °F | 95.6 °F | 1.64 in. |
| August | 68.1 °F | 93.4 °F | 1.76 in. |
| September | 61.7 °F | 88.3 °F | 1.77 in. |
| October | 50.1 °F | 79.4 °F | 0.67 in. |
| November | 37.7 °F | 67.5 °F | 0.32 in. |
| December | 30.1 °F | 57.7 °F | 0.72 in. |
| Annual | 49.3 °F | 78.2 °F | 8.79 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BWk - Cold Desert Climate |