Issaquah, Washington gets 53 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Issaquah averages 6 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 154 sunny days per year in Issaquah. The US average is 205 sunny days.
Issaquah gets some kind of precipitation, on average, 173 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Summer High: the July high is around 76 degrees
Winter Low: the January low is 35
Rain: averages 53 inches of rain a year
Snow: averages 6 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Issaquah is 7.1 (10=best), which means it is about average compared to other places in Washington.
9.1 / 5.2
Summer / Winter
August, July and September are the most pleasant months in Issaquah, while December and January are the least comfortable months.