October Weather in Iacu, Brazil

Last updated: August 22, 2025

In Iacu, Brazil, the average temperature in October is a warm 26°C (79°F), with a minimum of 17°C (64°F) and a maximum soaring to 38°C (100°F). Rainfall is generally light, with an average precipitation of only 21 mm (0.8 in) spread over 5 days. The average humidity sits comfortably at 63%, making it a pleasant time to explore!

October Temperature in Iacu

In October, in Iacu, the average temperature is 26°C (79°F). Maximums can reach 38°C (100°F), and minimums can drop to as low as 17°C (64°F). This pleasant climate makes Iacu an ideal destination for travelers seeking warm weather adventures.

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

The chart illustrates October temperature patterns in Iacu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iacu, October typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (100°F) and lows dropping to around 17°C (64°F).

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

October Precipitation in Iacu

In Iacu in October, the precipitation amount is 21 mm (0.8 in) spread over a period of 5 days.

October Precipitation Trends in Iacu

The chart displays monthly precipitation patterns in Iacu, 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 Iacu, October typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 5 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 Iacu

In Iacu in October humidity is 63%. With average temperature 26°C (79°F), this humidity feels like a warm embrace, making it perfect for leisurely strolls or exploring local attractions, though be prepared for a slight stickiness that may prompt you to seek shade or refreshing beverages along the way.

October Average Humidity in Iacu

This chart illustrates the average monthly humidity levels in Iacu, 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 Iacu is approximately 63%, 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 Iacu

In Iacu in October, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Iacu.

Maximum UV Index Levels in Iacu for October

The chart shows the monthly maximum UV Index (UVI) for Iacu 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 Iacu typically reaches 15, which falls under the extreme exposure category.

Data source: Iacu 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 Iacu Compares to Other Months

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

This table compares monthly weather conditions in Iacu, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (80°F)	25 mm (1.0 inches)	73%	extreme
February Weather	27°C (82°F)	44 mm (1.7 inches)	80%	extreme
March Weather	27°C (81°F)	59 mm (2.3 inches)	89%	extreme
April Weather	26°C (79°F)	80 mm (3.2 inches)	88%	extreme
May Weather	25°C (77°F)	29 mm (1.1 inches)	85%	extreme
June Weather	24°C (75°F)	20 mm (0.8 inches)	85%	very high
July Weather	23°C (73°F)	20 mm (0.8 inches)	80%	very high
August Weather	23°C (74°F)	17 mm (0.7 inches)	76%	extreme
September Weather	24°C (76°F)	17 mm (0.7 inches)	70%	extreme
October Weather	26°C (79°F)	21 mm (0.8 inches)	63%	extreme
November Weather	26°C (79°F)	83 mm (3.3 inches)	58%	extreme
December Weather	26°C (79°F)	65 mm (2.6 inches)	59%	extreme