January Weather in Vianopolis, Brazil

Last updated: August 22, 2025

In January, the average temperature in Vianopolis, Brazil hovers around 23°C (74°F). Expect a comfortable range, with minimum temperatures dipping to 17°C (63°F) and soaring up to 33°C (91°F). However, be prepared for some rain, as 146 mm (5.8 in) of precipitation can fall over approximately 15 days of the month. The air will feel quite humid, with an average humidity of 85% making for a tropical atmosphere.

January Temperature in Vianopolis

In January in Vianopolis, the weather is pleasantly warm with an average temperature of 23°C (74°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop to a cooler 17°C (63°F). This makes it an ideal time for travel, allowing you to enjoy outdoor activities comfortably.

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

The chart illustrates January temperature patterns in Vianopolis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vianopolis, January typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (91°F) and lows dropping to around 17°C (63°F).

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

January Precipitation in Vianopolis

In Vianopolis in January, the precipitation amount is 146 mm (5.8 in) spread over 15 days, indicating a relatively wet period during that time.

January Precipitation Trends in Vianopolis

The chart displays monthly precipitation patterns in Vianopolis, 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 Vianopolis, January typically receives around 146 mm (5.8 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 Vianopolis

In Vianopolis 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 Vianopolis

This chart illustrates the average monthly humidity levels in Vianopolis, 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 Vianopolis 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 Vianopolis

In Vianopolis 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 Vianopolis.

Maximum UV Index Levels in Vianopolis for January

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

Data source: Vianopolis 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 Vianopolis Compares to Other Months

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

This table compares monthly weather conditions in Vianopolis, 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)	146 mm (5.8 inches)	85%	extreme
February Weather	23°C (74°F)	255 mm (10.0 inches)	89%	extreme
March Weather	23°C (74°F)	178 mm (7.0 inches)	89%	extreme
April Weather	23°C (73°F)	98 mm (3.9 inches)	80%	extreme
May Weather	21°C (70°F)	22 mm (0.9 inches)	67%	very high
June Weather	21°C (69°F)	1 mm (0.0 inches)	62%	very high
July Weather	20°C (68°F)	0 mm (0.0 inches)	56%	very high
August Weather	22°C (73°F)	2 mm (0.1 inches)	47%	extreme
September Weather	25°C (77°F)	14 mm (0.5 inches)	36%	extreme
October Weather	25°C (77°F)	119 mm (4.7 inches)	28%	extreme
November Weather	23°C (74°F)	220 mm (8.6 inches)	58%	extreme
December Weather	23°C (74°F)	233 mm (9.2 inches)	76%	extreme