Fort Bragg, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 7.7 °C (low) to 16.1 °C (high). Annual precipitation averages 1022.1 Millimeters. Fort Bragg is located in USDA Plant Hardiness Zone 10a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.9 °C | 13.1 °C | 184.66 mm |
| February | 6 °C | 13.2 °C | 165.86 mm |
| March | 6.2 °C | 13.7 °C | 153.16 mm |
| April | 6.6 °C | 15.2 °C | 76.45 mm |
| May | 7.8 °C | 16.5 °C | 46.23 mm |
| June | 9.2 °C | 18 °C | 14.48 mm |
| July | 9.7 °C | 18.6 °C | 2.29 mm |
| August | 10.1 °C | 19.1 °C | 3.81 mm |
| September | 9.4 °C | 19.4 °C | 5.59 mm |
| October | 8.6 °C | 17.8 °C | 57.66 mm |
| November | 7.2 °C | 14.6 °C | 111 mm |
| December | 5.8 °C | 13.4 °C | 200.91 mm |
| Annual | 7.7 °C | 16.1 °C | 1022.1 mm |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 10a : -1.1°C to 1.7°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |