August Weather in Rio Grande, Brazil

Last updated: August 22, 2025

In August, the average temperature in Rio Grande, Brazil hovers around 14°C (58°F), with lows dipping to 8°C (46°F) and highs reaching 23°C (73°F). Expect an average of 100 mm (3.9 in) of precipitation over 9 days, accompanied by a comfortable humidity level of 80%.

August Temperature in Rio Grande

In August in Rio Grande, the average temperature is 14°C (58°F). Maximum temperatures can reach 23°C (73°F), while minimums can drop to as low as 8°C (46°F). This mild climate makes Rio Grande an ideal destination for travelers seeking pleasant weather and outdoor activities.

August Weather in Rio Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Rio Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Grande, August typically has an average temperature of 14°C (58°F), with highs reaching up to 23°C (73°F) and lows dropping to around 8°C (46°F).

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

August Precipitation in Rio Grande

In Rio Grande in August, the precipitation amount is 100 mm (3.9 in) spread over 9 days.

August Precipitation Trends in Rio Grande

The chart displays monthly precipitation patterns in Rio Grande, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Rio Grande, August typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Rio Grande

In Rio Grande in August humidity is 80%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities sweltering and uncomfortable for travel.

August Average Humidity in Rio Grande

This chart illustrates the average monthly humidity levels in Rio Grande, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Rio Grande is approximately 80%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Rio Grande

In Rio Grande in August, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Rio Grande, you can refer to this Hourly UV Index in Rio Grande.

Maximum UV Index Levels in Rio Grande for August

The chart shows the monthly maximum UV Index (UVI) for Rio Grande in August, 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 August, the maximum UV index in Rio Grande typically reaches 6, which falls under the high exposure category.

Data source: Rio Grande August 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 August Weather in Rio Grande Compares to Other Months

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

This table compares monthly weather conditions in Rio Grande, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	85 mm (3.3 inches)	79%	extreme
February Weather	24°C (75°F)	75 mm (2.9 inches)	81%	extreme
March Weather	23°C (73°F)	87 mm (3.4 inches)	81%	extreme
April Weather	21°C (70°F)	65 mm (2.6 inches)	80%	very high
May Weather	18°C (64°F)	97 mm (3.8 inches)	82%	moderate
June Weather	15°C (60°F)	99 mm (3.9 inches)	81%	moderate
July Weather	14°C (57°F)	111 mm (4.4 inches)	78%	moderate
August Weather	14°C (58°F)	100 mm (3.9 inches)	80%	high
September Weather	16°C (61°F)	144 mm (5.7 inches)	84%	very high
October Weather	18°C (65°F)	131 mm (5.2 inches)	84%	extreme
November Weather	20°C (68°F)	78 mm (3.1 inches)	82%	extreme
December Weather	22°C (71°F)	77 mm (3.0 inches)	82%	extreme