Castlecrag Marine Rainfall Forecast

Today 16 Dec
30%< 1mm
Wed 17 Dec
10%< 1mm
Thu 18 Dec
5%< 1mm
Fri 19 Dec
30%< 1mm
Sat 20 Dec
60%1–5mm
Sun 21 Dec
55%1–5mm
Mon 22 Dec
40%< 2mm

Castlecrag Marine Rainfall Statistics View More

December Rainfall

Sydney (Observatory Hill) (6km)

Total Rainfall 2025
1633.2mm
Daily Average 2025
4.7mm
Wettest Day 11 September, 2025
122mm
Wet Days 2025
148/350 (42%)
Total Rainfall November
42mm
Daily Average November
1.4mm
Wettest Day 1 November, 2025
11.4mm
Wet Days November
9/30 (30%)
Total Rainfall December
13.4mm
Daily Average December
0.9mm
Wettest Day 14 December, 2025
6.2mm
Wet Days December
6/16 (38%)

Climate (2010–Present)

Sydney (Observatory Hill) (6km)

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Annual Average 2020–2024
1566.3mm
Monthly Average 2020–2025
134.6mm
Daily Average 2020–2025
4.4mm
Wettest Day 2 June, 2024
142.6mm

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