Sandy Island Rainfall Forecast

Today 17 Aug
10%< 1mm
Mon 18 Aug
45%< 1mm
Tue 19 Aug
100%20–30mm
Wed 20 Aug
95%5–15mm
Thu 21 Aug
70%1–5mm
Fri 22 Aug
45%< 1mm
Sat 23 Aug
35%< 1mm

Sandy Island Rainfall Statistics View More

August Rainfall

Windy Harbour (3km)

Total Rainfall 2025
699.1mm
Daily Average 2025
3.1mm
Wettest Day 3 July, 2025
36mm
Wet Days 2025
123/229 (54%)
Total Rainfall July
227.3mm
Daily Average July
7.3mm
Wettest Day 3 July, 2025
36mm
Wet Days July
27/31 (87%)
Total Rainfall August
116mm
Daily Average August
7.3mm
Wettest Day 3 August, 2025
35.6mm
Wet Days August
11/17 (65%)

Climate (2010–Present)

Windy Harbour (3km)

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Annual Average 2020–2024
1025mm
Monthly Average 2020–2025
86.4mm
Daily Average 2020–2025
2.9mm
Wettest Day 3 May, 2021
78.2mm

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