| 2023 Hardiness Zone: | Zone 9b: 25°F to 30°F |
| 2012 Hardiness Zone: | Zone 9b: 25°F to 30°F |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F |
| Average First Frost Date: | Dec. 1 - Dec. 10 |
| Average Last Frost Date: | Feb. 21 - Feb. 29 |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate |
| Ecoregion: | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 95961 - Olivehurst, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 41 | 45 | 48 | 54 | 58 | 61 | 59 | 56 | 50 | 42 | 37 | 49 |
| Avg Max Temp (°F) | 55 | 61 | 66 | 74 | 82 | 90 | 96 | 95 | 89 | 80 | 64 | 55 | 76 |
| Avg Precip (In.) | 4.24 | 3.84 | 3.44 | 1.4 | .74 | .25 | .07 | .08 | .4 | 1.21 | 2.74 | 3.27 | 21.67 |