Johnson Islet Rainfall Forecast

Today 6 Apr
85%5–15mm
Tue 7 Apr
60%1–5mm
Wed 8 Apr
25%< 1mm
Thu 9 Apr
25%< 1mm
Fri 10 Apr
25%< 1mm
Sat 11 Apr
40%< 2mm
Sun 12 Apr
40%1–5mm

Johnson Islet Rainfall Statistics View More

April Rainfall

Horn Island (51km)

Total Rainfall 2026
1404mm
Daily Average 2026
14.8mm
Wettest Day 5 February, 2026
118.2mm
Wet Days 2026
81/96 (84%)
Total Rainfall March
384.8mm
Daily Average March
12.4mm
Wettest Day 2 March, 2026
50.4mm
Wet Days March
26/31 (84%)
Total Rainfall April
9.6mm
Daily Average April
1.9mm
Wettest Day 5 April, 2026
7.2mm
Wet Days April
3/6 (50%)

Climate (2010–Present)

Horn Island (51km)

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Annual Average 2021–2025
2162.7mm
Monthly Average 2021–2026
180.3mm
Daily Average 2021–2026
5.9mm
Wettest Day 23 January, 2024
154mm

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