Southwest Ohio

Climate

Winter  Winters can vary from mild to very cold. Snowfall isn't excessive, however, it's possible and certainly not unheard of that snow can fall at a rate that will cause havoc with traffic.Spring  Springtime is often cool, with cold and warm days sprinkled throughout the period. As Dayton lies in the upper tip of "Tornado Valley", storms during this period may produce tornadoes, so it's importantSummer  Summers are characteristically hot and humid. While the thermometer may read one number in the summer, it will often feel hotter due to the humidity.Autumn  Autumn in Dayton and Southwest Ohio is usually cool, but temperatures can spike as high as the 90's with a sucker punch of humidity. Storms seem to increase during this period too, which, due to the fluctuation of temperatures can produce extremely dangerous storms with the potential of producing tornadoes late into the year.