Perth FAD4 (offshore) Rainfall Forecast

Today 17 May
35%< 1mm
Mon 18 May
40%< 1mm
Tue 19 May
5%< 1mm
Wed 20 May
5%< 1mm
Thu 21 May
15%< 1mm
Fri 22 May
20%< 1mm
Sat 23 May
5%< 1mm

Perth FAD4 (offshore) Rainfall Statistics View More

May Rainfall

Rottnest Island (43km)

Total Rainfall 2026
135.2mm
Daily Average 2026
1mm
Wettest Day 28 March, 2026
76.6mm
Wet Days 2026
20/137 (15%)
Total Rainfall April
37.4mm
Daily Average April
1.2mm
Wettest Day 15 April, 2026
13.4mm
Wet Days April
10/30 (33%)
Total Rainfall May
6.8mm
Daily Average May
0.5mm
Wettest Day 1 May, 2026
2.6mm
Wet Days May
3/17 (18%)

Climate (2010–Present)

Rottnest Island (43km)

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Annual Average 2021–2025
550.6mm
Monthly Average 2021–2026
46.1mm
Daily Average 2021–2026
1.5mm
Wettest Day 28 March, 2026
76.6mm

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