Lost Hills, California has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 10.1 °C (low) to 25.1 °C (high). Annual precipitation averages 134.6 Millimeters. Lost Hills is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.1 °C | 13.7 °C | 27.69 mm |
| February | 4.6 °C | 17.1 °C | 24.64 mm |
| March | 6.9 °C | 20.6 °C | 21.84 mm |
| April | 8.7 °C | 23.6 °C | 9.14 mm |
| May | 12.5 °C | 28.3 °C | 6.1 mm |
| June | 15.7 °C | 33 °C | 0.51 mm |
| July | 18.8 °C | 35.9 °C | 0.25 mm |
| August | 17.8 °C | 35.9 °C | 0.51 mm |
| September | 15.4 °C | 33.2 °C | 1.27 mm |
| October | 10.7 °C | 27.1 °C | 8.64 mm |
| November | 5.3 °C | 19.2 °C | 10.41 mm |
| December | 2.2 °C | 14 °C | 23.62 mm |
| Annual | 10.1 °C | 25.1 °C | 134.62 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BWk - Cold Desert Climate |