Issaquah weather in August (Washington State, United States of America)
How is the weather in Issaquah in August? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.
In Issaquah the weather in August is generally perfect, with high temperatures and moderate rainfall. August is a summer month. Throughout the daytime, temperatures often hover around 24°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 13°C.
Issaquah in August usually receives moderate rainfall, averaging around 39 mm for the month. Rain is expected on roughly 7 days.
The city usually sees around 280 hours of sunlight, indicating many sunny days.
If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit. June, July, August and September generally stand out with the best circumstances. While January, February, March, April, November and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Issaquah climate page with graphs.
Issaquah, monthly averages in August
Min Temperature
13°C
Max Temperature
24°C
Chance of Rain
23%
Precipitation
39 mm
Rainy days
7 days
Humidity
68% *
Windspeed
14 km/h *
Sunshine
280 hours *
Percentage Sunshine
64% *
Where to go in the United States of America in August
Find out more about the weather in the United States of America in August and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Issaquah in August?
For visitors traveling to Issaquah, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in August.
Interested in more climate information?
This site provides you with all the information you need about the climate in Issaquah.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.
