Swansea Rainfall Forecast

Today 11 May
No Rain
Tue 12 May
No Rain
Wed 13 May
65%
Thu 14 May
No Rain
Fri 15 May
20%
Sat 16 May
25%
Sun 17 May
25%

Swansea Rainfall Statistics

May Rainfall

Belleville, Scott AFB/MidAmerica Airport (7.5 miles)

Total Rainfall 2026
10.5in
Daily Average 2026
0.1in
Wettest Day 14 February, 2026
1in
Wet Days 2026
35/131 (27%)
Total Rainfall April
4.6in
Daily Average April
0.2in
Wettest Day 27 April, 2026
1in
Wet Days April
11/30 (37%)
Total Rainfall May
1.3in
Daily Average May
0.2in
Wettest Day 8 May, 2026
0.5in
Wet Days May
6/11 (55%)

Climate (2010–Present)

Belleville, Scott AFB/MidAmerica Airport (7.5 miles)

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Annual Average 2021–2025
33.5in
Monthly Average 2021–2026
2.8in
Daily Average 2021–2026
0.1in
Wettest Day 11 May, 2022
6.4in

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