Littlefield, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 6.8 °C (low) to 23.5 °C (high). Annual precipitation averages 459.2 Millimeters. Littlefield 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 | -4.4 °C | 12.3 °C | 14.73 mm |
| February | -2.8 °C | 14.8 °C | 13.97 mm |
| March | 1.2 °C | 19.3 °C | 26.42 mm |
| April | 5.3 °C | 23.9 °C | 26.67 mm |
| May | 11.3 °C | 28.5 °C | 54.36 mm |
| June | 16.7 °C | 32.9 °C | 73.66 mm |
| July | 18.5 °C | 33.7 °C | 55.37 mm |
| August | 17.7 °C | 32.8 °C | 59.18 mm |
| September | 13.6 °C | 29.1 °C | 61.72 mm |
| October | 7 °C | 23.9 °C | 35.81 mm |
| November | 0.4 °C | 17.4 °C | 20.07 mm |
| December | -3.4 °C | 12.8 °C | 17.27 mm |
| Annual | 6.8 °C | 23.5 °C | 459.23 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 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 |