October Weather in Grajau, Brazil

Last updated: August 22, 2025

In Grajau, Brazil, the average temperature in October is a warm 29°C (84°F). Expect minimum temperatures around 22°C (71°F), while peak days can soar to 39°C (102°F). During this month, precipitation totals approximately 36 mm (1.4 in) over 6 days, accompanied by a comfortable average humidity of 45%.

October Temperature in Grajau

In October in Grajau, the average temperature is 29°C (84°F). The maximum can reach 39°C (102°F) and the minimum can be as low as 22°C (71°F). Travelers should be prepared for warm weather with potential high heat, making it a great time for beach activities and exploring outdoor attractions.

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

The chart illustrates October temperature patterns in Grajau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grajau, October typically has an average temperature of 29°C (84°F), with highs reaching up to 39°C (102°F) and lows dropping to around 22°C (71°F).

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

October Precipitation in Grajau

In Grajau in October, the total precipitation amount is 36 mm (1.4 in), which falls over the course of 6 days.

October Precipitation Trends in Grajau

The chart displays monthly precipitation patterns in Grajau, 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 Grajau, October typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 6 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 Grajau

In Grajau in October, humidity is 45%. With an average temperature of 29°C (84°F), this humidity feels like a warm embrace, making traveling quite pleasant as you can enjoy outdoor activities without feeling overly sticky or uncomfortable.

October Average Humidity in Grajau

This chart illustrates the average monthly humidity levels in Grajau, 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 Grajau is approximately 45%, 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 Grajau

In Grajau 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 Grajau.

Maximum UV Index Levels in Grajau for October

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

Data source: Grajau 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 Grajau Compares to Other Months

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

This table compares monthly weather conditions in Grajau, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	122 mm (4.8 inches)	91%	extreme
February Weather	26°C (80°F)	214 mm (8.4 inches)	91%	extreme
March Weather	26°C (79°F)	193 mm (7.6 inches)	91%	extreme
April Weather	27°C (80°F)	146 mm (5.8 inches)	94%	extreme
May Weather	27°C (81°F)	45 mm (1.8 inches)	89%	extreme
June Weather	27°C (81°F)	4 mm (0.2 inches)	80%	extreme
July Weather	27°C (81°F)	3 mm (0.1 inches)	66%	extreme
August Weather	28°C (83°F)	2 mm (0.1 inches)	53%	extreme
September Weather	29°C (84°F)	9 mm (0.4 inches)	46%	extreme
October Weather	29°C (84°F)	36 mm (1.4 inches)	45%	extreme
November Weather	28°C (82°F)	88 mm (3.4 inches)	53%	extreme
December Weather	27°C (82°F)	124 mm (4.9 inches)	82%	extreme