Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
December verdict
San Juan, Puerto Rico in December
Weather score64Good
Good for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 7h per day, enough for a balanced month. Rainfall averages 151mm, so some wet days are possible.
December weather
Monthly averages
Temp
28°C
Rain
151mm
Sun
7h
Weather score
64
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 151mm, so some wet days are possible.
Some sun
Sunshine averages 7h per day, enough for a balanced month.
Map
Weather map
Compare San Juan, Puerto Rico with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December28°C average high
December is on the cooler side of San Juan'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
December151mm average rain
December sits near San Juan's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December7 hours average sun
December is below San Juan's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMarch to April and June to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
December64 weather score
December scores below San Juan's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsFebruary to April
These months have the strongest weather score in the monthly averages.
Hotels in San Juan, Puerto Rico
Marriott
San Juan Marriott Resort & Stellaris CasinoSan Juan, Puerto Rico
Sheraton Puerto Rico Resort & CasinoSan Juan, Puerto Rico, Puerto Rico
Alma San Juan, Puerto Rico, Autograph CollectionSan Juan, Puerto Rico, Puerto Rico
La Concha Resort, Puerto Rico, Autograph CollectionSan Juan, Puerto Rico
Hotel Rumbao, a Tribute Portfolio HotelSan Juan, Puerto Rico
AC Hotel San Juan CondadoSan Juan, Puerto Rico