Dorrington, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 5.5 °C (low) to 17.9 °C (high). Annual precipitation averages 1369.6 Millimeters. Dorrington is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.1 °C | 10 °C | 257.81 mm |
| February | -0.3 °C | 10.3 °C | 244.86 mm |
| March | 0.7 °C | 12.3 °C | 205.99 mm |
| April | 2.1 °C | 13.9 °C | 114.05 mm |
| May | 6 °C | 18.7 °C | 73.41 mm |
| June | 10.1 °C | 24.2 °C | 17.27 mm |
| July | 14.2 °C | 28.8 °C | 3.81 mm |
| August | 13.9 °C | 28.8 °C | 4.57 mm |
| September | 11.3 °C | 25.6 °C | 12.7 mm |
| October | 6.7 °C | 19.4 °C | 75.95 mm |
| November | 2 °C | 13.4 °C | 120.14 mm |
| December | -0.3 °C | 9.1 °C | 239.01 mm |
| Annual | 5.5 °C | 17.9 °C | 1369.57 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |