South West Twin Island Rainfall Forecast

Today 13 Jul
5%< 1mm
Mon 14 Jul
10%< 1mm
Tue 15 Jul
No Rain
Wed 16 Jul
5%< 1mm
Thu 17 Jul
5%< 1mm
Fri 18 Jul
5%< 1mm
Sat 19 Jul
5%< 1mm

South West Twin Island Rainfall Statistics View More

July Rainfall

Onslow Airport (19km)

Total Rainfall 2025
243mm
Daily Average 2025
1.3mm
Wettest Day 20 January, 2025
78mm
Wet Days 2025
32/194 (16%)
Total Rainfall June
12.6mm
Daily Average June
0.4mm
Wettest Day 4 June, 2025
9.2mm
Wet Days June
8/30 (27%)
Total Rainfall July
0.4mm
Daily Average July
0mm
Wettest Day 7 July, 2025
0.4mm
Wet Days July
1/13 (8%)

Climate (2010–Present)

Onslow Airport (19km)

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Annual Average 2020–2024
209.9mm
Monthly Average 2020–2025
20.4mm
Daily Average 2020–2025
0.7mm
Wettest Day 18 May, 2022
87.6mm

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