Mercer Island Weather in April
Mercer Island in April sees moderate temperatures, with highs around 15°C (59°F) and overnight lows of 6°C (43°F). Rainfall is fairly high at around 75 mm (3 in) on average, so pack waterproofs just in case.
Rainfall in Mercer Island in April
Analyzing past climate data, one can expect approximately 17 days of rain, averaging 75 mm (3 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Mercer Island in April
April in Mercer Island brings moderate temperatures, with highs of 15°C (59°F) and nights around 6°C (43°F). Conditions are often most pleasant around the middle of the day. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Mercer Island in April
The month enjoys around 208 hours of sunshine, creating mostly sunny days despite the cool temperatures.
Wind Speed in Mercer Island in April
In April, 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.Should you favor a climate that's both dry and comfortably warm, June, July, August and September typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 April
Min Temperature
6°C (43°F)
Max Temperature
15°C (59°F)
Chance of Rain
55%
Precipitation
75 mm (3 in)
Rainy days
17 days
Humidity
71% *
Windspeed
4 m/s (8 knots) *
Sunshine
208 hours *
Percentage Sunshine
51% *
Best Places in the United States of America in April
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 April →
perfect weather
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tolerable
unpleasant
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What to Wear in Mercer Island in April
The weather can be unpredictable in April, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler 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 April
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.
