Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
December verdict
Southern Gulf Coast, Thailand in December
Weather score53Mixed
Mixed for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 5.8h per day, enough for a balanced month. Rainfall averages 319mm, so showers are a real planning factor.
December weather
Monthly averages
Temp
29°C
Rain
319mm
Sun
5.8h
Sea
28°C
Weather score
53
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 319mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.8h 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 Southern Gulf Coast, Thailand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December29°C average high
December is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsMarch to September
This stretch sets the upper range for average daytime heat.
Rain
December319mm average rain
December is wetter than Southern Gulf Coast's yearly average, so flexible plans matter more.
Driest monthsJanuary to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December5.8 hours average sun
December is below Southern Gulf Coast's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to April
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December28°C average sea
December is below Southern Gulf Coast's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaApril to September
Sea temperatures are usually near 30°C in this stretch, so swimming comfort is at its strongest.
Weather score
December53 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to March
These months have the strongest weather score in the monthly averages.