March Weather in Castelo Branco, Portugal

Last updated: August 27, 2025

In March, the average temperature in Castelo Branco, Portugal hovers around 12°C (54°F), with lows dipping to 1°C (35°F) and highs reaching up to 27°C (80°F). Expect a precipitation amount of 78 mm (3.1 in) across approximately 8 days, while the average humidity levels sit comfortably at 72%.

March Temperature in Castelo Branco

In March in Castelo Branco, the average temperature is 12°C (54°F). Maximum temperatures can reach 27°C (80°F), while minimums can drop as low as 1°C (35°F). Be prepared for a mix of mild and cool weather, making it a great time for outdoor exploration and layered clothing.

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

The chart illustrates March temperature patterns in Castelo Branco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castelo Branco, March typically has an average temperature of 12°C (54°F), with highs reaching up to 27°C (80°F) and lows dropping to around 1°C (35°F).

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

March Precipitation in Castelo Branco

In Castelo Branco in March, the total precipitation amount is 78 mm (3.1 in) over the course of 8 days.

March Precipitation Trends in Castelo Branco

The chart displays monthly precipitation patterns in Castelo Branco, 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 Branco, March typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 8 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 Branco

In Castelo Branco in March, humidity is 72%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that wraps around you, making outdoor excursions a bit uncomfortable. You may find yourself reaching for an extra layer as the moisture in the air adds to the coolness, prompting travelers to seek out sheltered spots to enjoy the scenery.

March Average Humidity in Castelo Branco

This chart illustrates the average monthly humidity levels in Castelo Branco, 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 Branco is approximately 72%, 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 Branco

In Castelo Branco in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Castelo Branco, you can refer to this Hourly UV Index in Castelo Branco.

Maximum UV Index Levels in Castelo Branco for March

The chart shows the monthly maximum UV Index (UVI) for Castelo Branco 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 Branco typically reaches 6, which falls under the high exposure category.

Data source: Castelo Branco 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 Branco Compares to Other Months

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

This table compares monthly weather conditions in Castelo Branco, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	33 mm (1.3 inches)	85%	moderate
February Weather	11°C (52°F)	50 mm (2.0 inches)	75%	moderate
March Weather	12°C (54°F)	78 mm (3.1 inches)	72%	high
April Weather	15°C (58°F)	75 mm (2.9 inches)	70%	very high
May Weather	19°C (67°F)	29 mm (1.2 inches)	70%	very high
June Weather	22°C (72°F)	12 mm (0.5 inches)	63%	extreme
July Weather	25°C (77°F)	3 mm (0.1 inches)	60%	very high
August Weather	25°C (78°F)	3 mm (0.1 inches)	60%	very high
September Weather	23°C (73°F)	33 mm (1.3 inches)	67%	very high
October Weather	18°C (65°F)	53 mm (2.1 inches)	74%	high
November Weather	12°C (54°F)	76 mm (3.0 inches)	83%	moderate
December Weather	10°C (50°F)	65 mm (2.6 inches)	85%	moderate