Winona, MN County has a humid continental climate, with hot summers and cold winters. The county experiences an average of 20 inches of precipitation annually. Winona is located in the southeastern corner of Minnesota where it can experience warm air from the Gulf of Mexico. In summer months, temperatures typically reach into the high 70s and low 80s Fahrenheit during the day with mild nights that generally remain above 50 °F (10 °C). Winters are cold and snowy. Temperatures often fall below freezing overnight and stay in the mid-20s during the day. Snowfall averages around 40 inches per year in Winona.
Winona County, Minnesota gets 34 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Winona County averages 39 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 Winona County. The US average is 205 sunny days.
Winona County gets some kind of precipitation, on average, 107 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 7
Rain: averages 34 inches of rain a year
Snow: averages 39 inches of snow a year