December Weather in Monte Alto, Brazil

Last updated: August 22, 2025

In December, the average temperature in Monte Alto, Brazil hovers around 25°C (77°F). Expect a range from a cool 16°C (61°F) to a sweltering 35°C (95°F), making it essential to prepare for varying conditions. With an average precipitation of 180 mm (7.1 in) over 19 days, you'll likely encounter some wet weather. Additionally, the average humidity sits at a balmy 80%, adding to the tropical feel of the region.

December Temperature in Monte Alto

In December in Monte Alto, the average temperature is 25°C (77°F). The maximum can reach 35°C (95°F), while the minimum can drop as low as 16°C (61°F). This makes it an ideal time for travelers seeking warm weather and comfortable conditions for 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 25°C (77°F), with highs reaching up to 35°C (95°F) and lows dropping to around 16°C (61°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 amounts to 180 mm (7.1 in) over a span of 19 days.

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 180 mm (7.1 inches) of precipitation spread over approximately 19 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 80%. With an average temperature of 25°C (77°F), this humidity feels like traveling through a warm, tropical rainforest where the air is thick and steamy, making even the simplest stroll feel like a workout.

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 80%, 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 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For 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 16, which falls under the extreme 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	25°C (77°F)	173 mm (6.8 inches)	85%	extreme
February Weather	25°C (77°F)	146 mm (5.8 inches)	87%	extreme
March Weather	25°C (77°F)	102 mm (4.0 inches)	86%	extreme
April Weather	24°C (75°F)	56 mm (2.2 inches)	79%	extreme
May Weather	21°C (70°F)	29 mm (1.1 inches)	68%	very high
June Weather	21°C (70°F)	8 mm (0.3 inches)	60%	high
July Weather	20°C (68°F)	12 mm (0.5 inches)	57%	very high
August Weather	22°C (71°F)	21 mm (0.8 inches)	48%	very high
September Weather	26°C (78°F)	26 mm (1.0 inches)	41%	extreme
October Weather	25°C (78°F)	108 mm (4.3 inches)	35%	extreme
November Weather	25°C (77°F)	159 mm (6.3 inches)	65%	extreme
December Weather	25°C (77°F)	180 mm (7.1 inches)	80%	extreme