Issaquah Weather in April

April in Issaquah typically sees daytime highs of 13°C (55°F) and nighttime lows of 4°C (39°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Issaquah in April

Historically, the month has about 19 days of rain, averaging 134 mm (5.3 in) in total. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Issaquah in April

In April, Issaquah sees moderate temperatures, with highs of 13°C (55°F). Nights drop to around 4°C (39°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Issaquah in April

Enjoy a sunny month with about 208 hours of sunshine, making it one of the brighter months of the year despite the cool conditions.

Wind Speed in Issaquah in April

Wind speeds average 4 m/s (8 knots) during April. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

April in Issaquah has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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Check the conditions for any month of the year.

• January
• February
• March
• April

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For a detailed overview over the year and the best time to visit the United States of America, check out our Issaquah's climate page.

Issaquah Temperature in April

Min Temperature 4°C (39°F)  

Max Temperature 13°C (55°F)  

Chance of Rain 64%  

Precipitation 134 mm (5.3 in)  

Rainy days 19 days  

Humidity 71% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 208 hours *  

Percentage Sunshine 51% *  

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

What to Wear in Issaquah 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Issaquah in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Issaquah's climate page.

More climate data for Issaquah

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Issaquah climate overview or explore weather in the United States of America.