May weather forecast and climate
Ohio, USA

Flag of Ohio, USA
Flag of Ohio, USA

Weather in May

May is wet in the spring season of Ohio with 4" (102mm) to 5" (127mm) of rainfall and wetter south compared to the north. The daily sunshine of 7 hours is of moderate intensity and charges the atmosphere.
The average day temperatures are in the warm 69°F (20.6°C) to 78°F (25.6°C) range, while the nights tend to be cold but comfortable between 47°F (8.3°C) to 54°F (12.2°C). Lima in the north registers temperatures between 50°F (10°C) to 71°F (21.7°C), while Dayton in the south is between 53°F (11.7°C) to 74°F (23.3°C). The ground is freeze-free by early May statewide, paving the way for the growing season.
Localized floods swell the rivers and streams due to heavy rainfall and the melting of snow. There are many sunny days between wet periods, and the state sees a rise in tourist footfall. Wear rain jackets while outdoors for protection from sudden rain. Expect temperatures to rise with each passing day. Budget travelers find travel and hotel deals in Ohio in May.
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