Island in Trat, Thailand
Koh Chang weather by month and the best time to visit
When to go to Koh Chang
Nov–Feb is dry and sunny; Mar–Apr is hot. Jun–Oct is heavily rainy with rough seas and many places close. Weekends fill with Bangkok visitors.
Koh Chang weather by month
Average daily high, rainfall and conditions.
- Jan28°45 mm
- Feb28°53 mm
- Mar29°106 mm
- Apr30°151 mm
- May29°369 mm
- Jun28°556 mm
- Jul28°691 mm
- Aug28°581 mm
- Sep28°610 mm
- Oct28°324 mm
- Nov28°105 mm
- Dec28°36 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 28°C82°F | 24°C75°F | 45 mm | 76% | Pleasant |
| February | 28°C83°F | 24°C76°F | 53 mm | 77% | Pleasant |
| March | 29°C84°F | 26°C78°F | 106 mm | 80% | Pleasant |
| April | 30°C85°F | 27°C80°F | 151 mm | 80% | Pleasant |
| May | 29°C84°F | 27°C81°F | 369 mm | 83% | Very wet |
| June | 28°C83°F | 27°C80°F | 556 mm | 86% | Very wet |
| July | 28°C82°F | 26°C80°F | 691 mm | 86% | Very wet |
| August | 28°C82°F | 26°C79°F | 581 mm | 87% | Very wet |
| September | 28°C82°F | 26°C79°F | 610 mm | 87% | Very wet |
| October | 28°C83°F | 26°C78°F | 324 mm | 84% | Very wet |
| November | 28°C83°F | 25°C77°F | 105 mm | 81% | Pleasant |
| December | 28°C82°F | 24°C75°F | 36 mm | 78% | Pleasant |
Best months across Thailand
| Place | Best months | Warmest month |
|---|---|---|
| Bangkok | Nov–Feb | Mar (36°C) |
| Phuket | Nov–Mar | Mar (30°C) |
| Chiang Mai | Nov–Jan | Apr (37°C) |
| Koh Samui | Jan–Apr, Jul–Aug | May (30°C) |
| Krabi | Nov–Mar | Mar (31°C) |
| Koh Phi Phi | Nov–Mar | Apr (30°C) |
| Koh Phangan | Jan–Apr, Jul–Aug | May (27°C) |
| Pai | Nov–Feb | Apr (35°C) |
| Pattaya | Nov–Feb | Apr (31°C) |
| Koh Tao | Feb–Aug | May (29°C) |
| Patong | Nov–Apr | Mar (30°C) |
| Hua Hin | Nov–Mar | Apr (33°C) |
| Chiang Rai | Nov–Feb | Apr (35°C) |
| Ayutthaya | Nov–Feb | Mar (37°C) |
| Koh Lanta | Nov–Apr | Apr (29°C) |
| Railay | Nov–Mar | Mar (31°C) |
| Kanchanaburi | Nov–Feb | Apr (37°C) |
| Koh Chang | Nov–Feb | Apr (30°C) |
| Khao Lak | Nov–Mar | Mar (31°C) |
| Koh Samet | Nov–Mar | Apr (30°C) |
| Koh Lipe | Nov–Mar | Apr (30°C) |
| Khao Yai | Nov–Feb | Apr (34°C) |
| Khao Sok | Dec–Apr | Apr (32°C) |
| Sukhothai | Nov–Feb | Apr (38°C) |
| Hat Yai | Jan–Apr | Apr (31°C) |
| Kata Beach | Nov–Mar | Mar (30°C) |
| Jomtien | Nov–Feb | Apr (31°C) |
| Rawai | Nov–Mar | Mar (30°C) |
| Udon Thani | Nov–Feb | Apr (37°C) |
| Koh Kood | Nov–Mar | May (30°C) |
Quick answers
What is the best month to visit Koh Chang?
Nov–Feb. Nov–Feb is dry and sunny; Mar–Apr is hot. Jun–Oct is heavily rainy with rough seas and many places close. Weekends fill with Bangkok visitors.
When is the rainy season in Koh Chang?
Rain peaks in July with about 691 mm. Months with 150 mm or more: Apr–Oct.
What is the hottest month in Koh Chang?
April, with average highs of 30°C (85°F).
How cold does Koh Chang get?
The coolest nights are in January, averaging 24°C (75°F).
More about Koh Chang
Going to Koh Chang solo?
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Sources
- NASA POWER climatology (2001–2020)
- Tourism Authority of Thailand: Trat
- Trat Airport (Bangkok Airways)
- Bangkok Hospital Trat
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.