98537 Cosmopolis, WA typically experiences cool Mediterranean-like weather with mild winters and warm summers. The area also has plenty of rainfall throughout the year, with the exception of a few weeks during the summer months when dry conditions can occur. Average temperatures in the region range from 33-66 degrees Fahrenheit, while average annual precipitation is approximately 40 inches. This mild climate creates an ideal environment for outdoor activities and recreation in the region.
Cosmopolis (zip 98537), Washington gets 74 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Cosmopolis (zip 98537) averages 2 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 129 sunny days per year in Cosmopolis (zip 98537). The US average is 205 sunny days.
Cosmopolis (zip 98537) gets some kind of precipitation, on average, 189 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 70 degrees
Winter Low: the January low is 37
Rain: averages 74 inches of rain a year
Snow: averages 2 inches of snow a year