December Weather in Atonalisco, Mexico

Last updated: August 27, 2025

In Atonalisco, Mexico, the average temperature in December hovers around 20°C (69°F), offering a pleasant climate for outdoor activities. Expect a minimum chill of 7°C (46°F) and a maximum warmth reaching 33°C (92°F). During this month, precipitation is minimal, with 15 mm (0.6 in) expected over 1 day, and the average humidity sits at a comfortable 74%.

December Temperature in Atonalisco

In December in Atonalisco, the average temperature is 20°C (69°F), with maximums soaring to 33°C (92°F) and minimums dipping down to 7°C (46°F). This diverse temperature range makes it a great time for travelers to enjoy both warm days and cool evenings.

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

The chart illustrates December temperature patterns in Atonalisco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atonalisco, December typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (92°F) and lows dropping to around 7°C (46°F).

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

December Precipitation in Atonalisco

In Atonalisco in December, the precipitation amount is 15 mm (0.6 in) over the course of 1 day.

December Precipitation Trends in Atonalisco

The chart displays monthly precipitation patterns in Atonalisco, 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 Atonalisco, December typically receives around 15 mm (0.6 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 Atonalisco

In Atonalisco in December, humidity is 74%. With an average temperature of 20°C (69°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sticky and requiring frequent breaks for hydration, but with the right pacing, you can still enjoy the sights and sounds of your surroundings.

December Average Humidity in Atonalisco

This chart illustrates the average monthly humidity levels in Atonalisco, 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 Atonalisco 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 Atonalisco

In Atonalisco in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Atonalisco.

Maximum UV Index Levels in Atonalisco for December

The chart shows the monthly maximum UV Index (UVI) for Atonalisco 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 Atonalisco typically reaches 7, which falls under the high exposure category.

Data source: Atonalisco 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 Atonalisco Compares to Other Months

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

This table compares monthly weather conditions in Atonalisco, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	18 mm (0.7 inches)	64%	very high
February Weather	21°C (70°F)	25 mm (1.0 inches)	57%	very high
March Weather	23°C (73°F)	1 mm (0.1 inches)	46%	extreme
April Weather	24°C (75°F)	1 mm (0.0 inches)	42%	extreme
May Weather	26°C (78°F)	5 mm (0.2 inches)	51%	extreme
June Weather	27°C (80°F)	114 mm (4.5 inches)	74%	extreme
July Weather	26°C (79°F)	232 mm (9.1 inches)	79%	extreme
August Weather	26°C (78°F)	300 mm (11.8 inches)	81%	extreme
September Weather	25°C (77°F)	306 mm (12.1 inches)	84%	extreme
October Weather	25°C (77°F)	143 mm (5.6 inches)	75%	extreme
November Weather	23°C (73°F)	15 mm (0.6 inches)	71%	very high
December Weather	20°C (69°F)	15 mm (0.6 inches)	74%	high