Inyokern, California has a Hot Desert Climate climate (Köppen classification: BWh). Average annual temperatures range from 9.7 °C (low) to 26.9 °C (high). Annual precipitation averages 106.2 Millimeters. 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 | 0.5 °C | 15.4 °C | 22.1 mm |
| February | 2.3 °C | 17.4 °C | 26.92 mm |
| March | 5 °C | 20.8 °C | 15.75 mm |
| April | 7.9 °C | 25.3 °C | 4.06 mm |
| May | 12.8 °C | 30.4 °C | 1.78 mm |
| June | 17.3 °C | 35.9 °C | 0.25 mm |
| July | 20.7 °C | 39.4 °C | 5.84 mm |
| August | 19.8 °C | 38.9 °C | 2.54 mm |
| September | 16.2 °C | 35.1 °C | 3.05 mm |
| October | 10.2 °C | 28.3 °C | 1.78 mm |
| November | 3.6 °C | 20.4 °C | 6.6 mm |
| December | -0.2 °C | 14.9 °C | 15.49 mm |
| Annual | 9.7 °C | 26.9 °C | 106.16 mm |
| 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 : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BWh - Hot Desert Climate |