Issaquah Weather in May
May in Issaquah sees daytime temperatures around 17°C (63°F) and lows of 7°C (45°F) at night. With around 99 mm (3.9 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Issaquah in May
Historically, approximately 16 days this month are expected to have rain, averaging 99 mm (3.9 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Issaquah in May
May in Issaquah brings typical temperatures with highs around 17°C (63°F) and lows of 7°C (45°F). Conditions are often most pleasant around the middle of the day. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Issaquah in May
With approximately 254 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Wind Speed in Issaquah in May
In May, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.For Issaquah itself, June, July, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Issaquah's climate page.
Issaquah Temperature in May
Min Temperature
7°C (45°F)
Max Temperature
17°C (63°F)
Chance of Rain
53%
Precipitation
99 mm (3.9 in)
Rainy days
16 days
Humidity
68% *
Windspeed
4 m/s (8 knots) *
Sunshine
254 hours *
Percentage Sunshine
54% *
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
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What to Wear in Issaquah in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Issaquah in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Issaquah's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Issaquah climate overview or explore weather in the United States of America.
