| 2023 Hardiness Zone: | Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F |
| 2012 Hardiness Zone: | Zone 9b: 25°F to 30°F Zone 10a: 30°F to 35°F |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F |
| Average First Frost Date: | No Frost |
| Average Last Frost Date: | Frost Rare |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 94564 - Pinole, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 41 | 44 | 46 | 48 | 51 | 54 | 56 | 57 | 56 | 52 | 47 | 41 | 49 |
| Avg Max Temp (°F) | 56 | 61 | 63 | 67 | 70 | 74 | 76 | 76 | 76 | 73 | 64 | 57 | 68 |
| Avg Precip (In.) | 5.06 | 4.49 | 3.59 | 1.47 | .61 | .13 | .07 | .08 | .28 | 1.32 | 3.21 | 3.49 | 23.79 |