Opdyke West, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 7.3 °C (low) to 23.5 °C (high). Annual precipitation averages 464.3 Millimeters. Opdyke West is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.8 °C | 12.5 °C | 16 mm |
| February | -2.2 °C | 15.1 °C | 14.99 mm |
| March | 1.8 °C | 19.6 °C | 28.7 mm |
| April | 6.1 °C | 23.9 °C | 26.16 mm |
| May | 12 °C | 28.6 °C | 58.42 mm |
| June | 17.2 °C | 32.8 °C | 65.79 mm |
| July | 18.9 °C | 33.6 °C | 53.59 mm |
| August | 18.1 °C | 32.7 °C | 57.4 mm |
| September | 14.1 °C | 28.8 °C | 62.99 mm |
| October | 7.6 °C | 24 °C | 39.12 mm |
| November | 1 °C | 17.6 °C | 21.84 mm |
| December | -2.9 °C | 12.9 °C | 19.3 mm |
| Annual | 7.3 °C | 23.5 °C | 464.3 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |