Odessa, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 51.5 °F (low) to 78 °F (high). Annual precipitation averages 13.8 Inches. Odessa is located in USDA Plant Hardiness Zone 8b. 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 | 31.6 °F | 58.3 °F | 0.66 in. |
| February | 35.0 °F | 63.4 °F | 0.61 in. |
| March | 42.3 °F | 71.3 °F | 0.83 in. |
| April | 50.1 °F | 79.9 °F | 0.81 in. |
| May | 60.0 °F | 87.6 °F | 1.57 in. |
| June | 68.6 °F | 94.4 °F | 1.64 in. |
| July | 71.0 °F | 95.1 °F | 1.3 in. |
| August | 70.2 °F | 94.2 °F | 1.73 in. |
| September | 63.2 °F | 87.0 °F | 1.85 in. |
| October | 52.5 °F | 79.0 °F | 1.29 in. |
| November | 40.5 °F | 67.0 °F | 0.8 in. |
| December | 32.4 °F | 59.1 °F | 0.71 in. |
| Annual | 51.5 °F | 78 °F | 13.8 in. |
| 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 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |