Ducor, California has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 10.4 °C (low) to 25.3 °C (high). Annual precipitation averages 242.3 Millimeters. Ducor 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 | 3.7 °C | 14.4 °C | 49.53 mm |
| February | 5.1 °C | 17.4 °C | 44.7 mm |
| March | 7 °C | 20.7 °C | 38.86 mm |
| April | 8.7 °C | 23.8 °C | 23.37 mm |
| May | 12.2 °C | 28.6 °C | 8.89 mm |
| June | 15.6 °C | 33.2 °C | 2.54 mm |
| July | 18.9 °C | 36.2 °C | 0.51 mm |
| August | 18.2 °C | 35.7 °C | 0.51 mm |
| September | 15.7 °C | 33.1 °C | 2.03 mm |
| October | 11 °C | 27.2 °C | 11.68 mm |
| November | 6.1 °C | 19.4 °C | 21.84 mm |
| December | 3 °C | 14.3 °C | 37.85 mm |
| Annual | 10.4 °C | 25.3 °C | 242.31 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |