What is the best time to visit Koh Chang?

December through March offers the best conditions, with low rainfall and comfortable temperatures. December and January are the driest months, with only 34–57mm of precipitation. February and March remain dry (50–113mm) but maintain warm daytime highs around 30°C. July through September should be avoided due to heavy monsoon rains exceeding 500mm monthly.

How far is Koh Chang from the nearest airport?

Trat Airport (TDX) is located 8km from Koh Chang, making it the primary entry point. Ground transfer options from the airport include taxi, shared minibus, and car rental services to reach the island's ferry points.

What attractions are available on Koh Chang?

The Ko Chang Naval Memorial is the main documented museum. The island also features rubber plantations, lighthouses, and Ao Tan beach. Local temples are present on the island. Amenities include 9 restaurants, 3 cafés, and a market within 10km radius, reflecting a quieter tourist infrastructure.

What is the population of Koh Chang?

Koh Chang has a population of approximately 17,874 residents, making it a small island community with limited urban development compared to major Thai beach destinations.

What is the climate like year-round?

Temperatures remain warm throughout the year, averaging 26–28°C. The island experiences two distinct seasons: a dry period (November–March) with 34–113mm monthly rainfall, and a wet monsoon season (May–September) with 350–563mm monthly precipitation. April and May are the warmest months.

Koh Chang: Thailand's Eastern Island

Koh Chang is an island located in eastern Thailand's Trat Province, approximately 8km from Trat Airport. The island has a population of around 17,874 residents. The climate is tropical, with warm temperatures year-round averaging 26–28°C. The driest months are December through March, while the southwest monsoon brings peak rainfall from July to September, with September recording 557mm of precipitation. Within a 10km radius, the island features 9 restaurants, 3 cafés, 1 market, and several cultural attractions including the Ko Chang Naval Memorial and local temples. The terrain combines coastal beaches with dense jungle vegetation, making it suitable for both relaxation and nature exploration. The nearest major transport hub is Trat Airport, 8km away.

Updated 2026-05-03 · Source: GeoNames, Wikipedia

Population: 18K
Climate: tropical
Best months: Jan–Mar, Dec

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Local currency

THB

Timezone

Asia/Bangkok

Koh Chang: Thailand's Eastern Island: 12.220, 102.366Open in OpenStreetMap ↗

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Climate

Weather data by Open-Meteo.com

Monthly normals (10-year window). Bars show precipitation, lines show average and max temperature.

Best months to visit: Jan, Feb, Mar, Dec

What's around (within 10km, 22 POIs)

9
Restaurants
4
Attractions
3
Cafés
1
ATMs
1
Markets
1
Museums
1
Temples
1
Hospitals
1
Guesthouses

Top landmarks

Ko Chang Naval Memorialmuseum
Каучуковая плантацияattraction
ประภาคารแหลมงอบattraction
RSC เขาวงเวียนattraction
Ao Tan beachattraction

Nearest airports

OpenFlights.org

Trat Airport
Trat
TDX8km

Quick facts

Koh Chang is located 8km from Trat Airport, Thailand's nearest commercial airport.
December records the lowest precipitation at 34mm over 6 days.
July is the wettest month, averaging 563mm of rainfall with 30 rain days.
The island has a year-round average temperature of 26.7°C.
Daytime temperatures peak in April at 31°C average.
The island hosts 9 restaurants and 3 cafés within a 10km radius.
Northeast monsoon conditions (November–March) bring the driest weather.
September precipitation averages 557mm with 29 rain days.
Koh Chang has a population of approximately 17,874 residents.
Ko Chang Naval Memorial is the primary documented museum attraction.
The island features 1 documented guesthouse and basic banking (1 ATM).
February averages 50mm of rain over 10 days, ideal for water activities.
The island experiences 30 rain days in both July and August.
Ao Tan beach is the main documented sandy beach attraction.
Tropical jungle terrain covers much of the island's interior.

Geography & Climate

Koh Chang sits in the Gulf of Thailand at coordinates 12.22°N, 102.37°E. The island experiences a tropical climate with consistent warm temperatures throughout the year. Daytime highs range from 28.6–31°C, while nighttime lows average 22.4–25.7°C. The northeast monsoon (November–March) brings the driest conditions, with December receiving only 34mm of rain over 6 days. The southwest monsoon (May–September) dominates the second half of the year, producing significant rainfall. July averages 563mm with 30 rain days, September 557mm with 29 rain days, and August 507mm with 30 rain days. April is the transitional month with 187mm of rainfall. The island's vegetation includes both coastal areas and jungle-covered interior terrain.

Coordinates: 12.22°N, 102.37°E
Average temperature (annual): 26.7°C
Warmest month: April, 28°C average
Wettest month: July, 563mm precipitation
Driest month: December, 34mm precipitation

Best Time to Visit

The optimal travel window is November through March, when the northeast monsoon brings lower humidity and reduced rainfall. December to March are the driest months, with December recording only 34mm over 6 days and February 50mm over 10 days. January and February maintain warm temperatures (25.9–26.4°C average) with relatively low precipitation (57–50mm). March begins the transition toward the wetter season with 113mm and 20 rain days. Travelers seeking to avoid heavy rainfall should avoid July through September, when daily downpours are frequent and visibility for water activities may be reduced. April and May are hot and wet, making them less comfortable for most visitors.

Best visit months: December–March
Peak dry season: January–February
Coldest month average: January, 25.9°C
Average rain days (dry season): 6–10 days/month

Local Attractions & Amenities

The island features several cultural and historical sites within accessible range. The Ko Chang Naval Memorial is the primary museum attraction, commemorating naval history. Additional attractions include rubber plantations, lighthouses, and natural viewpoints. Within 10km, the island has 9 restaurants, 3 cafés, and 1 market, along with 1 hospital and basic banking facilities (1 ATM). Ao Tan beach is the main sandy attraction. Guesthouses (1 documented) and informal lodging are available, though the island maintains a quieter, less commercialized atmosphere compared to major Thai beach destinations.

Restaurants (within 10km): 9
Cafés: 3
ATMs: 1
Temples/religious sites: 1
Primary landmark: Ko Chang Naval Memorial

Getting There

Trat Airport (TDX) is the nearest commercial airport, located 8km from Koh Chang. Regional and domestic flights connect Trat to Bangkok and other Thai cities. From the airport, ground transport options include taxi, shared minibus, or rental vehicle to reach the island's ferry points or accommodation. The island is accessible via boat from the mainland. No detailed ferry schedule data is provided in source materials, but seasonal variations likely occur due to monsoon conditions. During the rainy season (May–September), sea conditions may affect crossing frequency and duration.

Nearest airport: Trat (TDX), 8km
Airport transfers: Taxi, minibus, car rental
Primary access: Boat ferry from mainland

Frequently asked questions

What is the best time to visit Koh Chang?: December through March offers the best conditions, with low rainfall and comfortable temperatures. December and January are the driest months, with only 34–57mm of precipitation. February and March remain dry (50–113mm) but maintain warm daytime highs around 30°C. July through September should be avoided due to heavy monsoon rains exceeding 500mm monthly.
How far is Koh Chang from the nearest airport?: Trat Airport (TDX) is located 8km from Koh Chang, making it the primary entry point. Ground transfer options from the airport include taxi, shared minibus, and car rental services to reach the island's ferry points.
What attractions are available on Koh Chang?: The Ko Chang Naval Memorial is the main documented museum. The island also features rubber plantations, lighthouses, and Ao Tan beach. Local temples are present on the island. Amenities include 9 restaurants, 3 cafés, and a market within 10km radius, reflecting a quieter tourist infrastructure.
What is the population of Koh Chang?: Koh Chang has a population of approximately 17,874 residents, making it a small island community with limited urban development compared to major Thai beach destinations.
What is the climate like year-round?: Temperatures remain warm throughout the year, averaging 26–28°C. The island experiences two distinct seasons: a dry period (November–March) with 34–113mm monthly rainfall, and a wet monsoon season (May–September) with 350–563mm monthly precipitation. April and May are the warmest months.

More about Koh Chang: Thailand's Eastern Island

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Sources & methodology

Geographic data from GeoNames (CC BY 4.0). Narrative sourced from Wikipedia (CC BY-SA 4.0) and structured by Claude. Map by © OpenStreetMap contributors (ODbL). See the methodology and sources registry for full attribution and update cadence.

This page last refreshed 2026-05-03.