Apple Valley, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 8.6 °C (low) to 24.6 °C (high). Annual precipitation averages 143.8 Millimeters. Apple Valley is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.8 °C | 14.9 °C | 25.4 mm |
| February | 2.2 °C | 16.3 °C | 27.94 mm |
| March | 4.4 °C | 19.4 °C | 20.32 mm |
| April | 6.8 °C | 22.2 °C | 7.11 mm |
| May | 10.5 °C | 26.8 °C | 1.52 mm |
| June | 14.7 °C | 32.2 °C | 2.79 mm |
| July | 18.3 °C | 35.6 °C | 7.62 mm |
| August | 17.9 °C | 35.5 °C | 1.78 mm |
| September | 14.7 °C | 32.2 °C | 4.83 mm |
| October | 9.1 °C | 25.8 °C | 8.38 mm |
| November | 3.4 °C | 19.4 °C | 9.14 mm |
| December | 0.4 °C | 14.3 °C | 26.92 mm |
| Annual | 8.6 °C | 24.6 °C | 143.75 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |