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May Weather in Barcelos, Brazil

Last updated: August 22, 2025

In Barcelos, Brazil, the average temperature in May typically hovers around 26°C (79°F). During this time, you can expect minimum temperatures of 22°C (72°F) and peaks reaching 33°C (91°F). Rain is frequent, with an average precipitation of 430 mm (16.9 in) spread over 29 days, contributing to a notably high average humidity of 88%.

May Temperature in Barcelos

In May in Barcelos, the average temperature is 26°C (79°F), with maximums reaching 33°C (91°F) and minimums dropping as low as 22°C (72°F). This climate makes it an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates May temperature patterns in Barcelos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barcelos, May typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (91°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec808080797979798081818179
Data source: Temperature data for Barcelos 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 Barcelos

In Barcelos in May, the total precipitation amount is 430 mm (16.9 in) over the span of 29 days.

May Precipitation Trends in Barcelos

The chart displays monthly precipitation patterns in Barcelos, 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 Barcelos, May typically receives around 430 mm (16.9 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec183120266353430258219132197172243257
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Barcelos

In Barcelos in May, humidity is 88%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapped around you, making travel somewhat uncomfortable as you quickly become aware of the stickiness and heaviness in the air.

May Average Humidity in Barcelos

This chart illustrates the average monthly humidity levels in Barcelos, 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 Barcelos is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%52%52%71%89%86%77%66%53%32%43%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Barcelos

In Barcelos in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Barcelos, you can check here.

Maximum UV Index Levels in Barcelos for May

The chart shows the monthly maximum UV Index (UVI) for Barcelos 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 Barcelos typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141616161412111213141313
Data source: Barcelos 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 Barcelos Compares to Other Months

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

This table compares monthly weather conditions in Barcelos, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)183 mm (7.2 inches)71%extreme
February Weather27°C (81°F)120 mm (4.7 inches)52%extreme
March Weather27°C (80°F)266 mm (10.5 inches)52%extreme
April Weather26°C (79°F)353 mm (13.9 inches)71%extreme
May Weather26°C (79°F)430 mm (16.9 inches)88%extreme
June Weather26°C (79°F)258 mm (10.2 inches)86%extreme
July Weather26°C (79°F)219 mm (8.6 inches)77%extreme
August Weather27°C (81°F)132 mm (5.2 inches)65%extreme
September Weather27°C (81°F)197 mm (7.8 inches)53%extreme
October Weather27°C (81°F)172 mm (6.8 inches)32%extreme
November Weather27°C (81°F)243 mm (9.5 inches)43%extreme
December Weather26°C (80°F)257 mm (10.1 inches)79%extreme

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