Stirling City, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 44.1 °F (low) to 67.1 °F (high). Annual precipitation averages 75.6 Inches. Stirling City is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 34.3 °F | 50.6 °F | 13.69 in. |
| February | 34.1 °F | 51.9 °F | 13.66 in. |
| March | 35.8 °F | 55.7 °F | 9.97 in. |
| April | 38.5 °F | 61.7 °F | 5.72 in. |
| May | 45.4 °F | 70.2 °F | 3.97 in. |
| June | 52.6 °F | 80.0 °F | 1.27 in. |
| July | 58.9 °F | 88.3 °F | 0.04 in. |
| August | 57.9 °F | 87.7 °F | 0.14 in. |
| September | 53.9 °F | 82.7 °F | 0.99 in. |
| October | 46.2 °F | 70.6 °F | 4.2 in. |
| November | 38.2 °F | 56.7 °F | 7.27 in. |
| December | 33.6 °F | 49.1 °F | 14.72 in. |
| Annual | 44.1 °F | 67.1 °F | 75.64 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |