Indianapolis weather in May 2025

Expect 23°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Indianapolis in May. Check more long-term weather averages for Indianapolis in May before you book your next holiday to Indiana in 2025/2026.

  • 23°C maximum daytime temperature in May in Indianapolis23
    23°C max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in May in Indianapolis11
    11 days with some rainfall
  • 11°C minimum night-time temperature in May in Indianapolis11
    11°C min night temperature
  • 14 hours of daylight per day in May in Indianapolis14
    14 hours of daylight per day
  • No heat & humidity in May in Indianapolis0
    No heat & humidity
  • 105 mm monthly rainfall in May in Indianapolis105
    105 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Indianapolis8
    8 (Very High) UV index

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The May weather guide for Indiana (Indianapolis) 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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More about the USA

How hot is it in Indianapolis in May?

Daytime temperatures usually reach 23°C in Indianapolis in May, falling to 11°C at night.

How sunny is it in Indianapolis in May?

There are normally 9 hours of bright sunshine each day in Indianapolis in May - that's 60% of daylight hours.

Does it rain in Indianapolis in May?

There are usually 11 days with some rain in Indianapolis in May and the average monthly rainfall is 105mm.

Indianapolis May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:45 19:39
Friday, 16th May 2025 05:29 19:54
Saturday, 31st May 2025 05:19 20:06

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