Johnstown Rainfall Forecast

Today 16 Jun
40%
Tue 17 Jun
45%
Wed 18 Jun
80%
Thu 19 Jun
25%
Fri 20 Jun
15%
Sat 21 Jun
25%
Sun 22 Jun
5%

Johnstown Rainfall Statistics

June Rainfall

Janesville-Rock County (13 miles)

Total Rainfall 2025
4.7in
Daily Average 2025
0.03in
Wettest Day 4 June, 2025
1.8in
Wet Days 2025
19/167 (11%)
Total Rainfall May
0.5in
Daily Average May
0.02in
Wettest Day 2 May, 2025
0.3in
Wet Days May
3/31 (10%)
Total Rainfall June
2.9in
Daily Average June
0.2in
Wettest Day 4 June, 2025
1.8in
Wet Days June
2/16 (13%)

Climate (2010–Present)

Janesville-Rock County (13 miles)

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Annual Average 2020–2024
12.5in
Monthly Average 2020–2025
1in
Daily Average 2020–2025
0.04in
Wettest Day 22 June, 2024
2.2in

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