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May Weather in Rio Formoso, Brazil

Last updated: August 22, 2025

In May, the average temperature in Rio Formoso, Brazil is a pleasant 26°C (78°F). Expect to feel a comfortable range, with minimums dropping to 21°C (70°F) and maximums rising to a warm 32°C (90°F). However, be prepared for some rain, as 132 mm (5.2 in) of precipitation may fall over 24 days, contributing to an average humidity of 90%. Stay hydrated and enjoy the warmth!

May Temperature in Rio Formoso

In May in Rio Formoso, the average temperature is 26°C (78°F), with maximums reaching 32°C (90°F) and minimums dropping to as low as 21°C (70°F). This pleasant weather makes it an ideal time for outdoor activities and exploring the local attractions.

May Weather in Rio Formoso: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Rio Formoso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Formoso, May typically has an average temperature of 26°C (78°F), with highs reaching up to 32°C (90°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181807876757576788080
Data source: Temperature data for Rio Formoso 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 Rio Formoso

In Rio Formoso in May, the precipitation amount is 132 mm (5.2 in) over a period of 24 days.

May Precipitation Trends in Rio Formoso

The chart displays monthly precipitation patterns in Rio Formoso, 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 Rio Formoso, May typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec53671121141321501299160434546
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rio Formoso

In Rio Formoso 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 Rio Formoso

This chart illustrates the average monthly humidity levels in Rio Formoso, 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 Rio Formoso is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%87%88%89%90%89%86%84%79%74%71%72%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rio Formoso

In Rio Formoso 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 Rio Formoso.

Maximum UV Index Levels in Rio Formoso for May

The chart shows the monthly maximum UV Index (UVI) for Rio Formoso 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 Rio Formoso typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141414141211111213131414
Data source: Rio Formoso 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 Rio Formoso Compares to Other Months

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

This table compares monthly weather conditions in Rio Formoso, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)53 mm (2.1 inches)84%extreme
February Weather27°C (81°F)67 mm (2.6 inches)87%extreme
March Weather27°C (81°F)112 mm (4.4 inches)88%extreme
April Weather26°C (80°F)114 mm (4.5 inches)89%extreme
May Weather26°C (78°F)132 mm (5.2 inches)90%extreme
June Weather25°C (77°F)150 mm (5.9 inches)89%extreme
July Weather24°C (75°F)129 mm (5.1 inches)86%extreme
August Weather24°C (75°F)91 mm (3.6 inches)84%extreme
September Weather25°C (77°F)60 mm (2.4 inches)79%extreme
October Weather26°C (79°F)43 mm (1.7 inches)74%extreme
November Weather27°C (80°F)45 mm (1.8 inches)71%extreme
December Weather27°C (81°F)46 mm (1.8 inches)72%extreme

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