August Weather in Fortuna, Brazil

Last updated: August 22, 2025

In August, the average temperature in Fortuna, Brazil reaches a warm 28°C (83°F), with temperatures ranging from a pleasant 18°C (65°F) to a sizzling 37°C (99°F). Expect minimal precipitation at just 2 mm (0.1 in) over 0 days, and enjoy relatively low humidity at 42%, making it an ideal time to soak up the sun.

August Temperature in Fortuna

In August in Fortuna, the average temperature is a warm 28°C (83°F), with maximums reaching as high as 37°C (99°F) and minimums dropping to around 18°C (65°F). This pleasant climate makes Fortuna an ideal destination for travelers seeking sunshine and outdoor activities during this time of year.

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

The chart illustrates August 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, August typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (99°F) and lows dropping to around 18°C (65°F).

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

August Precipitation in Fortuna

In Fortuna in August, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

August Precipitation Trends in Fortuna

The chart displays monthly precipitation patterns in Fortuna, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Fortuna, August typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Fortuna

In Fortuna in August, humidity is 42%. With an average temperature of 28°C (83°F), this humidity feels like a warm embrace, making it quite comfortable for traveling, allowing for leisurely strolls and outdoor adventures without feeling overly sticky or oppressive.

August Average Humidity in Fortuna

This chart illustrates the average monthly humidity levels in Fortuna, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Fortuna is approximately 42%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Fortuna

In Fortuna in August, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Fortuna.

Maximum UV Index Levels in Fortuna for August

The chart shows the monthly maximum UV Index (UVI) for Fortuna in August, 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 August, the maximum UV index in Fortuna typically reaches 12, which falls under the extreme exposure category.

Data source: Fortuna August 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 August 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 August’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 August’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