Chicago weather in March 2025

Expect 8°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Chicago in March. Check more long-term weather averages for Chicago in March before you book your next holiday to Illinois in 2025/2026.

  • 8°C maximum daytime temperature in March in Chicago8
    8°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in March in Chicago13
    13 days with some rainfall
  • -2°C minimum night-time temperature in March in Chicago-2
    -2°C min night temperature
  • 12 hours of daylight per day in March in Chicago12
    12 hours of daylight per day
  • No heat & humidity in March in Chicago0
    No heat & humidity
  • 67 mm monthly rainfall in March in Chicago67
    67 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in March in Chicago4
    4 (Moderate) UV index
  • 3°C sea temperature in March in Chicago3
    3°C sea temperature

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