December Weather in Atapan, Mexico

Last updated: August 26, 2025

In December, the average temperature in Atapan, Mexico hovers around 16°C (61°F). Expect a range where the mercury can dip to a cool 4°C (40°F) at its lowest and rise to a pleasant 27°C (81°F) at its peak. With precipitation totaling 6 mm (0.2 in) over just 1 day, the air carries an average humidity of 76%, making for a refreshing, albeit slightly damp, atmosphere.

December Temperature in Atapan

In December in Atapan, the average temperature is 16°C (61°F), with maximums reaching up to 27°C (81°F) and minimums dropping as low as 4°C (40°F). This makes it a diverse climate suitable for both outdoor activities and cooler evenings, perfect for travelers seeking a varied experience.

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

The chart illustrates December temperature patterns in Atapan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atapan, December typically has an average temperature of 16°C (61°F), with highs reaching up to 27°C (81°F) and lows dropping to around 4°C (40°F).

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

December Precipitation in Atapan

In Atapan in December, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

December Precipitation Trends in Atapan

The chart displays monthly precipitation patterns in Atapan, 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 Atapan, December typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 1 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Atapan

In Atapan in December humidity is 76%. With an average temperature of 16°C (61°F), this humidity feels like a warm embrace that makes traveling feel slightly heavy yet refreshing, often prompting you to seek shade or indulge in ice-cold drinks to stay comfortable.

December Average Humidity in Atapan

This chart illustrates the average monthly humidity levels in Atapan, 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 Atapan is approximately 76%, 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 Atapan

In Atapan 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 Atapan.

Maximum UV Index Levels in Atapan for December

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

Data source: Atapan 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 Atapan Compares to Other Months

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

This table compares monthly weather conditions in Atapan, 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)	11 mm (0.4 inches)	70%	very high
February Weather	17°C (63°F)	14 mm (0.6 inches)	65%	extreme
March Weather	20°C (67°F)	12 mm (0.5 inches)	59%	extreme
April Weather	21°C (70°F)	6 mm (0.2 inches)	60%	extreme
May Weather	22°C (72°F)	54 mm (2.1 inches)	67%	extreme
June Weather	20°C (69°F)	263 mm (10.4 inches)	80%	extreme
July Weather	19°C (67°F)	378 mm (14.9 inches)	81%	extreme
August Weather	19°C (67°F)	427 mm (16.8 inches)	83%	extreme
September Weather	19°C (67°F)	378 mm (14.9 inches)	83%	extreme
October Weather	19°C (66°F)	157 mm (6.2 inches)	80%	extreme
November Weather	17°C (63°F)	41 mm (1.6 inches)	77%	very high
December Weather	16°C (61°F)	6 mm (0.2 inches)	76%	very high