Ohio State : Climatic Conditions
Ohio experiences a temperate climate with cold winters and mild summers. The southern region has the warmest temperatures and longest growing season about 198 days on an average, compared with 150 to 178 days in the remainder of the state. Among the major cities, Columbus has an annual mean temperature of 51°F (11°C), with a normal maximum of 61°F (16°C) and a normal minimum of 42°F (6°C). Cleveland has an annual mean of 50°F (10°C), with a normal maximum of 59°F (15°C) and minimum of 41°F (5°C). In Cincinnati, the mean temperature is 53°F (12°C), the normal maximum 63°F (17°C), and the normal minimum 43°F (6°C). Cleveland has an average annual snowfall of 56.3 in (143 cm), while Columbus receives an average annual rainfall of 28 inches (71 cm), and Cincinnati 24 inches (61 cm).