| 2023 Hardiness Zone: | Zone 10b: 35°F to 40°F Zone 9a: 20°F to 25°F Zone 10a: 30°F to 35°F Zone 9b: 25°F to 30°F |
| 2012 Hardiness Zone: | Zone 10b: 35°F to 40°F Zone 9a: 20°F to 25°F Zone 10a: 30°F to 35°F Zone 9b: 25°F to 30°F |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F |
| Average First Frost Date: | Jan. 1 - Jan. 10 |
| Average Last Frost Date: | Feb. 21 - Feb. 29 |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 93454 - Santa Maria, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 40 | 42 | 43 | 44 | 47 | 51 | 53 | 54 | 53 | 49 | 42 | 39 | 46 |
| Avg Max Temp (°F) | 64 | 65 | 67 | 69 | 70 | 73 | 75 | 76 | 76 | 75 | 70 | 66 | 70 |
| Avg Precip (In.) | 3.11 | 3.5 | 3.19 | .96 | .32 | .05 | .03 | .05 | .31 | .54 | 1.35 | 2.08 | 15.49 |