July Weather in Viana, Brazil

Last updated: August 22, 2025

In Viana, Brazil, the average temperature for July hovers around 21°C (69°F), offering a delightful climate for exploration. Expect a minimum of 14°C (57°F) and a pleasant maximum of 31°C (88°F). During this month, precipitation averages 31 mm (1.2 in) spread over 8 days, complementing the average humidity level of 79%. Perfect conditions await!

July Temperature in Viana

In July in Viana, the average temperature is 21°C (69°F), with maximums reaching up to 31°C (88°F) and minimums dropping to a cool 14°C (57°F). This mild climate makes it an ideal time for traveling, allowing for comfortable outdoor activities and exploration.

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

The chart illustrates July 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, July typically has an average temperature of 21°C (69°F), with highs reaching up to 31°C (88°F) and lows dropping to around 14°C (57°F).

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

July Precipitation in Viana

In Viana in July, the precipitation amount is 31 mm (1.2 in) over the course of 8 days.

July Precipitation Trends in Viana

The chart displays monthly precipitation patterns in Viana, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Viana, July typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in Viana

In Viana in July, humidity is 79%. With an average temperature of 21°C (69°F), this humidity feels like a warm embrace, making it ideal for leisurely explorations yet challenging for those unaccustomed to the mugginess while traveling.

July Average Humidity in Viana

This chart illustrates the average monthly humidity levels in Viana, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Viana is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Viana

In Viana in July, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Viana.

Maximum UV Index Levels in Viana for July

The chart shows the monthly maximum UV Index (UVI) for Viana in July, 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 July, the maximum UV index in Viana typically reaches 8, which falls under the very high exposure category.

Data source: Viana July 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 July 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 July’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 July’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