Little Armstrong Bay Rainfall Forecast

Today 18 Sep
40%< 1mm
Fri 19 Sep
35%< 1mm
Sat 20 Sep
5%< 1mm
Sun 21 Sep
No Rain
Mon 22 Sep
No Rain
Tue 23 Sep
No Rain
Wed 24 Sep
10%< 1mm

Little Armstrong Bay Rainfall Statistics View More

September Rainfall

Rottnest Island (1km)

Total Rainfall 2025
594.4mm
Daily Average 2025
2.3mm
Wettest Day 18 June, 2025
41.2mm
Wet Days 2025
94/261 (36%)
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
46mm
Daily Average September
2.7mm
Wettest Day 6 September, 2025
17.4mm
Wet Days September
11/18 (61%)

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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