Winthrop, WA has a warm and dry climate with hot summers and mild winters. Average summer temperatures range from 80-90°F while winter temperatures range from 20-30°F. The surrounding mountains provide some relief during the hottest part of the summer, but Winthrop is still considered a high desert climate. Rainfall is light throughout the year, with most of it occurring between October and May. Winthrop receives an average of 13 inches of precipitation each year, allowing for an abundance of sunshine in the warmer months.
Winthrop, Washington gets 21 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Winthrop averages 88 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 188 sunny days per year in Winthrop. The US average is 205 sunny days.
Winthrop gets some kind of precipitation, on average, 103 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 84 degrees
Winter Low: the January low is 16
Rain: averages 21 inches of rain a year
Snow: averages 88 inches of snow a year