Temperature
Pleasant by day, brisk at night.
77°Ftypical Aug high
Seattle
United States · North America
Seattle is most comfortable during summer. Summers are warm and winters are cool. The wettest months are roughly October to April. Humidity is usually low.
Best time to go
12 mo · Typical year
Temperature range
35°F to 77°F
Rain
14 days/mo
Sunshine
5.9 h/day
Humidity feel
Generally dry
When to visit
Month-by-month fit
Precipitation
One of the driest months, with very little rain.
13%wet-day frequency
AmountWet-day chance
Sunshine
Very sunny skies.
9.1 hAug sunshine
Heat & humidity by month
It rarely feels hot or humid.
LowAug heat feel
Air-feel chart data is unavailable for this destination. Use the selected-month dew point, temperature, rain, and sunshine context together rather than treating any one metric as total comfort.
More detailIncludes sky, daypart comfort, and sea
Cloud cover
Partly cloudy across the month.
55%Aug clear sky
ClearCloud cover
Sea temperature
60°Aug sea temp
Similar
Similar things to doHalifaxCanadaSimilar things to doVictoriaCanadaSimilar things to doNew York CityUnited StatesSimilar things to doSan FranciscoUnited States
Want a side-by-side climate view? Compare Seattle with Halifax.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology