Puerto Rico temperatures in December

December is generally a warm month with maximum daytime temperatures around 29°C (84°F) and nighttime temperatures around 23°C (73°F) in San Juan.

What is the temperature of the different cities in Puerto Rico in December

Find the average daytime temperatures in December for the most popular destinations in Puerto Rico on the map below. Click on a destination dot for more detailed information.

Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30ºC (86ºF). Warm: 22ºC (72ºF) to 30ºC (86ºF). Pleasant: 18ºC (64ºF) to 22ºC (72ºF) Moderate: 12ºC (54ºF) to 18ºC (64ºF). Cold: 2ºC (36ºF) to 12ºC (54ºF). Very cold: lower than 2ºC (36ºF)

  • How much sun does Puerto Rico get in December?
  • December is generally a sunny month with an average of 216 hours of sunshine in San Juan during the whole month.

  • How warm is the water in December?
  • The water temperature averages approximately 27°C (81°F) in San Juan this month, an ideal temperature for swimming and cooling off.

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  • Weather and climate has detailed information for almost all countries in the world. Are you going to Puerto Rico? Get detailed historical weather averages for many cities in Puerto Rico.

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