South Yankton Rainfall Forecast

Today 16 Aug
5%
Mon 17 Aug
30%
Tue 18 Aug
75%
Wed 19 Aug
35%
Thu 20 Aug
30%
Fri 21 Aug
15%
Sat 22 Aug
15%

South Yankton Rainfall Statistics

August Rainfall

Yankton, Chan Gurney Municipal Airport (4.3 miles)

Total Rainfall 2026
9in
Daily Average 2026
0.04in
Wettest Day 23 July, 2026
1in
Wet Days 2026
38/228 (17%)
Total Rainfall July
1.9in
Daily Average July
0.1in
Wettest Day 23 July, 2026
1in
Wet Days July
5/31 (16%)
Total Rainfall August
1.7in
Daily Average August
0.1in
Wettest Day 13 August, 2026
0.8in
Wet Days August
4/16 (25%)

Climate (2021–2025)

Yankton, Chan Gurney Municipal Airport (4.3 miles)

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Annual Average 2021–2025
20.6in
Monthly Average 2021–2026
1.7in
Daily Average 2021–2026
0.1in
Wettest Day 16 August, 2022
3.2in

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