Inyokern, California has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 49.4 °F (low) to 80.4 °F (high). Annual precipitation averages 4.2 Inches. Inyokern is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 32.9 °F | 59.7 °F | 0.87 in. |
| February | 36.2 °F | 63.4 °F | 1.06 in. |
| March | 41.0 °F | 69.5 °F | 0.62 in. |
| April | 46.3 °F | 77.6 °F | 0.16 in. |
| May | 55.1 °F | 86.8 °F | 0.07 in. |
| June | 63.2 °F | 96.6 °F | 0.01 in. |
| July | 69.3 °F | 102.9 °F | 0.23 in. |
| August | 67.7 °F | 102.1 °F | 0.1 in. |
| September | 61.1 °F | 95.1 °F | 0.12 in. |
| October | 50.3 °F | 83.0 °F | 0.07 in. |
| November | 38.5 °F | 68.8 °F | 0.26 in. |
| December | 31.7 °F | 58.9 °F | 0.61 in. |
| Annual | 49.4 °F | 80.4 °F | 4.18 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BWh - Hot Desert Climate |