April Weather in Castelo do Piaui, Brazil

Last updated: August 22, 2025

In April, the average temperature in Castelo do Piaui, Brazil is a warm 27°C (80°F). However, you may experience a minimum of 21°C (70°F) and a maximum of 34°C (93°F). It's worth noting that this month sees precipitation levels averaging 177 mm (7.0 in) over approximately 19 days, coupled with a high average humidity of 93%.

April Temperature in Castelo do Piaui

In April in Castelo do Piaui, the average temperature is 27°C (80°F). The maximum can reach 34°C (93°F), and the minimum can be as low as 21°C (70°F). This makes it an ideal time for travelers seeking warm and pleasant weather for outdoor activities.

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

The chart illustrates April 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, April typically has an average temperature of 27°C (80°F), with highs reaching up to 34°C (93°F) and lows dropping to around 21°C (70°F).

Data source: Temperature data for Castelo do Piaui generated using information from the Copernicus Climate Change Service.

April Precipitation in Castelo do Piaui

In Castelo do Piaui in April, the total precipitation amount is 177 mm (7.0 in) over the course of 19 days.

April Precipitation Trends in Castelo do Piaui

The chart displays monthly precipitation patterns in Castelo do Piaui, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Castelo do Piaui, April typically receives around 177 mm (7.0 inches) of precipitation spread over approximately 19 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Castelo do Piaui

In Castelo do Piaui in April 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.

April Average Humidity in Castelo do Piaui

This chart illustrates the average monthly humidity levels in Castelo do Piaui, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Castelo do Piaui is approximately 93%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Castelo do Piaui

In Castelo do Piaui in April, 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 April

The chart shows the monthly maximum UV Index (UVI) for Castelo do Piaui in April, 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 April, the maximum UV index in Castelo do Piaui typically reaches 15, which falls under the extreme exposure category.

Data source: Castelo do Piaui April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (83°F)	116 mm (4.6 inches)	90%	extreme
February Weather	27°C (81°F)	263 mm (10.4 inches)	91%	extreme
March Weather	27°C (80°F)	298 mm (11.7 inches)	93%	extreme
April Weather	27°C (80°F)	177 mm (7.0 inches)	93%	extreme
May Weather	27°C (82°F)	42 mm (1.7 inches)	88%	extreme
June Weather	28°C (83°F)	3 mm (0.1 inches)	75%	extreme
July Weather	28°C (83°F)	7 mm (0.3 inches)	55%	extreme
August Weather	30°C (86°F)	1 mm (0.0 inches)	46%	extreme
September Weather	31°C (88°F)	1 mm (0.0 inches)	41%	extreme
October Weather	31°C (89°F)	7 mm (0.3 inches)	38%	extreme
November Weather	31°C (88°F)	20 mm (0.8 inches)	43%	extreme
December Weather	30°C (86°F)	38 mm (1.5 inches)	67%	extreme