Janesville Rainfall Forecast

  • No Rain
  • 5%
  • 5%
  • 35%
  • 10%
  • No Rain
  • 5%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Janesville Rainfall Statistics

May Rainfall

Mattoon / Charleston, Coles County Memorial Airport (6.8 miles)

  • Total Rainfall May

    3.8in

  • Daily Average May

    0.1in

  • Wettest Day 5 May, 2026

    1.5in

  • Wet Days May

    10/29 (34%)

Climate (2010–Present)

Mattoon / Charleston, Coles County Memorial Airport (6.8 miles)

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  • Annual Average 2021–2025

    35.9in

  • Monthly Average 2021–2026

    3.1in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 9 July, 2024

    3.6in
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