December Weather in Atotonilco el Alto, Mexico

Last updated: August 27, 2025

In December, the average temperature in Atotonilco el Alto, Mexico hovers around 16°C (61°F). Expect minimums of 2°C (36°F) and toasty maximums reaching 29°C (85°F). With a low precipitation amount of just 3 mm (0.1 in) over 0 days, you can enjoy the outdoors comfortably. The atmosphere stays relatively humid, with an average of 74% humidity.

December Temperature in Atotonilco el Alto

In December in Atotonilco el Alto, the average temperature is 16°C (61°F), with maximums reaching 29°C (85°F) and minimums dropping as low as 2°C (36°F). This climate makes Atotonilco el Alto a great destination for travelers looking to experience mild weather with the possibility of warmer days during this month.

December Weather in Atotonilco el Alto: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Atotonilco el Alto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atotonilco el Alto, December typically has an average temperature of 16°C (61°F), with highs reaching up to 29°C (85°F) and lows dropping to around 2°C (36°F).

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

December Precipitation in Atotonilco el Alto

In Atotonilco el Alto in December, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

December Precipitation Trends in Atotonilco el Alto

The chart displays monthly precipitation patterns in Atotonilco el Alto, 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 Atotonilco el Alto, December typically receives around 3 mm (0.1 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 Atotonilco el Alto

In Atotonilco el Alto in December humidity is 74%. With an average temperature of 16°C (61°F), this humidity feels like a damp blanket wrapping around you, making traveling quite uncomfortable as the air feels thick and muggy, potentially leading to fatigue and a longing for a cool breeze.

December Average Humidity in Atotonilco el Alto

This chart illustrates the average monthly humidity levels in Atotonilco el Alto, 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 Atotonilco el Alto is approximately 74%, 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 Atotonilco el Alto

In Atotonilco el Alto 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 Atotonilco el Alto.

Maximum UV Index Levels in Atotonilco el Alto for December

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

Data source: Atotonilco el Alto 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 Atotonilco el Alto Compares to Other Months

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

This table compares monthly weather conditions in Atotonilco el Alto, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	6 mm (0.2 inches)	64%	very high
February Weather	18°C (65°F)	7 mm (0.3 inches)	57%	extreme
March Weather	21°C (70°F)	2 mm (0.1 inches)	46%	extreme
April Weather	23°C (73°F)	1 mm (0.0 inches)	42%	extreme
May Weather	24°C (75°F)	34 mm (1.4 inches)	51%	extreme
June Weather	23°C (73°F)	140 mm (5.5 inches)	74%	extreme
July Weather	21°C (70°F)	234 mm (9.2 inches)	79%	extreme
August Weather	21°C (70°F)	218 mm (8.6 inches)	81%	extreme
September Weather	20°C (69°F)	187 mm (7.4 inches)	84%	extreme
October Weather	20°C (68°F)	73 mm (2.9 inches)	75%	extreme
November Weather	18°C (65°F)	16 mm (0.6 inches)	71%	very high
December Weather	16°C (61°F)	3 mm (0.1 inches)	74%	very high