October Weather in Porto Uniao, Brazil

Last updated: August 22, 2025

In October, the average temperature in Porto Uniao, Brazil hovers around 18°C (64°F), offering a pleasant climate. However, expect some variability; temperatures can dip to a cool 5°C (42°F) or soar to a warm 34°C (94°F). Rain is also a possibility, with an average precipitation of 140 mm (5.5 in) spread over 15 days. Furthermore, the average humidity is a comfortable 76%, making it a great time to explore!

October Temperature in Porto Uniao

In October in Porto Uniao, the average temperature is 18°C (64°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 5°C (42°F). This makes Porto Uniao a great destination for travelers who prefer mild weather, but be prepared for some variation in temperatures throughout the day.

October Weather in Porto Uniao: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Porto Uniao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porto Uniao, October typically has an average temperature of 18°C (64°F), with highs reaching up to 34°C (94°F) and lows dropping to around 5°C (42°F).

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

October Precipitation in Porto Uniao

In Porto Uniao in October, the total precipitation amount is 140 mm (5.5 in) over a span of 15 days.

October Precipitation Trends in Porto Uniao

The chart displays monthly precipitation patterns in Porto Uniao, 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 Porto Uniao, October typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 15 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Porto Uniao

In Porto Uniao in October, humidity is 76%. With an average temperature of 18°C (64°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel steamy and invigorating—perfect for exploring charming streets, though you might want to take breaks in the shade.

October Average Humidity in Porto Uniao

This chart illustrates the average monthly humidity levels in Porto Uniao, 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 Porto Uniao 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 Porto Uniao

In Porto Uniao 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 Porto Uniao.

Maximum UV Index Levels in Porto Uniao for October

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

Data source: Porto Uniao 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 Porto Uniao Compares to Other Months

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

This table compares monthly weather conditions in Porto Uniao, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	143 mm (5.6 inches)	85%	extreme
February Weather	21°C (70°F)	102 mm (4.0 inches)	81%	extreme
March Weather	20°C (69°F)	99 mm (3.9 inches)	82%	extreme
April Weather	17°C (64°F)	56 mm (2.2 inches)	84%	extreme
May Weather	15°C (59°F)	82 mm (3.2 inches)	86%	high
June Weather	14°C (57°F)	95 mm (3.7 inches)	84%	high
July Weather	13°C (55°F)	25 mm (1.0 inches)	77%	high
August Weather	14°C (57°F)	75 mm (3.0 inches)	70%	very high
September Weather	18°C (64°F)	71 mm (2.8 inches)	75%	extreme
October Weather	18°C (64°F)	140 mm (5.5 inches)	76%	extreme
November Weather	19°C (67°F)	115 mm (4.5 inches)	84%	extreme
December Weather	21°C (70°F)	133 mm (5.2 inches)	88%	extreme