Koh Chang Weather in December
During December, Koh Chang experiences very high daytime temperatures of 30°C (86°F) and cooler nights around 25°C (77°F). As the driest month of the year, rainfall is at its lowest.
Rainfall in Koh Chang in December
December is the month with the least rainfall. Whether you're keen on hiking, outdoor festivals, or just enjoying a walk, this month provides a reliably dry backdrop for all your plans. Rain is expected on roughly 3 days, totalling around 20 mm (0.8 in) for the month. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in Koh Chang in December
December is a perfect month in Koh Chang, with 30°C (86°F) during the day and 25°C (77°F) at night. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Koh Chang in December
The month enjoys around 228 hours of sunshine, creating mostly sunny days with good weather conditions.Our weather planner can help you find worldwide destinations with pleasant weather during this period. December typically offers the best weather for Koh Chang.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Koh Chang's climate page.
Koh Chang Temperature in December
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Chance of Rain
9%
Precipitation
20 mm (0.8 in)
Rainy days
3 days
Humidity
66% *
Sunshine
228 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Koh Chang typically stay consistent throughout December, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Koh Chang in December
Browse day-by-day weather records for Koh Chang spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Koh Chang historical weather extremes in December
Based on weather observations in Koh Chang between 1976 and 2025, these are the recorded extremes during December.
- Koh Chang recorded its highest December temperature of 37°C (99°F) on December 19, 2019.
- The lowest daytime temperature in December was 23°C (73°F), recorded on December 22, 2005.
- Koh Chang registered its coldest December night on December 18, 1982, with temperatures dropping to 15°C (59°F).
Best Places in Thailand in December
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in December →
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What to Wear in Koh Chang in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Some rain is possible, so pack something to handle light showers. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Koh Chang in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Koh Chang's climate page.
Temperature Rainfall Sunshine Humidity
See the full Koh Chang climate overview or explore weather in Thailand.
