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Mercer Island weather in June (Washington State, United States of America)

How is the weather in Mercer Island in June? This guide provides all the details you need.

In Mercer Island the weather in June is generally perfect, with pleasant temperatures and moderate rainfall. Anticipate daytime temperatures around 21°C, while night temperatures can drop to 12°C.

Mercer Island in June usually receives moderate rainfall, averaging around 44 mm for the month. Based on our climate data of the past 30 years, about 11 days of rain are anticipated.

With around 269 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, June is a great time to visit. June, July, August and September generally stand out with the best circumstances. While January, February, March, November and December tend to showcase 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 June

Min TemperatureMin Temperature 12°C  
Max TemperatureMax Temperature 21°C  
Chance of RainChance of Rain 37%  
PrecipitationPrecipitation 44 mm  
Rainy daysRainy days 11 days  
HumidityHumidity 67% *  
WindspeedWindspeed 14 km/h *  
SunshineSunshine 269 hours *  
Percentage SunshinePercentage Sunshine 56% *  
* Data from: Seattle, the United States of America (15 KM, 9 Miles).

Where to go in the United States of America in June

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

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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 Mercer Island in June?

For visitors traveling to Mercer Island, 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 June.

Cycling
10/10
Walking
10/10
Barbeque
9/10
Camping
10/10
Outdoor sports
10/10

Interested in more climate information?

Weather and Climate 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 climate conditions. Find out where to go with our weather planner.