Stirling City, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 6.7 °C (low) to 19.5 °C (high). Annual precipitation averages 1921.3 Millimeters. 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 | 1.3 °C | 10.3 °C | 347.73 mm |
| February | 1.2 °C | 11.1 °C | 346.96 mm |
| March | 2.1 °C | 13.2 °C | 253.24 mm |
| April | 3.6 °C | 16.5 °C | 145.29 mm |
| May | 7.4 °C | 21.2 °C | 100.84 mm |
| June | 11.4 °C | 26.7 °C | 32.26 mm |
| July | 14.9 °C | 31.3 °C | 1.02 mm |
| August | 14.4 °C | 30.9 °C | 3.56 mm |
| September | 12.2 °C | 28.2 °C | 25.15 mm |
| October | 7.9 °C | 21.4 °C | 106.68 mm |
| November | 3.4 °C | 13.7 °C | 184.66 mm |
| December | 0.9 °C | 9.5 °C | 373.89 mm |
| Annual | 6.7 °C | 19.5 °C | 1921.28 mm |
| 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 : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |