| 2023 Hardiness Zone: | Zone 10b: 35°F to 40°F | |
| 2012 Hardiness Zone: | 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: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 93067 - Summerland, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 43 | 45 | 46 | 49 | 52 | 55 | 57 | 58 | 57 | 53 | 47 | 42 | 50 |
| Avg Max Temp (°F) | 64 | 65 | 66 | 70 | 71 | 75 | 78 | 79 | 78 | 75 | 69 | 65 | 71 |
| Avg Precip (In.) | 3.86 | 4.45 | 3.35 | .79 | .3 | .09 | .02 | .04 | .29 | .55 | 1.36 | 2.4 | 17.49 |