Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
December verdict
Chetumal, Quintana Roo, Mexico in December
Weather score74Very good
Very good for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 5.9h per day, enough for a balanced month. Rainfall averages 92mm, so some wet days are possible.
December weather
Monthly averages
Temp
28°C
Rain
92mm
Sun
5.9h
Sea
26°C
Weather score
74
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 92mm, so some wet days are possible.
Some sun
Sunshine averages 5.9h per day, enough for a balanced month.
Swimmable
Sea temperatures average 26°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Chetumal, Quintana Roo, Mexico with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December28°C average high
December is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsApril to September
This stretch sets the upper range for average daytime heat.
Rain
December92mm average rain
December sits near Chetumal'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
December5.9 hours average sun
December is one of Chetumal's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMarch to May
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December26°C average sea
December is below Chetumal's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaMay to October
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
December74 weather score
December sits close to Chetumal's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to April and November
These months have the strongest weather score in the monthly averages.
