December Weather in Bayamon

Last updated: March 2, 2024

The weather in Bayamon, Puerto Rico, during December is characterized by an average temperature of 26°C (78°F). Highs can soar to 30°C (85°F), while lows may dip to 23°C (73°F). Typically, the humidity level in Bayamon throughout December hovers around 76%.

23°C (73°F)

Minimum temperature

26°C (78°F)

Average temperature

30°C (85°F)

Maximum temperature

76%

Humidity

Precipitation and Sunshine hours

In December, Bayamon averages 50 mm (2.0 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 11 hours 1 minutes of daylight, with the sun shining for approximately 10 hours 16 minutes each day. Additionally, there is a 64% probability of sunny days during this period.

50 mm (2.0 inches)

Precipitation

16 rainy days

Rainy days

10 hours 16 minutes

Sunshine hours

64%

Chance of sun

UV Index

In December, the UV Index in Bayamon reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 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 1 3 5 7 8 8 6 4 2 1 0 0
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

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