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March Weather in Santo Antonio, Brazil

Last updated: August 22, 2025

In March, the average temperature in Santo Antonio, Brazil hovers around 27°C (81°F), making for a pleasantly warm climate. Expect minimum temperatures to dip to 22°C (72°F) and highs reaching up to 34°C (93°F). However, be prepared for some rain as 119 mm (4.7 in) of precipitation can fall over the course of 22 days. With an average humidity of 89%, the air will feel quite muggy, so dress accordingly!

March Temperature in Santo Antonio

In March in Santo Antonio, the average temperature is 27°C (81°F). Maximum temperatures can reach 34°C (93°F), while the minimum can drop to as low as 22°C (72°F). Overall, this makes Santo Antonio a warm and pleasant destination, perfect for travelers looking to enjoy the sun.

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

The chart illustrates March 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, March typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (93°F) and lows dropping to around 22°C (72°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.

March Precipitation in Santo Antonio

In Santo Antonio in March, the total precipitation amounts to 119 mm (4.7 in) spread over 22 days.

March Precipitation Trends in Santo Antonio

The chart displays monthly precipitation patterns in Santo Antonio, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Santo Antonio, March typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec3781119937955761414151526
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Santo Antonio

In Santo Antonio in March humidity is 89%. With an average temperature of 27°C (81°F), this humidity feels like a wet blanket enveloping you, making outdoor activities challenging and travel a little less comfortable.

March Average Humidity in Santo Antonio

This chart illustrates the average monthly humidity levels in Santo Antonio, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Santo Antonio is approximately 89%, 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in Santo Antonio

In Santo Antonio in March, 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 Santo Antonio.

Maximum UV Index Levels in Santo Antonio for March

The chart shows the monthly maximum UV Index (UVI) for Santo Antonio in March, 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 March, the maximum UV index in Santo Antonio typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415141311111213131414
Data source: Santo Antonio March 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 March 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 March’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 March’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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