Best time to visit Seattle for good weather
When is the best weather in Seattle? Monthly breakdown of temperature, rainfall, and sunshine hours — ranked by what actually matters for your trip.
Best month
July
The best month — 18mm rain, 25°C, 10 hours of sun, and the Bite of Seattle in full swing.
↑Only 18mm rain: the driest month in the Pacific Northwest by far — nearly guaranteed blue-sky days
↑Bite of Seattle food festival (mid-July): 60+ restaurants serving the city's full culinary range in Seattle Center
↑Mt Rainier day trips at peak accessibility — Paradise visitor area open, wildflowers at 1,600m in bloom
All months ranked — Good weather
Best match
The best month — 18mm rain, 25°C, 10 hours of sun, and the Bite of Seattle in full swing.
#1 for good weather
Best match
Near-identical to July — Seafair brings hydroplane racing, and the summer refuses to end.
#2 for good weather
Best match
Seattle at its spring best — SIFF launches, 18°C, and the city's outdoor life fully restored.
#3 for good weather
Best match
Seattle starts to shine — SIFF wraps, Pride month, kayaking on Lake Union, and the sky stays light until 21:30.
#4 for good weather
Best match
The best-value month — summer weather lingers, crowds ease, and the city exhales.
#5 for good weather
Strong option
The city unlocks — 75mm rain is manageable, 6 sunshine hours bring Seattleites outside.
#6 for good weather
Strong option
The grey season returns — 90mm rain, but good shoulder prices and the city's indoor culture shines.
#7 for good weather
Strong option
Spring teasing begins — cherry blossoms at the UW campus, still 95mm of rain to contend with.
#8 for good weather
Strong option
Still grey, but the rain eases and an extra hour of sun signals the long turn toward summer.
#9 for good weather
Worth considering
Seattle at its rainiest — 150mm, 2.5 sunshine hours, and the grey months properly begin.
#10 for good weather
Worth considering
Grey and wet — 130mm of rain, but Pike Place Market is uncrowded and hotels are cheap.
#11 for good weather
Worth considering
Christmas market at Seattle Center — the Space Needle in holiday lights is worth seeing once.
#12 for good weather