South Wales Rainfall Forecast

Today 18 May
10%
Tue 19 May
15%
Wed 20 May
90%
Thu 21 May
No Rain
Fri 22 May
25%
Sat 23 May
60%
Sun 24 May
45%

South Wales Rainfall Statistics

May Rainfall

Buffalo, Greater Buffalo International Airport (17.4 miles)

Total Rainfall 2026
18.3in
Daily Average 2026
0.1in
Wettest Day 31 March, 2026
1.3in
Wet Days 2026
81/138 (59%)
Total Rainfall April
5.6in
Daily Average April
0.2in
Wettest Day 25 April, 2026
1.1in
Wet Days April
20/30 (67%)
Total Rainfall May
1.7in
Daily Average May
0.1in
Wettest Day 5 May, 2026
0.7in
Wet Days May
9/18 (50%)

Climate (2010–Present)

Buffalo, Greater Buffalo International Airport (17.4 miles)

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Annual Average 2021–2025
39in
Monthly Average 2021–2026
3.4in
Daily Average 2021–2026
0.1in
Wettest Day 26 December, 2022
4in

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