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August Weather in Sao Mateus, Brazil

Last updated: August 22, 2025

The average temperature in Sao Mateus, Brazil during August is a pleasant 22°C (73°F). Temperatures can vary, with a minimum of 18°C (65°F) and a maximum of 27°C (81°F). Be prepared for some rain, as precipitation amounts reach 64 mm (2.5 in) over the course of 16 days. With an average humidity of 77%, expect a warm and somewhat muggy atmosphere!

August Temperature in Sao Mateus

In August in Sao Mateus, the average temperature is 22°C (73°F). Maximums can reach 27°C (81°F), while minimums can drop to as low as 18°C (65°F). This comfortable climate makes Sao Mateus an ideal destination for travelers looking to enjoy mild weather.

August Weather in Sao Mateus: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Sao Mateus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Mateus, August typically has an average temperature of 22°C (73°F), with highs reaching up to 27°C (81°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979787674727274767778
Data source: Temperature data for Sao Mateus 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 Mateus

In Sao Mateus in August, the precipitation amount is 64 mm (2.5 in) spread over 16 days.

August Precipitation Trends in Sao Mateus

The chart displays monthly precipitation patterns in Sao Mateus, 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 Mateus, August typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec74115112998153486460135180246
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Sao Mateus

In Sao Mateus in August, humidity is 77%. With an average temperature of 22°C (73°F), this humidity feels like a warm, sticky embrace, making travel a bit uncomfortable but manageable as you explore the sights while seeking shade and refreshing drinks.

August Average Humidity in Sao Mateus

This chart illustrates the average monthly humidity levels in Sao Mateus, 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 Mateus is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%82%82%81%79%76%77%77%78%78%80%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sao Mateus

In Sao Mateus 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 Sao Mateus.

Maximum UV Index Levels in Sao Mateus for August

The chart shows the monthly maximum UV Index (UVI) for Sao Mateus 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 Mateus typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151513129781012141515
Data source: Sao Mateus 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 Mateus Compares to Other Months

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

This table compares monthly weather conditions in Sao Mateus, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)74 mm (2.9 inches)81%extreme
February Weather26°C (80°F)115 mm (4.5 inches)82%extreme
March Weather26°C (80°F)112 mm (4.4 inches)82%extreme
April Weather25°C (78°F)99 mm (3.9 inches)81%extreme
May Weather24°C (76°F)81 mm (3.2 inches)79%very high
June Weather23°C (74°F)53 mm (2.1 inches)76%high
July Weather22°C (73°F)48 mm (1.9 inches)77%very high
August Weather22°C (73°F)64 mm (2.5 inches)77%very high
September Weather24°C (75°F)60 mm (2.4 inches)77%extreme
October Weather25°C (77°F)135 mm (5.3 inches)78%extreme
November Weather25°C (77°F)179 mm (7.1 inches)80%extreme
December Weather26°C (78°F)246 mm (9.7 inches)80%extreme

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