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December Weather in Hatillo, Puerto Rico

Last updated: August 31, 2025

In December, the average temperature in Hatillo, Puerto Rico hovers around 25°C (77°F), providing a pleasant climate. Temperatures can dip to a minimum of 21°C (71°F) and peak at around 31°C (88°F). Expect 45 mm (1.8 in) of precipitation spread over 15 days, complemented by an average humidity level of 76%, creating a warm and slightly humid atmosphere.

December Temperature in Hatillo

In December, in Hatillo, the average temperature is 25°C (77°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 21°C (71°F). This makes Hatillo an ideal destination for travelers seeking warm and pleasant weather.

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

The chart illustrates December temperature patterns in Hatillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hatillo, December typically has an average temperature of 25°C (77°F), with highs reaching up to 31°C (88°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec767576777980818181807877
Data source: Temperature data for Hatillo 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 Hatillo

In Hatillo in December, the total precipitation amount is 45 mm (1.8 in) over the course of 15 days.

December Precipitation Trends in Hatillo

The chart displays monthly precipitation patterns in Hatillo, 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 Hatillo, December typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec4147877998909110420516210945
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hatillo

In Hatillo in December, humidity is 76%. With an average temperature of 25°C (77°F), this humidity feels like a warm, heavy blanket wrapping around you, making traveling feel muggy and requiring frequent breaks to stay refreshed.

December Average Humidity in Hatillo

This chart illustrates the average monthly humidity levels in Hatillo, 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 Hatillo is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%75%77%80%80%79%78%78%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hatillo

In Hatillo in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Hatillo.

Maximum UV Index Levels in Hatillo for December

The chart shows the monthly maximum UV Index (UVI) for Hatillo 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 Hatillo typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131314131313131298
Data source: Hatillo 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 Hatillo Compares to Other Months

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

This table compares monthly weather conditions in Hatillo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)41 mm (1.6 inches)76%very high
February Weather24°C (76°F)47 mm (1.8 inches)75%extreme
March Weather24°C (76°F)87 mm (3.4 inches)74%extreme
April Weather25°C (77°F)79 mm (3.1 inches)75%extreme
May Weather26°C (79°F)98 mm (3.9 inches)75%extreme
June Weather27°C (80°F)90 mm (3.5 inches)77%extreme
July Weather27°C (81°F)91 mm (3.6 inches)80%extreme
August Weather27°C (81°F)104 mm (4.1 inches)80%extreme
September Weather27°C (81°F)205 mm (8.1 inches)79%extreme
October Weather27°C (80°F)161 mm (6.4 inches)78%extreme
November Weather26°C (79°F)109 mm (4.3 inches)78%very high
December Weather25°C (77°F)45 mm (1.8 inches)76%very high

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