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May Weather in Sao Mateus, Brazil

Last updated: August 22, 2025

In Sao Mateus, Brazil, the average temperature in May hovers around 24°C (76°F), creating a pleasantly warm atmosphere. Expect a minimum of 18°C (65°F) and a maximum of 29°C (85°F), offering comfortable, sun-soaked days. However, be prepared for some rain, as 81 mm (3.2 in) of precipitation can occur over 16 days. With an average humidity of 79%, it's perfect for enjoying the lush surroundings while staying hydrated!

May Temperature in Sao Mateus

In May in Sao Mateus, the average temperature is 24°C (76°F), with maximums reaching up to 29°C (85°F) and minimums dropping to as low as 18°C (65°F). This makes it an ideal time for travelers to enjoy pleasant weather while exploring the area.

May Weather in Sao Mateus: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Sao Mateus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Mateus, May typically has an average temperature of 24°C (76°F), with highs reaching up to 29°C (85°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979787674727274767778
Data source: Temperature data for Sao Mateus 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 Sao Mateus

In Sao Mateus in May, the precipitation amount is 81 mm (3.2 in), falling over the course of 16 days.

May Precipitation Trends in Sao Mateus

The chart displays monthly precipitation patterns in Sao Mateus, 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 Sao Mateus, May typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec74115112998153486460135180246
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sao Mateus

In Sao Mateus in May, humidity is 79%. With an average temperature of 24°C (76°F), this humidity feels like a thick blanket wrapped around you, making traveling somewhat uncomfortable and sticky, as you navigate through the warmth while constantly seeking shade and hydration.

May Average Humidity in Sao Mateus

This chart illustrates the average monthly humidity levels in Sao Mateus, 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 Sao Mateus is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%82%82%81%79%76%77%77%78%78%80%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sao Mateus

In Sao Mateus in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sao Mateus.

Maximum UV Index Levels in Sao Mateus for May

The chart shows the monthly maximum UV Index (UVI) for Sao Mateus 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 Sao Mateus typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151513129781012141515
Data source: Sao Mateus 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 Sao Mateus Compares to Other Months

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

This table compares monthly weather conditions in Sao Mateus, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)74 mm (2.9 inches)81%extreme
February Weather26°C (80°F)115 mm (4.5 inches)82%extreme
March Weather26°C (80°F)112 mm (4.4 inches)82%extreme
April Weather25°C (78°F)99 mm (3.9 inches)81%extreme
May Weather24°C (76°F)81 mm (3.2 inches)79%very high
June Weather23°C (74°F)53 mm (2.1 inches)76%high
July Weather22°C (73°F)48 mm (1.9 inches)77%very high
August Weather22°C (73°F)64 mm (2.5 inches)77%very high
September Weather24°C (75°F)60 mm (2.4 inches)77%extreme
October Weather25°C (77°F)135 mm (5.3 inches)78%extreme
November Weather25°C (77°F)179 mm (7.1 inches)80%extreme
December Weather26°C (78°F)246 mm (9.7 inches)80%extreme

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