Weather Averages in Cincinnati
Cincinnati is at the southern limit of the humid continental climate zone (Köppen: Dfa). Summers are warm to hot and humid, with significant rainfall in each month and highs reaching 90 °F (32 °C) or above on 21 days per year, often with high dew points and humidity. July is the warmest month, with a daily average temperature of 75.9 °F (24.4 °C).
Winters tend to be cold and snowy, with January, the coldest month, averaging at 30.8 °F (−0.7 °C). Lows reach 0 °F (−18 °C) on an average 2.6 nights yearly. An average winter will see around 22.1 inches (56 cm) of snowfall, contributing to the yearly 42.5 inches (1,080 mm) of weatherfall, with rainfall peaking in spring. Extremes range from −25 °F (−32 °C) on January 18, 1977 up to 108 °F (42 °C) on July 21 and 22, 1934. Severe thunderstorms are common in the warmer months, and tornadoes, while infrequent, are not unknown, with such events striking the Greater Cincinnati area most recently in 1974, 1999, 2012, and 2017.
As for averages in high and low temperatures, here is a quick breakdown on them. All temperatures in parentheses are in Celsius, while temperatures that are not in parentheses are in Fahrenheit. Without further ado, let us begin.
January high temperatures average at 38.7(3.7) degrees, while average low temperatures in this month amount to 23.0(−5) degrees.
February high temperatures average at 42.9(6.1) degrees, while average low temperatures in this month amount to 26.0(−3.3) degrees.
March high temperatures average at 53.2(11.8) degrees, while average low temperatures in this month amount to 34.0(1.1) degrees.
April high temperatures average at 64.7(18.2) degrees, while average low temperatures in this month amount to 43.7(6.5) degrees.
May high temperatures average at 73.7(23.2) degrees, while average low temperatures in this month amount to 53.2(11.8) degrees.
June high temperatures average at 82.1(27.8) degrees, while average low temperatures in this month amount to 62.0(16.7) degrees.
July high temperatures average at 85.6(29.8) degrees, while average low temperatures in this month amount to 66.1(18.9) degrees.
August high temperatures average at 84.9(29.4) degrees, while average low temperatures in this month amount to 64.8(18.2) degrees.
September high temperatures average at 78.1(25.6) degrees, while average low temperatures in this month amount to 57.0(13.9) degrees.
October high temperatures average at 66.2(19) degrees, while average low temperatures in this month amount to 45.5(7.5) degrees.
November high temperatures average at 54.0(12.2) degrees, while average low temperatures in this month amount to 36.2(2.3) degrees.
December high temperatures average at 41.6(5.3) degrees, while average low temperatures in this month amount to 26.6(−3) degrees.
Yearly combined high temperatures average at 63.9(17.7) degrees, while average low temperatures of all months combined amount to 44.9(7.2) degrees.