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May Weather in Barreiras, Brazil

Last updated: August 22, 2025

In May, the average temperature in Barreiras, Brazil is a delightful 25°C (77°F). Expect a minimum of 12°C (54°F) and a maximum of 35°C (95°F), offering a range of comfortable conditions. During this month, you can anticipate 12 mm (0.5 in) of precipitation spread over 2 days, paired with an average humidity level of 67%. Enjoy the perfect blend of warmth and mild weather!

May Temperature in Barreiras

In May in Barreiras, the average temperature is 25°C (77°F). Maximum can reach 35°C (95°F) and minimum can be as low as 12°C (54°F). This pleasant climate makes Barreiras an ideal destination for travelers seeking both warmth and a comfortable atmosphere.

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

The chart illustrates May temperature patterns in Barreiras, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barreiras, May typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (95°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec787777777675747781837978
Data source: Temperature data for Barreiras 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 Barreiras

In Barreiras in May, the precipitation amount is 12 mm (0.5 in) over the course of 2 days.

May Precipitation Trends in Barreiras

The chart displays monthly precipitation patterns in Barreiras, 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 Barreiras, May typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec911931758512112142158196
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Barreiras

In Barreiras in May, humidity is 67%. With an average temperature of 25°C (77°F), this humidity feels like traveling through a warm, heavy blanket, making outdoor activities feel more strenuous and sticky than usual.

May Average Humidity in Barreiras

This chart illustrates the average monthly humidity levels in Barreiras, 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 Barreiras is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%89%91%84%67%54%48%44%37%29%35%56%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Barreiras

In Barreiras in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Barreiras.

Maximum UV Index Levels in Barreiras for May

The chart shows the monthly maximum UV Index (UVI) for Barreiras 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 Barreiras typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161515141210101213151516
Data source: Barreiras 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 Barreiras Compares to Other Months

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

This table compares monthly weather conditions in Barreiras, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)91 mm (3.6 inches)84%extreme
February Weather25°C (77°F)193 mm (7.6 inches)89%extreme
March Weather25°C (77°F)175 mm (6.9 inches)91%extreme
April Weather25°C (77°F)85 mm (3.3 inches)84%extreme
May Weather25°C (77°F)12 mm (0.5 inches)67%extreme
June Weather24°C (75°F)1 mm (0.0 inches)54%very high
July Weather23°C (74°F)1 mm (0.0 inches)48%very high
August Weather25°C (77°F)2 mm (0.1 inches)44%extreme
September Weather27°C (81°F)1 mm (0.0 inches)37%extreme
October Weather28°C (83°F)42 mm (1.6 inches)29%extreme
November Weather26°C (79°F)158 mm (6.2 inches)35%extreme
December Weather25°C (78°F)196 mm (7.7 inches)56%extreme

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