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May Weather in Porto Martins, Portugal

Last updated: August 27, 2025

In May, the average temperature in Porto Martins, Portugal hovers around 16°C (62°F), with lows dipping to 12°C (53°F) and highs reaching 19°C (67°F). Expect 51 mm (2.0 in) of precipitation spread over 9 days, accompanied by an average humidity of 83%. Ideal for a cozy getaway, the weather invites you to explore!

May Temperature in Porto Martins

In May in Porto Martins, the average temperature is 16°C (62°F). Maximum temperatures can reach 19°C (67°F), while minimums can drop to as low as 12°C (53°F). This mild climate makes Porto Martins an ideal destination for travelers looking to enjoy pleasant weather and outdoor activities.

May Weather in Porto Martins: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Porto Martins, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porto Martins, May typically has an average temperature of 16°C (62°F), with highs reaching up to 19°C (67°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec615959596265697271686462
Data source: Temperature data for Porto Martins 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.

May Precipitation in Porto Martins

In Porto Martins in May, the total precipitation amount is 51 mm (2.0 in) spread over 9 days.

May Precipitation Trends in Porto Martins

The chart displays monthly precipitation patterns in Porto Martins, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Porto Martins, May typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec78785077513920454583106122
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Porto Martins

In Porto Martins in May humidity is 83%. With an average temperature of 16°C (62°F), this humidity feels like a warm, sticky embrace that can make traveling feel a bit heavy, leaving you longing for refreshing breezes and shaded spots to relax in.

May Average Humidity in Porto Martins

This chart illustrates the average monthly humidity levels in Porto Martins, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Porto Martins is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%84%84%83%84%86%82%82%79%80%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Porto Martins

In Porto Martins in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Porto Martins.

Maximum UV Index Levels in Porto Martins for May

The chart shows the monthly maximum UV Index (UVI) for Porto Martins in May, 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 May, the maximum UV index in Porto Martins typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109743
Data source: Porto Martins May 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 May Weather in Porto Martins Compares to Other Months

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

This table compares monthly weather conditions in Porto Martins, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)78 mm (3.1 inches)84%moderate
February Weather15°C (59°F)78 mm (3.1 inches)83%moderate
March Weather15°C (59°F)49 mm (1.9 inches)84%high
April Weather15°C (60°F)77 mm (3.0 inches)84%very high
May Weather16°C (62°F)51 mm (2.0 inches)83%very high
June Weather18°C (66°F)39 mm (1.5 inches)84%extreme
July Weather21°C (70°F)20 mm (0.8 inches)86%very high
August Weather22°C (72°F)45 mm (1.8 inches)82%very high
September Weather22°C (71°F)45 mm (1.8 inches)82%very high
October Weather20°C (69°F)83 mm (3.3 inches)79%high
November Weather18°C (65°F)106 mm (4.2 inches)80%moderate
December Weather17°C (63°F)122 mm (4.8 inches)85%moderate

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