| 2023 Hardiness Zone: | Zone 9b: 25°F to 30°F | |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F | |
| Average First Frost Date: | Dec. 1 - Dec. 10 | |
| Average Last Frost Date: | Feb. 21 - Feb. 29 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 92545 - Hemet, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 36 | 38 | 40 | 43 | 49 | 53 | 58 | 59 | 55 | 48 | 40 | 35 | 46 |
| Avg Max Temp (°F) | 66 | 68 | 69 | 75 | 82 | 90 | 99 | 100 | 94 | 85 | 74 | 66 | 81 |
| Avg Precip (In.) | 2.72 | 2.56 | 2.29 | .72 | .4 | .12 | .17 | .35 | .39 | .45 | .85 | 1.22 | 12.24 |