October Weather in Riacho de Santana, Brazil

Last updated: August 22, 2025

In October, the average temperature in Riacho de Santana, Brazil hovers around 29°C (84°F), with highs reaching a sizzling 40°C (105°F) and lows dipping to a comfortable 19°C (67°F). Expect about 36 mm (1.4 in) of precipitation spread across 5 days, while the average humidity sits at a moderate 46%. Whether you're enjoying the warmth or dodging the rain, Riacho de Santana has something for everyone this month!

October Temperature in Riacho de Santana

In October in Riacho de Santana, the average temperature is 29°C (84°F), with maximums potentially reaching 40°C (105°F) and minimums dipping as low as 19°C (67°F). It's a great time for travelers to enjoy warm weather while being prepared for some hot days.

October Weather in Riacho de Santana: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Riacho de Santana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riacho de Santana, October typically has an average temperature of 29°C (84°F), with highs reaching up to 40°C (105°F) and lows dropping to around 19°C (67°F).

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

October Precipitation in Riacho de Santana

In Riacho de Santana in October, the precipitation amount is 36 mm (1.4 in) over the course of 5 days.

October Precipitation Trends in Riacho de Santana

The chart displays monthly precipitation patterns in Riacho de Santana, 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 Riacho de Santana, October typically receives around 36 mm (1.4 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 Riacho de Santana

In Riacho de Santana in October humidity is 46%. With an average temperature of 29°C (84°F), this humidity feels like a warm embrace, making traveling slightly uncomfortable, as the air feels thick and sticky, potentially leading to sweat and fatigue during outdoor activities.

October Average Humidity in Riacho de Santana

This chart illustrates the average monthly humidity levels in Riacho de Santana, 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 Riacho de Santana is approximately 46%, 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 Riacho de Santana

In Riacho de Santana 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 Riacho de Santana, you can check here.

Maximum UV Index Levels in Riacho de Santana for October

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

Data source: Riacho de Santana 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 Riacho de Santana Compares to Other Months

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

This table compares monthly weather conditions in Riacho de Santana, 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)	51 mm (2.0 inches)	78%	extreme
February Weather	26°C (79°F)	119 mm (4.7 inches)	85%	extreme
March Weather	26°C (79°F)	115 mm (4.5 inches)	90%	extreme
April Weather	26°C (79°F)	60 mm (2.4 inches)	84%	extreme
May Weather	25°C (78°F)	8 mm (0.3 inches)	73%	extreme
June Weather	24°C (76°F)	1 mm (0.0 inches)	71%	very high
July Weather	23°C (74°F)	1 mm (0.0 inches)	66%	very high
August Weather	25°C (77°F)	0 mm (0.0 inches)	60%	extreme
September Weather	27°C (81°F)	2 mm (0.1 inches)	54%	extreme
October Weather	29°C (84°F)	36 mm (1.4 inches)	46%	extreme
November Weather	26°C (80°F)	134 mm (5.3 inches)	42%	extreme
December Weather	26°C (80°F)	142 mm (5.6 inches)	52%	extreme