January Weather in Portao, Brazil

Last updated: August 22, 2025

In January, the average temperature in Portao, Brazil is a warm 25°C (78°F). Expect minimums dipping to 13°C (56°F) and maximums soaring up to 38°C (101°F). Throughout the month, you'll experience about 123 mm (4.8 in) of precipitation spread over 13 days, contributing to an average humidity of 80%.

January Temperature in Portao

In January in Portao, the average temperature is 25°C (78°F). Maximums can reach 38°C (101°F), while minimums can drop to as low as 13°C (56°F). This climate makes it an ideal time for travelers looking to enjoy warm weather and explore the local attractions.

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

The chart illustrates January temperature patterns in Portao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portao, January typically has an average temperature of 25°C (78°F), with highs reaching up to 38°C (101°F) and lows dropping to around 13°C (56°F).

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

January Precipitation in Portao

In Portao in January, the precipitation amount is 123 mm (4.8 in) over the course of 13 days.

January Precipitation Trends in Portao

The chart displays monthly precipitation patterns in Portao, 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 Portao, January typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Portao

In Portao in January, humidity is 80%. With an average temperature of 25°C (78°F), this humidity feels like a warm blanket enveloping you, making every outdoor activity feel more strenuous and steaming, while also causing you to seek out shade and refreshment more frequently.

January Average Humidity in Portao

This chart illustrates the average monthly humidity levels in Portao, 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 Portao is approximately 80%, 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 Portao

In Portao in January, 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 Portao, you can check here.

Maximum UV Index Levels in Portao for January

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

Data source: Portao 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 Portao Compares to Other Months

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

This table compares monthly weather conditions in Portao, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	123 mm (4.8 inches)	80%	extreme
February Weather	24°C (76°F)	116 mm (4.6 inches)	77%	extreme
March Weather	23°C (73°F)	115 mm (4.5 inches)	79%	extreme
April Weather	21°C (69°F)	79 mm (3.1 inches)	83%	very high
May Weather	17°C (63°F)	160 mm (6.3 inches)	88%	high
June Weather	15°C (60°F)	123 mm (4.8 inches)	86%	moderate
July Weather	14°C (58°F)	128 mm (5.0 inches)	82%	moderate
August Weather	16°C (60°F)	78 mm (3.1 inches)	77%	high
September Weather	18°C (65°F)	173 mm (6.8 inches)	80%	very high
October Weather	20°C (68°F)	158 mm (6.2 inches)	84%	extreme
November Weather	21°C (71°F)	129 mm (5.1 inches)	83%	extreme
December Weather	24°C (75°F)	91 mm (3.6 inches)	87%	extreme