Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
16.6km²
Area
22km
Coastline
21m
Highest point
993
People
30°C
Warmest sea
January
1,553km
To the mainland
When to go to Bellona Island
Best for the beach from January to May.
The sea is warmest in January (30 °C) and coolest in August (28 °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.
Island
Bellona Island is an island in Solomon Islands. It covers 16.6 km², with 22 km of coastline. Its highest point rises to 21 m. About 993 people live on it. The nearest mainland is 1,553 km away.
Getting there
- Honiara International Airport (HIR)nearest airport with scheduled flights · 210 km in a straight line
- 1,553 km from the mainlanddistance to the nearest continental coast
- From January to Maybest months to go (from 30 years of averages)
Plan the trip
Ferries, stays and things to do
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The shape of the land.
On average the island stands 45 m above the sea. 100 % of it is below 200 m.
- 58 %0–50 m
- 42 %50–200 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) | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 29 |
| Night low (°C) | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 |
| Sea (°C) | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 |
| Rain (mm) | 256 | 247 | 235 | 223 | 192 | 183 | 160 | 131 | 154 | 174 | 176 | 172 |
| Wet days | 25 | 23 | 25 | 25 | 25 | 24 | 23 | 22 | 22 | 24 | 24 | 23 |
| Sun h/day | 6.8 | 6.7 | 6.9 | 6.5 | 6.0 | 5.2 | 5.2 | 6.2 | 6.1 | 6.8 | 7.1 | 7.5 |
| Wind (km/h) | 18 | 18 | 17 | 18 | 22 | 26 | 30 | 28 | 28 | 24 | 20 | 17 |
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 | +0.3 | −0.1 | +0.8 | +0.2 | +0.4 | +0.7 | +0.7 | +1.1 | +1.0 | +0.7 | +0.4 | +0.4 |
| 2021 | +0.6 | +0.5 | +0.2 | +0.2 | +0.3 | +0.6 | +0.9 | +0.7 | +0.9 | +1.4 | +1.0 | +0.9 |
| 2022 | +0.3 | +0.2 | +0.7 | +0.9 | +1.4 | +1.7 | +1.4 | +1.4 | +1.5 | +1.7 | +1.8 | +1.3 |
| 2023 | ±0.0 | +0.2 | +0.5 | +1.0 | +1.2 | +0.9 | +0.9 | +0.5 | +0.7 | +0.5 | +0.1 | −0.2 |
| 2024 | +0.4 | ±0.0 | +0.4 | +0.8 | +0.2 | +0.9 | +0.8 | +0.9 | +0.5 | +0.8 | +0.8 | +0.8 |
| 2025 | +1.0 | +0.6 | +0.6 | +0.8 | +0.8 | +1.0 | +1.3 | +1.0 | +1.0 | +1.2 | +1.1 | +0.8 |
+1 warmer than usual −1 cooler than usual
Nearby
More islands nearby.
Rennell Island
East Rennell
Guadalcanal
Makira
Savo Island
Tulagi
Malaita
Santa Isabel IslandAbout these numbers
| Names, area, population | Wikidata (Q816036) · 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.
The family
Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers or canyons?
Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.