May weather forecast
Ohio, USA

May ushers in a more definite arrival of spring in Ohio, with temperatures warming substantially and the landscape coming to life. Minimum temperatures in May typically range from 47°F (8.3°C) to 49°F (9.4°C), while maximum temperatures hover between 68°F (20°C) to 70°F (21.1°C).

Northern regions, especially those near Lake Erie, continue to experience a moderating effect from the lake, keeping temperatures slightly cooler. Conversely, the southern parts warm more swiftly, embracing the more temperate climate.

Rainfall remains prominent in May, though not as abundant as in April. Thunderstorms persist, particularly in the southern regions. The average monthly rainfall lies between 3" (76mm) to 3.5" (89mm), making May a wet month, but not as wet as April.

Snow is virtually absent in May, marking a complete transition from the winter weather pattern. The state's rivers, including the Scioto, Maumee, and Muskingum, begin to show increased activity as temperatures rise and rainfall continues.

The cities in the extreme south and those near Lake Erie maintain their unique weather patterns, influenced by geographical and topographical factors.

May stands in stark contrast to the preceding winter months, offering a pronounced shift towards warmth and spring vitality. The increase in temperatures, coupled with the ongoing rainfall and absence of snow, sets May apart from April, further emphasizing the state's journey into the warmer seasons. May serves as a harbinger of the imminent summer, providing a pleasant and vibrant climate throughout Ohio.

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• Columbus - May »
  In Columbus snow does not fall in May through September. In May, the rain falls for 18.4 days.
• Cleveland - May »
  In Cleveland, Ohio, in May, during 14.8 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Cleveland, during the entire year, the rain falls for 150.7 days and collects up to 17.44" (443mm) of precipitation.
• Cincinnati - May »
  On the first day of May in Cincinnati, Ohio, sunrise is at 6:38 am and sunset at 8:31 pm. In Cincinnati, Ohio, in May, it is raining for 17.7 days, with typically 3.27" (83mm) of accumulated precipitation.
• Toledo - May »
  Throughout the year, in Toledo, Ohio, there are 44.4 snowfall days, and 12.6" (320mm) of snow is accumulated. On the last day of the month, in Toledo, sunrise is at 6:02 am and sunset at 9:01 pm EDT.
• Akron - May »
  On the last day of the month, in Akron, sunrise is at 5:55 am and sunset at 8:51 pm EDT. In Akron, during the entire year, the rain falls for 175.8 days and collects up to 32.32" (821mm) of precipitation.
• Dayton - May »
  The month with the most rainfall in Dayton is May, when the rain falls for 18.8 days and typically aggregates up to 3.35" (85mm) of precipitation. In Dayton during May, the rain falls for 18.8 days and regularly aggregates up to 3.35" (85mm) of precipitation.
• Parma - May »
  The month with the most rainfall in Parma is May, when the rain falls for 14.2 days and typically aggregates up to 1.06" (27mm) of precipitation. On the last day of the month, in Parma sunrise is at 5:55 am and sunset at 8:53 pm EDT.
• Canton - May »
  In Canton during the entire year, snow falls for 64.5 days and aggregates up to 19.88" (505mm) of snow. In Canton, during May, the rain falls for 18.7 days and regularly aggregates up to 2.6" (66mm) of precipitation.
• Youngstown - May »
  In Youngstown during May, the rain falls for 19.3 days and regularly aggregates up to 3.31" (84mm) of precipitation. The months with the lowest humidity in Youngstown are April, May, July and August, with an average relative humidity of 77%.
• Lorain - May »
  In Lorain during May, the rain falls for 17.8 days and regularly aggregates up to 3.94" (100mm) of precipitation. In Lorain, during the entire year, the rain falls for 168.5 days and collects up to 34.37" (873mm) of precipitation.
• Hamilton - May »
  The months with the highest UV index in Hamilton are May through August, with an average maximum UV index of 6. May through October are months without snowfall in Hamilton, Ohio.
• Springfield - May »
  May is the last month it regularly snows in Springfield, Ohio. May is the last month it regularly snows in Springfield, Ohio.