Little Armstrong Bay Rainfall Forecast

Today 9 Sep
10%< 1mm
Wed 10 Sep
5%< 1mm
Thu 11 Sep
No Rain
Fri 12 Sep
15%< 1mm
Sat 13 Sep
90%1–5mm
Sun 14 Sep
90%5–10mm
Mon 15 Sep
75%1–5mm

Little Armstrong Bay Rainfall Statistics View More

September Rainfall

Rottnest Island (1km)

Total Rainfall 2025
579.6mm
Daily Average 2025
2.3mm
Wettest Day 18 June, 2025
41.2mm
Wet Days 2025
88/252 (35%)
Total Rainfall August
134.4mm
Daily Average August
4.3mm
Wettest Day 26 August, 2025
17.6mm
Wet Days August
21/31 (68%)
Total Rainfall September
31.2mm
Daily Average September
3.9mm
Wettest Day 6 September, 2025
17.4mm
Wet Days September
5/9 (56%)

Climate (2010–Present)

Rottnest Island (1km)

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Annual Average 2020–2024
509.6mm
Monthly Average 2020–2025
45.9mm
Daily Average 2020–2025
1.5mm
Wettest Day 20 June, 2021
61.2mm

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