Williamstown Rainfall Forecast

Today 14 May
30%< 1mm
Fri 15 May
95%10–15mm
Sat 16 May
95%10–20mm
Sun 17 May
55%< 2mm
Mon 18 May
40%< 1mm
Tue 19 May
80%1–5mm
Wed 20 May
40%< 1mm

Williamstown Rainfall Statistics View More

May Rainfall

Williamstown (7km)

Total Rainfall 2026
115.7mm
Daily Average 2026
0.9mm
Wettest Day 4 May, 2026
25.5mm
Wet Days 2026
26/134 (19%)
Total Rainfall April
37.1mm
Daily Average April
1.3mm
Wettest Day 9 April, 2026
11.9mm
Wet Days April
8/30 (27%)
Total Rainfall May
38.5mm
Daily Average May
4.3mm
Wettest Day 4 May, 2026
25.5mm
Wet Days May
7/14 (50%)

Climate (2010–Present)

Williamstown (7km)

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Annual Average 2021–2025
609.4mm
Monthly Average 2021–2026
50.6mm
Daily Average 2021–2026
1.7mm
Wettest Day 30 May, 2022
53mm

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