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April Weather in Arroio Grande, Brazil

Last updated: August 22, 2025

In April, the average temperature in Arroio Grande, Brazil hovers around 20°C (68°F). Expect a range from a cool 9°C (49°F) to a warm 32°C (90°F). Be prepared for some rain, as the area sees about 79 mm (3.1 in) of precipitation over 9 days. With an average humidity of 81%, the air can feel quite moist—perfect for those who love a lush environment!

April Temperature in Arroio Grande

In April in Arroio Grande, the average temperature is 20°C (68°F). Maximums can reach 32°C (90°F) and minimums can be as low as 9°C (49°F). This makes it a pleasant time for travelers seeking mild weather for outdoor activities and exploration.

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

The chart illustrates April 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, April typically has an average temperature of 20°C (68°F), with highs reaching up to 32°C (90°F) and lows dropping to around 9°C (49°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.

April Precipitation in Arroio Grande

In Arroio Grande in April, the precipitation amount is 79 mm (3.1 in) spread over 9 days.

April Precipitation Trends in Arroio Grande

The chart displays monthly precipitation patterns in Arroio Grande, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Arroio Grande, April typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec135987479881011121191531358073
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Arroio Grande

In Arroio Grande in April humidity is 81%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace that can make outdoor activities feel steamy and exhausting, potentially leading travelers to seek shade or a refreshing drink more often.

April Average Humidity in Arroio Grande

This chart illustrates the average monthly humidity levels in Arroio Grande, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Arroio Grande is approximately 81%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Arroio Grande

In Arroio Grande in April, 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 Arroio Grande.

Maximum UV Index Levels in Arroio Grande for April

The chart shows the monthly maximum UV Index (UVI) for Arroio Grande in April, 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 April, the maximum UV index in Arroio Grande typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141312854469111314
Data source: Arroio Grande April 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 April 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 April’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 April’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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