Champaign weather in April 2026

Q: How warm is it in Champaign in April?

Daytime temperatures usually reach 15°C in Champaign in April, falling to 3°C at night.

Q: How sunny is it in Champaign in April?

There are normally 7 hours of bright sunshine each day in Champaign in April - that's 55% of daylight hours.

Q: Is the sea cold around Champaign in April?

The average sea temperature around Champaign in April is 3°C.

Q: Does it rain in Champaign in April?

There are usually 13 days with some rain in Champaign in April and the average monthly rainfall is 96mm.

Expect daytime maximum temperatures of 63°F in Champaign, Illinois in April based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 3.9 inches of rainfall in the month.

63
63°F max day temperature
7
7 hours of sunshine per day
12
12 days with some rainfall
41
41°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
3.9
3.9 inches of monthly rainfall
6
6 (High) UV index

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The April 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) | Imperial (°F)