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April Weather in Grajau, Brazil

Last updated: August 22, 2025

In April, the average temperature in Grajau, Brazil hovers around a warm 27°C (80°F). Expect a comfortable minimum of 21°C (70°F), while the peaks can reach up to 34°C (93°F). However, be prepared for some rain, as 146 mm (5.8 in) of precipitation often falls over 22 days. With an average humidity level of 94%, the atmosphere is quite humid, adding to the tropical feel of the season.

April Temperature in Grajau

In April in Grajau, the average temperature is 27°C (80°F). The maximum can reach 34°C (93°F), and the minimum can be as low as 21°C (70°F). This makes it an ideal time for travelers seeking warm and pleasant weather for outdoor activities.

April Weather in Grajau: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Grajau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grajau, April typically has an average temperature of 27°C (80°F), with highs reaching up to 34°C (93°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979808181818284848281
Data source: Temperature data for Grajau 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 Grajau

In Grajau in April, the total precipitation amount is 146 mm (5.8 in), which occurs over a span of 22 days.

April Precipitation Trends in Grajau

The chart displays monthly precipitation patterns in Grajau, 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 Grajau, April typically receives around 146 mm (5.8 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec1222141931464554293688124
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Grajau

In Grajau in April, humidity is 94%. With an average temperature of 27°C (80°F), this humidity feels like a thick blanket wrapping around you, making travel slow and sticky, and leaving you yearning for a cool breeze.

April Average Humidity in Grajau

This chart illustrates the average monthly humidity levels in Grajau, 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 Grajau is approximately 94%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%91%94%89%80%66%53%46%45%53%83%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Grajau

In Grajau in April, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Grajau.

Maximum UV Index Levels in Grajau for April

The chart shows the monthly maximum UV Index (UVI) for Grajau 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 Grajau typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151515151311111213131414
Data source: Grajau 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 Grajau Compares to Other Months

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

This table compares monthly weather conditions in Grajau, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)122 mm (4.8 inches)91%extreme
February Weather26°C (80°F)214 mm (8.4 inches)91%extreme
March Weather26°C (79°F)193 mm (7.6 inches)91%extreme
April Weather27°C (80°F)146 mm (5.8 inches)94%extreme
May Weather27°C (81°F)45 mm (1.8 inches)89%extreme
June Weather27°C (81°F)4 mm (0.2 inches)80%extreme
July Weather27°C (81°F)3 mm (0.1 inches)66%extreme
August Weather28°C (83°F)2 mm (0.1 inches)53%extreme
September Weather29°C (84°F)9 mm (0.4 inches)46%extreme
October Weather29°C (84°F)36 mm (1.4 inches)45%extreme
November Weather28°C (82°F)88 mm (3.4 inches)53%extreme
December Weather27°C (82°F)124 mm (4.9 inches)82%extreme

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