Osborn Island Rainfall Forecast

Today 27 Dec
60%1–10mm
Sun 28 Dec
50%1–5mm
Mon 29 Dec
30%< 1mm
Tue 30 Dec
10%< 1mm
Wed 31 Dec
20%< 1mm
Thu 1 Jan
40%1–5mm
Fri 2 Jan
45%1–15mm

Osborn Island Rainfall Statistics View More

December Rainfall

Williamson Airfield (21km)

Total Rainfall 2025
989.2mm
Daily Average 2025
2.8mm
Wettest Day 4 February, 2025
84mm
Wet Days 2025
106/361 (29%)
Total Rainfall November
121.8mm
Daily Average November
4.1mm
Wettest Day 17 November, 2025
50.2mm
Wet Days November
11/30 (37%)
Total Rainfall December
144.6mm
Daily Average December
6mm
Wettest Day 26 December, 2025
71.4mm
Wet Days December
10/27 (37%)

Climate (2010–Present)

Williamson Airfield (21km)

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Annual Average 2020–2024
708mm
Monthly Average 2020–2025
58.8mm
Daily Average 2020–2025
2mm
Wettest Day 4 February, 2025
84mm

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