Ohio climate

World Climates covers 6 places in Ohio. By annual mean temperature, the warmest is Cincinnati (13 °C55 °F) and the coolest is Akron (10 °C50 °F). The wettest is Cincinnati with 1,116 mm44 in of precipitation per year, the driest Toledo with 906 mm36 in.

The most common climate types (Köppen classification computed from these averages) are hot-summer humid continental (Dfa, 6 places).

The highest monthly average high is in Cincinnati (31 °C87 °F in August); the lowest monthly average low is in Toledo (−8 °C18 °F in January).

Across the places in Ohio, the months that most often rank as the most comfortable are June, August and September (3, 3 and 6 of 6 places respectively).

Temperature and rainfall across Ohio

Annual mean temperatures in Ohio range from 10 °C50 °F to 13 °C55 °F. The typical place (the median of all 6) has a year average of 11 °C52 °F. Annual precipitation ranges from 906 mm36 in to 1,116 mm44 in. The median place receives about 990 mm39 in in an average year.

In 6 places of 6, the coldest month has an average low below 0 °C (32 °F). In 1 place, the warmest month has an average high above 30 °C (86 °F). No place here gets less than 250 mm (10 in) of precipitation a year. None gets more than 2,000 mm (79 in) a year.

Averaged over all 6 places, July is the warmest month, with a mean of 24 °C75 °F. January is the coldest, with −2 °C28 °F. The wettest month on average is May (105 mm4.2 in). The driest is February (62 mm2.5 in). Single places can differ a lot from this average, so check the page of each city.

The table below lists the places sorted by population. The largest ones covered here are Columbus, Cleveland and Cincinnati. Each city page has a chart and a table for every month. It also shows the best time to visit and what to pack. The figures are 25-year averages for 2001–2025 from NASA POWER. They describe grid cells of roughly 50–70 km, not single weather stations.

Climate of each place in Ohio

Columbus has a hot-summer humid continental climate (Köppen Dfa). Its year average is 11 °C52 °F. The warmest month is July, with an average high of 29 °C84 °F. The coldest is January, with an average low of −6 °C21 °F. About 986 mm39 in of precipitation falls in a year. May is the wettest month and February the driest. By our comfort score, the best months to visit are September.

Cleveland has a hot-summer humid continental climate (Köppen Dfa). Its year average is 11 °C51 °F. The warmest month is July, with an average high of 26 °C79 °F. The coldest is January, with an average low of −5 °C23 °F. About 936 mm37 in of precipitation falls in a year. June is the wettest month and February the driest. By our comfort score, the best months to visit are June–September.

Cincinnati has a hot-summer humid continental climate (Köppen Dfa). Its year average is 13 °C55 °F. The warmest month is July, with an average high of 31 °C87 °F. The coldest is January, with an average low of −5 °C23 °F. About 1,116 mm44 in of precipitation falls in a year. May is the wettest month and January the driest. By our comfort score, the best months to visit are September.

Toledo has a hot-summer humid continental climate (Köppen Dfa). Its year average is 10 °C51 °F. The warmest month is July, with an average high of 29 °C85 °F. The coldest is January, with an average low of −8 °C18 °F. About 906 mm36 in of precipitation falls in a year. May is the wettest month and January the driest. By our comfort score, the best months to visit are June and August and September.

Akron has a hot-summer humid continental climate (Köppen Dfa). Its year average is 10 °C50 °F. The warmest month is July, with an average high of 29 °C84 °F. The coldest is January, with an average low of −7 °C19 °F. About 995 mm39 in of precipitation falls in a year. June is the wettest month and February the driest. By our comfort score, the best months to visit are May and June and August and September.

Dayton has a hot-summer humid continental climate (Köppen Dfa). Its year average is 11 °C52 °F. The warmest month is July, with an average high of 29 °C84 °F. The coldest is January, with an average low of −7 °C20 °F. About 1,035 mm41 in of precipitation falls in a year. May is the wettest month and February the driest. By our comfort score, the best months to visit are September.

Frequently asked questions

Which is the warmest place in Ohio?

By annual mean temperature, the warmest place in Ohio is Cincinnati at 13 °C55 °F. The coolest is Akron at 10 °C50 °F.

Where does it rain the most in Ohio?

Cincinnati gets the most precipitation, 1,116 mm44 in in an average year. The driest place is Toledo with 906 mm36 in.

How many places in Ohio does this site cover?

World Climates has climate data for 6 places in Ohio. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.

When is the best time to visit Ohio?

It depends on the place. Across Ohio, the months that most often rank as the most comfortable are June, August and September. Check the page of each city for its own best months.