When to visit
Seattle?

Discover the best time of year, based on historical climate, temperature, and precipitation.

Seattle
State of Washington · United States of America

The best time to visit Seattle is June, July, August, when the weather, flight prices, and crowds align.consistent weather climate

Climate score
September
82

Excellent climate

🌥Mild

Temperature
13–20°C
Cool nights
Feels like
12–19°C
Comfortable
Precipitation
63mm
Light rain · 10 days
Sunshine
9.2h
Partly cloudy
Humidity (%)
76%
Comfortable
Annual Climate Analysis
Temperature, Rain & Feels Like
Rain
Actual Temp
Feels Like
-10°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
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Tourist Crowds
Monthly visitor flow
87
High season
050100JanFebMarAprMayJunJulAugSep87OctNovDec
Monthly Overview
Score79274576849492824796
ClimateColdColdColdColdMildMildPleasantPleasantMildCool & rainyColdCold
Temperature3–8°C2–8°C4–11°C6–14°C9–18°C12–21°C15–25°C15–25°C13–20°C9–15°C5–10°C3–7°C
Feels like-1–5°C-1–5°C0–8°C3–11°C7–17°C11–20°C14–25°C15–25°C12–19°C7–13°C2–8°C-1–4°C
Precipitation186mm
21 days
125mm
18 days
108mm
17 days
85mm
14 days
53mm
10 days
51mm
9 days
14mm
4 days
27mm
5 days
63mm
10 days
127mm
15 days
176mm
20 days
189mm
22 days
Sunshine3.1h
☀︎ 34%
4.0h
☀︎ 39%
6.4h
☀︎ 54%
8.3h
☀︎ 60%
9.6h
☀︎ 63%
11.7h
☀︎ 73%
12.7h
☀︎ 82%
11.5h
☀︎ 81%
9.2h
☀︎ 74%
5.9h
☀︎ 54%
3.9h
☀︎ 41%
2.7h
☀︎ 31%
WindSE · 19 km/hSE · 20 km/hS · 19 km/hS · 19 km/hSW · 17 km/hW · 17 km/hN · 16 km/hNW · 17 km/hSW · 17 km/hSE · 18 km/hSE · 20 km/hSE · 20 km/h
Humidity (%)84%82%80%77%74%70%66%68%76%82%83%84%
Day length8.9h10.3h11.9h13.7h15.2h15.9h15.5h14.2h12.5h10.8h9.3h8.5h
Tourist CrowdsLow seasonLow seasonShoulder seasonShoulder seasonHigh seasonHigh seasonHigh seasonHigh seasonHigh seasonHigh seasonShoulder seasonShoulder season
Events & Festivals
JanFebMarAprMayJunJulAugSepOctNovDec
Seafair
Northwest Folklife Festival
Bumbershoot
Christmas Ship Festival
Fremont Fair & Solstice Parade
Seattle International Film Festival (SIFF)
Events & Festivals
  • SeafairfestivalSignature event
    July, August· 500k+ visitors

    Seattle's signature summer festival, Seafair, transforms the city into a vibrant celebration of maritime heritage and co…

  • Northwest Folklife Festivalcultural
    May· 50k+ visitors

    The Northwest Folklife Festival celebrates the diverse cultural traditions of the Pacific Northwest through music, dance…

  • Bumbershootfestival
    August, September· 50k+ visitors

    Bumbershoot is one of North America's largest urban arts and music festivals, held annually over Labor Day weekend. Enjo…

  • Christmas Ship Festivalholiday
    November, December· 50k+ visitors

    The Argosy Cruises Christmas Ship Festival is a beloved holiday tradition, with a lead boat adorned with lights and choi…

  • Fremont Fair & Solstice Paradefestival
    June· 50k+ visitors

    The Fremont Fair is a quirky and beloved Seattle tradition, culminating in the famous Solstice Parade featuring painted…

  • Seattle International Film Festival (SIFF)cultural
    May, June· 50k+ visitors

    SIFF is one of the largest and most respected film festivals in North America, showcasing hundreds of films over several…

The story of the seasons in Seattle

Seattle's global reputation for relentless gloom is entirely accurate for eight months of the year, which makes its luminous, nearly rainless midsummer feel like an entirely different civilization.

The city sits pinched on an isthmus between the deep marine trenches of Puget Sound and the freshwater mirror of Lake Washington, wrapped in evergreen slopes and shadowed by distant volcanic peaks. For most of the year, low gray stratus clouds clamp down like a wet lid, keeping daylight dim and mist suspended in the air. Yet the paradox of Seattle is twofold: the obvious summer window is not just marginally better than the rest of the year—it is spectacular—and the city reaches its peak congestion not during those radiant July afternoons, but in the soaking, wind-battered dark of late autumn.

