December Weather in Buena Vista, Puerto Rico

Last updated: August 31, 2025

In December, the average temperature in Buena Vista, Puerto Rico is a pleasant 25°C (77°F), with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (82°F). However, be prepared for 67 mm (2.6 in) of precipitation over 23 days, resulting in an average humidity of 77%. Enjoy the cozy yet humid climate!

December Temperature in Buena Vista

In December in Buena Vista, the average temperature is 25°C (77°F). Maximum can reach 28°C (82°F) and minimum can be as low as 23°C (73°F). This mild and pleasant climate makes it an ideal time to explore and enjoy all that Buena Vista has to offer.

December Weather in Buena Vista: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Buena Vista, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Buena Vista, December typically has an average temperature of 25°C (77°F), with highs reaching up to 28°C (82°F) and lows dropping to around 23°C (73°F).

Data source: Temperature data for Buena Vista generated using information from the Copernicus Climate Change Service.

December Precipitation in Buena Vista

In Buena Vista in December, the precipitation amount is 67 mm (2.6 in) over the course of 23 days.

December Precipitation Trends in Buena Vista

The chart displays monthly precipitation patterns in Buena Vista, 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 Buena Vista, December typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 23 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Buena Vista

In Buena Vista in December, humidity is 77%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket wrapping around you, making travel feel slightly heavy but still pleasant, as long as you stay hydrated and take frequent breaks in the shade.

December Average Humidity in Buena Vista

This chart illustrates the average monthly humidity levels in Buena Vista, 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 Buena Vista is approximately 77%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Buena Vista

In Buena Vista 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 Buena Vista.

Maximum UV Index Levels in Buena Vista for December

The chart shows the monthly maximum UV Index (UVI) for Buena Vista 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 Buena Vista typically reaches 9, which falls under the very high exposure category.

Data source: Buena Vista 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 Buena Vista Compares to Other Months

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

This table compares monthly weather conditions in Buena Vista, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (76°F)	48 mm (1.9 inches)	76%	very high
February Weather	24°C (76°F)	51 mm (2.0 inches)	75%	extreme
March Weather	24°C (76°F)	64 mm (2.5 inches)	75%	extreme
April Weather	25°C (77°F)	67 mm (2.7 inches)	76%	extreme
May Weather	25°C (78°F)	97 mm (3.8 inches)	76%	extreme
June Weather	26°C (79°F)	92 mm (3.6 inches)	78%	extreme
July Weather	27°C (80°F)	139 mm (5.5 inches)	81%	extreme
August Weather	27°C (81°F)	134 mm (5.3 inches)	80%	extreme
September Weather	27°C (81°F)	190 mm (7.5 inches)	79%	extreme
October Weather	27°C (80°F)	165 mm (6.5 inches)	78%	extreme
November Weather	26°C (79°F)	119 mm (4.7 inches)	78%	very high
December Weather	25°C (77°F)	67 mm (2.6 inches)	77%	very high