Grant Bay Rainfall Forecast

Today 4 Sep
90%1–5mm
Fri 5 Sep
10%< 1mm
Sat 6 Sep
45%< 1mm
Sun 7 Sep
80%1–5mm
Mon 8 Sep
70%1–5mm
Tue 9 Sep
75%1–5mm
Wed 10 Sep
70%1–5mm

Grant Bay Rainfall Statistics View More

September Rainfall

Cape Nelson Lighthouse (8km)

Total Rainfall 2025
462.6mm
Daily Average 2025
1.9mm
Wettest Day 23 July, 2025
28.6mm
Wet Days 2025
115/247 (47%)
Total Rainfall August
81mm
Daily Average August
2.6mm
Wettest Day 29 August, 2025
14.8mm
Wet Days August
19/31 (61%)
Total Rainfall September
14.6mm
Daily Average September
4.9mm
Wettest Day 3 September, 2025
11.6mm
Wet Days September
3/4 (75%)

Climate (2010–Present)

Cape Nelson Lighthouse (8km)

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Annual Average 2020–2024
711.8mm
Monthly Average 2020–2025
60.6mm
Daily Average 2020–2025
2mm
Wettest Day 1 December, 2024
57mm

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