May Weather in Viana, Brazil

Last updated: August 22, 2025

In May, the average temperature in Viana, Brazil is a warm 28°C (82°F), with minimums dipping to 23°C (74°F) and maximums soaring to 34°C (93°F). Expect some rain, as the area sees an average precipitation amount of 185 mm (7.3 in) spread over 23 days, accompanied by a high average humidity of 91%.

May Temperature in Viana

In May in Viana, the average temperature is 28°C (82°F). Maximums can reach 34°C (93°F), while minimums can dip to as low as 23°C (74°F). This warm climate makes Viana an ideal destination for travelers seeking sunny weather and outdoor adventures.

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

The chart illustrates May 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, May typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (93°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.

May Precipitation in Viana

In Viana in May, the precipitation amount is 185 mm (7.3 in) spread over 23 days.

May Precipitation Trends in Viana

The chart displays monthly precipitation patterns in Viana, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Viana, May typically receives around 185 mm (7.3 inches) of precipitation spread over approximately 23 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Viana

In Viana in May humidity is 91%. With an average temperature of 28°C (82°F), this humidity feels like a thick blanket wrapping around you, making each step feel heavy and every breath slightly more laborious, which can be quite challenging for traveling.

May Average Humidity in Viana

This chart illustrates the average monthly humidity levels in Viana, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Viana is approximately 91%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Viana

In Viana in May, 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 May

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

Data source: Viana May 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 May 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 May’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 May’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