98029 Issaquah, WA has a warm and temperate climate. During the summer months, temperatures can reach into the 80s and 90s with moderate humidity levels. Winters are generally mild, with temperatures rarely dipping below freezing and occasional snowfall. Rain is common throughout the year, though it is usually light and scattered. The region experiences plenty of sunshine throughout the year with some cloud cover in the afternoons during summers and mornings during winter months.
Issaquah (zip 98029), Washington gets 53 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Issaquah (zip 98029) averages 6 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 151 sunny days per year in Issaquah (zip 98029). The US average is 205 sunny days.
Issaquah (zip 98029) gets some kind of precipitation, on average, 174 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.
Weather Highlights
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