December Weather in Monte Alegre, Brazil

Last updated: August 22, 2025

In Monte Alegre, Brazil, the average temperature in December is a warm 27°C (80°F). Expect a minimum of 20°C (68°F) and a maximum of 35°C (95°F), making it an ideal time for outdoor activities. With an average humidity of 70%, you might want to stay hydrated! Additionally, anticipate about 15 mm (0.6 in) of precipitation over 3 days during the month.

December Temperature in Monte Alegre

In December, in Monte Alegre, the average temperature is 27°C (80°F), with maximums reaching up to 35°C (95°F) and minimums dipping as low as 20°C (68°F). This warm climate makes Monte Alegre an ideal destination for travelers seeking enjoyable outdoor activities and sunny adventures.

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

The chart illustrates December temperature patterns in Monte Alegre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monte Alegre, 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 20°C (68°F).

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

December Precipitation in Monte Alegre

In Monte Alegre in December, the precipitation amount is 15 mm (0.6 in) over the course of 3 days.

December Precipitation Trends in Monte Alegre

The chart displays monthly precipitation patterns in Monte Alegre, 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 Alegre, December typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 3 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 Alegre

In Monte Alegre 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 Alegre

This chart illustrates the average monthly humidity levels in Monte Alegre, 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 Alegre 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 Alegre

In Monte Alegre in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Monte Alegre, you can check here.

Maximum UV Index Levels in Monte Alegre for December

The chart shows the monthly maximum UV Index (UVI) for Monte Alegre 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 Alegre typically reaches 14, which falls under the extreme exposure category.

Data source: Monte Alegre 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 Alegre Compares to Other Months

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

This table compares monthly weather conditions in Monte Alegre, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	38 mm (1.5 inches)	86%	extreme
February Weather	26°C (80°F)	96 mm (3.8 inches)	89%	extreme
March Weather	26°C (79°F)	115 mm (4.5 inches)	89%	extreme
April Weather	26°C (78°F)	79 mm (3.1 inches)	89%	extreme
May Weather	25°C (77°F)	61 mm (2.4 inches)	90%	extreme
June Weather	24°C (76°F)	28 mm (1.1 inches)	86%	extreme
July Weather	24°C (75°F)	43 mm (1.7 inches)	80%	extreme
August Weather	24°C (76°F)	5 mm (0.2 inches)	77%	extreme
September Weather	25°C (77°F)	5 mm (0.2 inches)	72%	extreme
October Weather	26°C (79°F)	6 mm (0.2 inches)	68%	extreme
November Weather	27°C (80°F)	7 mm (0.3 inches)	66%	extreme
December Weather	27°C (80°F)	15 mm (0.6 inches)	70%	extreme