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May Weather in Biguacu, Brazil

Last updated: August 22, 2025

In May, the average temperature in Biguacu, Brazil reaches a pleasant 18°C (64°F). However, temperatures can vary significantly, with a minimum of 5°C (42°F) and a maximum of 31°C (88°F). Rainfall also plays a role during this month, with 115 mm (4.5 in) of precipitation expected over approximately 13 days. Additionally, the average humidity sits at a notable 86%, making for a quite humid climate overall.

May Temperature in Biguacu

In May in Biguacu, the average temperature is 18°C (64°F). The maximum can reach 31°C (88°F), while the minimum can be as low as 5°C (42°F). This makes Biguacu a great destination for travelers looking to enjoy moderate weather with possibilities for both warm and cooler days.

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

The chart illustrates May temperature patterns in Biguacu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Biguacu, May typically has an average temperature of 18°C (64°F), with highs reaching up to 31°C (88°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec757473696461596165676973
Data source: Temperature data for Biguacu 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 Biguacu

In Biguacu in May, the precipitation amount is 115 mm (4.5 in) spread over 13 days.

May Precipitation Trends in Biguacu

The chart displays monthly precipitation patterns in Biguacu, 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 Biguacu, May typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec225179155881151134268103146129190
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Biguacu

In Biguacu in May humidity is 86%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel slightly uncomfortable as the air becomes thick and sticky, often leading to clammy skin and a constant need for hydration.

May Average Humidity in Biguacu

This chart illustrates the average monthly humidity levels in Biguacu, 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 Biguacu is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%83%85%85%86%85%80%79%82%82%86%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Biguacu

In Biguacu in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Biguacu.

Maximum UV Index Levels in Biguacu for May

The chart shows the monthly maximum UV Index (UVI) for Biguacu 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 Biguacu typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210755810131415
Data source: Biguacu 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 Biguacu Compares to Other Months

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

This table compares monthly weather conditions in Biguacu, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)225 mm (8.8 inches)86%extreme
February Weather23°C (74°F)179 mm (7.1 inches)83%extreme
March Weather23°C (73°F)155 mm (6.1 inches)85%extreme
April Weather20°C (69°F)87 mm (3.4 inches)85%very high
May Weather18°C (64°F)115 mm (4.5 inches)86%high
June Weather16°C (62°F)113 mm (4.5 inches)85%moderate
July Weather15°C (60°F)42 mm (1.7 inches)80%moderate
August Weather16°C (61°F)68 mm (2.7 inches)79%very high
September Weather18°C (65°F)103 mm (4.1 inches)82%very high
October Weather20°C (67°F)146 mm (5.7 inches)82%extreme
November Weather21°C (69°F)129 mm (5.1 inches)86%extreme
December Weather23°C (73°F)190 mm (7.5 inches)88%extreme

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