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May Weather in Rio Branco, Uruguay

Last updated: August 28, 2025

In May, the average temperature in Rio Branco, Uruguay hovers around 15°C (60°F), with a minimum of 2°C (36°F) and a maximum that can reach up to 31°C (89°F). Expect precipitation totaling 83 mm (3.3 in) over approximately 8 days, alongside an average humidity of 87%, creating a moist and pleasant atmosphere.

May Temperature in Rio Branco

In May in Rio Branco, the average temperature is 15°C (60°F). Maximums can reach 31°C (89°F), while minimums can drop to as low as 2°C (36°F). This range makes Rio Branco a great destination for travelers seeking a mix of warm and cool weather.

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

The chart illustrates May temperature patterns in Rio Branco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Branco, May typically has an average temperature of 15°C (60°F), with highs reaching up to 31°C (89°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec767471676056545660646972
Data source: Temperature data for Rio Branco 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 Branco

In Rio Branco in May, the precipitation amount reaches 83 mm (3.3 in) over the course of 8 days.

May Precipitation Trends in Rio Branco

The chart displays monthly precipitation patterns in Rio Branco, 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 Branco, May typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec130103717883100961171511357367
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rio Branco

In Rio Branco in May humidity is 87%. With an average temperature of 15°C (60°F), this humidity feels like you're wrapped in a damp blanket, making it a challenge for travelers to stay comfortable and energetic.

May Average Humidity in Rio Branco

This chart illustrates the average monthly humidity levels in Rio Branco, 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 Branco is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%74%76%82%87%86%81%78%82%82%79%77%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rio Branco

In Rio Branco in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Rio Branco.

Maximum UV Index Levels in Rio Branco for May

The chart shows the monthly maximum UV Index (UVI) for Rio Branco 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 Branco typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141312854469111314
Data source: Rio Branco 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 Branco Compares to Other Months

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

This table compares monthly weather conditions in Rio Branco, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)130 mm (5.1 inches)71%extreme
February Weather23°C (74°F)103 mm (4.0 inches)74%extreme
March Weather22°C (71°F)71 mm (2.8 inches)76%extreme
April Weather20°C (67°F)78 mm (3.1 inches)81%very high
May Weather15°C (60°F)83 mm (3.3 inches)87%moderate
June Weather13°C (57°F)100 mm (3.9 inches)86%moderate
July Weather12°C (55°F)96 mm (3.8 inches)81%moderate
August Weather13°C (56°F)117 mm (4.6 inches)78%high
September Weather16°C (60°F)151 mm (5.9 inches)82%very high
October Weather18°C (64°F)135 mm (5.3 inches)82%extreme
November Weather20°C (69°F)73 mm (2.9 inches)79%extreme
December Weather22°C (73°F)67 mm (2.6 inches)77%extreme

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