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May Weather in Rio Casca, Brazil

Last updated: August 22, 2025

In May, the average temperature in Rio Casca, Brazil is a pleasant 21°C (70°F). During this time, temperatures can range from a cool 7°C (44°F) to a warm 31°C (88°F). Expect about 39 mm (1.5 in) of precipitation spread over 4 days, contributing to an average humidity of 82%.

May Temperature in Rio Casca

In May in Rio Casca, the average temperature is 21°C (70°F). The maximum can reach 31°C (88°F) and the minimum can be as low as 7°C (44°F). This comfortable climate makes Rio Casca an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates May temperature patterns in Rio Casca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Casca, May typically has an average temperature of 21°C (70°F), with highs reaching up to 31°C (88°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec787777747069676873757576
Data source: Temperature data for Rio Casca 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 Casca

In Rio Casca in May, the precipitation amount is 39 mm (1.5 in) spread over a period of 4 days.

May Precipitation Trends in Rio Casca

The chart displays monthly precipitation patterns in Rio Casca, 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 Casca, May typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec981901215739741821117155163
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rio Casca

In Rio Casca in May, humidity is 82%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort for travelers, making outdoor activities less enjoyable and requiring frequent breaks for hydration.

May Average Humidity in Rio Casca

This chart illustrates the average monthly humidity levels in Rio Casca, 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 Casca is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%85%88%86%82%82%77%72%63%48%61%68%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rio Casca

In Rio Casca in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Rio Casca.

Maximum UV Index Levels in Rio Casca for May

The chart shows the monthly maximum UV Index (UVI) for Rio Casca 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 Casca typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161514129781012131416
Data source: Rio Casca 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 Casca Compares to Other Months

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

This table compares monthly weather conditions in Rio Casca, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)98 mm (3.9 inches)83%extreme
February Weather25°C (77°F)190 mm (7.5 inches)85%extreme
March Weather25°C (77°F)121 mm (4.8 inches)87%extreme
April Weather23°C (74°F)57 mm (2.3 inches)86%extreme
May Weather21°C (70°F)39 mm (1.5 inches)82%very high
June Weather20°C (69°F)7 mm (0.3 inches)82%high
July Weather19°C (67°F)4 mm (0.1 inches)77%very high
August Weather20°C (69°F)18 mm (0.7 inches)72%very high
September Weather23°C (74°F)21 mm (0.8 inches)63%extreme
October Weather24°C (76°F)116 mm (4.6 inches)48%extreme
November Weather24°C (75°F)155 mm (6.1 inches)61%extreme
December Weather25°C (76°F)163 mm (6.4 inches)68%extreme

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