Perth Rainfall Forecast

Today 18 May
85%
Tue 19 May
80%
Wed 20 May
65%
Thu 21 May
5%
Fri 22 May
50%
Sat 23 May
50%
Sun 24 May
25%

Perth Rainfall Statistics

May Rainfall

Terre Haute Regional Airport (13 miles)

Total Rainfall 2026
10.7in
Daily Average 2026
0.1in
Wettest Day 27 April, 2026
2.3in
Wet Days 2026
37/138 (27%)
Total Rainfall April
4.7in
Daily Average April
0.2in
Wettest Day 27 April, 2026
2.3in
Wet Days April
11/30 (37%)
Total Rainfall May
2.1in
Daily Average May
0.1in
Wettest Day 5 May, 2026
1.2in
Wet Days May
7/18 (39%)

Climate (2010–Present)

Terre Haute Regional Airport (13 miles)

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Annual Average 2021–2025
36.3in
Monthly Average 2021–2026
3in
Daily Average 2021–2026
0.1in
Wettest Day 19 June, 2021
3.5in

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