Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
December verdict
Puerto Rico in December
Weather score68Good
Good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 7h per day, enough for a balanced month. Rainfall averages 126mm, so some wet days are possible.
December weather
Monthly averages
Temp
27°C
Rain
126mm
Sun
7h
Sea
16°C
Weather score
68
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 126mm, so some wet days are possible.
Some sun
Sunshine averages 7h per day, enough for a balanced month.
Cool sea
Sea temperatures average 16°C, so the water can feel cool.
Map
Weather map
Compare Puerto Rico with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December27°C average high
December is on the cooler side of Puerto Rico's year, useful if you prefer less intense daytime heat.
Warmest monthsMay to October
This stretch sets the upper range for average daytime heat.
Rain
December126mm average rain
December sits near Puerto Rico'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
December7 hours average sun
December is one of Puerto Rico's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMarch to April and June to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December16°C average sea
December is close to Puerto Rico's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaMay to December
Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.
Weather score
December68 weather score
December sits close to Puerto Rico's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsFebruary to April
These months have the strongest weather score in the monthly averages.
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