Lake Hiawatha Rainfall Forecast

Today 17 Sep
10%< 1mm
Thu 18 Sep
20%< 1mm
Fri 19 Sep
30%< 1mm
Sat 20 Sep
80%1–5mm
Sun 21 Sep
35%< 1mm
Mon 22 Sep
30%< 1mm
Tue 23 Sep
55%1–5mm

Lake Hiawatha Rainfall Statistics View More

September Rainfall

Grafton Airport (22km)

Total Rainfall 2025
1457.8mm
Daily Average 2025
5.6mm
Wettest Day 8 March, 2025
163.4mm
Wet Days 2025
127/260 (49%)
Total Rainfall August
136.4mm
Daily Average August
4.4mm
Wettest Day 21 August, 2025
41.4mm
Wet Days August
18/31 (58%)
Total Rainfall September
4.8mm
Daily Average September
0.3mm
Wettest Day 6 September, 2025
3mm
Wet Days September
6/17 (35%)

Climate (2010–Present)

Grafton Airport (22km)

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Annual Average 2020–2024
1310.6mm
Monthly Average 2020–2025
115.4mm
Daily Average 2020–2025
3.8mm
Wettest Day 8 March, 2025
163.4mm

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