Mercer Island Weather in June
In Mercer Island, June brings pleasant daytime temperatures around 21°C (70°F), with nights cooling to 12°C (54°F). Some rainfall is to be expected.
Rainfall in Mercer Island in June
Records from the past 30 years suggest around 11 days of rain, with 44 mm (1.7 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Mercer Island in June
Weather in Mercer Island is at its perfect in June. Highs reach 21°C (70°F), while nights settle around 12°C (54°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows of 12°C (54°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Mercer Island in June
The days are predominantly sunny, with an estimated total of around 269 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Mercer Island in June
In June, 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.If you're a fan of comfortable temperatures and drier conditions, June is a great time to visit.
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 Mercer Island's climate page.
Mercer Island Temperature in June
Min Temperature
12°C (54°F)
Max Temperature
21°C (70°F)
Chance of Rain
37%
Precipitation
44 mm (1.7 in)
Rainy days
11 days
Humidity
67% *
Windspeed
4 m/s (8 knots) *
Sunshine
269 hours *
Percentage Sunshine
56% *
Best Places in the United States of America in June
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 June →
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What to Wear in Mercer Island in June
For Mercer Island in June, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Mercer Island in June
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 Mercer Island's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Mercer Island climate overview or explore weather in the United States of America.
