Issaquah weather in August (Washington State, United States of America)

How's the weather trend in Issaquah as August approaches? Our guide gives you the essential weather details for this month.

Temperatures

During August, Issaquah experiences perfect weather, with high temperatures and moderate rainfall. The month of August belongs to the summer season. The temperature during the day can rise to approximately 24°C. At night, it falls to around 13°C.

Precipitation

Issaquah in August usually receives moderate rainfall, averaging around 39 mm for the month. Analyzing past climate data, one can expect approximately 7 days of rain.

Average sunshine

With around 280 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

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% *  

Data from: Seattle, the United States of America (21 KM, 13 Miles).

Where to go in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

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.

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

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 travel conditions. Find out where to go with our weather planner.