Littlerock, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 47.5 °F (low) to 76.4 °F (high). Annual precipitation averages 7 Inches. Littlerock is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 34.4 °F | 58.8 °F | 1.33 in. |
| February | 36.1 °F | 61.3 °F | 1.79 in. |
| March | 39.8 °F | 67.1 °F | 1.0 in. |
| April | 43.5 °F | 72.4 °F | 0.37 in. |
| May | 50.6 °F | 80.6 °F | 0.15 in. |
| June | 58.0 °F | 90.2 °F | 0.08 in. |
| July | 64.5 °F | 96.2 °F | 0.13 in. |
| August | 63.5 °F | 96.4 °F | 0.05 in. |
| September | 57.9 °F | 90.4 °F | 0.16 in. |
| October | 48.6 °F | 79.3 °F | 0.3 in. |
| November | 39.2 °F | 67.0 °F | 0.38 in. |
| December | 33.3 °F | 57.5 °F | 1.22 in. |
| Annual | 47.5 °F | 76.4 °F | 6.96 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |