January Weather in Alterosa, Brazil

Last updated: August 22, 2025

In January, the average temperature in Alterosa, Brazil is a pleasant 23°C (74°F). Expect minimums dipping to 16°C (61°F) and soaring to a maximum of 33°C (92°F). You'll experience approximately 212 mm (8.4 in) of precipitation across about 17 days, contributing to a high average humidity of 85%. Stay prepared for a tropical feel!

January Temperature in Alterosa

In January in Alterosa, the average temperature is 23°C (74°F). Maximums can reach 33°C (92°F) and minimums can be as low as 16°C (61°F). This makes it a great time to visit and enjoy pleasant weather while exploring the area.

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

The chart illustrates January temperature patterns in Alterosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alterosa, January typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (92°F) and lows dropping to around 16°C (61°F).

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

January Precipitation in Alterosa

In Alterosa in January, the precipitation amount is 212 mm (8.4 in) over the course of 17 days.

January Precipitation Trends in Alterosa

The chart displays monthly precipitation patterns in Alterosa, 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 Alterosa, January typically receives around 212 mm (8.4 inches) of precipitation spread over approximately 17 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 Alterosa

In Alterosa in January humidity is 85%. With an average temperature of 23°C (74°F), this humidity feels like a thick, steamy blanket wrapping around you, making outdoor activities draining and sweaty, and leaving you longing for a cool breeze or a refreshing drink to ease the discomfort while traveling.

January Average Humidity in Alterosa

This chart illustrates the average monthly humidity levels in Alterosa, 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 Alterosa is approximately 85%, 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 Alterosa

In Alterosa 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 Alterosa.

Maximum UV Index Levels in Alterosa for January

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

Data source: Alterosa 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 Alterosa Compares to Other Months

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

This table compares monthly weather conditions in Alterosa, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	212 mm (8.4 inches)	85%	extreme
February Weather	23°C (74°F)	248 mm (9.8 inches)	87%	extreme
March Weather	23°C (74°F)	172 mm (6.8 inches)	87%	extreme
April Weather	21°C (70°F)	61 mm (2.4 inches)	80%	extreme
May Weather	19°C (66°F)	47 mm (1.8 inches)	74%	very high
June Weather	18°C (65°F)	19 mm (0.7 inches)	72%	high
July Weather	17°C (62°F)	7 mm (0.3 inches)	67%	very high
August Weather	19°C (66°F)	25 mm (1.0 inches)	58%	very high
September Weather	22°C (72°F)	39 mm (1.5 inches)	49%	extreme
October Weather	23°C (73°F)	153 mm (6.0 inches)	36%	extreme
November Weather	22°C (72°F)	205 mm (8.1 inches)	65%	extreme
December Weather	23°C (73°F)	270 mm (10.6 inches)	72%	extreme