July Weather in Castelo, Brazil

Last updated: August 22, 2025

In July, the average temperature in Castelo, Brazil is a pleasant 18°C (64°F), with minimums dipping to 8°C (47°F) and reaching highs of 30°C (86°F). Expect 18 mm (0.7 in) of precipitation spread over 6 days, and enjoy a comfortable average humidity of 79%.

July Temperature in Castelo

In July in Castelo, the average temperature is 18°C (64°F). The maximum can reach 30°C (86°F) while the minimum can be as low as 8°C (47°F). This makes it a pleasant time to visit Castelo, perfect for outdoor activities and exploring the local attractions.

July Weather in Castelo: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Castelo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castelo, July typically has an average temperature of 18°C (64°F), with highs reaching up to 30°C (86°F) and lows dropping to around 8°C (47°F).

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

July Precipitation in Castelo

In Castelo in July, the precipitation amount is 18 mm (0.7 in) over the course of 6 days.

July Precipitation Trends in Castelo

The chart displays monthly precipitation patterns in Castelo, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Castelo, July typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 6 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Castelo

In Castelo in July, humidity is 79%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace that can make outdoor activities more challenging but also creates a lush, vibrant atmosphere that's perfect for exploring local culture and scenery.

July Average Humidity in Castelo

This chart illustrates the average monthly humidity levels in Castelo, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Castelo is approximately 79%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Castelo

In Castelo in July, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Castelo.

Maximum UV Index Levels in Castelo for July

The chart shows the monthly maximum UV Index (UVI) for Castelo in July, 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 July, the maximum UV index in Castelo typically reaches 8, which falls under the very high exposure category.

Data source: Castelo July 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 July Weather in Castelo Compares to Other Months

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

This table compares monthly weather conditions in Castelo, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	86 mm (3.4 inches)	80%	extreme
February Weather	24°C (75°F)	176 mm (6.9 inches)	85%	extreme
March Weather	23°C (74°F)	131 mm (5.1 inches)	86%	extreme
April Weather	22°C (71°F)	76 mm (3.0 inches)	85%	extreme
May Weather	20°C (68°F)	46 mm (1.8 inches)	82%	very high
June Weather	19°C (67°F)	24 mm (1.0 inches)	81%	high
July Weather	18°C (64°F)	18 mm (0.7 inches)	79%	very high
August Weather	18°C (65°F)	33 mm (1.3 inches)	75%	very high
September Weather	21°C (70°F)	50 mm (2.0 inches)	72%	extreme
October Weather	22°C (72°F)	114 mm (4.5 inches)	66%	extreme
November Weather	22°C (71°F)	167 mm (6.6 inches)	69%	extreme
December Weather	23°C (74°F)	175 mm (6.9 inches)	72%	extreme