Lake Hiawatha Rainfall Forecast
- 75%5–10mm
- 95%25–50mm
- 95%35–90mm
- 85%15–30mm
- 60%1–10mm
- 40%< 1mm
- 20%< 1mm
River Levels
Lake Hiawatha Rainfall Statistics View More
August Rainfall
Grafton Airport (22km)
Total Rainfall August
64.6mmDaily Average August
3.6mmWettest Day 2 August, 2025
23.6mmWet Days August
12/19 (63%)
Climate (2010–Present)
Grafton Airport (22km)
Annual Average 2020–2024
1310.6mmMonthly Average 2020–2025
113.6mmDaily Average 2020–2025
3.8mmWettest Day 8 March, 2025
163.4mm