March Weather in Castelo do Piaui, Brazil

Last updated: August 22, 2025

In Castelo do Piaui, Brazil, the average temperature for March reaches a warm 27°C (80°F), with minimums dipping to 21°C (71°F) and maximums soaring up to 35°C (96°F). This month also sees significant rainfall, with an average precipitation of 298 mm (11.7 in) spread over 23 days, contributing to an average humidity of a sticky 93%.

March Temperature in Castelo do Piaui

In March in Castelo do Piaui, the average temperature is 27°C (80°F). Maximums can reach 35°C (96°F) and minimums can be as low as 21°C (71°F). This pleasant climate makes Castelo do Piaui an ideal destination for travelers seeking warm and enjoyable weather.

March Weather in Castelo do Piaui: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Castelo do Piaui, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castelo do Piaui, March typically has an average temperature of 27°C (80°F), with highs reaching up to 35°C (96°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec828180808183838687888886
Data source: Temperature data for Castelo do Piaui 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 Castelo do Piaui

In Castelo do Piaui in March, the precipitation amount is 298 mm (11.7 in) over the course of 23 days.

March Precipitation Trends in Castelo do Piaui

The chart displays monthly precipitation patterns in Castelo do Piaui, 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 Castelo do Piaui, March typically receives around 298 mm (11.7 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec11626329817742371172039
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Castelo do Piaui

In Castelo do Piaui in March humidity is 93%. With an average temperature of 27°C (80°F), this humidity feels like a thick, suffocating blanket that clings to your skin, making every step feel laborious and draining for travelers.

March Average Humidity in Castelo do Piaui

This chart illustrates the average monthly humidity levels in Castelo do Piaui, 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 Castelo do Piaui is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%91%93%93%88%75%56%46%41%39%43%67%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Castelo do Piaui

In Castelo do Piaui 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 Castelo do Piaui.

Maximum UV Index Levels in Castelo do Piaui for March

The chart shows the monthly maximum UV Index (UVI) for Castelo do Piaui 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 Castelo do Piaui typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415151311111313131414
Data source: Castelo do Piaui 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 Castelo do Piaui Compares to Other Months

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

This table compares monthly weather conditions in Castelo do Piaui, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (83°F)116 mm (4.6 inches)90%extreme
February Weather27°C (81°F)263 mm (10.4 inches)91%extreme
March Weather27°C (80°F)298 mm (11.7 inches)93%extreme
April Weather27°C (80°F)177 mm (7.0 inches)93%extreme
May Weather27°C (82°F)42 mm (1.7 inches)88%extreme
June Weather28°C (83°F)3 mm (0.1 inches)75%extreme
July Weather28°C (83°F)7 mm (0.3 inches)55%extreme
August Weather30°C (86°F)1 mm (0.0 inches)46%extreme
September Weather31°C (88°F)1 mm (0.0 inches)41%extreme
October Weather31°C (89°F)7 mm (0.3 inches)38%extreme
November Weather31°C (88°F)20 mm (0.8 inches)43%extreme
December Weather30°C (86°F)38 mm (1.5 inches)67%extreme

Compare Castelo do Piaui's Climate with Cities Worldwide