Grants Island Rainfall Forecast

Today 30 May
95%30–50mm
Sat 31 May
90%10–20mm
Sun 1 Jun
25%< 1mm
Mon 2 Jun
65%1–5mm
Tue 3 Jun
20%< 1mm
Wed 4 Jun
5%< 1mm
Thu 5 Jun
10%< 1mm

Grants Island Rainfall Statistics View More

May Rainfall

Seventeen Seventy (43km)

Total Rainfall 2025
550.1mm
Daily Average 2025
4.3mm
Wettest Day 29 March, 2025
110.6mm
Wet Days 2025
67/150 (45%)
Total Rainfall April
99mm
Daily Average April
6.6mm
Wettest Day 4 April, 2025
44.5mm
Wet Days April
9/30 (30%)
Total Rainfall May
23.3mm
Daily Average May
0.8mm
Wettest Day 5 May, 2025
8.4mm
Wet Days May
7/30 (23%)

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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