South Island Rainfall Forecast

Today 25 Aug
10%< 1mm
Tue 26 Aug
10%< 1mm
Wed 27 Aug
5%< 1mm
Thu 28 Aug
5%< 1mm
Fri 29 Aug
10%< 1mm
Sat 30 Aug
10%< 1mm
Sun 31 Aug
10%< 1mm

South Island Rainfall Statistics View More

August Rainfall

Middle Percy Island (12km)

Total Rainfall 2025
1021mm
Daily Average 2025
4.3mm
Wettest Day 4 February, 2025
69.2mm
Wet Days 2025
118/237 (50%)
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
53.6mm
Daily Average August
2.2mm
Wettest Day 11 August, 2025
19.2mm
Wet Days August
10/25 (40%)

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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