California Hot Springs, California has a Hot Semi-Arid Climate climate (Köppen classification: BSh). Average annual temperatures range from 8.5 °C (low) to 21.8 °C (high). Annual precipitation averages 572 Millimeters. California Hot Springs is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.6 °C | 13.4 °C | 107.44 mm |
| February | 2.7 °C | 13.4 °C | 112.27 mm |
| March | 4 °C | 15.8 °C | 89.41 mm |
| April | 5.4 °C | 18.1 °C | 51.05 mm |
| May | 8.9 °C | 23.1 °C | 21.84 mm |
| June | 12.9 °C | 28.8 °C | 7.37 mm |
| July | 17.1 °C | 32.9 °C | 1.78 mm |
| August | 16.8 °C | 32.8 °C | 2.03 mm |
| September | 14.2 °C | 29.8 °C | 3.56 mm |
| October | 9.4 °C | 23.4 °C | 24.38 mm |
| November | 5.3 °C | 17.2 °C | 52.32 mm |
| December | 2.3 °C | 12.8 °C | 98.55 mm |
| Annual | 8.5 °C | 21.8 °C | 572 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSh - Hot Semi-Arid Climate |