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March Weather in Custoias, Portugal

Last updated: August 27, 2025

In March, the average temperature in Custoias, Portugal hovers around a cool 10°C (50°F). You'll experience a range where the minimum dips to a brisk -1°C (30°F) and the maximum can reach a pleasant 25°C (77°F). Expect about 64 mm (2.5 in) of precipitation spread over 8 days, accompanied by an average humidity of 79%, making the climate feel refreshing yet slightly damp.

March Temperature in Custoias

In March in Custoias, the average temperature is 10°C (50°F), with maximums reaching 25°C (77°F) and minimums dipping as low as -1°C (30°F). This makes it an ideal time for travelers to enjoy a range of outdoor activities, from cozy strolls to invigorating hikes.

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

The chart illustrates March temperature patterns in Custoias, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Custoias, March typically has an average temperature of 10°C (50°F), with highs reaching up to 25°C (77°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec424750546267727266594946
Data source: Temperature data for Custoias generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Custoias

In Custoias in March, the precipitation amount is 64 mm (2.5 in) over the course of 8 days.

March Precipitation Trends in Custoias

The chart displays monthly precipitation patterns in Custoias, 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 Custoias, March typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec285964702933141031506570
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Custoias

In Custoias in March humidity is 79%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less inviting and requiring layered clothing to stay comfortable while traveling.

March Average Humidity in Custoias

This chart illustrates the average monthly humidity levels in Custoias, 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 Custoias is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%85%79%77%76%64%54%52%63%78%90%91%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Custoias

In Custoias 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 Custoias, you can refer to this Hourly UV Index in Custoias.

Maximum UV Index Levels in Custoias for March

The chart shows the monthly maximum UV Index (UVI) for Custoias 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 Custoias typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34699111098642
Data source: Custoias 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 Custoias Compares to Other Months

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

This table compares monthly weather conditions in Custoias, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)28 mm (1.1 inches)91%moderate
February Weather9°C (48°F)59 mm (2.3 inches)85%moderate
March Weather10°C (50°F)64 mm (2.5 inches)79%high
April Weather12°C (55°F)70 mm (2.7 inches)77%very high
May Weather17°C (62°F)29 mm (1.2 inches)76%very high
June Weather19°C (67°F)33 mm (1.3 inches)64%extreme
July Weather22°C (72°F)14 mm (0.6 inches)54%very high
August Weather22°C (72°F)10 mm (0.4 inches)52%very high
September Weather19°C (67°F)31 mm (1.2 inches)63%very high
October Weather15°C (59°F)50 mm (2.0 inches)78%high
November Weather10°C (50°F)65 mm (2.6 inches)90%moderate
December Weather8°C (46°F)70 mm (2.8 inches)91%low

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