St Helena Island Nature Preserve Rainfall Forecast
- 55%
- 55%
- 15%
- 45%
- 70%
- 10%
- 30%
St Helena Island Nature Preserve Rainfall Statistics
June Rainfall
Mackinac Island Airport (11.2 miles)
Total Rainfall June
3.4inDaily Average June
0.2inWettest Day 21 June, 2025
2.4inWet Days June
7/23 (30%)
Climate (2010–Present)
Mackinac Island Airport (11.2 miles)
Annual Average 2020–2024
27.1inMonthly Average 2020–2025
2.2inDaily Average 2020–2025
0.1inWettest Day 22 June, 2024
2.5in