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May Weather in Sao Marcos, Brazil

Last updated: August 22, 2025

In Sao Marcos, Brazil, the average temperature in May hovers around 14°C (57°F). Expect chilly moments with a minimum of 0°C (32°F), while the mercury can rise to a maximum of 27°C (81°F). This month brings 178 mm (7.0 in) of precipitation spread over 12 days, contributing to a high average humidity of 88%.

May Temperature in Sao Marcos

In May in Sao Marcos, the average temperature is 14°C (57°F), with maximums reaching up to 27°C (81°F) and minimums dropping as low as 0°C (32°F). This makes it an ideal time for travelers to enjoy a mix of mild days and cooler nights, so be sure to pack layers for your visit.

May Weather in Sao Marcos: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Sao Marcos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Marcos, May typically has an average temperature of 14°C (57°F), with highs reaching up to 27°C (81°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec706967635755535661636568
Data source: Temperature data for Sao Marcos 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 Sao Marcos

In Sao Marcos in May, the precipitation amount is 178 mm (7.0 in) over the course of 12 days.

May Precipitation Trends in Sao Marcos

The chart displays monthly precipitation patterns in Sao Marcos, 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 Sao Marcos, May typically receives around 178 mm (7.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec158144124901781251347815614213998
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sao Marcos

In Sao Marcos in May humidity is 88%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and giving a sense of stickiness that can drain your energy quickly while exploring.

May Average Humidity in Sao Marcos

This chart illustrates the average monthly humidity levels in Sao Marcos, 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 Sao Marcos is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%77%79%83%88%86%82%77%80%84%83%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sao Marcos

In Sao Marcos in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Sao Marcos, you can refer to this Hourly UV Index in Sao Marcos.

Maximum UV Index Levels in Sao Marcos for May

The chart shows the monthly maximum UV Index (UVI) for Sao Marcos 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 Sao Marcos typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141310655710131415
Data source: Sao Marcos 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 Sao Marcos Compares to Other Months

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

This table compares monthly weather conditions in Sao Marcos, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (71°F)158 mm (6.2 inches)80%extreme
February Weather20°C (69°F)144 mm (5.7 inches)77%extreme
March Weather19°C (67°F)124 mm (4.9 inches)79%extreme
April Weather17°C (63°F)90 mm (3.6 inches)83%very high
May Weather14°C (57°F)178 mm (7.0 inches)88%high
June Weather13°C (55°F)125 mm (4.9 inches)86%moderate
July Weather12°C (53°F)134 mm (5.3 inches)82%moderate
August Weather13°C (56°F)78 mm (3.1 inches)77%high
September Weather16°C (61°F)156 mm (6.1 inches)80%very high
October Weather17°C (63°F)142 mm (5.6 inches)84%extreme
November Weather18°C (65°F)139 mm (5.5 inches)83%extreme
December Weather20°C (69°F)98 mm (3.8 inches)87%extreme

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