January Weather in Viana, Brazil

Last updated: August 22, 2025

In Viana, Brazil, the average temperature in January is a warm 27°C (81°F). Expect a minimum of 23°C (74°F) and a potential maximum of 34°C (94°F). Be prepared for some rain, as the area receives an average of 201 mm (7.9 in) of precipitation spread over 24 days. With an average humidity of 92%, you’ll want to stay hydrated during your stay!

January Temperature in Viana

In January in Viana, the average temperature is 27°C (81°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop to as low as 23°C (74°F). This mild climate makes Viana an ideal destination for travelers seeking a warm getaway.

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

The chart illustrates January temperature patterns in Viana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Viana, January typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (94°F) and lows dropping to around 23°C (74°F).

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

January Precipitation in Viana

In Viana in January, the precipitation amount is 201 mm (7.9 in) spread over 24 days.

January Precipitation Trends in Viana

The chart displays monthly precipitation patterns in Viana, 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 Viana, January typically receives around 201 mm (7.9 inches) of precipitation spread over approximately 24 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 Viana

In Viana in January, humidity is 92%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, thick blanket, making travel exhausting and sticky, as the air is laden with moisture that clings to your skin and makes even short excursions feel like a workout.

January Average Humidity in Viana

This chart illustrates the average monthly humidity levels in Viana, 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 Viana is approximately 92%, 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 Viana

In Viana in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Viana.

Maximum UV Index Levels in Viana for January

The chart shows the monthly maximum UV Index (UVI) for Viana 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 Viana typically reaches 15, which falls under the extreme exposure category.

Data source: Viana 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 Viana Compares to Other Months

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

This table compares monthly weather conditions in Viana, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	201 mm (7.9 inches)	92%	extreme
February Weather	27°C (81°F)	336 mm (13.2 inches)	90%	extreme
March Weather	27°C (81°F)	421 mm (16.6 inches)	88%	extreme
April Weather	27°C (81°F)	402 mm (15.8 inches)	93%	extreme
May Weather	28°C (82°F)	185 mm (7.3 inches)	91%	extreme
June Weather	28°C (82°F)	72 mm (2.9 inches)	84%	extreme
July Weather	27°C (82°F)	49 mm (1.9 inches)	74%	extreme
August Weather	28°C (83°F)	19 mm (0.7 inches)	61%	extreme
September Weather	29°C (84°F)	17 mm (0.7 inches)	55%	extreme
October Weather	29°C (84°F)	30 mm (1.2 inches)	56%	extreme
November Weather	29°C (84°F)	68 mm (2.7 inches)	61%	extreme
December Weather	28°C (83°F)	117 mm (4.6 inches)	82%	extreme