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October Weather in Sao Mateus, Brazil

Last updated: August 22, 2025

In October, the average temperature in Sao Mateus, Brazil hovers around 25°C (77°F), making it a pleasant time to visit. Expect minimum temperatures to dip to 21°C (70°F) and maximums reaching 29°C (84°F). However, be prepared for some rain, as 135 mm (5.3 in) of precipitation can fall over 18 days. The atmosphere tends to be quite humid, with an average of 78% humidity, adding to the tropical feel!

October Temperature in Sao Mateus

In October in Sao Mateus, the average temperature is 25°C (77°F). Maximum temperatures can reach 29°C (84°F), and the minimum can drop to as low as 21°C (70°F). This mild and comfortable climate makes Sao Mateus an ideal destination for travelers looking to enjoy pleasant weather and outdoor activities.

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

The chart illustrates October 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, October typically has an average temperature of 25°C (77°F), with highs reaching up to 29°C (84°F) and lows dropping to around 21°C (70°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.

October Precipitation in Sao Mateus

In Sao Mateus in October, the total precipitation amount is 135 mm (5.3 in) spread over 18 days.

October Precipitation Trends in Sao Mateus

The chart displays monthly precipitation patterns in Sao Mateus, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Sao Mateus, October typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec74115112998153486460135180246
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Sao Mateus

In Sao Mateus in October, humidity is 78%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, damp blanket, making travel feel a bit more exhausting and sticky as you navigate the sights.

October Average Humidity in Sao Mateus

This chart illustrates the average monthly humidity levels in Sao Mateus, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Sao Mateus is approximately 78%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Sao Mateus

In Sao Mateus in October, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Sao Mateus, you can check here.

Maximum UV Index Levels in Sao Mateus for October

The chart shows the monthly maximum UV Index (UVI) for Sao Mateus in October, 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 October, the maximum UV index in Sao Mateus typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151513129781012141515
Data source: Sao Mateus October 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 October 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 October’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 October’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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