December Weather in Dieciocho de Marzo, Mexico

Last updated: August 27, 2025

In December, the average temperature in Dieciocho de Marzo, Mexico hovers around 13°C (56°F), offering a mild climate. Be prepared for temperatures that can dip as low as -2°C (29°F) at their lowest and reach a pleasant 26°C (79°F) at their peak. Rainfall is relatively light, with precipitation amounting to just 8 mm (0.3 in) over 1 day. The air carries a notable average humidity of 81%, enhancing the overall atmosphere.

December Temperature in Dieciocho de Marzo

In December in Dieciocho de Marzo, the average temperature is 13°C (56°F). Maximums can reach 26°C (79°F), and minimums can be as low as -2°C (29°F). Travelers should prepare for a wide range of temperatures and pack accordingly.

December Weather in Dieciocho de Marzo: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Dieciocho de Marzo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dieciocho de Marzo, December typically has an average temperature of 13°C (56°F), with highs reaching up to 26°C (79°F) and lows dropping to around -2°C (29°F).

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

December Precipitation in Dieciocho de Marzo

In Dieciocho de Marzo in December, the precipitation amount is 8 mm (0.3 in) over the course of 1 day.

December Precipitation Trends in Dieciocho de Marzo

The chart displays monthly precipitation patterns in Dieciocho de Marzo, 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 Dieciocho de Marzo, December typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 1 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 Dieciocho de Marzo

In Dieciocho de Marzo in December, humidity is 81%. With an average temperature of 13°C (56°F), this humidity feels like a blanket of damp air that clings to your skin, making it essential to pack breathable clothing and stay hydrated while exploring.

December Average Humidity in Dieciocho de Marzo

This chart illustrates the average monthly humidity levels in Dieciocho de Marzo, 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 Dieciocho de Marzo 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 Dieciocho de Marzo

In Dieciocho de Marzo 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 Dieciocho de Marzo.

Maximum UV Index Levels in Dieciocho de Marzo for December

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

Data source: Dieciocho de Marzo 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 Dieciocho de Marzo Compares to Other Months

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

This table compares monthly weather conditions in Dieciocho de Marzo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	10 mm (0.4 inches)	74%	very high
February Weather	15°C (60°F)	11 mm (0.4 inches)	65%	extreme
March Weather	18°C (65°F)	12 mm (0.5 inches)	58%	extreme
April Weather	20°C (68°F)	5 mm (0.2 inches)	58%	extreme
May Weather	21°C (70°F)	39 mm (1.5 inches)	67%	extreme
June Weather	20°C (68°F)	167 mm (6.6 inches)	76%	extreme
July Weather	18°C (66°F)	178 mm (7.0 inches)	67%	extreme
August Weather	19°C (66°F)	148 mm (5.8 inches)	68%	extreme
September Weather	18°C (64°F)	169 mm (6.6 inches)	81%	extreme
October Weather	17°C (63°F)	68 mm (2.7 inches)	83%	extreme
November Weather	15°C (59°F)	18 mm (0.7 inches)	84%	very high
December Weather	13°C (56°F)	8 mm (0.3 inches)	81%	very high