Skokomish, Washington has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 5.8 °C (low) to 15.7 °C (high). Annual precipitation averages 1981.7 Millimeters. Skokomish is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.7 °C | 7.9 °C | 325.37 mm |
| February | 1.4 °C | 9.4 °C | 200.91 mm |
| March | 2.6 °C | 12 °C | 219.2 mm |
| April | 4.1 °C | 14.9 °C | 135.89 mm |
| May | 7.2 °C | 18.8 °C | 70.36 mm |
| June | 9.6 °C | 21.1 °C | 45.47 mm |
| July | 11.5 °C | 24.6 °C | 18.54 mm |
| August | 11.5 °C | 25 °C | 32 mm |
| September | 9.3 °C | 21.9 °C | 65.02 mm |
| October | 6.1 °C | 15.4 °C | 192.79 mm |
| November | 3.2 °C | 10.3 °C | 328.93 mm |
| December | 1.4 °C | 7.3 °C | 347.22 mm |
| Annual | 5.8 °C | 15.7 °C | 1981.7 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |