When to go · Vashon Island
Vashon Island, month by month
The best months for Vashon Island: May, Jun, Jul, Aug, Sep. Months to avoid: Jan, Feb, Mar, Nov, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Nov–Mar (wet, short days, some seasonal businesses closed).8 °C / 3 °C, 18 rain days46 °F / 37 °F, 18 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Nov–Mar (wet, short days, some seasonal businesses closed).9 °C / 3 °C, 15 rain days48 °F / 37 °F, 15 rain daysCrowds: Low · 1 festival or holiday
- MarchAvoidListed as a month to avoid: Nov–Mar (wet, short days, some seasonal businesses closed).11 °C / 4 °C, 17 rain days52 °F / 39 °F, 17 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGoodOutside the best window (May–Sep; Jul–Aug warmest and driest). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.14 °C / 6 °C, 14 rain days57 °F / 43 °F, 14 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside Vashon Island's best window: May–Sep; Jul–Aug warmest and driest.18 °C / 9 °C, 11 rain days64 °F / 48 °F, 11 rain daysCrowds: Medium · 1 festival or holiday
- JuneGreatInside Vashon Island's best window: May–Sep; Jul–Aug warmest and driest.21 °C / 11 °C, 9 rain days70 °F / 52 °F, 9 rain daysCrowds: High
- JulyGreatInside Vashon Island's best window: May–Sep; Jul–Aug warmest and driest.24 °C / 13 °C, 5 rain days75 °F / 55 °F, 5 rain daysCrowds: High · 1 festival or holiday
- AugustGreatInside Vashon Island's best window: May–Sep; Jul–Aug warmest and driest.24 °C / 13 °C, 6 rain days75 °F / 55 °F, 6 rain daysCrowds: High
- SeptemberGreatInside Vashon Island's best window: May–Sep; Jul–Aug warmest and driest.21 °C / 11 °C, 8 rain days70 °F / 52 °F, 8 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGoodOutside the best window (May–Sep; Jul–Aug warmest and driest). Across United States: Best all-round month: New England foliage, desert parks, cooler cities. High roads start closing late in the month.15 °C / 8 °C, 14 rain days59 °F / 46 °F, 14 rain daysCrowds: Medium
- NovemberAvoidListed as a month to avoid: Nov–Mar (wet, short days, some seasonal businesses closed).10 °C / 5 °C, 18 rain days50 °F / 41 °F, 18 rain daysCrowds: Medium · 1 festival or holiday
- DecemberAvoidListed as a month to avoid: Nov–Mar (wet, short days, some seasonal businesses closed).7 °C / 2 °C, 18 rain days45 °F / 36 °F, 18 rain daysCrowds: High · 1 festival or holiday