South Yankton Rainfall Forecast

Today 20 May
65%
Wed 21 May
35%
Thu 22 May
25%
Fri 23 May
40%
Sat 24 May
25%
Sun 25 May
55%
Mon 26 May
60%

South Yankton Rainfall Statistics

May Rainfall

Yankton, Chan Gurney Municipal Airport (4.3 miles)

Total Rainfall 2025
3.8in
Daily Average 2025
0.03in
Wettest Day 15 May, 2025
0.8in
Wet Days 2025
23/140 (16%)
Total Rainfall April
1.1in
Daily Average April
0.04in
Wettest Day 26 April, 2025
0.3in
Wet Days April
12/30 (40%)
Total Rainfall May
1.1in
Daily Average May
0.1in
Wettest Day 15 May, 2025
0.8in
Wet Days May
3/20 (15%)

Climate (2010–Present)

Yankton, Chan Gurney Municipal Airport (4.3 miles)

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Annual Average 2020–2024
20.3in
Monthly Average 2020–2025
1.7in
Daily Average 2020–2025
0.1in
Wettest Day 16 August, 2022
3.2in

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