Weather in Sammamish in May
Sammamish, United States averages a high of 17.4°C (63.3°F) and low of 8°C (46.4°F) in May, with 13 rain days and 10.2 hours of daily sunshine. Travel score: 68.5/100 (Good). The best time to visit Sammamish is July.
High
17°C63°F
Low
8°C46°F
🌧️
13
rain days
☀️
10.2
hrs/day sunshine
💧
77%
humidity
69— Good
May in Sammamish is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Sammamish?
How much does it rain in Sammamish in May?
Sammamish receives an average of 101mm of rainfall across 13 rainy days in May. The annual total is 1646.2mm.
What should I pack for Sammamish 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 (13 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