October Weather in Viana, Brazil

Last updated: August 22, 2025

In October, the average temperature in Viana, Brazil hovers around 23°C (75°F), creating a pleasant climate for outdoor activities. You'll experience a cool minimum of 17°C (63°F) and warm up to a maximum of 32°C (91°F). With an average humidity level of 66%, the air feels comfortable, though you might encounter some moisture. Expect approximately 123 mm (4.8 in) of precipitation spread over 15 days, so a light raincoat might be a good companion during your stay!

October Temperature in Viana

In October in Viana, the average temperature is 23°C (75°F). The maximum can reach 32°C (91°F), and the minimum can be as low as 17°C (63°F). This mild and comfortable climate makes it an ideal time for outdoor activities and exploration.

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

The chart illustrates October 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, October typically has an average temperature of 23°C (75°F), with highs reaching up to 32°C (91°F) and lows dropping to around 17°C (63°F).

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

October Precipitation in Viana

In Viana in October, the precipitation amount is 123 mm (4.8 in), occurring over a span of 15 days.

October Precipitation Trends in Viana

The chart displays monthly precipitation patterns in Viana, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Viana, October typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 15 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Viana

In Viana in October humidity is 66%. With an average temperature of 23°C (75°F), this humidity feels like a warm embrace, wrapping around you as you explore, making it essential to stay hydrated and take breaks in the shade to fully enjoy the sights.

October Average Humidity in Viana

This chart illustrates the average monthly humidity levels in Viana, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Viana is approximately 66%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Viana

In Viana in October, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Viana.

Maximum UV Index Levels in Viana for October

The chart shows the monthly maximum UV Index (UVI) for Viana in October, 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 October, the maximum UV index in Viana typically reaches 13, which falls under the extreme exposure category.

Data source: Viana October 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 October 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 October’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 October’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