October Weather in Serrana, Brazil

Last updated: August 22, 2025

In October, the average temperature in Serrana, Brazil reaches a pleasant 25°C (77°F). However, temperatures can vary significantly, with a minimum of 15°C (59°F) and a scorching maximum of 38°C (100°F). Be prepared for some rain, as 117 mm (4.6 in) of precipitation can fall over approximately 13 days. On top of that, the average humidity sits at a comfortable 35%.

October Temperature in Serrana

In October in Serrana, the average temperature is 25°C (77°F). Maximums can reach 38°C (100°F), and minimums can be as low as 15°C (59°F). This makes it an ideal time for travelers to enjoy the warm weather while also having the option for cooler evenings.

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

The chart illustrates October temperature patterns in Serrana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Serrana, October typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (100°F) and lows dropping to around 15°C (59°F).

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

October Precipitation in Serrana

In Serrana in October, the total precipitation amount is 117 mm (4.6 in) spread over 13 days.

October Precipitation Trends in Serrana

The chart displays monthly precipitation patterns in Serrana, 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 Serrana, October typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 13 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 Serrana

In Serrana in October, humidity is 35%. With an average temperature of 25°C (77°F), this humidity feels like a comfortable embrace, making it perfect for exploring the area's vibrant sights and enjoying outdoor activities without overwhelming discomfort.

October Average Humidity in Serrana

This chart illustrates the average monthly humidity levels in Serrana, 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 Serrana is approximately 35%, 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 Serrana

In Serrana 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 Serrana.

Maximum UV Index Levels in Serrana for October

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

Data source: Serrana 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 Serrana Compares to Other Months

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

This table compares monthly weather conditions in Serrana, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	182 mm (7.2 inches)	85%	extreme
February Weather	24°C (76°F)	155 mm (6.1 inches)	87%	extreme
March Weather	24°C (76°F)	112 mm (4.4 inches)	86%	extreme
April Weather	23°C (73°F)	59 mm (2.3 inches)	79%	extreme
May Weather	20°C (69°F)	31 mm (1.2 inches)	68%	very high
June Weather	20°C (68°F)	10 mm (0.4 inches)	60%	high
July Weather	19°C (66°F)	10 mm (0.4 inches)	57%	very high
August Weather	21°C (70°F)	19 mm (0.7 inches)	48%	very high
September Weather	25°C (77°F)	28 mm (1.1 inches)	41%	extreme
October Weather	25°C (77°F)	117 mm (4.6 inches)	35%	extreme
November Weather	24°C (76°F)	156 mm (6.1 inches)	65%	extreme
December Weather	24°C (76°F)	189 mm (7.5 inches)	80%	extreme