October Weather in Arroio dos Ratos, Brazil

Last updated: August 22, 2025

In October, the average temperature in Arroio dos Ratos, Brazil is a pleasant 20°C (68°F). Expect temperatures to vary, with a minimum of 9°C (49°F) and soaring up to a maximum of 37°C (98°F). You'll want to prepare for some rain, as precipitation typically amounts to 139 mm (5.5 in) over about 12 days. Don't forget, the average humidity is quite high at 85%, adding to the atmosphere of the region.

October Temperature in Arroio dos Ratos

In October in Arroio dos Ratos, the average temperature is 20°C (68°F). Maximum temperatures can reach 37°C (98°F), while minimums can drop as low as 9°C (49°F). This makes it a great time to explore outdoor activities, so be prepared for warm days but cool evenings.

October Weather in Arroio dos Ratos: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Arroio dos Ratos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arroio dos Ratos, October typically has an average temperature of 20°C (68°F), with highs reaching up to 37°C (98°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec787774706359576064687175
Data source: Temperature data for Arroio dos Ratos 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 Arroio dos Ratos

In Arroio dos Ratos, in October, the precipitation amount is 139 mm (5.5 in) over a span of 12 days.

October Precipitation Trends in Arroio dos Ratos

The chart displays monthly precipitation patterns in Arroio dos Ratos, 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 Arroio dos Ratos, October typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec8591102761601171237615113910864
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Arroio dos Ratos

In Arroio dos Ratos in October, humidity is 85%. With an average temperature of 20°C (68°F), this humidity feels like a warm, sticky blanket enveloping you, making outdoor activities quite uncomfortable and prompting travelers to seek shade and hydration more frequently.

October Average Humidity in Arroio dos Ratos

This chart illustrates the average monthly humidity levels in Arroio dos Ratos, 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 Arroio dos Ratos is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%79%82%87%85%82%81%84%85%82%84%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Arroio dos Ratos

In Arroio dos Ratos in October, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Arroio dos Ratos.

Maximum UV Index Levels in Arroio dos Ratos for October

The chart shows the monthly maximum UV Index (UVI) for Arroio dos Ratos 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 Arroio dos Ratos typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141312964579121314
Data source: Arroio dos Ratos 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 Arroio dos Ratos Compares to Other Months

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

This table compares monthly weather conditions in Arroio dos Ratos, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)85 mm (3.3 inches)77%extreme
February Weather25°C (77°F)91 mm (3.6 inches)79%extreme
March Weather23°C (74°F)102 mm (4.0 inches)79%extreme
April Weather21°C (70°F)76 mm (3.0 inches)82%very high
May Weather17°C (63°F)160 mm (6.3 inches)87%high
June Weather15°C (60°F)117 mm (4.6 inches)85%moderate
July Weather14°C (57°F)123 mm (4.9 inches)82%moderate
August Weather15°C (60°F)76 mm (3.0 inches)81%high
September Weather18°C (65°F)151 mm (6.0 inches)84%very high
October Weather20°C (68°F)139 mm (5.5 inches)85%extreme
November Weather22°C (71°F)108 mm (4.3 inches)82%extreme
December Weather24°C (75°F)64 mm (2.5 inches)84%extreme

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