Henderson Islets Rainfall Forecast

Today 11 Dec
5%< 1mm
Fri 12 Dec
20%< 1mm
Sat 13 Dec
30%< 1mm
Sun 14 Dec
80%1–5mm
Mon 15 Dec
45%< 1mm
Tue 16 Dec
10%< 1mm
Wed 17 Dec
5%< 1mm

Henderson Islets Rainfall Statistics View More

December Rainfall

Three Hummock Island (32km)

Total Rainfall 2025
691.8mm
Daily Average 2025
2.6mm
Wettest Day 24 July, 2025
32mm
Wet Days 2025
163/345 (47%)
Total Rainfall November
88.6mm
Daily Average November
3mm
Wettest Day 25 November, 2025
14.2mm
Wet Days November
24/30 (80%)
Total Rainfall December
14mm
Daily Average December
2mm
Wettest Day 1 December, 2025
8.6mm
Wet Days December
2/11 (18%)

Climate (2010–Present)

Three Hummock Island (32km)

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Annual Average 2020–2024
623.6mm
Monthly Average 2020–2025
68.2mm
Daily Average 2020–2025
2.7mm
Wettest Day 18 October, 2022
82.4mm

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