Swan River - Heirisson Island Rainfall Forecast

Today 20 Jul
100%10–30mm
Mon 21 Jul
70%1–5mm
Tue 22 Jul
90%5–10mm
Wed 23 Jul
95%15–30mm
Thu 24 Jul
70%1–5mm
Fri 25 Jul
10%< 1mm
Sat 26 Jul
15%< 1mm

Swan River - Heirisson Island Rainfall Statistics View More

July Rainfall

Perth Metro (5km)

Total Rainfall 2025
279mm
Daily Average 2025
1.4mm
Wettest Day 4 June, 2025
33.2mm
Wet Days 2025
47/201 (23%)
Total Rainfall June
129.8mm
Daily Average June
4.3mm
Wettest Day 4 June, 2025
33.2mm
Wet Days June
12/30 (40%)
Total Rainfall July
53.2mm
Daily Average July
3mm
Wettest Day 7 July, 2025
13.8mm
Wet Days July
12/20 (60%)

Climate (2010–Present)

Perth Metro (5km)

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Annual Average 2020–2024
695.4mm
Monthly Average 2020–2025
56.5mm
Daily Average 2020–2025
1.9mm
Wettest Day 5 June, 2023
71.2mm

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