Janesville Rainfall Forecast

Today 7 Apr
15%
Wed 8 Apr
5%
Thu 9 Apr
10%
Fri 10 Apr
45%
Sat 11 Apr
30%
Sun 12 Apr
5%
Mon 13 Apr
50%

Janesville Rainfall Statistics

April Rainfall

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

Total Rainfall 2026
9.9in
Daily Average 2026
0.1in
Wettest Day 3 March, 2026
1.5in
Wet Days 2026
25/97 (26%)
Total Rainfall March
6.6in
Daily Average March
0.2in
Wettest Day 3 March, 2026
1.5in
Wet Days March
12/31 (39%)
Total Rainfall April
1.3in
Daily Average April
0.3in
Wettest Day 4 April, 2026
0.7in
Wet Days April
4/7 (57%)

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
3in
Daily Average 2021–2026
0.1in
Wettest Day 9 July, 2024
3.6in

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