Valley Home, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 9.4 °C (low) to 23.5 °C (high). Annual precipitation averages 384.1 Millimeters. Valley Home 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. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.7 °C | 12.7 °C | 76.96 mm |
| February | 5.1 °C | 15.9 °C | 62.99 mm |
| March | 6.6 °C | 18.9 °C | 60.71 mm |
| April | 8.2 °C | 21.4 °C | 32.77 mm |
| May | 11.1 °C | 26.6 °C | 19.56 mm |
| June | 13.8 °C | 31.1 °C | 4.06 mm |
| July | 15.8 °C | 34 °C | 0.51 mm |
| August | 15.4 °C | 33.4 °C | 1.27 mm |
| September | 13.8 °C | 31.1 °C | 1.78 mm |
| October | 10.2 °C | 25.8 °C | 18.54 mm |
| November | 5.9 °C | 18.4 °C | 36.07 mm |
| December | 3.4 °C | 13.1 °C | 68.83 mm |
| Annual | 9.4 °C | 23.5 °C | 384.05 mm |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| 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 | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |