Hamilton Rainfall Forecast

Today 18 Aug
80%1–5mm
Wed 19 Aug
100%10–15mm
Thu 20 Aug
85%1–5mm
Fri 21 Aug
65%< 1mm
Sat 22 Aug
55%< 1mm
Sun 23 Aug
30%< 1mm
Mon 24 Aug
55%< 2mm

Hamilton Rainfall Statistics View More

August Rainfall

Hamilton Airport (11km)

Total Rainfall 2026
356.2mm
Daily Average 2026
1.6mm
Wettest Day 3 May, 2026
20.6mm
Wet Days 2026
128/230 (56%)
Total Rainfall July
64.8mm
Daily Average July
2.1mm
Wettest Day 12 July, 2026
14.2mm
Wet Days July
27/31 (87%)
Total Rainfall August
20mm
Daily Average August
1.2mm
Wettest Day 13 August, 2026
4.2mm
Wet Days August
14/18 (78%)

Climate (2021–2025)

Hamilton Airport (11km)

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Annual Average 2021–2025
602.4mm
Monthly Average 2021–2026
50mm
Daily Average 2021–2026
1.6mm
Wettest Day 25 November, 2023
37.8mm

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