Ko Chang weather in December
December in Ko Chang: hot, dry, with clean air — one of the best months to visit.
#1 of 12 months in Ko Chang · #20 of 897 destinations to visit in December · comfort 93/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Ko Chang in December
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Ko Chang climate normals — December
| Daytime high | 30°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 24°C / 75°F | |
| Rainfall | 21 mm / 0.8 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 69% | 💧 humid |
| Dew point | 21°C / 69°F | |
| Sunshine | 10 h/day | |
| Daylight | 11.4 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Ko Chang in December — FAQ
- Is December a good time to visit Ko Chang?
- December in Ko Chang: hot, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for Ko Chang on SeasonMap's comfort score (93/100).
- What is the weather like in Ko Chang in December?
- In December, Ko Chang averages a daily high of 29.5°C and a low of 23.8°C, with about 20.9 mm of rain over roughly 4 rainy days.
- What is the air quality in Ko Chang in December?
- Ko Chang has a mean US Air Quality Index of about 35 in December.