El Dorado Hills, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 9.3 °C (low) to 23.3 °C (high). Annual precipitation averages 751.3 Millimeters. El Dorado Hills is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.7 °C | 13.1 °C | 132.84 mm |
| February | 4.7 °C | 15.2 °C | 136.14 mm |
| March | 6.2 °C | 17.7 °C | 105.16 mm |
| April | 7.3 °C | 20.8 °C | 62.74 mm |
| May | 10.3 °C | 25.7 °C | 44.96 mm |
| June | 13.5 °C | 30.8 °C | 10.41 mm |
| July | 15.9 °C | 34.7 °C | 0.25 mm |
| August | 15.7 °C | 34.2 °C | 0.51 mm |
| September | 13.9 °C | 31.3 °C | 3.81 mm |
| October | 10.3 °C | 25.3 °C | 37.85 mm |
| November | 6.2 °C | 17.8 °C | 71.12 mm |
| December | 3.3 °C | 13 °C | 145.54 mm |
| Annual | 9.3 °C | 23.3 °C | 751.33 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |