Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
December verdict
Ko Ngai, Thailand in December
Weather score72Very good
Very good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 7h per day, enough for a balanced month. Rainfall averages 98mm, so some wet days are possible.
December weather
Monthly averages
Temp
31°C
Rain
98mm
Sun
7h
Sea
29°C
Weather score
72
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 98mm, so some wet days are possible.
Some sun
Sunshine averages 7h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Ko Ngai, Thailand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December31°C average high
December is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsFebruary to April
This stretch sets the upper range for average daytime heat.
Rain
December98mm average rain
December sits on the drier side of Ko Ngai's year, which helps with sightseeing and transfers.
Driest monthsJanuary to April and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December7 hours average sun
December sits close to Ko Ngai's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to March
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December29°C average sea
December is below Ko Ngai's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaMarch to September
Sea temperatures are usually near 30°C in this stretch, so swimming comfort is at its strongest.
Weather score
December72 weather score
December scores above Ko Ngai's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to March
These months have the strongest weather score in the monthly averages.
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