Seattle & the San Juan Islands
Orcas surfacing beside the ferry on the crossing out, a coffee culture that got there before anywhere else did, and islands where the speed limit drops the moment you roll off the boat.
The best time to visit Seattle & the San Juan Islands is Jun–Sep, when typical daytime highs reach about 24°C (75°F). Local time there is 13:33 (UTC-7).
Good for
In season
The year at a glance
June · high 21°C · rain 60mm · 15.9h of daylight · in the recommended window
shaded columns are the recommended window
Averages for 2019–2023 from Open-Meteo’s archive, not a forecast
| Month | High °CHigh °F | Rain mmRain in | Light | Notes |
|---|---|---|---|---|
| January | 8°C46°F | 211mm8.3in | 8.8h8.8h | |
| February | 7°C44°F | 124mm4.9in | 10.2h10.2h | |
| March | 10°C51°F | 84mm3.3in | 11.8h11.8h | |
| April | 13°C56°F | 99mm3.9in | 13.6h13.6h | |
| May | 18°C64°F | 69mm2.7in | 15.1h15.1h | |
| June | 21°C70°F | 60mm2.4in | 15.9h15.9h | in the recommended window |
| July | 25°C77°F | 17mm0.7in | 15.6h15.6h | in the recommended window |
| August | 25°C77°F | 29mm1.1in | 14.2h14.2h | in the recommended window |
| September | 21°C70°F | 91mm3.6in | 12.5h12.5h | in the recommended window |
| October | 15°C59°F | 115mm4.5in | 10.8h10.8h | |
| November | 10°C49°F | 173mm6.8in | 9.2h9.2h | |
| December | 7°C45°F | 216mm8.5in | 8.5h8.5h |
Good to know
- Currency
- USDUnited States dollar
- Language
- English
- Driving
- on the right
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When is the best time to visit Seattle & the San Juan Islands?
The best time to visit Seattle & the San Juan Islands is Jun–Sep, when typical daytime highs reach about 24°C (75°F).
How warm does Seattle & the San Juan Islands get?
Typical daytime highs in Seattle & the San Juan Islands are Mar–May 14°C (57°F), Jun–Aug 24°C (75°F), Sep–Nov 15°C (59°F), Dec–Feb 7°C (45°F).
Is Seattle & the San Juan Islands expensive?
On the ground, Seattle & the San Juan Islands is middling.
What sort of trip is Seattle & the San Juan Islands good for?
Seattle & the San Juan Islands is good for nature and scenery, relaxing holidays, food and drink, adventure holidays.
How rainy is Seattle & the San Juan Islands?
The wettest month in Seattle & the San Juan Islands is December at 216mm (8.5in), the driest July at 17mm (0.7in), with a monthly average of 107mm (4.2in).
What plug do I need for Seattle & the San Juan Islands?
Seattle & the San Juan Islands uses type A, B sockets at 120 V.
