East Hemet, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 49.4 °F (low) to 80.2 °F (high). Annual precipitation averages 11.9 Inches. East Hemet is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 40.1 °F | 66.6 °F | 2.53 in. |
| February | 40.5 °F | 66.4 °F | 2.88 in. |
| March | 43.0 °F | 70.3 °F | 1.71 in. |
| April | 45.7 °F | 75.3 °F | 0.74 in. |
| May | 50.9 °F | 81.7 °F | 0.43 in. |
| June | 54.9 °F | 89.8 °F | 0.05 in. |
| July | 60.9 °F | 96.9 °F | 0.15 in. |
| August | 61.8 °F | 98.0 °F | 0.14 in. |
| September | 58.7 °F | 93.5 °F | 0.32 in. |
| October | 51.6 °F | 83.7 °F | 0.54 in. |
| November | 44.9 °F | 73.9 °F | 0.73 in. |
| December | 39.2 °F | 65.8 °F | 1.68 in. |
| Annual | 49.4 °F | 80.2 °F | 11.9 in. |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |