Henderson Islets Rainfall Forecast

Today 13 May
15%< 1mm
Thu 14 May
20%< 1mm
Fri 15 May
15%< 1mm
Sat 16 May
85%5–10mm
Sun 17 May
95%5–15mm
Mon 18 May
75%1–5mm
Tue 19 May
80%1–5mm

Henderson Islets Rainfall Statistics View More

May Rainfall

Three Hummock Island (32km)

Total Rainfall 2026
184.6mm
Daily Average 2026
1.5mm
Wettest Day 4 May, 2026
40.4mm
Wet Days 2026
52/133 (39%)
Total Rainfall April
49.6mm
Daily Average April
1.7mm
Wettest Day 10 April, 2026
12.2mm
Wet Days April
17/30 (57%)
Total Rainfall May
71.8mm
Daily Average May
6mm
Wettest Day 4 May, 2026
40.4mm
Wet Days May
8/13 (62%)

Climate (2010–Present)

Three Hummock Island (32km)

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Annual Average 2021–2025
592.7mm
Monthly Average 2021–2026
65mm
Daily Average 2021–2026
2.7mm
Wettest Day 18 October, 2022
82.4mm

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