The temperatures in Dayton in May are comfortable with low of 13°C and and high up to 22°C.
You can expect rain for roughly half of the month of May in Dayton. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Dayton in May 2025.
If you’re planning to visit Dayton in the near future, we highly recommend that you review the 14 day weather forecast for Dayton before you arrive.
Temperatures
22° / 13°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
155
mm
Sun Hours
9.5
Hrs
