Grants Island Rainfall Forecast

Today 6 May
55%< 2mm
Wed 7 May
5%< 1mm
Thu 8 May
10%< 1mm
Fri 9 May
40%< 1mm
Sat 10 May
20%< 1mm
Sun 11 May
25%< 1mm
Mon 12 May
25%< 1mm

Grants Island Rainfall Statistics View More

May Rainfall

Seventeen Seventy (43km)

Total Rainfall 2025
543.9mm
Daily Average 2025
4.5mm
Wettest Day 29 March, 2025
110.6mm
Wet Days 2025
64/126 (51%)
Total Rainfall April
99.2mm
Daily Average April
3.3mm
Wettest Day 4 April, 2025
44.5mm
Wet Days April
10/30 (33%)
Total Rainfall May
16.9mm
Daily Average May
3.4mm
Wettest Day 5 May, 2025
8.4mm
Wet Days May
3/6 (50%)

Climate (2010–Present)

Seventeen Seventy (43km)

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Annual Average 2020–2024
928.8mm
Monthly Average 2020–2025
96.3mm
Daily Average 2020–2025
3.2mm
Wettest Day 13 May, 2022
183.8mm

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