May Weather in Iacu, Brazil

Last updated: August 22, 2025

In May, the average temperature in Iacu, Brazil is a pleasant 25°C (77°F), with minimums dipping to 16°C (61°F) and maximums soaring to 36°C (97°F). Expect some rain, with precipitation totaling 29 mm (1.1 in) over 7 days, accompanied by a high average humidity of 85%. Enjoy the climate while planning your activities!

May Temperature in Iacu

In May in Iacu, the average temperature is 25°C (77°F), with maximums reaching 36°C (97°F) and minimums dipping as low as 16°C (61°F). This makes it an ideal time for travelers to enjoy warm weather while being prepared for occasional cooler evenings.

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

The chart illustrates May temperature patterns in Iacu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iacu, May typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (97°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec808181797775737376797879
Data source: Temperature data for Iacu generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Iacu

In Iacu in May, the precipitation amount is 29 mm (1.1 in) over a span of 7 days.

May Precipitation Trends in Iacu

The chart displays monthly precipitation patterns in Iacu, 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 Iacu, May typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec254459802920201717218365
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Iacu

In Iacu in May, humidity is 85%. With an average temperature of 25°C (77°F), this humidity feels like a warm, heavy blanket wrapping around you, making every outdoor excursion feel both stifling and sticky, requiring frequent breaks in the shade to stay comfortable while exploring.

May Average Humidity in Iacu

This chart illustrates the average monthly humidity levels in Iacu, 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 Iacu is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%80%89%88%85%85%80%76%70%63%58%59%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Iacu

In Iacu in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Iacu.

Maximum UV Index Levels in Iacu for May

The chart shows the monthly maximum UV Index (UVI) for Iacu 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 Iacu typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151413119101213151514
Data source: Iacu 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 Iacu Compares to Other Months

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

This table compares monthly weather conditions in Iacu, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)25 mm (1.0 inches)73%extreme
February Weather27°C (82°F)44 mm (1.7 inches)80%extreme
March Weather27°C (81°F)59 mm (2.3 inches)89%extreme
April Weather26°C (79°F)80 mm (3.2 inches)88%extreme
May Weather25°C (77°F)29 mm (1.1 inches)85%extreme
June Weather24°C (75°F)20 mm (0.8 inches)85%very high
July Weather23°C (73°F)20 mm (0.8 inches)80%very high
August Weather23°C (74°F)17 mm (0.7 inches)76%extreme
September Weather24°C (76°F)17 mm (0.7 inches)70%extreme
October Weather26°C (79°F)21 mm (0.8 inches)63%extreme
November Weather26°C (79°F)83 mm (3.3 inches)58%extreme
December Weather26°C (79°F)65 mm (2.6 inches)59%extreme

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