Issaquah
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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.

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).

Issaquah Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Issaquah - and find the best time to visit.

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
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

Issaquah 3-Day Forecast

Popular in April

Where to go in April - average daytime high across popular destinations.

Bucket list

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