Lake Illawarra Rainfall Forecast

Today 15 May
85%5–10mm
Sat 16 May
70%1–5mm
Sun 17 May
55%1–5mm
Mon 18 May
75%1–5mm
Tue 19 May
75%5–10mm
Wed 20 May
45%< 2mm
Thu 21 May
50%1–5mm

Lake Illawarra Rainfall Statistics View More

May Rainfall

Illawarra Regional Airport (6km)

Total Rainfall 2026
404mm
Daily Average 2026
3mm
Wettest Day 18 January, 2026
111mm
Wet Days 2026
57/135 (42%)
Total Rainfall April
15.2mm
Daily Average April
0.5mm
Wettest Day 5 April, 2026
8.4mm
Wet Days April
7/30 (23%)
Total Rainfall May
19.4mm
Daily Average May
1.4mm
Wettest Day 14 May, 2026
10.6mm
Wet Days May
7/15 (47%)

Climate (2010–Present)

Illawarra Regional Airport (6km)

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Annual Average 2021–2025
1503.4mm
Monthly Average 2021–2026
123.4mm
Daily Average 2021–2026
4mm
Wettest Day 6 April, 2024
191mm

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