Outer Harbour Rainfall Forecast

Today 17 Sep
30%< 1mm
Thu 18 Sep
15%< 1mm
Fri 19 Sep
75%1–5mm
Sat 20 Sep
70%1–5mm
Sun 21 Sep
70%1–5mm
Mon 22 Sep
65%1–5mm
Tue 23 Sep
40%< 1mm

Outer Harbour Rainfall Statistics View More

September Rainfall

Avalon Airport (13km)

Total Rainfall 2025
305.4mm
Daily Average 2025
1.2mm
Wettest Day 3 February, 2025
52.2mm
Wet Days 2025
90/260 (35%)
Total Rainfall August
34.6mm
Daily Average August
1.1mm
Wettest Day 30 August, 2025
16.8mm
Wet Days August
16/31 (52%)
Total Rainfall September
22.2mm
Daily Average September
1.4mm
Wettest Day 8 September, 2025
9mm
Wet Days September
8/17 (47%)

Climate (2010–Present)

Avalon Airport (13km)

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Annual Average 2020–2024
483.5mm
Monthly Average 2020–2025
39.1mm
Daily Average 2020–2025
1.3mm
Wettest Day 23 November, 2020
54mm

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