Washington County, Minnesota has a humid continental climate with cold winters and mild summers. The average annual temperature is around 43 degrees Fahrenheit (6 degrees Celsius) with January being the coldest month and July being the warmest. Precipitation in the area averages 30 inches per year, with most rainfall occurring from April through September. During the winter months, snowfall amounts can range from 8 to 20 inches depending on location within the county. Despite its generally colder climate, Washington County experiences all four seasons and offers plenty of outdoor recreational activities throughout the year.
Washington County, Minnesota gets 33 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Washington County averages 49 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 196 sunny days per year in Washington County. The US average is 205 sunny days.
Washington County gets some kind of precipitation, on average, 109 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 83 degrees
Winter Low: the January low is 5
Rain: averages 33 inches of rain a year
Snow: averages 49 inches of snow a year