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May Weather in Montanhas, Brazil

Last updated: August 22, 2025

In May, the average temperature in Montanhas, Brazil reaches a pleasant 26°C (78°F). Expect lows of 21°C (70°F) and highs of 31°C (89°F), perfect for enjoying the local scenery. However, be prepared for 115 mm (4.5 in) of rain over 23 days, contributing to an average humidity of 90%. Whether you’re exploring or relaxing, make sure to stay hydrated and embrace the tropical vibe!

May Temperature in Montanhas

In May in Montanhas, the average temperature is 26°C (78°F). Maximums can reach 31°C (89°F), while minimums can be as low as 21°C (70°F). Overall, it's a warm and pleasant time to visit, so be sure to pack accordingly for enjoyable outdoor activities.

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

The chart illustrates May temperature patterns in Montanhas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montanhas, May typically has an average temperature of 26°C (78°F), with highs reaching up to 31°C (89°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec808180797877757677798080
Data source: Temperature data for Montanhas 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 Montanhas

In Montanhas in May, the precipitation amount is 115 mm (4.5 in), occurring over a span of 23 days.

May Precipitation Trends in Montanhas

The chart displays monthly precipitation patterns in Montanhas, 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 Montanhas, May typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec4895137124115931143533272741
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Montanhas

In Montanhas in May humidity is 90%. With an average temperature of 26°C (78°F), this humidity feels like a suffocating blanket that sticks to your skin, making even the simplest outdoor activities feel exhausting and draining.

May Average Humidity in Montanhas

This chart illustrates the average monthly humidity levels in Montanhas, 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 Montanhas is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%89%90%89%90%86%80%77%72%68%66%70%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Montanhas

In Montanhas 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 Montanhas.

Maximum UV Index Levels in Montanhas for May

The chart shows the monthly maximum UV Index (UVI) for Montanhas 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 Montanhas typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415141211111213131414
Data source: Montanhas 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 Montanhas Compares to Other Months

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

This table compares monthly weather conditions in Montanhas, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)48 mm (1.9 inches)86%extreme
February Weather27°C (81°F)95 mm (3.7 inches)89%extreme
March Weather27°C (80°F)136 mm (5.4 inches)89%extreme
April Weather26°C (80°F)124 mm (4.9 inches)89%extreme
May Weather26°C (78°F)115 mm (4.5 inches)90%extreme
June Weather25°C (77°F)93 mm (3.7 inches)86%extreme
July Weather24°C (76°F)114 mm (4.5 inches)80%extreme
August Weather24°C (76°F)35 mm (1.4 inches)77%extreme
September Weather25°C (77°F)33 mm (1.3 inches)72%extreme
October Weather26°C (79°F)27 mm (1.1 inches)68%extreme
November Weather27°C (80°F)27 mm (1.0 inches)66%extreme
December Weather27°C (81°F)41 mm (1.6 inches)70%extreme

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