Fort Bidwell, California has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 34.7 °F (low) to 61.6 °F (high). Annual precipitation averages 17.8 Inches. 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 | 22.4 °F | 41.2 °F | 2.95 in. |
| February | 24.1 °F | 44.9 °F | 1.89 in. |
| March | 28.1 °F | 50.6 °F | 2.2 in. |
| April | 31.8 °F | 56.9 °F | 1.87 in. |
| May | 38.8 °F | 66.2 °F | 1.48 in. |
| June | 44.7 °F | 75.3 °F | 0.77 in. |
| July | 51.7 °F | 86.5 °F | 0.21 in. |
| August | 49.4 °F | 85.2 °F | 0.24 in. |
| September | 42.8 °F | 77.9 °F | 0.32 in. |
| October | 33.8 °F | 64.6 °F | 1.02 in. |
| November | 26.7 °F | 49.5 °F | 1.92 in. |
| December | 21.9 °F | 40.0 °F | 2.88 in. |
| Annual | 34.7 °F | 61.6 °F | 17.75 in. |
| 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 : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |