Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
December verdict
Sint Maarten in December
Weather score69Good
Good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 7.8h per day, enough for a balanced month. Rainfall averages 89mm, so some wet days are possible.
December weather
Monthly averages
Temp
29°C
Rain
89mm
Sun
7.8h
Sea
27°C
Weather score
69
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 89mm, so some wet days are possible.
Some sun
Sunshine averages 7.8h per day, enough for a balanced month.
Warm sea
Sea temperatures average 27°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Sint Maarten with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December29°C average high
December is on the cooler side of Sint Maarten's year, useful if you prefer less intense daytime heat.
Warmest monthsMay to November
This stretch sets the upper range for average daytime heat.
Rain
December89mm average rain
December sits near Sint Maarten's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and June
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December7.8 hours average sun
December is close to Sint Maarten's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
December27°C average sea
December is close to Sint Maarten's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJune to November
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
December69 weather score
December sits close to Sint Maarten's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to June and December
These months have the strongest weather score in the monthly averages.
