| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F 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 10a: 30F to 35F | |
| Average First Frost Date: | Jan. 1 - Jan. 10 | |
| Average Last Frost Date: | Feb. 11 - Feb. 20 | |
| 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 93066 - Somis, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 42 | 43 | 44 | 46 | 50 | 54 | 57 | 58 | 56 | 51 | 45 | 41 | 49 |
| Avg Max Temp (°F) | 68 | 68 | 69 | 73 | 74 | 77 | 80 | 82 | 81 | 78 | 73 | 68 | 74 |
| Avg Precip (In.) | 3.56 | 3.71 | 2.71 | .84 | .27 | .05 | .02 | .04 | .21 | .39 | 1.32 | 2.15 | 15.26 |