Darien Rainfall Forecast

Today 13 May
5%
Thu 14 May
No Rain
Fri 15 May
50%
Sat 16 May
35%
Sun 17 May
55%
Mon 18 May
50%
Tue 19 May
65%

Darien Rainfall Statistics

May Rainfall

Janesville-Rock County (16.8 miles)

Total Rainfall 2026
4.8in
Daily Average 2026
0.04in
Wettest Day 10 April, 2026
0.7in
Wet Days 2026
21/133 (16%)
Total Rainfall April
3.4in
Daily Average April
0.1in
Wettest Day 10 April, 2026
0.7in
Wet Days April
14/30 (47%)
Total Rainfall May
0in
Daily Average May
0in
Wettest Day 1 May, 2026
0in
Wet Days May
–

Climate (2010–Present)

Janesville-Rock County (16.8 miles)

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Annual Average 2021–2025
13.4in
Monthly Average 2021–2026
1.2in
Daily Average 2021–2026
0.04in
Wettest Day 22 June, 2024
2.2in

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