August Weather in Castelo do Piaui, Brazil

Last updated: August 22, 2025

In Castelo do Piaui, Brazil, the average temperature in August reaches a warm 30°C (86°F), with nighttime lows dipping to 21°C (69°F) and daytime highs soaring up to 37°C (100°F). Expect little to no rain, with a minimal precipitation amount of 1 mm (0.0 in) over 0 days. The atmosphere remains comfortable, with an average humidity of 46%.

August Temperature in Castelo do Piaui

In August in Castelo do Piaui, the average temperature is 30°C (86°F), with maximums reaching up to 37°C (100°F) and minimums dropping to as low as 21°C (69°F). This warm weather makes Castelo do Piaui an ideal destination for travelers seeking sunny adventures.

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

The chart illustrates August 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, August typically has an average temperature of 30°C (86°F), with highs reaching up to 37°C (100°F) and lows dropping to around 21°C (69°F).

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

August Precipitation in Castelo do Piaui

In Castelo do Piaui in August, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

August Precipitation Trends in Castelo do Piaui

The chart displays monthly precipitation patterns in Castelo do Piaui, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Castelo do Piaui, August typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Castelo do Piaui

In Castelo do Piaui in August, humidity is 46%. With an average temperature of 30°C (86°F), this humidity feels like a warm embrace; it's comfortable for traveling but can become slightly sticky during the day, encouraging you to stay hydrated and seek shade whenever possible.

August Average Humidity in Castelo do Piaui

This chart illustrates the average monthly humidity levels in Castelo do Piaui, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Castelo do Piaui is approximately 46%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Castelo do Piaui

In Castelo do Piaui in August, 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 Castelo do Piaui.

Maximum UV Index Levels in Castelo do Piaui for August

The chart shows the monthly maximum UV Index (UVI) for Castelo do Piaui in August, 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 August, the maximum UV index in Castelo do Piaui typically reaches 13, which falls under the extreme exposure category.

Data source: Castelo do Piaui August 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 August 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 August’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 August’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