December Weather in Altata, Mexico

Last updated: August 27, 2025

In Altata, Mexico, the average temperature in December hovers around 21°C (70°F). Expect a pleasant range, with lows of 14°C (57°F) and highs reaching 28°C (83°F). Don't forget your umbrella, as precipitation averages 8 mm (0.3 in) over 1 day. With an average humidity of 72%, it's a perfect time to enjoy the atmosphere!

December Temperature in Altata

In December in Altata, the average temperature is 21°C (70°F). The maximum can reach 28°C (83°F) and the minimum can be as low as 14°C (57°F). This mild weather makes Altata an ideal destination for comfortable travel and outdoor adventures.

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

The chart illustrates December temperature patterns in Altata, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altata, December typically has an average temperature of 21°C (70°F), with highs reaching up to 28°C (83°F) and lows dropping to around 14°C (57°F).

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

December Precipitation in Altata

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

December Precipitation Trends in Altata

The chart displays monthly precipitation patterns in Altata, 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 Altata, 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 Altata

In Altata in December, humidity is 72%. With an average temperature of 21°C (70°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sticky and sweaty, but still manageable for traveling if you stay hydrated and take regular breaks in the shade.

December Average Humidity in Altata

This chart illustrates the average monthly humidity levels in Altata, 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 Altata is approximately 72%, 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 Altata

In Altata in December, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Altata, you can refer to this Hourly UV Index in Altata.

Maximum UV Index Levels in Altata for December

The chart shows the monthly maximum UV Index (UVI) for Altata 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 Altata typically reaches 6, which falls under the high exposure category.

Data source: Altata 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 Altata Compares to Other Months

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

This table compares monthly weather conditions in Altata, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (67°F)	5 mm (0.2 inches)	70%	high
February Weather	19°C (67°F)	16 mm (0.6 inches)	67%	very high
March Weather	20°C (69°F)	1 mm (0.0 inches)	62%	very high
April Weather	23°C (73°F)	0 mm (0.0 inches)	58%	extreme
May Weather	25°C (78°F)	0 mm (0.0 inches)	59%	extreme
June Weather	28°C (82°F)	16 mm (0.6 inches)	64%	extreme
July Weather	29°C (85°F)	55 mm (2.2 inches)	74%	extreme
August Weather	30°C (86°F)	126 mm (4.9 inches)	78%	extreme
September Weather	29°C (84°F)	142 mm (5.6 inches)	78%	extreme
October Weather	28°C (83°F)	40 mm (1.6 inches)	75%	very high
November Weather	25°C (77°F)	22 mm (0.9 inches)	74%	very high
December Weather	21°C (70°F)	8 mm (0.3 inches)	72%	high