Temperature in Puerto Rico in January

Daytime highs, nighttime lows and the warmest cities across Puerto Rico this January.

Puerto Rico, experiences high average maximum daytime temperatures in January, ranging from 25°C (77°F) in Adjuntas to 29°C (84°F) in Utuado. Nighttime temperatures generally drop to 20°C (68°F) in Utuado and 16°C (61°F) in Adjuntas. On average, it is one of the coldest months of the year.

What is the temperature of the different cities in Puerto Rico in January?

To get a sense of January's typical temperatures in the key spots of Puerto Rico, explore the map below. Click on a point for an in-depth look.

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

See also: the Puerto Rico weather by month.

Best Places to Visit in Puerto Rico in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Puerto Rico.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in January: blue is cold, red is hot.

See all January weather averages, cities and regions in Puerto Rico

Puerto Rico temperatures in January: frequently asked questions

How hot does it get in Puerto Rico in January?

Daytime temperatures in San Juan typically peak at 28°C (82°F) in January, putting it in the high range.

How cold does it get at night in Puerto Rico in January?

Average overnight lows in Puerto Rico during January sit near 22°C (72°F) in San Juan.

What is the warmest city in January in Puerto Rico?

Based on our systematic data collection, Utuado has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 29°C (84°F), while at night it goes down to an approximate temperature of 20°C (68°F).

What is the coldest city in January in Puerto Rico?

In our database, Adjuntas is the chilliest city in January in Puerto Rico. Daytime temperatures typically peak at 25°C (77°F), while the nighttime lows hover around 16°C (61°F).

How much sun does Puerto Rico get in January?

San Juan usually sees around 238 hours of sunlight, indicating many sunny days.

What is the water temperature in January?

The water temperature averages approximately 26°C (79°F) in San Juan this month, a perfect temperature for swimming and cooling off.

Interested in more climate information?

We have much more information about the climate in Puerto Rico.

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.