Weather in Seattle in May
Seattle, United States averages a high of 17°C (62.6°F) and low of 8.3°C (46.9°F) in May, with 11 rain days and 10.6 hours of daily sunshine. Travel score: 71.2/100 (Good). The best time to visit Seattle is July.
High
17°C63°F
Low
8°C47°F
🌧️
11
rain days
☀️
10.6
hrs/day sunshine
💧
75%
humidity
71— Good
May in Seattle is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Seattle?
How much does it rain in Seattle in May?
Seattle receives an average of 71.2mm of rainfall across 11 rainy days in May. The annual total is 1249.4mm.
What should I pack for Seattle in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 17°C
Recommended
🧥
Light rain jacket
Some rainy days expected (11 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to United States in May?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31