Big Spring, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 10.7 °C (low) to 25.2 °C (high). Annual precipitation averages 468.9 Millimeters. Big Spring 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.4 °C | 14.4 °C | 18.29 mm |
| February | 1.5 °C | 16.8 °C | 19.81 mm |
| March | 5.6 °C | 21.3 °C | 30.23 mm |
| April | 10.1 °C | 25.9 °C | 29.97 mm |
| May | 15.7 °C | 30.6 °C | 61.21 mm |
| June | 20.2 °C | 34.1 °C | 60.45 mm |
| July | 21.6 °C | 35 °C | 44.96 mm |
| August | 21.3 °C | 34.3 °C | 52.58 mm |
| September | 17.3 °C | 30.3 °C | 65.79 mm |
| October | 11.2 °C | 25.9 °C | 39.88 mm |
| November | 4.4 °C | 19.4 °C | 27.43 mm |
| December | 0.1 °C | 14.8 °C | 18.29 mm |
| Annual | 10.7 °C | 25.2 °C | 468.89 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |