Littlefield, Arizona has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 52.6 °F (low) to 82.5 °F (high). Annual precipitation averages 7.4 Inches. Littlefield is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.9 °F | 60.0 °F | 0.8 in. |
| February | 37.4 °F | 64.5 °F | 1.25 in. |
| March | 43.6 °F | 72.7 °F | 0.83 in. |
| April | 49.5 °F | 80.0 °F | 0.51 in. |
| May | 58.5 °F | 90.3 °F | 0.24 in. |
| June | 67.0 °F | 101.3 °F | 0.12 in. |
| July | 75.0 °F | 106.5 °F | 0.43 in. |
| August | 74.3 °F | 105.0 °F | 0.57 in. |
| September | 65.2 °F | 97.9 °F | 0.44 in. |
| October | 52.8 °F | 84.3 °F | 0.74 in. |
| November | 40.6 °F | 69.4 °F | 0.58 in. |
| December | 33.4 °F | 58.2 °F | 0.91 in. |
| Annual | 52.6 °F | 82.5 °F | 7.42 in. |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |