Temperatures in Puerto Rico in January

January is generally a warm month with maximum daytime temperatures around 29°C (83°F) and nighttime temperatures around 22°C (72°F) in San Juan. It is one of the coldest months of the year.

What is the temperature for the different cities in Puerto Rico in January

Find the average daytime temperatures in January 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 January?
  • January is generally a sunny month with an average of 238 hours of sunshine in San Juan during the whole month.

  • How warm is the water in January?
  • The water temperature averages approximately 26°C (79°F) in San Juan this month, an ideal temperature for swimming and cooling off.

    Interested in more climate information?

    We have much more information about the climate in Puerto Rico. Interested in the weather conditions in a specific month? Select the month below.

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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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