Sheridan, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 48.9 °F (low) to 74.9 °F (high). Annual precipitation averages 22.7 Inches. Sheridan 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 | 38.7 °F | 55.8 °F | 4.16 in. |
| February | 40.7 °F | 61.0 °F | 3.9 in. |
| March | 43.6 °F | 65.8 °F | 3.41 in. |
| April | 46.1 °F | 71.4 °F | 1.87 in. |
| May | 52.1 °F | 80.1 °F | 1.17 in. |
| June | 57.7 °F | 88.7 °F | 0.27 in. |
| July | 61.6 °F | 94.9 °F | 0.0 in. |
| August | 60.3 °F | 93.6 °F | 0.04 in. |
| September | 56.6 °F | 88.8 °F | 0.16 in. |
| October | 49.4 °F | 78.5 °F | 1.13 in. |
| November | 42.0 °F | 64.7 °F | 2.31 in. |
| December | 37.9 °F | 55.9 °F | 4.26 in. |
| Annual | 48.9 °F | 74.9 °F | 22.68 in. |
| 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 : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |