Average Precipitation for Ohio in May





The tables below give monthly averages for rainfall plus snowfall during May at cities, communities and other locations around Ohio.

Each place has a total for the amount of precipitation it usually receives this month. There is also a count of the number of days with wet weather, when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The precipitation totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

You can jump to a separate table for Northern Ohio and Southern Ohio.

Northern Ohio

Average monthly precipitation in May
Days Place Inches Milli­metres
14 Akron 4.1 105
14 Ashtabula 3.3 84
14 Chardon 4.4 112
14 Chippewa Lake 4.0 103
13 Cleveland 3.8 96
14 Findlay 4.1 103
13 Fremont 3.8 97
13 Lima 4.4 111
14 Mansfield 4.2 106
13 Marion 4.2 107
15 New Philadelphia 4.2 107
13 Norwalk 3.9 99
13 Ottawa National Wildlife Refuge 4.2 106
13 Painesville on the Lake 3.4 87
14 Steubenville 4.3 109
13 Tiffin 4.1 104
13 Toledo 3.8 97
14 Wooster 4.5 115
14 Youngstown 3.7 94

Southern Ohio

May averages for total rainfall plus snowfall
Days Place Inches Milli­metres
14 Athens 4.2 107
12 Chilo Lock Park 4.6 117
14 Cincinnati 4.7 119
14 Columbus 4.0 101
14 Dayton 4.4 111
13 Gallipolis 4.5 114
13 Greenville 4.3 109
13 Hannibal Lock & Dam 4.5 114
14 Marietta 4.4 110
13 McConnelsville Lock 4.4 111
13 Newark 4.2 108
13 Portsmouth 4.6 117
14 Springfield 4.6 117
14 Wilmington 4.7 119
13 Zanesville 3.8 96
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Ohio Precipitation
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