December Weather in Alegrete, Brazil

Last updated: August 22, 2025

In Alegrete, Brazil, the average temperature in December hovers around 25°C (77°F). Expect a comfortable range where the minimum can dip to 10°C (50°F) and the maximum may soar up to 39°C (103°F). During this period, enjoy an average rainfall of 90 mm (3.5 in) spread over 6 days, with humidity levels reaching around 81%.

December Temperature in Alegrete

In December in Alegrete, the average temperature is 25°C (77°F). Maximums can reach 39°C (103°F), and minimums can be as low as 10°C (50°F). This variability in temperatures makes it essential to pack for both warm days and cooler nights while traveling.

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

The chart illustrates December temperature patterns in Alegrete, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alegrete, December typically has an average temperature of 25°C (77°F), with highs reaching up to 39°C (103°F) and lows dropping to around 10°C (50°F).

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

December Precipitation in Alegrete

In Alegrete in December, the total precipitation amount reaches 90 mm (3.5 in) over the course of 6 days.

December Precipitation Trends in Alegrete

The chart displays monthly precipitation patterns in Alegrete, 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 Alegrete, December typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 6 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 Alegrete

In Alegrete in December, humidity is 81%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, thick blanket, making traveling quite challenging as you may feel sticky and sluggish, requiring frequent breaks to stay refreshed and hydrated.

December Average Humidity in Alegrete

This chart illustrates the average monthly humidity levels in Alegrete, 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 Alegrete is approximately 81%, 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 Alegrete

In Alegrete 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 Alegrete, you can check here.

Maximum UV Index Levels in Alegrete for December

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

Data source: Alegrete 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 Alegrete Compares to Other Months

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

This table compares monthly weather conditions in Alegrete, 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 (79°F)	158 mm (6.2 inches)	70%	extreme
February Weather	25°C (77°F)	76 mm (3.0 inches)	66%	extreme
March Weather	23°C (74°F)	110 mm (4.3 inches)	73%	extreme
April Weather	21°C (70°F)	94 mm (3.7 inches)	81%	very high
May Weather	17°C (62°F)	160 mm (6.3 inches)	82%	high
June Weather	15°C (59°F)	100 mm (3.9 inches)	77%	moderate
July Weather	14°C (57°F)	74 mm (2.9 inches)	69%	moderate
August Weather	15°C (60°F)	93 mm (3.7 inches)	51%	high
September Weather	18°C (65°F)	155 mm (6.1 inches)	59%	very high
October Weather	20°C (68°F)	144 mm (5.7 inches)	63%	extreme
November Weather	23°C (73°F)	118 mm (4.7 inches)	66%	extreme
December Weather	25°C (77°F)	90 mm (3.5 inches)	81%	extreme