Dayton weather in May 2025

Expect daytime maximum temperatures of 23°C in Dayton in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 12 days with some rainfall and typically 95 mm of rainfall in the month.

  • 23°C maximum daytime temperature in May in Dayton23
    23°C max day temperature
  • 8 hours of sunshine per day
  • 12 days with some rainfall in May in Dayton12
    12 days with some rainfall
  • 11°C minimum night-time temperature in May in Dayton11
    11°C 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
  • 95 mm monthly rainfall in May in Dayton95
    95 mm 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Dayton in May?

Daytime temperatures usually reach 23°C in Dayton in May, falling to 11°C 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 95mm.

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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