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May Weather in Arroio Grande, Brazil

Last updated: August 22, 2025

In Arroio Grande, Brazil, the average temperature in May hovers around 16°C (61°F). Expect a range with minimums dipping to 5°C (41°F) and maximums soaring to 29°C (85°F). Be prepared for some wet days, as 88 mm (3.5 in) of precipitation falls over about 9 days, coupled with a high average humidity of 87%.

May Temperature in Arroio Grande

In May in Arroio Grande, the average temperature is 16°C (61°F). Maximum temperatures can reach 29°C (85°F), while minimums can drop to as low as 5°C (41°F). This variability makes it a great time for travelers to enjoy a mix of mild days and cooler evenings.

May Weather in Arroio Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Arroio Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arroio Grande, May typically has an average temperature of 16°C (61°F), with highs reaching up to 29°C (85°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec757472686157555761646872
Data source: Temperature data for Arroio Grande 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 Arroio Grande

In Arroio Grande in May, the precipitation amount is 88 mm (3.5 in) over the course of 9 days.

May Precipitation Trends in Arroio Grande

The chart displays monthly precipitation patterns in Arroio Grande, 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 Arroio Grande, May typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec135987479881011121191531358073
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Arroio Grande

In Arroio Grande in May humidity is 87%. With an average temperature of 16°C (61°F), this humidity feels like a heavy blanket wrapping around you, making outdoor exploration sticky and uncomfortable, while also adding a thickness to the air that can sap your energy and enthusiasm for sightseeing.

May Average Humidity in Arroio Grande

This chart illustrates the average monthly humidity levels in Arroio Grande, 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 Arroio Grande 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 Arroio Grande

In Arroio Grande 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 Arroio Grande.

Maximum UV Index Levels in Arroio Grande for May

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

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

This table compares monthly weather conditions in Arroio Grande, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)135 mm (5.3 inches)71%extreme
February Weather23°C (74°F)98 mm (3.9 inches)74%extreme
March Weather22°C (72°F)74 mm (2.9 inches)76%extreme
April Weather20°C (68°F)79 mm (3.1 inches)81%very high
May Weather16°C (61°F)88 mm (3.5 inches)87%moderate
June Weather14°C (57°F)101 mm (4.0 inches)86%moderate
July Weather13°C (55°F)112 mm (4.4 inches)81%moderate
August Weather14°C (57°F)119 mm (4.7 inches)78%high
September Weather16°C (61°F)153 mm (6.0 inches)82%very high
October Weather18°C (64°F)135 mm (5.3 inches)82%extreme
November Weather20°C (69°F)80 mm (3.1 inches)79%extreme
December Weather22°C (72°F)72 mm (2.9 inches)77%extreme

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