| 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. 21 - Dec. 31 | |
| Average Last Frost Date: | Feb. 1 - Feb. 10 | |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate | |
| Ecoregion: | ||
| Current Drought Status: | Abnormally Dry | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 95673 - Rio Linda, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 39 | 42 | 45 | 47 | 52 | 57 | 60 | 59 | 57 | 51 | 44 | 38 | 49 |
| Avg Max Temp (°F) | 54 | 61 | 66 | 73 | 81 | 89 | 94 | 93 | 89 | 79 | 64 | 55 | 75 |
| Avg Precip (In.) | 4.15 | 3.7 | 3.07 | 1.29 | .63 | .21 | .05 | .05 | .36 | 1.03 | 2.45 | 3.05 | 20.03 |