Harrison Island Rainfall Forecast

Today 5 May
20%< 1mm
Wed 6 May
55%< 2mm
Thu 7 May
40%< 1mm
Fri 8 May
10%< 1mm
Sat 9 May
10%< 1mm
Sun 10 May
20%< 1mm
Mon 11 May
45%< 1mm

Harrison Island Rainfall Statistics View More

May Rainfall

Williamson Airfield (37km)

Total Rainfall 2026
491.4mm
Daily Average 2026
4mm
Wettest Day 12 January, 2026
121.6mm
Wet Days 2026
46/125 (37%)
Total Rainfall April
10mm
Daily Average April
0.3mm
Wettest Day 28 April, 2026
6.8mm
Wet Days April
6/30 (20%)
Total Rainfall May
2.2mm
Daily Average May
0.6mm
Wettest Day 4 May, 2026
1.6mm
Wet Days May
2/5 (40%)

Climate (2010–Present)

Williamson Airfield (37km)

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Annual Average 2021–2025
705.4mm
Monthly Average 2021–2026
63.5mm
Daily Average 2021–2026
2.1mm
Wettest Day 12 January, 2026
121.6mm

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