December Weather in Puerto Rico

Last updated: March 2, 2024

The weather in Puerto Rico, Colombia, during December is characterized by an average temperature of 21°C (70°F). Highs can soar to 28°C (83°F), while lows may dip to 15°C (59°F). Typically, the humidity level in Puerto Rico throughout December hovers around 85%.

15°C (59°F)

Minimum temperature

21°C (70°F)

Average temperature

28°C (83°F)

Maximum temperature

85%

Humidity

Precipitation and Sunshine hours

In December, Puerto Rico averages 112 mm (4.4 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 12 hours 0 minutes of daylight, with the sun shining for approximately 10 hours 44 minutes each day. Additionally, there is a 16% probability of sunny days during this period.

112 mm (4.4 inches)

Precipitation

15 rainy days

Rainy days

10 hours 44 minutes

Sunshine hours

16%

Chance of sun

UV Index

In December, the UV Index in Puerto Rico reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 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 1 3 6 9 12 13 11 8 5 2 1 0 0
Exposure Low Moderate High VeryHigh Extreme VeryHigh Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 30 min 45 min

Compare Puerto Rico's Climate with Cities Worldwide