Temperature in Puerto Rico in December

Puerto Rico, experiences high average maximum daytime temperatures in December, ranging from 26°C in Adjuntas to 29°C in San German. Nighttime temperatures generally drop to 23°C in San German and 20°C in Adjuntas.

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.

Weather conditions Weather

Temperatures

Precipitation

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Legend

very warm

warm

pleasant

moderate

cold

very cold

Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Puerto Rico, check out our Puerto Rico's climate page.

What is the warmest city in December in Puerto Rico?

San German tops the warmest city list in our database with average maximum daytime temperatures around 29°C and a minimum nighttime temperature of around 23°C.

What is the coldest city in December in Puerto Rico?

For the month of December, Adjuntas is the most temperate city in Puerto Rico based on our records. With highs averaging 26°C and nighttime temperatures dipping to around 20°C.

How much sun does Puerto Rico get in December?

The weather is predominantly sunny, with an estimated total of around 216 hours of sunshine in San Juan. This means many sunny days, which creates a cheerful atmosphere during this month.

What is the water's temperature in December?

The water temperature averages approximately 27°C in San Juan this month, an ideal temperature for swimming and cooling off.

Interested in more climate information?

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

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.