Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
December verdict
Ko Chang, Thailand in December
Weather score87Excellent
Excellent for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 8.3h per day, so bright days are a strong part of the month. Rainfall averages 23mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
30°C
Rain
23mm
Sun
8.3h
Sea
29°C
Weather score
87
Excellent
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 23mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.3h per day, so bright days are a strong part of the month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Ko Chang, Thailand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December30°C average high
December is on the cooler side of Ko Chang's year, useful if you prefer less intense daytime heat.
Warmest monthsFebruary to May
This stretch sets the upper range for average daytime heat.
Rain
December23mm average rain
December is one of Ko Chang's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December8.3 hours average sun
December is one of Ko Chang's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJanuary to April and December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December29°C average sea
December is below Ko Chang's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaApril to June and November
Sea temperatures are usually near 30°C in this stretch, so swimming comfort is at its strongest.
Weather score
December87 weather score
December is one of Ko Chang's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.
