Joass Island Rainfall Forecast

Today 3 Dec
5%< 1mm
Thu 4 Dec
No Rain
Fri 5 Dec
5%< 1mm
Sat 6 Dec
25%< 1mm
Sun 7 Dec
75%1–10mm
Mon 8 Dec
30%< 1mm
Tue 9 Dec
15%< 1mm

Joass Island Rainfall Statistics View More

December Rainfall

Williamtown RAAF Base (17km)

Total Rainfall 2025
1692.4mm
Daily Average 2025
5.1mm
Wettest Day 23 May, 2025
149mm
Wet Days 2025
159/337 (47%)
Total Rainfall November
20.6mm
Daily Average November
0.7mm
Wettest Day 21 November, 2025
6.6mm
Wet Days November
12/30 (40%)
Total Rainfall December
2mm
Daily Average December
1mm
Wettest Day 2 December, 2025
2mm
Wet Days December
1/3 (33%)

Climate (2010–Present)

Williamtown RAAF Base (17km)

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Annual Average 2020–2024
1285.5mm
Monthly Average 2020–2025
115.2mm
Daily Average 2020–2025
3.8mm
Wettest Day 23 May, 2025
149mm

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