The Glorious Window: July and August

Midsummer in Seattle is a revelation that borders on the surreal. The Pacific high-pressure system locks into place, brushing aside the marine layer and unveiling weeks of uninterrupted blue sky. Afternoon temperatures settle into a crisp, dry warmth around the mid-twenties, and dusk stretches out toward ten at night. The city shifts its entire life outdoors. Wooden docks along Madison Park fill with swimmers, rowers slide across Lake Washington, and the salt air coming off Elliott Bay cuts cleanly through the afternoon heat.

This is the season you should come. Conventional travel advice often nudges people toward the shoulder months to dodge foot traffic, but here that advice fails: summer is simply too good to trade away for slightly quieter sidewalks. The city celebrates its brief golden era with an intensity born of long deprivation. Seafair roars over the water through July and August, sending hydroplanes streaking across the lake, while late August rolls straight into the music and sprawling art installations of Bumbershoot. From the bluffs of Magnolia down to the beach fires of West Seattle, the entire urban landscape feels celebratory, luminous, and impossibly green.

Because rainfall drops to a near standstill, days are reliably spent walking between distinct pockets of the city. You can spend an entire afternoon wandering from the quiet shaded lanes of Queen Anne down to the lively waterfront promenades, or watch paddleboarders trace the shores around Green Lake without ever glancing at a radar forecast.

The Golden Dissolve: September and October

September maintains the golden warmth of late summer for its first two weeks, but by the equinox, the maritime air begins to cool. Crowd levels drop sharply—it is the quietest spell the city gets between spring and deep winter. The leaves turn vivid amber through the Central District and across the wooded trails of Seward Park, and the breeze carries the damp, earthy scent of wet cedar.

By October, the ceiling lowers noticeably. Rain returns not as sudden storms, but as the classic Pacific Northwest envelope—a gentle, pervasive moisture that clings to wool coats and darkens the brickwork in Capitol Hill and Ballard. Days grow noticeably shorter, yet the biting chill has not yet set in. It is a contemplative, rewarding time to explore the city's indoor life, lingering in the historic pockets of Chinatown-International District or browsing neighborhood bookshops in Phinney Ridge before the heavy winter storms establish their grip.

The Dark Surge: November through February

November presents the calendar's most striking contradiction. It is consistently the wettest, grayest month of the year, with daytime temperatures hovering in the single digits and darkness arriving before five in the afternoon—yet it registers as the single busiest month on the city's calendar. Visitors arrive in droves for regional shopping, family gatherings, and the arrival of winter holiday traditions. The Argosy Cruises Christmas Ship Festival gathers illuminated flotillas that drift past cold, wind-swept shores from Leschi to Kirkland, their onboard choirs echoing over the black water of Lake Washington while bundled crowds huddle on pebble beaches.

December continues the festive press, even as the sun drops to a meager few hours of pale, low-angled light per day. If you visit now, you must embrace the city on its own terms. This means accepting soaked cuffs, navigating crowded ferry decks, and leaning into the cozy shelter of neighborhood taverns in Fremont and industrial tasting rooms in Georgetown. By January and February, the holiday frenzy evaporates, leaving behind a quiet, dripping stillness. The rain is rarely violent—it falls at an easy, monotonous pace—but it is constant, turning every park path from Ravenna to Madrona into a sponge.

The Slow Thaw: March through June

Spring arrives slowly, teasing with brilliant blue mornings that dissolve into brisk squalls by lunchtime. In March and April, the cherry blossoms burst into pink clouds around the University District, but the air retains a sharp bite that demands heavy layers. The rain begins to lose its winter volume, though the drizzle remains stubborn.

May brings a palpable change in tempo. Daylight expands rapidly, and the city begins stepping outside again. The Seattle International Film Festival brings packed houses to theaters in Queen Anne and Capitol Hill, while Memorial Day weekend sees crowds spill onto the lawn for the Northwest Folklife Festival, where folk dancers, street buskers, and artisan stalls take over the core of the city. June leads directly to the Fremont Fair & Solstice Parade, where painted cyclists and community floats signal that the long gray slumber is finally over, setting the stage for the immaculate summer ahead.

Frequently asked questions

What is the best time to visit Seattle?

The best time to visit Seattle is July, August, June, September, May, with temperatures between 9 °C and 25 °C. The best month is July. July is high season.

What is the weather like in Seattle?

Seattle has a climate with an overall score of 4.8/10. Annual temperatures range from 2 °C to 25 °C.

What is the hottest month in Seattle?

The hottest month in Seattle is July, with average highs of 25 °C and lows of 15 °C.

What is the rainiest month in Seattle?

The rainiest month in Seattle is December, with an average of 189 mm of precipitation.

When is peak season in Seattle?

Peak season in Seattle is May, June, July, August, September, October. This is the most popular period, with the highest tourism levels and prices.

When is shoulder season in Seattle?

Shoulder season in Seattle falls in March, April, November, December. It offers a good balance of decent weather and lower prices compared to peak season.