nomadseason

March Weather in Santa Helena, Brazil

Last updated: August 22, 2025

In Santa Helena, Brazil, the average temperature in March hovers around 26°C (79°F). Expect a delightful range where the minimum dips to 22°C (72°F) and the maximum peaks at 33°C (91°F). Be prepared for some rain, with an average precipitation of 413 mm (16.3 in) over the course of the month and an average humidity level of 88%.

March Temperature in Santa Helena

In March in Santa Helena, the average temperature is 26°C (79°F), with maximums reaching 33°C (91°F) and minimums dropping as low as 22°C (72°F). This climate makes it an ideal destination for travelers seeking pleasant weather.

March Weather in Santa Helena: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Santa Helena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Helena, March typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (91°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec807979798080798081828282
Data source: Temperature data for Santa Helena generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Santa Helena

In Santa Helena in March, the precipitation amount is 413 mm (16.3 in) over the course of 30 days.

March Precipitation Trends in Santa Helena

The chart displays monthly precipitation patterns in Santa Helena, 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 Santa Helena, March typically receives around 413 mm (16.3 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec1863714134162511408846263157102
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Santa Helena

In Santa Helena in March, humidity is 88%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapped around you, making travel somewhat uncomfortable as you quickly become aware of the stickiness and heaviness in the air.

March Average Humidity in Santa Helena

This chart illustrates the average monthly humidity levels in Santa Helena, 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 Santa Helena is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%93%91%84%74%61%55%56%61%82%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Santa Helena

In Santa Helena in March, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Santa Helena.

Maximum UV Index Levels in Santa Helena for March

The chart shows the monthly maximum UV Index (UVI) for Santa Helena 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 Santa Helena typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151416161312111313131313
Data source: Santa Helena 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 Santa Helena Compares to Other Months

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

This table compares monthly weather conditions in Santa Helena, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)186 mm (7.3 inches)92%extreme
February Weather26°C (80°F)371 mm (14.6 inches)90%extreme
March Weather26°C (79°F)413 mm (16.3 inches)88%extreme
April Weather26°C (80°F)416 mm (16.4 inches)93%extreme
May Weather27°C (80°F)251 mm (9.9 inches)91%extreme
June Weather27°C (80°F)140 mm (5.5 inches)84%extreme
July Weather26°C (80°F)88 mm (3.5 inches)74%extreme
August Weather27°C (80°F)46 mm (1.8 inches)61%extreme
September Weather27°C (82°F)26 mm (1.0 inches)55%extreme
October Weather28°C (83°F)31 mm (1.2 inches)56%extreme
November Weather28°C (83°F)57 mm (2.2 inches)61%extreme
December Weather28°C (82°F)102 mm (4.0 inches)82%extreme

Compare Santa Helena's Climate with Cities Worldwide