| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 10a: 30°F to 35°F Zone 9b: 25°F to 30°F Zone 8a: 10°F to 15°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 8a: 10°F to 15°F Zone 9b: 25°F to 30°F | |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 91905 - Boulevard, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 32 | 33 | 34 | 36 | 40 | 45 | 52 | 53 | 48 | 41 | 35 | 32 | 40 |
| Avg Max Temp (°F) | 58 | 60 | 62 | 68 | 74 | 84 | 90 | 90 | 85 | 76 | 65 | 59 | 73 |
| Avg Precip (In.) | 3.57 | 3.48 | 4.04 | .93 | .32 | .06 | .59 | .69 | .57 | 1 | 1.28 | 1.73 | 18.25 |