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August Weather in Sao Joao de Meriti, Brazil

Last updated: August 22, 2025

In August, the average temperature in Sao Joao de Meriti, Brazil is a pleasant 20°C (69°F). Expect a minimum of 10°C (50°F) and a maximum of 34°C (94°F) during your stay. With an average humidity of 73% and precipitation of 69 mm (2.7 in) over 10 days, it's a good idea to pack accordingly for the occasional shower!

August Temperature in Sao Joao de Meriti

In August in Sao Joao de Meriti, the average temperature is 20°C (69°F), with maximums reaching up to 34°C (94°F) and minimums dropping as low as 10°C (50°F). It's a great time for travelers to enjoy mild weather while packing for both warm and cooler moments.

August Weather in Sao Joao de Meriti: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Sao Joao de Meriti, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Joao de Meriti, August typically has an average temperature of 20°C (69°F), with highs reaching up to 34°C (94°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec817979757170686973757477
Data source: Temperature data for Sao Joao de Meriti 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 Sao Joao de Meriti

In Sao Joao de Meriti in August, the precipitation amount is 69 mm (2.7 in) spread over a period of 10 days.

August Precipitation Trends in Sao Joao de Meriti

The chart displays monthly precipitation patterns in Sao Joao de Meriti, 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 Sao Joao de Meriti, August typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1792422071037145356967129210234
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Sao Joao de Meriti

In Sao Joao de Meriti in August humidity is 73%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making travel slightly sticky but ultimately comfortable as long as you stay hydrated and take breaks in the shade.

August Average Humidity in Sao Joao de Meriti

This chart illustrates the average monthly humidity levels in Sao Joao de Meriti, 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 Sao Joao de Meriti 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 Sao Joao de Meriti

In Sao Joao de Meriti in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sao Joao de Meriti.

Maximum UV Index Levels in Sao Joao de Meriti for August

The chart shows the monthly maximum UV Index (UVI) for Sao Joao de Meriti 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 Sao Joao de Meriti typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141310767911121315
Data source: Sao Joao de Meriti 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 Sao Joao de Meriti Compares to Other Months

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

This table compares monthly weather conditions in Sao Joao de Meriti, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)179 mm (7.1 inches)85%extreme
February Weather26°C (79°F)242 mm (9.5 inches)85%extreme
March Weather26°C (79°F)207 mm (8.1 inches)86%extreme
April Weather24°C (75°F)103 mm (4.0 inches)83%very high
May Weather22°C (71°F)71 mm (2.8 inches)81%high
June Weather21°C (71°F)45 mm (1.8 inches)80%high
July Weather20°C (68°F)35 mm (1.4 inches)76%high
August Weather20°C (69°F)69 mm (2.7 inches)73%very high
September Weather23°C (74°F)67 mm (2.6 inches)68%extreme
October Weather24°C (75°F)129 mm (5.1 inches)61%extreme
November Weather24°C (75°F)210 mm (8.3 inches)72%extreme
December Weather25°C (78°F)234 mm (9.2 inches)75%extreme

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