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October Weather in Porteirinha, Brazil

Last updated: August 22, 2025

In October, the average temperature in Porteirinha, Brazil is a warm 27°C (81°F). Expect a comfortable minimum of 17°C (62°F), with the mercury soaring up to a sizzling 40°C (105°F). During this month, you can anticipate approximately 45 mm (1.8 in) of precipitation spread over 8 days, while the average humidity hovers around a pleasant 46%.

October Temperature in Porteirinha

In October in Porteirinha, the average temperature is 27°C (81°F), with maximums soaring to 40°C (105°F) and minimums dropping to as low as 17°C (62°F). Be prepared for warm weather and pack accordingly for your trip!

October Weather in Porteirinha: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Porteirinha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porteirinha, October typically has an average temperature of 27°C (81°F), with highs reaching up to 40°C (105°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec797878777473717478817777
Data source: Temperature data for Porteirinha 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 Porteirinha

In Porteirinha in October, the precipitation amount is 45 mm (1.8 in) over the course of 8 days.

October Precipitation Trends in Porteirinha

The chart displays monthly precipitation patterns in Porteirinha, 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 Porteirinha, October typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec4711877377111346128160
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Porteirinha

In Porteirinha in October, humidity is 46%. With an average temperature of 27°C (81°F), this humidity feels like a warm embrace, creating a pleasant atmosphere for traveling, making it easy to explore the sights without feeling overly muggy.

October Average Humidity in Porteirinha

This chart illustrates the average monthly humidity levels in Porteirinha, 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 Porteirinha is approximately 46%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%83%88%81%72%71%66%61%54%46%42%51%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Porteirinha

In Porteirinha 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 Porteirinha, you can check here.

Maximum UV Index Levels in Porteirinha for October

The chart shows the monthly maximum UV Index (UVI) for Porteirinha 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 Porteirinha typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151413119101212141516
Data source: Porteirinha 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 Porteirinha Compares to Other Months

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

This table compares monthly weather conditions in Porteirinha, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)47 mm (1.9 inches)75%extreme
February Weather25°C (78°F)118 mm (4.7 inches)83%extreme
March Weather26°C (78°F)77 mm (3.0 inches)88%extreme
April Weather25°C (77°F)37 mm (1.4 inches)81%extreme
May Weather23°C (74°F)7 mm (0.3 inches)72%extreme
June Weather23°C (73°F)1 mm (0.0 inches)71%very high
July Weather21°C (71°F)1 mm (0.1 inches)66%very high
August Weather23°C (74°F)1 mm (0.0 inches)61%extreme
September Weather26°C (78°F)3 mm (0.1 inches)54%extreme
October Weather27°C (81°F)45 mm (1.8 inches)46%extreme
November Weather25°C (78°F)128 mm (5.0 inches)42%extreme
December Weather25°C (78°F)160 mm (6.3 inches)51%extreme

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