Leggett, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 43 °F (low) to 67 °F (high). Annual precipitation averages 67.3 Inches. Leggett is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.0 °F | 53.7 °F | 12.79 in. |
| February | 37.2 °F | 56.3 °F | 10.64 in. |
| March | 38.4 °F | 59.6 °F | 9.11 in. |
| April | 40.3 °F | 62.1 °F | 4.6 in. |
| May | 44.4 °F | 67.5 °F | 2.43 in. |
| June | 48.7 °F | 74.8 °F | 0.86 in. |
| July | 51.8 °F | 84.0 °F | 0.12 in. |
| August | 51.1 °F | 83.1 °F | 0.15 in. |
| September | 48.3 °F | 81.7 °F | 0.6 in. |
| October | 43.1 °F | 70.6 °F | 3.66 in. |
| November | 39.6 °F | 59.2 °F | 8.53 in. |
| December | 35.9 °F | 51.9 °F | 13.82 in. |
| Annual | 43 °F | 67 °F | 67.31 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |