March Weather in Seixal, Portugal

Last updated: August 27, 2025

In March, the average temperature in Seixal, Portugal hovers around 14°C (58°F), with minimums dipping to 8°C (47°F) and maximums reaching 24°C (76°F). Expect some precipitation, with about 52 mm (2.1 in) falling over 9 days, contributing to an average humidity of 78%.

March Temperature in Seixal

In March in Seixal, the average temperature is 14°C (58°F). The maximum can reach 24°C (76°F), while the minimum can drop as low as 8°C (47°F). This climate is ideal for travelers looking to enjoy milder weather and comfortable outdoor activities.

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

The chart illustrates March temperature patterns in Seixal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seixal, March typically has an average temperature of 14°C (58°F), with highs reaching up to 24°C (76°F) and lows dropping to around 8°C (47°F).

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

March Precipitation in Seixal

In Seixal in March, the total precipitation amount is 52 mm (2.1 in) over the course of 9 days.

March Precipitation Trends in Seixal

The chart displays monthly precipitation patterns in Seixal, 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 Seixal, March typically receives around 52 mm (2.1 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 Seixal

In Seixal in March, humidity is 78%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat more than usual while exploring.

March Average Humidity in Seixal

This chart illustrates the average monthly humidity levels in Seixal, 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 Seixal is approximately 78%, 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 Seixal

In Seixal in March, 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 Seixal.

Maximum UV Index Levels in Seixal for March

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

Data source: Seixal 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 Seixal Compares to Other Months

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

This table compares monthly weather conditions in Seixal, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (59°F)	38 mm (1.5 inches)	75%	moderate
February Weather	14°C (58°F)	60 mm (2.4 inches)	75%	high
March Weather	14°C (58°F)	52 mm (2.1 inches)	78%	very high
April Weather	15°C (60°F)	56 mm (2.2 inches)	78%	very high
May Weather	17°C (62°F)	23 mm (0.9 inches)	77%	extreme
June Weather	18°C (65°F)	36 mm (1.4 inches)	80%	extreme
July Weather	20°C (68°F)	7 mm (0.3 inches)	83%	extreme
August Weather	21°C (71°F)	8 mm (0.3 inches)	83%	extreme
September Weather	21°C (70°F)	18 mm (0.7 inches)	81%	very high
October Weather	20°C (67°F)	57 mm (2.3 inches)	80%	very high
November Weather	17°C (63°F)	67 mm (2.6 inches)	75%	high
December Weather	16°C (61°F)	58 mm (2.3 inches)	75%	moderate