Grant Bay Rainfall Forecast

Today 14 May
10%< 1mm
Fri 15 May
20%< 1mm
Sat 16 May
95%10–15mm
Sun 17 May
90%5–10mm
Mon 18 May
65%1–5mm
Tue 19 May
90%1–5mm
Wed 20 May
70%1–5mm

Grant Bay Rainfall Statistics View More

May Rainfall

Cape Nelson Lighthouse (8km)

Total Rainfall 2026
160.6mm
Daily Average 2026
1.2mm
Wettest Day 15 April, 2026
22.2mm
Wet Days 2026
51/134 (38%)
Total Rainfall April
56.2mm
Daily Average April
1.9mm
Wettest Day 15 April, 2026
22.2mm
Wet Days April
14/30 (47%)
Total Rainfall May
33.2mm
Daily Average May
2.6mm
Wettest Day 5 May, 2026
15.4mm
Wet Days May
10/14 (71%)

Climate (2010–Present)

Cape Nelson Lighthouse (8km)

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Annual Average 2021–2025
704.4mm
Monthly Average 2021–2026
58.2mm
Daily Average 2021–2026
1.9mm
Wettest Day 1 December, 2024
57mm

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