Cedarville, California has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 1.5 °C (low) to 16.7 °C (high). Annual precipitation averages 329.7 Millimeters. Cedarville is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.4 °C | 5.4 °C | 45.72 mm |
| February | -4.4 °C | 7.5 °C | 29.46 mm |
| March | -2.2 °C | 10.4 °C | 34.8 mm |
| April | -0.2 °C | 13.8 °C | 32 mm |
| May | 3.8 °C | 19.1 °C | 33.78 mm |
| June | 7.3 °C | 24.6 °C | 17.02 mm |
| July | 11.2 °C | 30.7 °C | 6.6 mm |
| August | 9.8 °C | 30.1 °C | 6.35 mm |
| September | 5.8 °C | 25.9 °C | 7.87 mm |
| October | 0.9 °C | 18.4 °C | 24.13 mm |
| November | -3.1 °C | 9.9 °C | 39.88 mm |
| December | -5.9 °C | 4.7 °C | 52.07 mm |
| Annual | 1.5 °C | 16.7 °C | 329.68 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |