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May Weather in Santo Antonio, Brazil

Last updated: August 22, 2025

In May, the average temperature in Santo Antonio, Brazil hovers around 26°C (79°F), providing a warm and inviting atmosphere. The temperature can dip to a comfortable 21°C (70°F) at times, while reaching a maximum of 33°C (92°F) on hotter days. Expect 79 mm (3.1 in) of precipitation spread over 15 days, contributing to a lush, green landscape. With an average humidity of 90%, prepare for a tropical experience that feels both vibrant and alive.

May Temperature in Santo Antonio

In May, in Santo Antonio, the average temperature is 26°C (79°F). The maximum can reach 33°C (92°F) and the minimum can be as low as 21°C (70°F). This pleasant climate makes Santo Antonio an ideal destination for travelers seeking warm weather and outdoor activities.

May Weather in Santo Antonio: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Santo Antonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo Antonio, May typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (92°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181807977767778808181
Data source: Temperature data for Santo Antonio 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 Santo Antonio

In Santo Antonio in May, the precipitation amount is 79 mm (3.1 in) spread over 15 days.

May Precipitation Trends in Santo Antonio

The chart displays monthly precipitation patterns in Santo Antonio, 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 Santo Antonio, May typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec3781119937955761414151526
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Santo Antonio

In Santo Antonio in May, humidity is 90%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket wrapping around you, making travel feel sticky and draining, while every step requires extra effort in the sweltering embrace of the moist air.

May Average Humidity in Santo Antonio

This chart illustrates the average monthly humidity levels in Santo Antonio, 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 Santo Antonio is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%89%90%89%90%86%80%77%72%68%66%70%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Santo Antonio

In Santo Antonio in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Santo Antonio.

Maximum UV Index Levels in Santo Antonio for May

The chart shows the monthly maximum UV Index (UVI) for Santo Antonio 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 Santo Antonio typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415141311111213131414
Data source: Santo Antonio 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 Santo Antonio Compares to Other Months

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

This table compares monthly weather conditions in Santo Antonio, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)37 mm (1.5 inches)86%extreme
February Weather27°C (81°F)81 mm (3.2 inches)89%extreme
March Weather27°C (81°F)119 mm (4.7 inches)89%extreme
April Weather27°C (80°F)93 mm (3.7 inches)89%extreme
May Weather26°C (79°F)79 mm (3.1 inches)90%extreme
June Weather25°C (78°F)55 mm (2.2 inches)86%extreme
July Weather24°C (76°F)76 mm (3.0 inches)80%extreme
August Weather25°C (77°F)14 mm (0.6 inches)77%extreme
September Weather26°C (78°F)14 mm (0.6 inches)72%extreme
October Weather27°C (80°F)15 mm (0.6 inches)68%extreme
November Weather27°C (81°F)15 mm (0.6 inches)66%extreme
December Weather27°C (82°F)26 mm (1.0 inches)70%extreme

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