South Island Rainfall Forecast

Today 4 Aug
No Rain
Tue 5 Aug
10%< 1mm
Wed 6 Aug
5%< 1mm
Thu 7 Aug
30%< 1mm
Fri 8 Aug
55%1–5mm
Sat 9 Aug
55%< 2mm
Sun 10 Aug
45%< 2mm

South Island Rainfall Statistics View More

August Rainfall

Middle Percy Island (12km)

Total Rainfall 2025
985.6mm
Daily Average 2025
4.6mm
Wettest Day 4 February, 2025
69.2mm
Wet Days 2025
110/216 (51%)
Total Rainfall July
8.6mm
Daily Average July
0.3mm
Wettest Day 24 July, 2025
2.4mm
Wet Days July
12/31 (39%)
Total Rainfall August
18.2mm
Daily Average August
6.1mm
Wettest Day 2 August, 2025
17.8mm
Wet Days August
2/4 (50%)

Climate (2010–Present)

Middle Percy Island (12km)

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Annual Average 2020–2024
982.6mm
Monthly Average 2020–2025
85.6mm
Daily Average 2020–2025
3mm
Wettest Day 2 April, 2023
154.6mm

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