Okoboji Rainfall Forecast
- No Rain
- 10%
- 55%
- 95%
- 60%
- 35%
- 35%
Okoboji Rainfall Statistics
September Rainfall
Spencer Municipal Airport (14.9 miles)
Total Rainfall September
3.7inDaily Average September
0.4inWettest Day 6 September, 2026
2inWet Days September
5/11 (45%)
Climate (2021–2025)
Spencer Municipal Airport (14.9 miles)
Annual Average 2021–2025
26.8inMonthly Average 2021–2026
2.1inDaily Average 2021–2026
0.1inWettest Day 22 June, 2024
4.4in