Grantham Island Rainfall Forecast

Today 16 Nov
75%1–5mm
Mon 17 Nov
35%< 1mm
Tue 18 Nov
40%< 1mm
Wed 19 Nov
10%< 1mm
Thu 20 Nov
10%< 1mm
Fri 21 Nov
25%< 1mm
Sat 22 Nov
70%1–5mm

Grantham Island Rainfall Statistics View More

November Rainfall

Port Lincoln Airport (19km)

Total Rainfall 2025
338.4mm
Daily Average 2025
1.1mm
Wettest Day 10 July, 2025
19.8mm
Wet Days 2025
122/320 (38%)
Total Rainfall October
32.2mm
Daily Average October
1mm
Wettest Day 25 October, 2025
8mm
Wet Days October
14/31 (45%)
Total Rainfall November
9.2mm
Daily Average November
0.7mm
Wettest Day 3 November, 2025
3.2mm
Wet Days November
9/16 (56%)

Climate (2010–Present)

Port Lincoln Airport (19km)

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Annual Average 2020–2024
441mm
Monthly Average 2020–2025
34.6mm
Daily Average 2020–2025
1.2mm
Wettest Day 22 January, 2022
47.4mm

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