Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
December verdict
Thailand in December
Weather score77Very good
Very good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 7.6h per day, enough for a balanced month. Rainfall averages 82mm, so some wet days are possible.
December weather
Monthly averages
Temp
30°C
Rain
82mm
Sun
7.6h
Sea
17°C
Weather score
77
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 82mm, so some wet days are possible.
Some sun
Sunshine averages 7.6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Weather map
Compare Thailand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December30°C average high
December is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsMarch to May
This stretch sets the upper range for average daytime heat.
Rain
December82mm average rain
December sits on the drier side of Thailand'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
December7.6 hours average sun
December is brighter than Thailand's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJanuary to April
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December17°C average sea
December is below Thailand's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaMarch to November
Sea temperatures are usually near 18°C in this stretch, so swimming comfort is at its strongest.
Weather score
December77 weather score
December scores above Thailand's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.
