Fort Bidwell, California has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 1.5 °C (low) to 16.4 °C (high). Annual precipitation averages 450.9 Millimeters. Fort Bidwell is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.3 °C | 5.1 °C | 74.93 mm |
| February | -4.4 °C | 7.2 °C | 48.01 mm |
| March | -2.2 °C | 10.3 °C | 55.88 mm |
| April | -0.1 °C | 13.8 °C | 47.5 mm |
| May | 3.8 °C | 19 °C | 37.59 mm |
| June | 7.1 °C | 24.1 °C | 19.56 mm |
| July | 10.9 °C | 30.3 °C | 5.33 mm |
| August | 9.7 °C | 29.6 °C | 6.1 mm |
| September | 6 °C | 25.5 °C | 8.13 mm |
| October | 1 °C | 18.1 °C | 25.91 mm |
| November | -2.9 °C | 9.7 °C | 48.77 mm |
| December | -5.6 °C | 4.4 °C | 73.15 mm |
| Annual | 1.5 °C | 16.4 °C | 450.86 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | Over 180 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 |