United KingdomPitcairn IslandsIslandUNESCO World Heritage
Henderson Island
43.1 km² of land in the Pacific Ocean.
Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
43.1km²
Area
30km
Coastline
33m
Highest point
0
People
27°C
Warmest sea
March
5,194km
To the mainland
When to go to Henderson Island
Best for the beach from January to March, in May and in November.
The sea is warmest in March (27 °C) and coolest in September (22 °C). You can swim comfortably all year (21 °C or more).
Averages 1991–2020. Sea: NOAA OISST, the water within 35 km of the coast. Air, rain and sun: NASA POWER. Best months weigh warm afternoons (23–30 °C), sea of 24 °C or more and few wet days.
Atoll in the Pitcairn Islands, British Overseas Territories
Henderson Island is an island in United Kingdom. It belongs to Pitcairn Islands. It covers 43.1 km², with 30 km of coastline. Its highest point rises to 33 m. Nobody lives on it. The nearest mainland is 5,194 km away. It is part of a UNESCO World Heritage site.
Getting there
- 5,194 km from the mainlanddistance to the nearest continental coast
- From January to March, May and Novemberbest months to go (from 30 years of averages)
Plan the trip
Ferries, stays and things to do
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On the island
What you find on Henderson Island.
- 6beachesNorth Beach, East Beach and 4 more
Counted in OpenStreetMap, the map anyone can edit, inside the island's outline. A low number may only mean nobody has mapped it yet.
The shape of the land.
On average the island stands 28 m above the sea. 100 % of it is below 200 m.
- 100 %0–50 m
Share of the island's area in each altitude band, from the Copernicus DEM (30 m, read at 30–240 m on large islands).
Size, for real
Next to islands you may know.
5 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 25 | 26 | 26 | 25 | 24 | 23 | 22 | 22 | 22 | 22 | 23 | 24 |
| Night low (°C) | 25 | 25 | 25 | 24 | 23 | 22 | 21 | 21 | 21 | 22 | 22 | 24 |
| Sea (°C) | 26 | 27 | 27 | 26 | 25 | 24 | 23 | 22 | 22 | 23 | 24 | 25 |
| Rain (mm) | 122 | 100 | 88 | 107 | 100 | 95 | 78 | 89 | 82 | 124 | 110 | 122 |
| Wet days | 14 | 14 | 13 | 15 | 13 | 14 | 13 | 12 | 13 | 16 | 13 | 16 |
| Sun h/day | 9.3 | 9.1 | 8.6 | 7.1 | 6.4 | 5.8 | 6.2 | 6.7 | 7.5 | 7.8 | 8.2 | 8.8 |
| Wind (km/h) | 20 | 20 | 20 | 21 | 22 | 24 | 24 | 24 | 23 | 22 | 22 | 21 |
Averages 1991–2020 for the ~55 km NASA POWER cell over the island; the sea from NOAA OISST.
Recent years
Warmer and cooler years at sea.
Each month's sea temperature compared with its 1991–2020 average, in degrees.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | −0.4 | +0.1 | −0.4 | −0.4 | ±0.0 | +0.2 | −0.1 | +0.1 | +0.5 | +0.6 | +0.5 | +0.6 |
| 2021 | +0.8 | +0.3 | −0.5 | −0.1 | +0.7 | +0.1 | +0.4 | +0.6 | +1.1 | +0.7 | +0.6 | +0.1 |
| 2022 | +0.1 | +0.2 | +0.2 | +0.3 | +0.4 | +0.9 | +0.8 | +0.5 | +0.6 | +0.2 | −0.3 | +0.4 |
| 2023 | +0.4 | +0.7 | +0.8 | +1.1 | +1.1 | +0.5 | +0.3 | −0.2 | −0.4 | +0.1 | +0.2 | −0.5 |
| 2024 | ±0.0 | +0.2 | +0.8 | −0.4 | −0.2 | −0.1 | −0.4 | −0.5 | −0.2 | −0.1 | −0.2 | +0.1 |
| 2025 | −0.1 | +0.5 | +0.4 | +0.4 | +1.0 | +0.6 | +0.7 | +1.2 | +1.0 | +0.4 | +0.2 | −0.2 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Pitcairn
About these numbers
| Names, area, population | Wikidata (Q379759) · CC0 |
|---|---|
| Outline | © OpenStreetMap contributors · ODbL |
| Sea temperature | NOAA OISST v2.1 · 1991–2020 |
| Climate | NASA POWER · 1991–2020 |
| Relief, 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Beaches, ports, lighthouses, trails | © OpenStreetMap contributors · ODbL |
| Towns | GeoNames · CC BY 4.0 |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
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