Washington, OH County has a humid continental climate with relatively mild winters and hot, humid summers. In the summertime, temperatures average in the mid-80s Fahrenheit with high levels of humidity, while in winter the area usually experiences cooler temperatures in the 30s and 40s Fahrenheit. The region receives an average of 40 inches of precipitation per year with most of it occurring during the warmer months. Snowfall is common throughout winter and spring, but typically melts quickly due to Washington's moderate climate.
Washington County, Ohio gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Washington County averages 20 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 174 sunny days per year in Washington County. The US average is 205 sunny days.
Washington County gets some kind of precipitation, on average, 140 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 85 degrees
Winter Low: the January low is 21
Rain: averages 42 inches of rain a year
Snow: averages 20 inches of snow a year