Cherry Valley, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 48.7 °F (low) to 76.8 °F (high). Annual precipitation averages 19.7 Inches. Cherry Valley is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 40.9 °F | 62.2 °F | 4.1 in. |
| February | 39.6 °F | 62.9 °F | 4.61 in. |
| March | 41.1 °F | 67.0 °F | 3.12 in. |
| April | 43.8 °F | 71.8 °F | 1.27 in. |
| May | 47.8 °F | 78.2 °F | 0.89 in. |
| June | 53.4 °F | 87.3 °F | 0.16 in. |
| July | 61.4 °F | 94.6 °F | 0.22 in. |
| August | 61.7 °F | 94.9 °F | 0.15 in. |
| September | 58.4 °F | 90.5 °F | 0.3 in. |
| October | 51.9 °F | 80.3 °F | 0.93 in. |
| November | 44.3 °F | 70.4 °F | 1.12 in. |
| December | 40.1 °F | 61.8 °F | 2.81 in. |
| Annual | 48.7 °F | 76.8 °F | 19.68 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |