| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 8a: 10°F to 15°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 8a: 10°F to 15°F | |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | May 21 - May 31 | |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 91962 - Pine Valley, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 30 | 31 | 33 | 36 | 40 | 47 | 53 | 53 | 49 | 41 | 33 | 29 | 40 |
| Avg Max Temp (°F) | 53 | 54 | 56 | 62 | 68 | 79 | 85 | 85 | 80 | 70 | 60 | 53 | 67 |
| Avg Precip (In.) | 5.54 | 5.44 | 6 | 1.91 | .84 | .17 | .34 | .71 | .67 | 1.37 | 2.42 | 3.13 | 28.56 |