Swan River - Heirisson Island Rainfall Forecast

Today 28 Apr
90%15–25mm
Wed 29 Apr
25%< 1mm
Thu 30 Apr
55%< 1mm
Fri 1 May
55%< 1mm
Sat 2 May
10%< 1mm
Sun 3 May
10%< 1mm
Mon 4 May
5%< 1mm

Swan River - Heirisson Island Rainfall Statistics View More

April Rainfall

Perth Metro (5km)

Total Rainfall 2026
110mm
Daily Average 2026
0.9mm
Wettest Day 28 March, 2026
62.8mm
Wet Days 2026
20/118 (17%)
Total Rainfall March
72.6mm
Daily Average March
2.3mm
Wettest Day 28 March, 2026
62.8mm
Wet Days March
5/31 (16%)
Total Rainfall April
29.8mm
Daily Average April
1.1mm
Wettest Day 15 April, 2026
11.6mm
Wet Days April
9/28 (32%)

Climate (2010–Present)

Perth Metro (5km)

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Annual Average 2021–2025
718.7mm
Monthly Average 2021–2026
59.9mm
Daily Average 2021–2026
2mm
Wettest Day 5 June, 2023
71.2mm

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