December Weather in Januaria, Brazil

Last updated: August 22, 2025

In Januaria, Brazil, the average temperature in December is a warm 26°C (79°F), with a minimum of 18°C (64°F) and a peaks reaching up to 37°C (100°F). During this time, expect 172 mm (6.8 in) of precipitation spread across 16 days, contributing to an average humidity of 51%.

December Temperature in Januaria

In December in Januaria, the average temperature is 26°C (79°F), with maximums reaching 37°C (100°F) and minimums dropping to 18°C (64°F). This climate makes it an ideal time for travelers seeking warm weather and outdoor adventures.

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

The chart illustrates December temperature patterns in Januaria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Januaria, December typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (100°F) and lows dropping to around 18°C (64°F).

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

December Precipitation in Januaria

In Januaria in December, the precipitation amount is 172 mm (6.8 in) over the course of 16 days.

December Precipitation Trends in Januaria

The chart displays monthly precipitation patterns in Januaria, 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 Januaria, December typically receives around 172 mm (6.8 inches) of precipitation spread over approximately 16 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 Januaria

In Januaria in December humidity is 51%. With an average temperature of 26°C (79°F), this humidity feels like a warm embrace, making it pleasantly comfortable for traveling and exploring.

December Average Humidity in Januaria

This chart illustrates the average monthly humidity levels in Januaria, 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 Januaria is approximately 51%, 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 Januaria

In Januaria in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Januaria.

Maximum UV Index Levels in Januaria for December

The chart shows the monthly maximum UV Index (UVI) for Januaria 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 Januaria typically reaches 15, which falls under the extreme exposure category.

Data source: Januaria 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 Januaria Compares to Other Months

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

This table compares monthly weather conditions in Januaria, 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 (81°F)	79 mm (3.1 inches)	75%	extreme
February Weather	26°C (79°F)	155 mm (6.1 inches)	83%	extreme
March Weather	26°C (80°F)	101 mm (4.0 inches)	88%	extreme
April Weather	26°C (79°F)	35 mm (1.4 inches)	81%	extreme
May Weather	25°C (77°F)	10 mm (0.4 inches)	72%	very high
June Weather	24°C (75°F)	1 mm (0.0 inches)	71%	very high
July Weather	23°C (74°F)	1 mm (0.0 inches)	66%	very high
August Weather	25°C (77°F)	1 mm (0.0 inches)	61%	extreme
September Weather	27°C (81°F)	2 mm (0.1 inches)	54%	extreme
October Weather	29°C (84°F)	58 mm (2.3 inches)	46%	extreme
November Weather	26°C (80°F)	146 mm (5.8 inches)	42%	extreme
December Weather	26°C (79°F)	172 mm (6.8 inches)	51%	extreme