December Weather in Belen, Mexico

Last updated: August 27, 2025

In Belen, Mexico, the average temperature in December hovers around 14°C (58°F), with a minimum of 0°C (32°F) and a maximum reaching up to 27°C (81°F). During this month, the area typically receives a light precipitation of 4 mm (0.2 in) over the course of 0 days. Additionally, the average humidity is a comfortable 81%, making it a pleasant time to explore the sights and sounds of this locale.

December Temperature in Belen

In December in Belen, the average temperature is 14°C (58°F), with maximums reaching 27°C (81°F) and minimums dropping as low as 0°C (32°F). This moderate climate makes Belen an ideal destination for travelers looking to enjoy a variety of outdoor activities while still being comfortable.

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

The chart illustrates December temperature patterns in Belen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belen, December typically has an average temperature of 14°C (58°F), with highs reaching up to 27°C (81°F) and lows dropping to around 0°C (32°F).

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

December Precipitation in Belen

In Belen in December, the precipitation amount is 4 mm (0.2 in) over the course of 0 days.

December Precipitation Trends in Belen

The chart displays monthly precipitation patterns in Belen, 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 Belen, December typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 0 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 Belen

In Belen in December, humidity is 81%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making outdoor adventures sticky and challenging, while also providing a lush, vibrant atmosphere perfect for exploring.

December Average Humidity in Belen

This chart illustrates the average monthly humidity levels in Belen, 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 Belen is approximately 81%, 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 Belen

In Belen 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 Belen.

Maximum UV Index Levels in Belen for December

The chart shows the monthly maximum UV Index (UVI) for Belen 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 Belen typically reaches 8, which falls under the very high exposure category.

Data source: Belen 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 Belen Compares to Other Months

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

This table compares monthly weather conditions in Belen, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (58°F)	5 mm (0.2 inches)	74%	very high
February Weather	16°C (61°F)	7 mm (0.3 inches)	65%	extreme
March Weather	19°C (66°F)	12 mm (0.5 inches)	58%	extreme
April Weather	21°C (69°F)	11 mm (0.4 inches)	58%	extreme
May Weather	21°C (71°F)	54 mm (2.1 inches)	67%	extreme
June Weather	20°C (69°F)	170 mm (6.7 inches)	76%	extreme
July Weather	19°C (66°F)	160 mm (6.3 inches)	67%	extreme
August Weather	19°C (66°F)	158 mm (6.2 inches)	68%	extreme
September Weather	18°C (65°F)	175 mm (6.9 inches)	81%	extreme
October Weather	18°C (64°F)	58 mm (2.3 inches)	83%	extreme
November Weather	16°C (60°F)	24 mm (0.9 inches)	84%	very high
December Weather	14°C (58°F)	4 mm (0.2 inches)	81%	very high