In the United States, what city averages the most rainfall?
According the National Climactic Data Center, for the 30-year period 1961-90, Quillayute, Washington, has the highest monthly precipitation. December averages 15.46 inches. However, to be truly fair, we need to tell you that pales in comparison to Yakutat, Alaska, which in October averages 23 inches of precipitation per month. Yakutat also has the highest average annual precipitation in the 50 United States, more than 150 inches.