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Aug 20, 2024 · The month with the most rainfall is December, when the rain falls for 13.7 days and typically aggregates up to 2.01" (51mm) of precipitation. What is the month with the shortest days in Issaquah? December has the shortest days of the year, with an average of 8h and 30min of daylight .
The climate is warm and temperate in Issaquah. In Issaquah, precipitation is more abundant during the winter season compared to summer. As per the Köppen-Geiger classification, the prevailing weather conditions in this region are categorized under Csb.
7-hour rain and snow forecast for Issaquah, WA with 24-hour rain accumulation, radar and satellite maps of precipitation by Weather Underground.
RealFeel® 55°. RealFeel Shade™ 55°. Some sun, then turning cloudy with a couple of showers. Max UV Index 2 Low. Wind SSW 9 mph. Wind Gusts 20 mph. Probability of Precipitation 84% ...
Weather.com brings you the most accurate monthly weather forecast for Issaquah, WA with average/record and high/low temperatures, precipitation and more.
Issaquah (WA) Precipitation: Average Monthly Rainfall and Snowfall. This graph shows the average amount of rainfall per month in Issaquah (Washington State). The numbers are calculated over a 30-year period to provide a reliable average.
Rainfall in Issaquah averages approximately 38 inches per year, with most of the precipitation coming during the fall months when storms can sweep through the region. Overall, Issaquah enjoys a pleasant climate with warmer temperatures in the summer and cooler temperatures during winter.
