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October Weather in Tres Rios, Brazil

Last updated: August 22, 2025

In October, the average temperature in Tres Rios, Brazil is a pleasant 22°C (72°F). However, temperatures can vary significantly, dipping as low as 12°C (53°F) and soaring up to 35°C (96°F). During this month, anticipate an average precipitation of 107 mm (4.2 in) spread across 16 days, contributing to an overall average humidity level of 61%.

October Temperature in Tres Rios

In October in Tres Rios, the average temperature is 22°C (72°F). Maximums can reach 35°C (96°F), while minimums may drop to as low as 12°C (53°F). This makes Tres Rios an ideal destination for travelers seeking pleasant weather and comfortable conditions for outdoor activities.

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

The chart illustrates October 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, October typically has an average temperature of 22°C (72°F), with highs reaching up to 35°C (96°F) and lows dropping to around 12°C (53°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.

October Precipitation in Tres Rios

In Tres Rios in October, the precipitation amount reaches 107 mm (4.2 in) during a span of 16 days.

October Precipitation Trends in Tres Rios

The chart displays monthly precipitation patterns in Tres Rios, 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 Tres Rios, October typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec120211143483619113745107204202
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Tres Rios

In Tres Rios in October, humidity is 61%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls but slightly oppressive for active exploration.

October Average Humidity in Tres Rios

This chart illustrates the average monthly humidity levels in Tres Rios, 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 Tres Rios is approximately 61%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Tres Rios

In Tres Rios in October, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Tres Rios.

Maximum UV Index Levels in Tres Rios for October

The chart shows the monthly maximum UV Index (UVI) for Tres Rios 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 Tres Rios typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161513118681012131415
Data source: Tres Rios 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 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 October’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 October’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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