Gasquet, California has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 6.5 °C (low) to 20.2 °C (high). Annual precipitation averages 2399.8 Millimeters. Gasquet is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Dec. 21 - Dec. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.3 °C | 10.8 °C | 385.32 mm |
| February | 3.4 °C | 13.1 °C | 318.26 mm |
| March | 3.6 °C | 15.3 °C | 315.21 mm |
| April | 4.8 °C | 18.7 °C | 231.14 mm |
| May | 7.2 °C | 22.3 °C | 104.14 mm |
| June | 9.3 °C | 26.1 °C | 44.7 mm |
| July | 11.1 °C | 30.6 °C | 7.37 mm |
| August | 10.9 °C | 30.3 °C | 8.38 mm |
| September | 9.5 °C | 29.1 °C | 47.24 mm |
| October | 7.1 °C | 22.7 °C | 155.7 mm |
| November | 4.7 °C | 13.5 °C | 319.02 mm |
| December | 3.1 °C | 10.3 °C | 463.3 mm |
| Annual | 6.5 °C | 20.2 °C | 2399.78 mm |
| Average First Frost Date | Dec. 21 - Dec. 31 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 30-40 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 | Severe Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |