Seattle weather by month & the best time to visit

🇺🇸 United States · major city break · Mediterranean climate

The best time to visit Seattle is July — its sunniest month (Sunshine Score 86/100), with August close behind. Seattle averages about 1,898 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 20 mm of rain in July.

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Sun hours / year

1,898

Sunniest month

July

Peak score

86/100

Rain / year

1,254 mm

Snow / year

≈16 cm

Midday UV at peak

7 (high)

Population

3.1M

Elevation

177 m

When is the best time to visit Seattle?

For sunshine, the best time to visit Seattle is July, then August. The dullest month is January (0/100, 179 mm of rain). The full month-by-month picture is in the table below.

How sunny is Seattle?

Seattle gets a moderate 1,898 hours of sunshine a year. 86 Sunshine Score points separate July (86) from January (0), so the month you pick matters. It ranks #442 of 580 destinations in United States for annual sunshine, below the national median of 2,279 hours. Rain has a clear season: the wettest stretch, around December, carries about 44% of the annual 1,254 mm.

Sunshine Score by month

See Seattle on the interactive sunshine globe →

Nearby places for sunshine

• Seattle United States · 51 km · best in Jul · 1,896 h sun/yr
• Bellingham United States · 100 km · best in Jul · 2,005 h sun/yr
• Victoria (British Columbia) Canada · 118 km · best in Jul · 2,004 h sun/yr
• Abbotsford Canada · 125 km · best in Jul · 1,738 h sun/yr
• Vancouver Canada · 158 km · best in Jul · 1,739 h sun/yr
• Nanaimo Canada · 173 km · best in Jul · 1,738 h sun/yr

Nearest destinations

• Anacortes United States · 72 km · 2,003 h sun/yr · best in Jul
• Tacoma United States · 74 km · 1,895 h sun/yr · best in Jul
• Center United States · 77 km · 2,003 h sun/yr · best in Jul
• Lopez United States · 81 km · 2,003 h sun/yr · best in Jul
• Blakely United States · 85 km · 2,004 h sun/yr · best in Jul