December Weather in Monte Alto, Mexico

Last updated: August 27, 2025

In December, the average temperature in Monte Alto, Mexico hovers around 27°C (80°F). Expect minimums of 19°C (66°F) and maximums reaching 35°C (95°F). With 19 mm (0.8 in) of precipitation over just 1 day, you'll find the air wrapped in a comfortable 70% humidity.

December Temperature in Monte Alto

In December in Monte Alto, the average temperature is 27°C (80°F). Maximums can reach 35°C (95°F), and minimums can be as low as 19°C (66°F). This pleasant climate makes Monte Alto an ideal destination for travelers seeking warmth and outdoor activities.

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

The chart illustrates December temperature patterns in Monte Alto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monte Alto, December typically has an average temperature of 27°C (80°F), with highs reaching up to 35°C (95°F) and lows dropping to around 19°C (66°F).

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

December Precipitation in Monte Alto

In Monte Alto in December, the precipitation amount is 19 mm (0.8 in) over the course of 1 day.

December Precipitation Trends in Monte Alto

The chart displays monthly precipitation patterns in Monte 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 Monte Alto, December typically receives around 19 mm (0.8 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 Monte Alto

In Monte Alto in December humidity is 70%. With an average temperature of 27°C (80°F), this humidity feels like you're enveloped in a warm, heavy blanket, making traveling feel a bit more challenging. The air tends to weigh you down, and you may find yourself needing to take frequent breaks to stay refreshed.

December Average Humidity in Monte Alto

This chart illustrates the average monthly humidity levels in Monte 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 Monte Alto is approximately 70%, 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 Monte Alto

In Monte 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 Monte Alto.

Maximum UV Index Levels in Monte Alto for December

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

Data source: Monte 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 Monte Alto Compares to Other Months

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

This table compares monthly weather conditions in Monte Alto, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (80°F)	2 mm (0.1 inches)	65%	very high
February Weather	27°C (81°F)	1 mm (0.0 inches)	61%	extreme
March Weather	28°C (82°F)	0 mm (0.0 inches)	59%	extreme
April Weather	28°C (83°F)	1 mm (0.1 inches)	62%	extreme
May Weather	29°C (84°F)	13 mm (0.5 inches)	73%	extreme
June Weather	28°C (82°F)	237 mm (9.3 inches)	78%	extreme
July Weather	29°C (84°F)	105 mm (4.1 inches)	79%	extreme
August Weather	28°C (83°F)	262 mm (10.3 inches)	82%	extreme
September Weather	27°C (81°F)	303 mm (11.9 inches)	82%	extreme
October Weather	27°C (81°F)	228 mm (9.0 inches)	79%	extreme
November Weather	27°C (81°F)	43 mm (1.7 inches)	72%	very high
December Weather	27°C (80°F)	19 mm (0.8 inches)	70%	very high