Dayton weather in May 2025

Expect 73°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Dayton in May. Check more long-term weather averages for Dayton in May before you book your next holiday to Ohio in 2025/2026.

  • 73°F maximum daytime temperature in May in Dayton73
    73°F max day temperature
  • 8 hours of sunshine per day
  • 12 days with some rainfall in May in Dayton12
    12 days with some rainfall
  • 52°F minimum night-time temperature in May in Dayton52
    52°F min night temperature
  • 14 hours of daylight per day in May in Dayton14
    14 hours of daylight per day
  • No heat & humidity in May in Dayton0
    No heat & humidity
  • 3.7 inches monthly rainfall in May in Dayton3.7
    3.7 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Dayton8
    8 (Very High) UV index

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The May weather guide for Ohio (Dayton) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in Dayton in May?

Daytime temperatures usually reach 73°F in Dayton in May, falling to 52°F at night.

How sunny is it in Dayton in May?

There are normally 8 hours of bright sunshine each day in Dayton in May - that's 58% of daylight hours.

Does it rain in Dayton in May?

There are usually 12 days with some rain in Dayton in May and the average monthly rainfall is 3.7 inches.

Dayton May sunrise & sunset times

Browse the sunrise and sunset times for Dayton in May 2025. Select a month to view Dayton sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:37 19:31
Friday, 16th May 2025 05:21 19:46
Saturday, 31st May 2025 05:11 19:58

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