Salmon Bay Rainfall Forecast

Today 21 Aug
50%< 1mm
Fri 22 Aug
45%< 1mm
Sat 23 Aug
50%< 1mm
Sun 24 Aug
95%20–30mm
Mon 25 Aug
95%15–25mm
Tue 26 Aug
85%5–10mm
Wed 27 Aug
70%1–5mm

Salmon Bay Rainfall Statistics View More

August Rainfall

Rottnest Island (1km)

Total Rainfall 2025
489.2mm
Daily Average 2025
2.1mm
Wettest Day 18 June, 2025
41.2mm
Wet Days 2025
76/233 (33%)
Total Rainfall July
187.2mm
Daily Average July
6mm
Wettest Day 3 July, 2025
39.8mm
Wet Days July
20/31 (65%)
Total Rainfall August
75.2mm
Daily Average August
3.6mm
Wettest Day 20 August, 2025
16.2mm
Wet Days August
14/21 (67%)

Climate (2010–Present)

Rottnest Island (1km)

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Annual Average 2020–2024
509.6mm
Monthly Average 2020–2025
45.4mm
Daily Average 2020–2025
1.5mm
Wettest Day 20 June, 2021
61.2mm

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