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May Weather in Sao Borja, Brazil

Last updated: August 22, 2025

In Sao Borja, Brazil, the average temperature in May is a comfortable 18°C (64°F). However, be prepared for a range, as temperatures can dip to a chilly 5°C (42°F) and soar up to a warm 32°C (89°F). During this month, expect about 170 mm (6.7 in) of precipitation spread over 10 days, contributing to a high average humidity of 82%.

May Temperature in Sao Borja

In May in Sao Borja, the average temperature is 18°C (64°F). Maximums can reach 32°C (89°F) and minimums can be as low as 5°C (42°F). This is an ideal time for travelers who enjoy mild weather and are prepared for occasional fluctuations in temperature.

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

The chart illustrates May temperature patterns in Sao Borja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Borja, May typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (89°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec807975716461596267717578
Data source: Temperature data for Sao Borja 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 Borja

In Sao Borja in May, the total precipitation amount is 170 mm (6.7 in) over the course of 10 days.

May Precipitation Trends in Sao Borja

The chart displays monthly precipitation patterns in Sao Borja, 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 Borja, May typically receives around 170 mm (6.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec16663161132170101727712814312882
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sao Borja

In Sao Borja in May humidity is 82%. With an average temperature of 18°C (64°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel stifling, leaving travelers drenched in sweat and longing for respite in the shade.

May Average Humidity in Sao Borja

This chart illustrates the average monthly humidity levels in Sao Borja, 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 Borja is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%66%73%81%83%77%69%51%59%63%66%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sao Borja

In Sao Borja 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 Borja, you can refer to this Hourly UV Index in Sao Borja.

Maximum UV Index Levels in Sao Borja for May

The chart shows the monthly maximum UV Index (UVI) for Sao Borja 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 Borja typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412965579131414
Data source: Sao Borja 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 Borja Compares to Other Months

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

This table compares monthly weather conditions in Sao Borja, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)166 mm (6.5 inches)70%extreme
February Weather26°C (79°F)63 mm (2.5 inches)66%extreme
March Weather24°C (76°F)160 mm (6.3 inches)73%extreme
April Weather21°C (71°F)132 mm (5.2 inches)81%very high
May Weather18°C (64°F)170 mm (6.7 inches)82%high
June Weather16°C (61°F)101 mm (4.0 inches)77%moderate
July Weather15°C (59°F)72 mm (2.8 inches)69%moderate
August Weather17°C (62°F)76 mm (3.0 inches)51%high
September Weather19°C (67°F)128 mm (5.0 inches)59%very high
October Weather22°C (71°F)143 mm (5.6 inches)63%extreme
November Weather24°C (75°F)128 mm (5.0 inches)66%extreme
December Weather26°C (79°F)82 mm (3.2 inches)81%extreme

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