| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F 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: | Nov. 11 - Nov. 20 | |
| Average Last Frost Date: | Apr. 1 - Apr. 10 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 92544 - Hemet, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 38 | 40 | 42 | 48 | 53 | 58 | 60 | 56 | 48 | 41 | 36 | 46 |
| Avg Max Temp (°F) | 65 | 66 | 68 | 74 | 81 | 89 | 97 | 98 | 92 | 83 | 72 | 65 | 79 |
| Avg Precip (In.) | 3.02 | 2.92 | 2.72 | .88 | .53 | .12 | .25 | .46 | .48 | .54 | 1.05 | 1.56 | 14.54 |