| 2023 Hardiness Zone: | 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 10a: 30F to 35F |
| Average First Frost Date: | Jan. 21 - Jan. 31 |
| Average Last Frost Date: | Jan. 21 - Jan. 31 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 93004 - Ventura, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 42 | 43 | 44 | 47 | 50 | 54 | 57 | 58 | 56 | 51 | 45 | 42 | 49 |
| Avg Max Temp (°F) | 67 | 68 | 69 | 72 | 73 | 76 | 80 | 81 | 80 | 77 | 72 | 68 | 73 |
| Avg Precip (In.) | 3.88 | 4.32 | 3.43 | .77 | .21 | .05 | .02 | .08 | .3 | .44 | 1.36 | 2.34 | 17.21 |