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May Weather in Cascavel, Brazil

Last updated: August 22, 2025

In May, the average temperature in Cascavel, Brazil hovers around 18°C (64°F), with a range that can dip to a cool 4°C (40°F) and soar to a warm 30°C (87°F). Expect about 130 mm (5.1 in) of precipitation over 10 days, contributing to an average humidity of 75%. Whether you're planning outdoor activities or indoor relaxation, be prepared for a mix of weather conditions!

May Temperature in Cascavel

In May, in Cascavel, the average temperature is 18°C (64°F), with maximums reaching up to 30°C (87°F) and minimums dropping as low as 4°C (40°F). This range makes it an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Cascavel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cascavel, May typically has an average temperature of 18°C (64°F), with highs reaching up to 30°C (87°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec757473696462616472727375
Data source: Temperature data for Cascavel 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 Cascavel

In Cascavel in May, the precipitation amount is 130 mm (5.1 in) over a period of 10 days.

May Precipitation Trends in Cascavel

The chart displays monthly precipitation patterns in Cascavel, 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 Cascavel, May typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec17313713277130136318979189116167
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Cascavel

In Cascavel in May, humidity is 75%. With an average temperature of 18°C (64°F), this humidity feels like a warm blanket enveloping you, making your travels a bit sticky and requiring frequent breaks in the shade to stay comfortable.

May Average Humidity in Cascavel

This chart illustrates the average monthly humidity levels in Cascavel, 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 Cascavel is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%75%74%75%70%61%49%52%55%73%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Cascavel

In Cascavel in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Cascavel.

Maximum UV Index Levels in Cascavel for May

The chart shows the monthly maximum UV Index (UVI) for Cascavel 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 Cascavel typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151311867911141515
Data source: Cascavel 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 Cascavel Compares to Other Months

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

This table compares monthly weather conditions in Cascavel, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)173 mm (6.8 inches)82%extreme
February Weather23°C (74°F)137 mm (5.4 inches)79%extreme
March Weather23°C (74°F)132 mm (5.2 inches)75%extreme
April Weather21°C (69°F)77 mm (3.0 inches)74%extreme
May Weather18°C (64°F)130 mm (5.1 inches)75%very high
June Weather17°C (63°F)136 mm (5.3 inches)70%high
July Weather16°C (62°F)31 mm (1.2 inches)61%high
August Weather18°C (65°F)89 mm (3.5 inches)49%very high
September Weather22°C (72°F)79 mm (3.1 inches)52%extreme
October Weather22°C (72°F)189 mm (7.4 inches)55%extreme
November Weather23°C (73°F)116 mm (4.6 inches)73%extreme
December Weather24°C (75°F)167 mm (6.6 inches)85%extreme

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