October Weather in Arinos, Brazil

Last updated: August 22, 2025

In Arinos, Brazil, the average temperature in October hovers around 28°C (83°F), offering a warm climate ideal for outdoor activities. However, be prepared for a temperature range where it can drop to a minimum of 19°C (66°F) or soar to a maximum of 40°C (105°F). Expect about 71 mm (2.8 in) of precipitation spread over 10 days, and enjoy a relatively low average humidity of 31%. This makes October a delightful time to explore and experience the beauty of Arinos!

October Temperature in Arinos

In October in Arinos, the average temperature is 28°C (83°F). Maximums can reach up to 40°C (105°F), while minimums can drop as low as 19°C (66°F). This warm climate makes Arinos an ideal destination for travelers seeking sunshine and outdoor adventures.

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

The chart illustrates October temperature patterns in Arinos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arinos, October typically has an average temperature of 28°C (83°F), with highs reaching up to 40°C (105°F) and lows dropping to around 19°C (66°F).

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

October Precipitation in Arinos

In Arinos in October, the precipitation amount is 71 mm (2.8 in) over a duration of 10 days.

October Precipitation Trends in Arinos

The chart displays monthly precipitation patterns in Arinos, 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 Arinos, October typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 10 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 Arinos

In Arinos in October, humidity is 31%. With an average temperature of 28°C (83°F), this humidity feels like a warm, inviting embrace that's not overly oppressive, making it pleasant for exploring outdoor attractions and enjoying leisurely strolls in comfortable weather.

October Average Humidity in Arinos

This chart illustrates the average monthly humidity levels in Arinos, 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 Arinos is approximately 31%, 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 Arinos

In Arinos 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 Arinos, you can check here.

Maximum UV Index Levels in Arinos for October

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

Data source: Arinos 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 Arinos Compares to Other Months

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

This table compares monthly weather conditions in Arinos, 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 (80°F)	92 mm (3.6 inches)	83%	extreme
February Weather	25°C (78°F)	169 mm (6.6 inches)	88%	extreme
March Weather	26°C (78°F)	141 mm (5.5 inches)	89%	extreme
April Weather	25°C (78°F)	53 mm (2.1 inches)	78%	extreme
May Weather	24°C (75°F)	15 mm (0.6 inches)	67%	very high
June Weather	23°C (74°F)	1 mm (0.0 inches)	61%	very high
July Weather	22°C (72°F)	0 mm (0.0 inches)	58%	very high
August Weather	24°C (76°F)	6 mm (0.2 inches)	51%	extreme
September Weather	27°C (80°F)	3 mm (0.1 inches)	42%	extreme
October Weather	28°C (83°F)	71 mm (2.8 inches)	31%	extreme
November Weather	25°C (78°F)	153 mm (6.0 inches)	48%	extreme
December Weather	25°C (78°F)	220 mm (8.7 inches)	61%	extreme