West Odessa, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 10.7 °C (low) to 25.6 °C (high). Annual precipitation averages 340.9 Millimeters. West Odessa is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.4 °C | 14.6 °C | 16.76 mm |
| February | 1.6 °C | 17.3 °C | 14.99 mm |
| March | 5.6 °C | 21.8 °C | 19.3 mm |
| April | 9.9 °C | 26.6 °C | 19.05 mm |
| May | 15.4 °C | 30.8 °C | 40.64 mm |
| June | 20.1 °C | 34.8 °C | 38.1 mm |
| July | 21.6 °C | 35.1 °C | 33.78 mm |
| August | 21.1 °C | 34.6 °C | 40.39 mm |
| September | 17.2 °C | 30.6 °C | 49.53 mm |
| October | 11.3 °C | 26.1 °C | 32.77 mm |
| November | 4.6 °C | 19.4 °C | 18.03 mm |
| December | 0.1 °C | 15 °C | 17.53 mm |
| Annual | 10.7 °C | 25.6 °C | 340.87 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |