Darien Rainfall Forecast

Today 25 May
20%
Tue 26 May
No Rain
Wed 27 May
25%
Thu 28 May
35%
Fri 29 May
5%
Sat 30 May
5%
Sun 31 May
10%

Darien Rainfall Statistics

May Rainfall

Janesville-Rock County (16.8 miles)

Total Rainfall 2026
5.1in
Daily Average 2026
0.04in
Wettest Day 10 April, 2026
0.7in
Wet Days 2026
23/145 (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
0.3in
Daily Average May
0.01in
Wettest Day 19 May, 2026
0.2in
Wet Days May
2/25 (8%)

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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