Allensworth, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 48.5 °F (low) to 76.8 °F (high). Annual precipitation averages 7.6 Inches. Allensworth is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.7 °F | 56.0 °F | 1.57 in. |
| February | 38.4 °F | 62.1 °F | 1.38 in. |
| March | 42.3 °F | 68.3 °F | 1.28 in. |
| April | 46.0 °F | 73.9 °F | 0.61 in. |
| May | 52.9 °F | 83.0 °F | 0.3 in. |
| June | 58.8 °F | 91.0 °F | 0.07 in. |
| July | 64.5 °F | 96.7 °F | 0.01 in. |
| August | 62.5 °F | 95.9 °F | 0.02 in. |
| September | 57.8 °F | 91.2 °F | 0.05 in. |
| October | 48.9 °F | 80.8 °F | 0.4 in. |
| November | 39.6 °F | 66.6 °F | 0.64 in. |
| December | 34.2 °F | 56.5 °F | 1.3 in. |
| Annual | 48.5 °F | 76.8 °F | 7.63 in. |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |