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Christiane Bender CC BY-SA 4.0 Wikimedia Commons

Koh Kong

Island

Off Cambodia's southwest coast, Koh Kong Island offers beaches, mangrove channels and access to the Cardamom foothills; visitors take boat trips, fish and camp in rustic beach sites.

Koh Kong Siem ReapAngkorPhnom PenhBattambangKampotSihanoukvilleKoh RongKoh Kong
In this guide

Koh Kong essentials

Country: Cambodia
Driest months: Dec-Feb
Pay in: Riels (៛)
Language: Khmer
Emergency: 117

Koh Kong (island) at a Glance

Exploring Koh Kong (island)

Koh Kong Island lies a few kilometres offshore in the Gulf of Thailand, in the southwest of the province of the same name. Roughly 16 km long and 6 km wide, it is ringed by quiet white-sand beaches and remains largely undeveloped, making it a popular spot to swim, fish, snorkel and simply unwind for a few days.

The provincial capital, Koh Kong town, is the first port of call from Thailand and the usual jumping-off point for boats to the island. There is little to do beyond walking, swimming and eating, but a scattering of resorts and Western-run bars and restaurants provide enough comfort for a relaxed stay; the rest of the island is easily explored by motorbike.

When to Go

Best Time to Visit Koh Kong (island)

Dry season typically offers the easiest travel; local conditions vary, so check boat schedules.

Dry season
Nov-Apr · 24-32°C
Easier boat travel and more predictable weather for short trips between islands.
Wet season
May-Oct · 22-30°C
Heavier rains and rougher seas; not ideal for island hopping.

Weather & Climate near Koh Kong (island)

Climate

Koh Kong's climate is classified as Tropical Monsoon - Tropical Monsoon climate with consistently warm temperatures year-round. Temperatures range from 21°C to 32°C. Heavy rainfall (3626 mm/year), wettest in July with a pronounced dry season.

Air Quality: AQI 57 Moderate
Best Time to Visit
JanuaryDecemberFebruary
Temperature & Rainfall
Temperature Range
35°
Warmest Month
17°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Ideal 21° - 30° 25° 7 mm partly cloudy 79% 2.1 m/s 1.8 very high 11.4h
February Excellent 22° - 31° 26° 27 mm partly cloudy 79% 2.5 m/s 1.9 very high 11.7h
March Very Good 23° - 32° 31° 60 mm partly cloudy 80% 2.2 m/s 2.0 extreme 12.0h
April Good 24° - 32° 33° 95 mm overcast 82% 2.0 m/s 2.1 extreme 12.3h
May Acceptable 24° - 32° 33° 374 mm overcast 86% 2.3 m/s 2.0 extreme 12.5h
June Good 23° - 30° 27° 686 mm overcast 89% 2.4 m/s 1.9 very high 12.7h
July Good 23° - 30° 27° 798 mm overcast 89% 2.6 m/s 1.8 very high 12.6h
August Good 23° - 30° 26° 688 mm overcast 89% 2.7 m/s 1.8 very high 12.4h
September Good 23° - 30° 26° 517 mm overcast 90% 2.0 m/s 1.8 very high 12.1h
October Good 23° - 30° 26° 271 mm overcast 88% 2.0 m/s 1.8 very high 11.8h
November Very Good 23° - 30° 26° 83 mm partly cloudy 84% 2.5 m/s 1.8 very high 11.5h
December Ideal 21° - 30° 25° 20 mm partly cloudy 80% 3.0 m/s 1.8 very high 11.3h
Getting There & Around

How to Get to Koh Kong (island)

Koh Kong province has boat services to nearby islands from the mainland. Travel to Koh Kong town (by road from Phnom Penh) and arrange boat transport to outlying islands-local skippers know the safest routes.

Tips for Visiting Koh Kong (island)

  • Plan for wet‑season access delays-boat timetables can shift with weather and tide.
  • Explore mangrove edges at low tide for birds and crabs; hire a local guide for safe navigation.
  • If heading inland, secure fresh water and a local skipper; the island's interior can be remote and muddy.