March Weather in Alter do Chao, Portugal

Last updated: August 27, 2025

In Alter do Chao, Portugal, the average temperature in March reaches a comfortable 13°C (55°F). However, be prepared for temperature variations; it can dip as low as 1°C (35°F) or rise to a pleasant 27°C (81°F). Expect about 92 mm (3.6 in) of precipitation over 9 days, coupled with an average humidity level of 72%.

March Temperature in Alter do Chao

In March in Alter do Chao, the average temperature is 13°C (55°F). The maximum can reach 27°C (81°F), and the minimum can be as low as 1°C (35°F). Be prepared for a mix of warm and cool weather, making it ideal for exploring the area's attractions comfortably.

March Weather in Alter do Chao: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Alter do Chao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alter do Chao, March typically has an average temperature of 13°C (55°F), with highs reaching up to 27°C (81°F) and lows dropping to around 1°C (35°F).

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

March Precipitation in Alter do Chao

In Alter do Chao in March, the precipitation amount is 92 mm (3.6 in) during 9 days, indicating a relatively wet period for the region.

March Precipitation Trends in Alter do Chao

The chart displays monthly precipitation patterns in Alter do Chao, 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 Alter do Chao, March typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 9 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 Alter do Chao

In Alter do Chao in March humidity is 72%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket wrapping around you, making outdoor exploration somewhat uncomfortable and prompting travelers to seek shade or indoor activities more often.

March Average Humidity in Alter do Chao

This chart illustrates the average monthly humidity levels in Alter do Chao, 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 Alter do Chao 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 Alter do Chao

In Alter do Chao 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 Alter do Chao, you can refer to this Hourly UV Index in Alter do Chao.

Maximum UV Index Levels in Alter do Chao for March

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

Data source: Alter do Chao 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 Alter do Chao Compares to Other Months

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

This table compares monthly weather conditions in Alter do Chao, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	40 mm (1.6 inches)	85%	moderate
February Weather	11°C (53°F)	52 mm (2.0 inches)	75%	moderate
March Weather	13°C (55°F)	92 mm (3.6 inches)	72%	high
April Weather	15°C (59°F)	84 mm (3.3 inches)	70%	very high
May Weather	19°C (66°F)	37 mm (1.4 inches)	70%	very high
June Weather	21°C (70°F)	14 mm (0.6 inches)	63%	extreme
July Weather	24°C (75°F)	4 mm (0.2 inches)	60%	very high
August Weather	24°C (76°F)	5 mm (0.2 inches)	60%	very high
September Weather	22°C (73°F)	29 mm (1.1 inches)	67%	very high
October Weather	18°C (65°F)	52 mm (2.1 inches)	74%	high
November Weather	13°C (55°F)	80 mm (3.2 inches)	83%	moderate
December Weather	11°C (52°F)	73 mm (2.9 inches)	85%	moderate