| 2023 Hardiness Zone: | Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F |
| Average First Frost Date: | Dec. 21 - Dec. 31 |
| Average Last Frost Date: | Feb. 1 - Feb. 10 |
| 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 96003 - Redding, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 37 | 40 | 43 | 46 | 54 | 61 | 67 | 64 | 59 | 52 | 43 | 37 | 50 |
| Avg Max Temp (°F) | 56 | 60 | 65 | 72 | 82 | 91 | 99 | 97 | 91 | 80 | 63 | 56 | 76 |
| Avg Precip (In.) | 6.98 | 6.05 | 5.24 | 2.63 | 1.64 | .82 | .08 | .26 | .48 | 1.9 | 4.47 | 5.07 | 35.61 |