| 2023 Hardiness Zone: | Zone 10b: 35°F to 40°F Zone 10a: 30°F to 35°F |
| 2012 Hardiness Zone: | Zone 10a: 30°F to 35°F |
| 1990 Hardiness Zone: | Zone 10a: 30F to 35F |
| Average First Frost Date: | Frost Rare |
| 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 93110 - Santa Barbara, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 42 | 44 | 45 | 47 | 50 | 53 | 56 | 57 | 56 | 52 | 46 | 41 | 49 |
| Avg Max Temp (°F) | 63 | 64 | 65 | 70 | 71 | 76 | 81 | 82 | 79 | 75 | 69 | 64 | 72 |
| Avg Precip (In.) | 4.09 | 4.69 | 3.64 | .9 | .35 | .08 | .02 | .04 | .32 | .58 | 1.43 | 2.6 | 18.74 |