March Weather in Castelo, Brazil

Last updated: August 22, 2025

In Castelo, Brazil, the average temperature in March hovers around 23°C (74°F), offering a pleasant climate. Expect minimums of 14°C (57°F) and maximums reaching 33°C (92°F). During this month, the region experiences an average precipitation of 131 mm (5.1 in) over 16 days, contributing to a notably high humidity level of 86%.

March Temperature in Castelo

In March in Castelo, the average temperature is 23°C (74°F). The maximum can reach 33°C (92°F), while the minimum can be as low as 14°C (57°F). This pleasant weather makes it an ideal time to explore the outdoors and enjoy various activities in Castelo.

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

The chart illustrates March 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, March typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (92°F) and lows dropping to around 14°C (57°F).

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

March Precipitation in Castelo

In Castelo in March, the total precipitation amount is 131 mm (5.1 in) over a span of 16 days.

March Precipitation Trends in Castelo

The chart displays monthly precipitation patterns in Castelo, 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, March typically receives around 131 mm (5.1 inches) of precipitation spread over approximately 16 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Castelo

In Castelo in March, humidity is 86%. With an average temperature of 23°C (74°F), this humidity feels like you're stepping into a warm embrace, making travel a bit sticky yet invigorating, as the air wraps around you, inviting you to explore while reminding you to stay hydrated.

March Average Humidity in Castelo

This chart illustrates the average monthly humidity levels in Castelo, 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 is approximately 86%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Castelo

In Castelo in March, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Castelo, you can check here.

Maximum UV Index Levels in Castelo for March

The chart shows the monthly maximum UV Index (UVI) for Castelo 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 typically reaches 14, which falls under the extreme exposure category.

Data source: Castelo 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 Compares to Other Months

Weather in Castelo varies notably across the year, with each month offering distinct climate conditions. This page compares March’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 March’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