Champaign weather in May 2025

Expect daytime maximum temperatures of 23°C in Champaign, Illinois in May based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 101 mm of rainfall in the month.

  • 23°C maximum daytime temperature in May in Champaign23
    23°C max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in May in Champaign11
    11 days with some rainfall
  • 11°C minimum night-time temperature in May in Champaign11
    11°C min night temperature
  • 14 hours of daylight per day in May in Champaign14
    14 hours of daylight per day
  • No heat & humidity in May in Champaign0
    No heat & humidity
  • 101 mm monthly rainfall in May in Champaign101
    101 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Champaign8
    8 (Very High) UV index

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The May weather guide for Illinois (Champaign) 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 Champaign in May?

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

How sunny is it in Champaign in May?

There are normally 9 hours of bright sunshine each day in Champaign in May - that's 62% of daylight hours.

Does it rain in Champaign in May?

There are usually 11 days with some rain in Champaign in May and the average monthly rainfall is 101mm.

Champaign May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:52 18:48
Friday, 16th May 2025 04:36 19:03
Saturday, 31st May 2025 04:26 19:16

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