May Weather in Pirai, Brazil

Last updated: August 22, 2025

In May, the average temperature in Pirai, Brazil is a pleasant 20°C (69°F). However, temperatures can vary significantly, dipping to a minimum of 10°C (50°F) and reaching a maximum of 31°C (88°F). Expect 75 mm (3.0 in) of precipitation spread over 11 days, contributing to an average humidity level of 81%.

May Temperature in Pirai

In May in Pirai, the average temperature is 20°C (69°F). Maximums can reach 31°C (88°F), and minimums can be as low as 10°C (50°F). This moderate climate makes Pirai an ideal destination for travelers seeking pleasant weather and enjoyable outdoor activities.

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

The chart illustrates May temperature patterns in Pirai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pirai, May typically has an average temperature of 20°C (69°F), with highs reaching up to 31°C (88°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec787676726968666671727275
Data source: Temperature data for Pirai 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 Pirai

In Pirai in May, the precipitation amount is 75 mm (3.0 in) over a span of 11 days.

May Precipitation Trends in Pirai

The chart displays monthly precipitation patterns in Pirai, 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 Pirai, May typically receives around 75 mm (3.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec2452462231037541316463134190236
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Pirai

In Pirai in May, humidity is 81%. With an average temperature of 20°C (69°F), this humidity feels like a thick blanket embracing you, making travel a bit uncomfortable and sticky.

May Average Humidity in Pirai

This chart illustrates the average monthly humidity levels in Pirai, 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 Pirai is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%83%81%80%76%73%68%61%72%75%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Pirai

In Pirai 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 Pirai.

Maximum UV Index Levels in Pirai for May

The chart shows the monthly maximum UV Index (UVI) for Pirai 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 Pirai typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151211867911121315
Data source: Pirai 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 Pirai Compares to Other Months

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

This table compares monthly weather conditions in Pirai, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)245 mm (9.6 inches)85%extreme
February Weather24°C (76°F)246 mm (9.7 inches)85%extreme
March Weather24°C (76°F)223 mm (8.8 inches)86%extreme
April Weather22°C (73°F)103 mm (4.1 inches)83%extreme
May Weather20°C (69°F)75 mm (3.0 inches)81%very high
June Weather20°C (68°F)40 mm (1.6 inches)80%high
July Weather19°C (66°F)31 mm (1.2 inches)76%high
August Weather19°C (67°F)64 mm (2.5 inches)73%very high
September Weather22°C (71°F)63 mm (2.5 inches)68%extreme
October Weather22°C (73°F)134 mm (5.3 inches)61%extreme
November Weather22°C (72°F)190 mm (7.5 inches)72%extreme
December Weather24°C (75°F)236 mm (9.3 inches)75%extreme

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