Hamilton Rainfall Forecast

Today 29 Sep
10%< 1mm
Wed 30 Sep
80%1–5mm
Thu 1 Oct
100%10–20mm
Fri 2 Oct
85%5–10mm
Sat 3 Oct
55%1–5mm
Sun 4 Oct
10%< 1mm
Mon 5 Oct
25%< 1mm

Hamilton Rainfall Statistics View More

September Rainfall

Hamilton Airport (11km)

Total Rainfall 2026
413.4mm
Daily Average 2026
1.5mm
Wettest Day 3 May, 2026
20.6mm
Wet Days 2026
153/272 (56%)
Total Rainfall August
53.2mm
Daily Average August
1.7mm
Wettest Day 19 August, 2026
12.6mm
Wet Days August
25/31 (81%)
Total Rainfall September
24mm
Daily Average September
0.9mm
Wettest Day 6 September, 2026
7.6mm
Wet Days September
14/29 (48%)

Climate (2021–2025)

Hamilton Airport (11km)

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Annual Average 2021–2025
602.4mm
Monthly Average 2021–2026
49.8mm
Daily Average 2021–2026
1.6mm
Wettest Day 25 November, 2023
37.8mm

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