The Arch Rainfall Forecast

Today 18 Dec
20%< 1mm
Fri 19 Dec
40%< 1mm
Sat 20 Dec
30%< 1mm
Sun 21 Dec
85%5–15mm
Mon 22 Dec
45%< 1mm
Tue 23 Dec
60%1–5mm
Wed 24 Dec
45%< 1mm

The Arch Rainfall Statistics View More

December Rainfall

Cape Otway (55km)

Total Rainfall 2025
804.2mm
Daily Average 2025
2.3mm
Wettest Day 28 August, 2025
31.6mm
Wet Days 2025
195/352 (55%)
Total Rainfall November
95.2mm
Daily Average November
3.2mm
Wettest Day 3 November, 2025
15mm
Wet Days November
26/30 (87%)
Total Rainfall December
15.8mm
Daily Average December
0.9mm
Wettest Day 1 December, 2025
9.4mm
Wet Days December
4/18 (22%)

Climate (2010–Present)

Cape Otway (55km)

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Annual Average 2020–2024
832.7mm
Monthly Average 2020–2025
70.8mm
Daily Average 2020–2025
2.3mm
Wettest Day 5 March, 2022
69.8mm

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