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August Weather in Tres Rios, Brazil

Last updated: August 22, 2025

In August, the average temperature in Tres Rios, Brazil is a pleasant 18°C (66°F). You'll experience a minimum of 5°C (41°F) and a maximum of 32°C (90°F), providing a comfortable range for outdoor activities. Expect to witness some precipitation too, with an average of 37 mm (1.4 in) over 6 days, while the average humidity sits at a cozy 73%. Whether you're exploring or relaxing, this month offers a delightful climate!

August Temperature in Tres Rios

In August in Tres Rios, the average temperature is 18°C (66°F). The maximum can reach 32°C (90°F), while the minimum can drop as low as 5°C (41°F). This makes Tres Rios an ideal destination for travelers seeking a pleasant and varied climate during this time.

August Weather in Tres Rios: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Tres Rios, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tres Rios, August typically has an average temperature of 18°C (66°F), with highs reaching up to 32°C (90°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec767575716766646571727274
Data source: Temperature data for Tres Rios generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Tres Rios

In Tres Rios in August, the precipitation amount is 37 mm (1.4 in) over a span of 6 days.

August Precipitation Trends in Tres Rios

The chart displays monthly precipitation patterns in Tres Rios, 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 Tres Rios, August typically receives around 37 mm (1.4 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec120211143483619113745107204202
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Tres Rios

In Tres Rios in August, humidity is 73%. With an average temperature of 18°C (66°F), this humidity feels like a warm and sticky embrace, making travel somewhat uncomfortable as the air feels heavy, and you may find yourself longing for a refreshing breeze.

August Average Humidity in Tres Rios

This chart illustrates the average monthly humidity levels in Tres Rios, 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 Tres Rios is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%83%81%80%76%73%68%61%72%75%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Tres Rios

In Tres Rios in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Tres Rios.

Maximum UV Index Levels in Tres Rios for August

The chart shows the monthly maximum UV Index (UVI) for Tres Rios 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 Tres Rios typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161513118681012131415
Data source: Tres Rios 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 Tres Rios Compares to Other Months

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

This table compares monthly weather conditions in Tres Rios, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)120 mm (4.7 inches)85%extreme
February Weather24°C (75°F)211 mm (8.3 inches)85%extreme
March Weather24°C (75°F)143 mm (5.6 inches)86%extreme
April Weather22°C (72°F)48 mm (1.9 inches)83%extreme
May Weather20°C (68°F)36 mm (1.4 inches)81%very high
June Weather19°C (67°F)19 mm (0.7 inches)80%high
July Weather18°C (64°F)11 mm (0.4 inches)76%very high
August Weather18°C (66°F)37 mm (1.4 inches)73%very high
September Weather22°C (71°F)45 mm (1.8 inches)68%extreme
October Weather22°C (72°F)107 mm (4.2 inches)61%extreme
November Weather22°C (72°F)203 mm (8.0 inches)72%extreme
December Weather23°C (74°F)202 mm (7.9 inches)75%extreme

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