Citrus Heights, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 49.3 °F (low) to 74.5 °F (high). Annual precipitation averages 24.5 Inches. Citrus Heights is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Dec. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 39.1 °F | 55.5 °F | 4.33 in. |
| February | 41.2 °F | 60.5 °F | 4.57 in. |
| March | 44.3 °F | 65.6 °F | 3.49 in. |
| April | 46.7 °F | 71.4 °F | 1.85 in. |
| May | 52.2 °F | 79.8 °F | 1.43 in. |
| June | 57.6 °F | 87.8 °F | 0.27 in. |
| July | 61.0 °F | 93.6 °F | 0.02 in. |
| August | 60.2 °F | 92.9 °F | 0.03 in. |
| September | 57.2 °F | 88.5 °F | 0.16 in. |
| October | 50.5 °F | 78.2 °F | 1.4 in. |
| November | 42.9 °F | 64.5 °F | 2.4 in. |
| December | 38.6 °F | 55.8 °F | 4.59 in. |
| Annual | 49.3 °F | 74.5 °F | 24.54 in. |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |