January Weather in Barro Alto, Brazil

Last updated: August 22, 2025

In Barro Alto, Brazil, the average temperature in January hovers around 25°C (78°F), providing a comfortable climate for outdoor activities. However, be prepared for temperatures that can dip to a minimum of 19°C (66°F) and soar to a maximum of 36°C (96°F). It's important to note that rainfall is a regular visitor, with an average precipitation of 142 mm (5.6 in) spread over 15 days. Additionally, expect high humidity levels averaging at 86%, adding to the tropical feel of the month.

January Temperature in Barro Alto

In January in Barro Alto, the average temperature is 25°C (78°F), with maximums reaching 36°C (96°F) and minimums dropping to as low as 19°C (66°F). This climate makes Barro Alto an ideal destination for travelers seeking warm and pleasant weather.

January Weather in Barro Alto: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Barro Alto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barro Alto, January typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (96°F) and lows dropping to around 19°C (66°F).

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

January Precipitation in Barro Alto

In Barro Alto in January, the total precipitation amount is 142 mm (5.6 in) spread over a period of 15 days.

January Precipitation Trends in Barro Alto

The chart displays monthly precipitation patterns in Barro Alto, 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 Barro Alto, January typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 15 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 Barro Alto

In Barro Alto in January, humidity is 86%. With an average temperature of 25°C (78°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities challenging and potentially uncomfortable for traveling.

January Average Humidity in Barro Alto

This chart illustrates the average monthly humidity levels in Barro Alto, 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 Barro Alto is approximately 86%, 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 Barro Alto

In Barro Alto in January, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Barro Alto.

Maximum UV Index Levels in Barro Alto for January

The chart shows the monthly maximum UV Index (UVI) for Barro Alto 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 Barro Alto typically reaches 16, which falls under the extreme exposure category.

Data source: Barro Alto 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 Barro Alto Compares to Other Months

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

This table compares monthly weather conditions in Barro Alto, 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)	142 mm (5.6 inches)	86%	extreme
February Weather	24°C (76°F)	254 mm (10.0 inches)	89%	extreme
March Weather	25°C (77°F)	164 mm (6.5 inches)	90%	extreme
April Weather	25°C (77°F)	82 mm (3.2 inches)	82%	extreme
May Weather	24°C (76°F)	9 mm (0.4 inches)	65%	extreme
June Weather	23°C (74°F)	1 mm (0.0 inches)	59%	very high
July Weather	23°C (73°F)	0 mm (0.0 inches)	53%	very high
August Weather	25°C (78°F)	1 mm (0.1 inches)	44%	extreme
September Weather	28°C (82°F)	5 mm (0.2 inches)	34%	extreme
October Weather	27°C (82°F)	93 mm (3.7 inches)	26%	extreme
November Weather	25°C (77°F)	199 mm (7.8 inches)	50%	extreme
December Weather	25°C (77°F)	250 mm (9.9 inches)	70%	extreme