October Weather in Tres Barras, Brazil

Last updated: August 22, 2025

The average temperature in Tres Barras, Brazil during October hovers around 19°C (66°F), but be prepared for a range as lows can dip to 7°C (45°F) and highs may soar to 34°C (94°F). Expect precipitation of approximately 157 mm (6.2 in) over around 15 days, contributing to a cozy average humidity level of 76%.

October Temperature in Tres Barras

In October in Tres Barras, the average temperature is 19°C (66°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop to as low as 7°C (45°F). This varied climate makes Tres Barras an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates October temperature patterns in Tres Barras, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tres Barras, October typically has an average temperature of 19°C (66°F), with highs reaching up to 34°C (94°F) and lows dropping to around 7°C (45°F).

Data source: Temperature data for Tres Barras generated using information from the Copernicus Climate Change Service.

October Precipitation in Tres Barras

In Tres Barras in October, the precipitation amount is 157 mm (6.2 in) over a period of 15 days.

October Precipitation Trends in Tres Barras

The chart displays monthly precipitation patterns in Tres Barras, 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 Barras, October typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Tres Barras

In Tres Barras in October, humidity is 76%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making travel mildly uncomfortable and encouraging frequent breaks in shaded or air-conditioned areas.

October Average Humidity in Tres Barras

This chart illustrates the average monthly humidity levels in Tres Barras, 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 Barras is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Tres Barras

In Tres Barras 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 Barras.

Maximum UV Index Levels in Tres Barras for October

The chart shows the monthly maximum UV Index (UVI) for Tres Barras 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 Barras typically reaches 13, which falls under the extreme exposure category.

Data source: Tres Barras 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 Barras Compares to Other Months

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

This table compares monthly weather conditions in Tres Barras, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (72°F)	163 mm (6.4 inches)	85%	extreme
February Weather	21°C (71°F)	131 mm (5.2 inches)	81%	extreme
March Weather	21°C (70°F)	117 mm (4.6 inches)	82%	extreme
April Weather	18°C (65°F)	52 mm (2.1 inches)	84%	extreme
May Weather	16°C (61°F)	106 mm (4.2 inches)	86%	high
June Weather	15°C (59°F)	123 mm (4.8 inches)	84%	high
July Weather	14°C (57°F)	27 mm (1.1 inches)	77%	high
August Weather	15°C (59°F)	87 mm (3.4 inches)	70%	very high
September Weather	18°C (65°F)	71 mm (2.8 inches)	75%	extreme
October Weather	19°C (66°F)	157 mm (6.2 inches)	76%	extreme
November Weather	20°C (68°F)	116 mm (4.6 inches)	84%	extreme
December Weather	21°C (71°F)	149 mm (5.9 inches)	88%	extreme