October Weather in Castilho, Brazil

Last updated: August 22, 2025

In October, the average temperature in Castilho, Brazil hovers around 27°C (81°F). However, don’t be surprised by the wide range of temperatures, as it can dip to a minimum of 16°C (61°F), while soaring to a scorching 42°C (108°F). During this month, expect about 94 mm (3.7 in) of precipitation over approximately 12 days, along with an average humidity of just 31%. Prepare for a summer experience that blends heat with occasional rain!

October Temperature in Castilho

In October in Castilho, the average temperature is 27°C (81°F), with maximums reaching up to 42°C (108°F) and minimums dropping as low as 16°C (61°F). Be prepared for varied weather conditions and stay hydrated during your travels!

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

The chart illustrates October temperature patterns in Castilho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castilho, October typically has an average temperature of 27°C (81°F), with highs reaching up to 42°C (108°F) and lows dropping to around 16°C (61°F).

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

October Precipitation in Castilho

In Castilho in October, the precipitation amount is 94 mm (3.7 in) spread over 12 days.

October Precipitation Trends in Castilho

The chart displays monthly precipitation patterns in Castilho, 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 Castilho, October typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 12 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 Castilho

In Castilho in October, humidity is 31%. With an average temperature of 27°C (81°F), this humidity feels like a comfortable embrace, perfect for exploring the outdoors without feeling overly sticky or suffocating.

October Average Humidity in Castilho

This chart illustrates the average monthly humidity levels in Castilho, 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 Castilho 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 Castilho

In Castilho 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 Castilho, you can check here.

Maximum UV Index Levels in Castilho for October

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

Data source: Castilho 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 Castilho Compares to Other Months

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

This table compares monthly weather conditions in Castilho, 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 (81°F)	153 mm (6.0 inches)	84%	extreme
February Weather	27°C (81°F)	132 mm (5.2 inches)	85%	extreme
March Weather	27°C (81°F)	109 mm (4.3 inches)	84%	extreme
April Weather	25°C (78°F)	46 mm (1.8 inches)	76%	extreme
May Weather	23°C (73°F)	42 mm (1.7 inches)	60%	very high
June Weather	22°C (73°F)	15 mm (0.6 inches)	48%	high
July Weather	21°C (71°F)	4 mm (0.2 inches)	44%	very high
August Weather	23°C (74°F)	17 mm (0.7 inches)	38%	very high
September Weather	27°C (81°F)	21 mm (0.8 inches)	33%	extreme
October Weather	27°C (81°F)	94 mm (3.7 inches)	31%	extreme
November Weather	27°C (81°F)	115 mm (4.5 inches)	62%	extreme
December Weather	27°C (81°F)	155 mm (6.1 inches)	82%	extreme