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December Weather in Guayabal, Puerto Rico

Last updated: August 31, 2025

In December, the average temperature in Guayabal, Puerto Rico is a pleasant 25°C (76°F). Expect lows of 21°C (71°F) and highs reaching 28°C (84°F). With an average humidity of 77%, it's essential to stay hydrated. Just a note: expect 31 mm (1.2 in) of precipitation over approximately 10 days, so you might want to pack an umbrella!

December Temperature in Guayabal

In December in Guayabal, the average temperature is 25°C (76°F). Maximums can reach 28°C (84°F), and minimums can drop to as low as 21°C (71°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities in Guayabal.

December Weather in Guayabal: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Guayabal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guayabal, December typically has an average temperature of 25°C (76°F), with highs reaching up to 28°C (84°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec757575767779798079797776
Data source: Temperature data for Guayabal generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Guayabal

In Guayabal in December, the precipitation amount is 31 mm (1.2 in) over a span of 10 days.

December Precipitation Trends in Guayabal

The chart displays monthly precipitation patterns in Guayabal, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Guayabal, December typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec26285350625583891581158831
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Guayabal

In Guayabal in December humidity is 77%. With an average temperature of 25°C (76°F), this humidity feels like a warm, enveloping blanket that can make traveling feel sticky and heavy, often leaving you craving cool refreshments and shaded spots to recharge.

December Average Humidity in Guayabal

This chart illustrates the average monthly humidity levels in Guayabal, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Guayabal is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%75%76%76%78%81%80%79%79%78%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Guayabal

In Guayabal in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Guayabal.

Maximum UV Index Levels in Guayabal for December

The chart shows the monthly maximum UV Index (UVI) for Guayabal in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Guayabal typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111314141313131412109
Data source: Guayabal December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Guayabal Compares to Other Months

Weather in Guayabal varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Guayabal, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Guayabal, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)26 mm (1.0 inches)76%very high
February Weather24°C (75°F)28 mm (1.1 inches)75%extreme
March Weather24°C (75°F)53 mm (2.1 inches)75%extreme
April Weather24°C (76°F)50 mm (2.0 inches)76%extreme
May Weather25°C (77°F)62 mm (2.4 inches)76%extreme
June Weather26°C (79°F)55 mm (2.2 inches)78%extreme
July Weather26°C (80°F)83 mm (3.3 inches)81%extreme
August Weather27°C (80°F)89 mm (3.5 inches)80%extreme
September Weather26°C (80°F)158 mm (6.2 inches)79%extreme
October Weather26°C (79°F)115 mm (4.5 inches)78%extreme
November Weather25°C (78°F)88 mm (3.5 inches)78%very high
December Weather25°C (76°F)31 mm (1.2 inches)77%very high

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