Mercer Island weather in August (Washington State, United States of America)
What is the weather forecast for Mercer Island in August? Check out this detailed guide to the month’s weather conditions.
Temperatures
The weather in Mercer Island during August is usually perfect, offering high temperatures and low rainfall. Summer occurs in August. Daytime temperatures generally peak at 25°C, but after sunset, they often decrease to around 14°C. Known as the warmest month of the year, it's a great time to break out your summer wardrobe. Remember to stay hydrated and enjoy the sunny weather.
Precipitation
Mercer Island in August usually receives low rainfall, averaging around 25 mm for the month. Analyzing past climate data, one can expect approximately 5 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.So this is a great month to visit if you prefer dry days with pleasant temperatures. June, July, August and September typically offer the most optimal weather. In contrast, January, February, March, November and December tend to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Mercer Island climate page with graphs.
Mercer Island, monthly averages in August
Min Temperature
14°C
Max Temperature
25°C
Chance of Rain
17%
Precipitation
25 mm
Rainy days
5 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 and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Mercer Island.
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.
