Altona Rainfall Forecast

Today 9 Dec
5%< 1mm
Wed 10 Dec
10%< 1mm
Thu 11 Dec
15%< 1mm
Fri 12 Dec
15%< 1mm
Sat 13 Dec
15%< 1mm
Sun 14 Dec
15%< 1mm
Mon 15 Dec
5%< 1mm

Altona Rainfall Statistics View More

December Rainfall

Williamstown (South Para Reservoir) (14km)

Total Rainfall 2025
516.8mm
Daily Average 2025
1.5mm
Wettest Day 26 July, 2025
44.4mm
Wet Days 2025
138/343 (40%)
Total Rainfall November
49.8mm
Daily Average November
1.7mm
Wettest Day 4 November, 2025
15mm
Wet Days November
17/30 (57%)
Total Rainfall December
7.2mm
Daily Average December
1.2mm
Wettest Day 1 December, 2025
7.2mm
Wet Days December
1/9 (11%)

Climate (2010–Present)

Williamstown (South Para Reservoir) (14km)

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Annual Average 2020–2024
635.7mm
Monthly Average 2020–2025
50.6mm
Daily Average 2020–2025
1.7mm
Wettest Day 30 May, 2022
56.2mm

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