Dee Why Rainfall Forecast

Today 14 Dec
70%1–5mm
Mon 15 Dec
60%< 2mm
Tue 16 Dec
25%< 1mm
Wed 17 Dec
15%< 1mm
Thu 18 Dec
5%< 1mm
Fri 19 Dec
30%< 1mm
Sat 20 Dec
65%1–5mm

Dee Why Rainfall Statistics View More

December Rainfall

Terrey Hills (8km)

Total Rainfall 2025
1499.6mm
Daily Average 2025
4.3mm
Wettest Day 23 May, 2025
120.2mm
Wet Days 2025
148/348 (43%)
Total Rainfall November
48.8mm
Daily Average November
1.6mm
Wettest Day 23 November, 2025
16.2mm
Wet Days November
12/30 (40%)
Total Rainfall December
29.2mm
Daily Average December
2.2mm
Wettest Day 12 December, 2025
22.2mm
Wet Days December
4/14 (29%)

Climate (2010–Present)

Terrey Hills (8km)

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Annual Average 2020–2024
1491.9mm
Monthly Average 2020–2025
131.2mm
Daily Average 2020–2025
4.3mm
Wettest Day 6 April, 2024
161.2mm

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