October Weather in Bastos, Brazil

Last updated: August 22, 2025

In October, the average temperature in Bastos, Brazil hovers around 26°C (78°F). However, be prepared for temperature fluctuations, as it can dip to a minimum of 14°C (57°F) and soar up to 42°C (107°F). With an average precipitation level of 105 mm (4.1 in) spread over 11 days, don't forget your umbrella! Additionally, you can expect an average humidity of 44%, making for a warm yet enjoyable climate.

October Temperature in Bastos

In October in Bastos, the average temperature is 26°C (78°F), with maximums potentially reaching 42°C (107°F) and minimums dropping to as low as 14°C (57°F). It's an ideal time for travel, so ensure you pack for both warm days and cooler evenings.

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

The chart illustrates October temperature patterns in Bastos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bastos, October typically has an average temperature of 26°C (78°F), with highs reaching up to 42°C (107°F) and lows dropping to around 14°C (57°F).

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

October Precipitation in Bastos

In Bastos in October, the precipitation amount is 105 mm (4.1 in) over the course of 11 days.

October Precipitation Trends in Bastos

The chart displays monthly precipitation patterns in Bastos, 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 Bastos, October typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 11 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 Bastos

In Bastos in October humidity is 44%. With an average temperature of 26°C (78°F), this humidity feels like a refreshing embrace, providing a comfortable atmosphere for exploring the sights and enjoying outdoor activities without feeling too sticky or overwhelming.

October Average Humidity in Bastos

This chart illustrates the average monthly humidity levels in Bastos, 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 Bastos is approximately 44%, 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 Bastos

In Bastos 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 Bastos, you can check here.

Maximum UV Index Levels in Bastos for October

The chart shows the monthly maximum UV Index (UVI) for Bastos 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 Bastos typically reaches 14, which falls under the extreme exposure category.

Data source: Bastos 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 Bastos Compares to Other Months

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

This table compares monthly weather conditions in Bastos, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	149 mm (5.9 inches)	84%	extreme
February Weather	26°C (79°F)	144 mm (5.7 inches)	81%	extreme
March Weather	26°C (79°F)	86 mm (3.4 inches)	81%	extreme
April Weather	24°C (76°F)	45 mm (1.8 inches)	75%	extreme
May Weather	22°C (71°F)	41 mm (1.6 inches)	68%	very high
June Weather	21°C (70°F)	25 mm (1.0 inches)	64%	high
July Weather	21°C (70°F)	6 mm (0.2 inches)	58%	high
August Weather	22°C (71°F)	45 mm (1.8 inches)	49%	very high
September Weather	26°C (79°F)	30 mm (1.2 inches)	47%	extreme
October Weather	26°C (78°F)	105 mm (4.1 inches)	44%	extreme
November Weather	26°C (79°F)	102 mm (4.0 inches)	68%	extreme
December Weather	26°C (79°F)	141 mm (5.5 inches)	82%	extreme