Puerto Rico in December: where is it warmest?
In December, San Juan, Puerto Rico is the warmest place with 28 °C by day, Bayamón the coolest with 28 °C. 2 of 2 destinations have good holiday weather.
All destinations in December, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
| Place | Score | Air | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| San Juan, Puerto Rico | 69 | 28° | 27° | 7 h | 12 |
| Bayamón | 69 | 28° | 27° | 7 h | 12 |
Puerto Rico in December: quick answers
Puerto Rico in December: where is it warmest?
The warmest places in December are San Juan, Puerto Rico (28 °C) and Bayamón (28 °C).
Puerto Rico in December: where is the sea warmest?
The sea is warmest at San Juan, Puerto Rico (27 °C) and Bayamón (27 °C).
Puerto Rico in December: where is the weather best?
The best holiday weather in December – warm, sunny and dry – is in San Juan, Puerto Rico and Bayamón.
Puerto Rico month by month
Puerto Rico: weather & best time to visit
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences