October Weather in Fortuna, Brazil

Last updated: August 22, 2025

In Fortuna, Brazil, the average temperature in October hovers around 29°C (85°F), providing a warm and inviting atmosphere. Expect lows of 21°C (70°F) and highs reaching up to 38°C (101°F). While you enjoy the sunshine, keep in mind that rainfall averages 32 mm (1.2 in) across about 5 days, with an average humidity level of 35%. Perfect weather for outdoor adventures awaits!

October Temperature in Fortuna

In October in Fortuna, the average temperature is 29°C (85°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 21°C (70°F). This warm climate makes Fortuna an ideal destination for sun-seekers and outdoor enthusiasts.

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

The chart illustrates October temperature patterns in Fortuna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fortuna, October typically has an average temperature of 29°C (85°F), with highs reaching up to 38°C (101°F) and lows dropping to around 21°C (70°F).

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

October Precipitation in Fortuna

In Fortuna in October, the precipitation amount is 32 mm (1.2 in) over the course of 5 days.

October Precipitation Trends in Fortuna

The chart displays monthly precipitation patterns in Fortuna, 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 Fortuna, October typically receives around 32 mm (1.2 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 Fortuna

In Fortuna in October, humidity is 35%. With an average temperature of 29°C (85°F), this humidity feels like a comfortable warmth that is easy to enjoy while traveling, allowing you to explore without feeling overly sticky or weighed down by the heat.

October Average Humidity in Fortuna

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

In Fortuna 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 Fortuna.

Maximum UV Index Levels in Fortuna for October

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

Data source: Fortuna 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 Fortuna Compares to Other Months

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

This table compares monthly weather conditions in Fortuna, 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 (79°F)	169 mm (6.6 inches)	90%	extreme
February Weather	26°C (79°F)	220 mm (8.7 inches)	91%	extreme
March Weather	26°C (78°F)	253 mm (9.9 inches)	92%	extreme
April Weather	26°C (79°F)	169 mm (6.6 inches)	93%	extreme
May Weather	27°C (80°F)	47 mm (1.9 inches)	88%	extreme
June Weather	27°C (81°F)	6 mm (0.2 inches)	75%	extreme
July Weather	27°C (81°F)	4 mm (0.2 inches)	52%	extreme
August Weather	28°C (83°F)	2 mm (0.1 inches)	42%	extreme
September Weather	29°C (85°F)	7 mm (0.3 inches)	36%	extreme
October Weather	29°C (85°F)	32 mm (1.2 inches)	35%	extreme
November Weather	28°C (82°F)	92 mm (3.6 inches)	43%	extreme
December Weather	27°C (81°F)	134 mm (5.3 inches)	76%	extreme