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October Weather in Rio Branco, Brazil

Last updated: August 22, 2025

In Rio Branco, Brazil, the average temperature in October hovers around 27°C (81°F), with a minimum of 19°C (66°F) and a maximum reaching 37°C (99°F). Expect 125 mm (4.9 in) of precipitation spread over 17 days, and enjoy the comfortable climate with an average humidity of 44%.

October Temperature in Rio Branco

In October in Rio Branco, the average temperature is 27°C (81°F). Maximums can reach 37°C (99°F), and minimums can be as low as 19°C (66°F). This makes it an ideal month for travelers who enjoy warm weather and outdoor activities.

October Weather in Rio Branco: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Rio Branco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Branco, October typically has an average temperature of 27°C (81°F), with highs reaching up to 37°C (99°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878787776767881807979
Data source: Temperature data for Rio Branco 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 Rio Branco

In Rio Branco in October, the precipitation amount is 125 mm (4.9 in) spread over 17 days.

October Precipitation Trends in Rio Branco

The chart displays monthly precipitation patterns in Rio Branco, 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 Rio Branco, October typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec2642852881688333142653125207305
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Rio Branco

In Rio Branco in October humidity is 44%. With an average temperature of 27°C (81°F), this humidity feels like a comfortable embrace, making it pleasant for traveling as long as you stay hydrated and take breaks in the shade.

October Average Humidity in Rio Branco

This chart illustrates the average monthly humidity levels in Rio Branco, 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 Rio Branco is approximately 44%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%89%84%67%46%37%33%44%73%88%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Rio Branco

In Rio Branco 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 Rio Branco, you can check here.

Maximum UV Index Levels in Rio Branco for October

The chart shows the monthly maximum UV Index (UVI) for Rio Branco 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 Rio Branco typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616141210101112141514
Data source: Rio Branco 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 Rio Branco Compares to Other Months

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

This table compares monthly weather conditions in Rio Branco, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)264 mm (10.4 inches)88%extreme
February Weather25°C (78°F)285 mm (11.2 inches)87%extreme
March Weather26°C (78°F)288 mm (11.3 inches)87%extreme
April Weather26°C (78°F)168 mm (6.6 inches)89%extreme
May Weather25°C (77°F)83 mm (3.3 inches)84%extreme
June Weather24°C (76°F)33 mm (1.3 inches)67%very high
July Weather25°C (76°F)14 mm (0.6 inches)46%very high
August Weather26°C (79°F)26 mm (1.0 inches)37%extreme
September Weather27°C (82°F)53 mm (2.1 inches)33%extreme
October Weather27°C (81°F)125 mm (4.9 inches)44%extreme
November Weather26°C (80°F)206 mm (8.1 inches)73%extreme
December Weather26°C (79°F)305 mm (12.0 inches)88%extreme

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