Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
December verdict
Surat Thani, Thailand in December
Weather score68Good
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 6.2h per day, enough for a balanced month. Rainfall averages 131mm, so some wet days are possible.
December weather
Monthly averages
Temp
30°C
Rain
131mm
Sun
6.2h
Sea
28°C
Weather score
68
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 131mm, so some wet days are possible.
Some sun
Sunshine averages 6.2h per day, enough for a balanced month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Surat Thani, 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
December131mm average rain
December sits near Surat Thani's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December6.2 hours average sun
December is below Surat Thani's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsFebruary to March
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December28°C average sea
December is one of the cooler sea months locally, though the water still averages warm enough for most swimmers.
Warmest seaMarch to July
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
December68 weather score
December sits close to Surat Thani's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to March
These months have the strongest weather score in the monthly averages.
Hotels near Surat Thani, Thailand
Marriott
Renaissance Koh Samui Resort & SpaKoh Samui, Thailand
W Koh SamuiKoh Samui, Thailand
Sheraton Samui ResortKoh Samui, Thailand
Vana Belle, a Luxury Collection Resort, Koh SamuiKoh Samui, Thailand
The Ritz-Carlton, Koh SamuiKoh Samui, Thailand
Khao Lak Marriott Beach Resort & SpaTakua Pa District, Phang Nga, Thailand