Kernville, California has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 48.4 °F (low) to 76.6 °F (high). Annual precipitation averages 11.4 Inches. Kernville is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.0 °F | 59.2 °F | 2.46 in. |
| February | 37.0 °F | 61.3 °F | 2.5 in. |
| March | 40.3 °F | 65.6 °F | 1.56 in. |
| April | 44.4 °F | 70.9 °F | 0.58 in. |
| May | 52.0 °F | 79.7 °F | 0.27 in. |
| June | 59.8 °F | 89.9 °F | 0.16 in. |
| July | 65.8 °F | 97.5 °F | 0.14 in. |
| August | 64.4 °F | 97.5 °F | 0.11 in. |
| September | 59.4 °F | 91.5 °F | 0.15 in. |
| October | 49.2 °F | 79.7 °F | 0.48 in. |
| November | 40.1 °F | 67.7 °F | 0.93 in. |
| December | 33.8 °F | 58.1 °F | 2.05 in. |
| Annual | 48.4 °F | 76.6 °F | 11.39 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 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 | Abnormally Dry |
| Köppen Climate Classification | BWh - Hot Desert Climate |