Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
111km²
Area
85km
Coastline
309m
Highest point
2,000
People
30°C
Warmest sea
May
24km
To the mainland
When to go to Ko Kut
Best for the beach from December to April.
The sea is warmest in May (30 °C) and coolest in January (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 in Thailand
Ko Kut is an island in Thailand. It covers 111 km², with 85 km of coastline. Its highest point rises to 309 m. About 2,000 people live on it. The nearest mainland is 24 km away.
Getting there
- Trat Airport (TDX)nearest airport with scheduled flights · 74 km in a straight lineCar hire in TratDiscover Cars · Affiliate link↗
- FerriesBoonsiri Fantasea Catamaran, Speedboat, Ko Chang Speedboat
- 24 km from the mainlanddistance to the nearest continental coast
- From December to Aprilbest months to go (from 30 years of averages)
Plan the trip
Ferries, stays and things to do
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
On the island
What you find on Ko Kut.
- 26beachesYai Kee, Ao Taphao Beach, Secret Beach and 23 more
- 8viewpointsForest road, Sunset viewpoint, beach and 5 more
- 3ferry terminalsAo Salat Pier, Speedboat pier
- 2named peaks
- 4waterfallsKhlong Chao Waterfall, Khlong Yai Kee Waterfall, Huang Nam Keaw Waterfall and 1 more
- 6dive centresBB Divers, Paradise Divers, Koh Kood Divers and 3 more
- 1campsites
- 73hotels, guesthouses and apartments
- 125restaurants, cafés and bars
Counted in OpenStreetMap, the map anyone can edit, inside the island's outline. A low number may only mean nobody has mapped it yet.
Cross-checked with our atlases
Ko Kut in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Ko Kut, each with its own numbers.
7beaches and covesCoastya
5mountainsPeakyas
2waterfallsCascadyas
Beach with the warmest sea
30.5°C
sea in the warmest month · according to Coastya
7 beaches
on Coastya, the beach atlas
- Hat Daeng30.5°C
- Hat Taphao30.5°C
- Hat Bang Bao30.5°C
- Hat Khlong Chao30.5°C
- Hat Ngam Khong30.5°C
- Hat Ai Lueam30.5°C
- Hat Takhian30.5°C
5 mountains
on Peakyas, the mountain atlas
- Khao Din Daeng
- Khao Mong
- Khao Loi
- Khao Chom
- Khao Phaenthi
2 waterfalls
on Cascadyas, the waterfall atlas
- Nam Tok Khlong Chao
- Nam Tok Khlong Yai Ki
Cascadyas is coming soonOpen Cascadyas ↗
The shape of the land.
On average the island stands 117 m above the sea. 86 % of it is below 200 m.
- 22 %0–50 m
- 65 %50–200 m
- 14 %200–500 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.
10 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Towns on the island
- Ko Kood2,894 people
- Ko Kutno census figure
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 28 | 28 | 28 | 29 | 30 | 29 | 29 | 28 | 28 | 28 | 29 | 28 |
| Night low (°C) | 26 | 26 | 27 | 28 | 29 | 28 | 28 | 28 | 27 | 27 | 27 | 26 |
| Sea (°C) | 28 | 28 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 |
| Rain (mm) | 53 | 46 | 100 | 138 | 337 | 488 | 607 | 520 | 534 | 320 | 133 | 58 |
| Wet days | 9 | 9 | 16 | 20 | 29 | 29 | 30 | 31 | 30 | 28 | 19 | 11 |
| Sun h/day | 7.6 | 7.4 | 7.1 | 7.1 | 5.4 | 4.4 | 3.9 | 3.9 | 4.0 | 5.7 | 7.4 | 7.9 |
| Wind (km/h) | 10 | 10 | 10 | 10 | 13 | 17 | 19 | 20 | 17 | 12 | 11 | 11 |
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 | +0.7 | +0.4 | +0.2 | +0.7 | +0.6 | +0.5 | +0.8 | +1.0 | +1.0 | +0.1 | ±0.0 | −0.1 |
| 2021 | −0.4 | −0.4 | −0.1 | ±0.0 | +0.2 | +0.4 | +0.1 | +0.3 | +0.2 | ±0.0 | +0.4 | −0.2 |
| 2022 | +0.6 | +0.8 | +0.7 | +0.3 | −0.2 | +0.7 | +0.3 | +0.3 | +0.3 | −0.1 | +0.1 | −0.1 |
| 2023 | −0.5 | +0.2 | −0.3 | +0.7 | +0.8 | ±0.0 | +0.2 | +0.6 | +0.2 | +0.6 | +1.0 | +0.9 |
| 2024 | +0.9 | +1.1 | +0.8 | +1.1 | +1.2 | +0.9 | +0.2 | +0.9 | +0.8 | +0.7 | +1.2 | +0.5 |
| 2025 | −0.2 | +0.3 | +0.4 | +0.1 | +0.3 | +0.1 | −0.1 | +0.5 | ±0.0 | +0.1 | −0.1 | −0.1 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.

Nearby
More islands nearby.
About these numbers
| Names, area, population | Wikidata (Q1665731) · 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 |
| Beaches, mountains, lakes and waterfalls | Coastya, Peakyas, Cascadyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST |
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.






