Elverta, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 9.3 °C (low) to 23.6 °C (high). Annual precipitation averages 532.4 Millimeters. Elverta is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Jan. 21 - Jan. 31 through the first frost around Dec. 21 - Dec. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.9 °C | 12.9 °C | 100.33 mm |
| February | 5.1 °C | 15.8 °C | 97.03 mm |
| March | 6.7 °C | 18.7 °C | 77.47 mm |
| April | 8.1 °C | 22.1 °C | 40.89 mm |
| May | 11.2 °C | 26.7 °C | 26.67 mm |
| June | 13.8 °C | 31 °C | 5.33 mm |
| July | 15.3 °C | 33.9 °C | 0.25 mm |
| August | 14.9 °C | 33.4 °C | 0.76 mm |
| September | 13.4 °C | 31.3 °C | 3.3 mm |
| October | 9.9 °C | 25.8 °C | 27.69 mm |
| November | 5.8 °C | 18.1 °C | 51.56 mm |
| December | 3.6 °C | 13.2 °C | 101.09 mm |
| Annual | 9.3 °C | 23.6 °C | 532.37 mm |
| Average First Frost Date | Dec. 21 - Dec. 31 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| Average Days With Frost | 10-20 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 |