May Weather in Fortuna, Brazil

Last updated: August 22, 2025

In Fortuna, Brazil, the average temperature in May is a delightful 27°C (80°F). You can expect a minimum of 19°C (66°F) and a maximum soaring to 34°C (93°F). During this month, the precipitation averages around 47 mm (1.9 in) over 8 days, contributing to a high humidity level of 88%, making it feel quite tropical!

May Temperature in Fortuna

In May in Fortuna, the average temperature is 27°C (80°F), with maximums reaching 34°C (93°F) and minimums dipping as low as 19°C (66°F). This mild and warm climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates May 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, May typically has an average temperature of 27°C (80°F), with highs reaching up to 34°C (93°F) and lows dropping to around 19°C (66°F).

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

May Precipitation in Fortuna

In Fortuna in May, the precipitation amount is 47 mm (1.9 in) over a span of 8 days.

May Precipitation Trends in Fortuna

The chart displays monthly precipitation patterns in Fortuna, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Fortuna, May typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Fortuna

In Fortuna in May, humidity is 88%. With an average temperature of 27°C (80°F), this humidity feels like a warm, thick blanket enveloping you, making travel quite uncomfortable as you navigate the sticky air and sweat almost immediately.

May Average Humidity in Fortuna

This chart illustrates the average monthly humidity levels in Fortuna, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Fortuna is approximately 88%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Fortuna

In Fortuna in May, 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 May

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

Data source: Fortuna May 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 May 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 May’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 May’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