Decatur weather in April 2025

Expect 64°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Decatur in April. Check more long-term weather averages for Decatur in April before you book your next holiday to Illinois in 2025/2026.

  • 64°F maximum daytime temperature in April in Decatur64
    64°F max day temperature
  • 8 hours of sunshine per day
  • 12 days with some rainfall in April in Decatur12
    12 days with some rainfall
  • 41°F minimum night-time temperature in April in Decatur41
    41°F min night temperature
  • 13 hours of daylight per day in April in Decatur13
    13 hours of daylight per day
  • No heat & humidity in April in Decatur0
    No heat & humidity
  • 3.8 inches monthly rainfall in April in Decatur3.8
    3.8 inches of monthly rainfall
  • UV (maximum) index 6 (High) in April in Decatur6
    6 (High) UV index

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The April weather guide for Illinois (Decatur) 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 Decatur in April?

Daytime temperatures usually reach 64°F in Decatur in April, falling to 41°F at night.

How sunny is it in Decatur in April?

There are normally 8 hours of bright sunshine each day in Decatur in April - that's 56% of daylight hours.

Does it rain in Decatur in April?

There are usually 12 days with some rain in Decatur in April and the average monthly rainfall is 3.8 inches.

Decatur April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 05:39 18:20
Tuesday, 15th April 2025 05:18 18:35
Wednesday, 30th April 2025 04:57 18:50

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