Fiddletown, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 7.8 °C (low) to 21.4 °C (high). Annual precipitation averages 879.4 Millimeters. Fiddletown is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Dec. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.3 °C | 12.3 °C | 159.51 mm |
| February | 3.2 °C | 13.8 °C | 150.37 mm |
| March | 4.3 °C | 16.1 °C | 135.64 mm |
| April | 5.4 °C | 18 °C | 82.04 mm |
| May | 8.4 °C | 22.9 °C | 50.29 mm |
| June | 11.6 °C | 28.3 °C | 9.14 mm |
| July | 14.7 °C | 32.4 °C | 0 mm |
| August | 14.7 °C | 31.9 °C | 1.02 mm |
| September | 12.8 °C | 29.1 °C | 6.86 mm |
| October | 8.9 °C | 23.6 °C | 45.72 mm |
| November | 4.7 °C | 16.7 °C | 85.85 mm |
| December | 2.2 °C | 11.8 °C | 152.91 mm |
| Annual | 7.8 °C | 21.4 °C | 879.35 mm |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |