January Weather in Brazil, United States

Last updated: June 24, 2025

In Brazil, United States, the average temperature in January hovers around -1°C (31°F). However, temperatures can fluctuate dramatically, dipping as low as -25°C (-13°F) and peaking at 18°C (65°F). Expect approximately 85 mm (3.4 in) of precipitation spread over 9 days, accompanied by a high average humidity of 87%.

January Temperature in Brazil

In January in Brazil, the average temperature is -1°C (31°F), with a maximum that can reach 18°C (65°F) and a minimum that can drop as low as -25°C (-13°F). Travelers should be prepared for a wide range of temperatures, from chilly cold to mild warmth, so layering clothing is advisable.

January Weather in Brazil: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Brazil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brazil, January typically has an average temperature of -1°C (31°F), with highs reaching up to 18°C (65°F) and lows dropping to around -25°C (-13°F).

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

January Precipitation in Brazil

In Brazil in January, the total precipitation amount is 85 mm (3.4 in) recorded over a span of 9 days.

January Precipitation Trends in Brazil

The chart displays monthly precipitation patterns in Brazil, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Brazil, January typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Brazil

In Brazil in January humidity is 87%. With an average temperature of -1°C (31°F), this humidity feels like a biting chill that seeps through your clothes, making traveling incredibly uncomfortable as it adds a layer of dampness to the already cold air, leaving you shivering and wishing for warmth.

January Average Humidity in Brazil

This chart illustrates the average monthly humidity levels in Brazil, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Brazil is approximately 87%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Brazil

In Brazil in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Brazil, you can check the information here.

Maximum UV Index Levels in Brazil for January

The chart shows the monthly maximum UV Index (UVI) for Brazil in January, 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 January, the maximum UV index in Brazil typically reaches 3, which falls under the moderate exposure category.

Data source: Brazil January 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 January Weather in Brazil Compares to Other Months

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

This table compares monthly weather conditions in Brazil, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	85 mm (3.4 inches)	87%	moderate
February Weather	1°C (34°F)	98 mm (3.9 inches)	85%	moderate
March Weather	6°C (44°F)	130 mm (5.1 inches)	86%	high
April Weather	12°C (53°F)	105 mm (4.1 inches)	84%	very high
May Weather	18°C (66°F)	134 mm (5.3 inches)	79%	very high
June Weather	23°C (75°F)	115 mm (4.5 inches)	82%	extreme
July Weather	25°C (78°F)	106 mm (4.2 inches)	79%	very high
August Weather	24°C (75°F)	108 mm (4.3 inches)	70%	very high
September Weather	21°C (71°F)	68 mm (2.7 inches)	69%	very high
October Weather	15°C (58°F)	112 mm (4.4 inches)	76%	high
November Weather	6°C (42°F)	97 mm (3.8 inches)	88%	moderate
December Weather	3°C (37°F)	90 mm (3.5 inches)	87%	moderate