January Weather in Viana, Brazil

Last updated: August 22, 2025

In Viana, Brazil, the average temperature in January hovers around 26°C (80°F), offering a pleasant atmosphere for outdoor activities. Expect some warm days, with temperatures ranging from a minimum of 21°C (69°F) to a maximum of 34°C (93°F). While you enjoy the sunshine, be prepared for occasional rainfall, as the area sees an average precipitation of 76 mm (3.0 in) spread over 8 days. With an average humidity of 80%, it’s a perfect time to stay hydrated and embrace the tropical vibe!

January Temperature in Viana

In January in Viana, the average temperature is 26°C (80°F). The maximum can reach 34°C (93°F) and the minimum can be as low as 21°C (69°F). This makes Viana a warm and inviting destination, perfect for travelers looking to enjoy pleasant weather and outdoor activities.

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 26°C (80°F), with highs reaching up to 34°C (93°F) and lows dropping to around 21°C (69°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 76 mm (3.0 in) spread over a duration of 8 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 76 mm (3.0 inches) of precipitation spread over approximately 8 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 80%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket, making it quite uncomfortable for traveling. The thick, heavy air can leave you feeling sticky and fatigued, making outdoor activities more challenging and necessitating frequent breaks for hydration and cooling down.

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 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 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	26°C (80°F)	76 mm (3.0 inches)	80%	extreme
February Weather	26°C (79°F)	176 mm (6.9 inches)	85%	extreme
March Weather	26°C (79°F)	131 mm (5.2 inches)	86%	extreme
April Weather	24°C (76°F)	120 mm (4.7 inches)	85%	extreme
May Weather	22°C (73°F)	76 mm (3.0 inches)	82%	very high
June Weather	22°C (72°F)	44 mm (1.7 inches)	81%	high
July Weather	21°C (69°F)	31 mm (1.2 inches)	79%	very high
August Weather	21°C (70°F)	57 mm (2.2 inches)	75%	very high
September Weather	23°C (73°F)	65 mm (2.6 inches)	72%	extreme
October Weather	23°C (75°F)	123 mm (4.8 inches)	66%	extreme
November Weather	24°C (75°F)	185 mm (7.3 inches)	69%	extreme
December Weather	25°C (77°F)	188 mm (7.4 inches)	72%	extreme