January Weather in Puerto Rico

Last updated: March 2, 2024

The weather in Puerto Rico, Spain, during January is characterized by an average temperature of 17°C (63°F). Highs can soar to 21°C (70°F), while lows may dip to 14°C (57°F). Typically, the humidity level in Puerto Rico throughout January hovers around 73%.

14°C (57°F)

Minimum temperature

17°C (63°F)

Average temperature

21°C (70°F)

Maximum temperature



Precipitation and Sunshine hours

In January, Puerto Rico averages 15 mm (0.6 inches) of rainfall, typically over the course of 2 rainy days. The month enjoys an average of 10 hours 35 minutes of daylight, with the sun shining for approximately 7 hours 34 minutes each day. Additionally, there is a 68% probability of sunny days during this period.

15 mm (0.6 inches)


2 rainy days

Rainy days

7 hours 34 minutes

Sunshine hours


Chance of sun

UV Index

In January, the UV Index in Puerto Rico reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 0 1 1 2 4 5 6 5 4 2 1 1 0
Exposure Low Moderate High Moderate Low
Time to burn 45 min 30 min 25 min 30 min 45 min

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