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May Weather in Marinhais, Portugal

Last updated: August 27, 2025

In May, the average temperature in Marinhais, Portugal hovers around 19°C (66°F). Expect a refreshing range where temperatures can dip to a minimum of 7°C (44°F) and soar to a toasty maximum of 37°C (99°F). With an average humidity of 70%, you'll want to be prepared for some tropical vibes. Additionally, anticipate around 36 mm (1.4 in) of precipitation spread over 5 days, adding a little moisture to the mix.

May Temperature in Marinhais

In May in Marinhais, the average temperature is 19°C (66°F). Maximum temperatures can reach 37°C (99°F), while minimums can drop as low as 7°C (44°F). Therefore, travelers should pack for a range of weather conditions, from warm days to cooler evenings.

May Weather in Marinhais: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Marinhais, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marinhais, May typically has an average temperature of 19°C (66°F), with highs reaching up to 37°C (99°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec505456596669737371655753
Data source: Temperature data for Marinhais 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 Marinhais

In Marinhais in May, the precipitation amount is 36 mm (1.4 in) over the course of 5 days.

May Precipitation Trends in Marinhais

The chart displays monthly precipitation patterns in Marinhais, 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 Marinhais, May typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec3149717736114526437751
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Marinhais

In Marinhais in May humidity is 70%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket enveloping you, making travel a bit sticky and prompting frequent breaks for water as you explore the sights.

May Average Humidity in Marinhais

This chart illustrates the average monthly humidity levels in Marinhais, 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 Marinhais is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%75%72%70%70%63%60%60%68%74%83%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Marinhais

In Marinhais 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 Marinhais.

Maximum UV Index Levels in Marinhais for May

The chart shows the monthly maximum UV Index (UVI) for Marinhais 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 Marinhais typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Marinhais 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 Marinhais Compares to Other Months

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

This table compares monthly weather conditions in Marinhais, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)31 mm (1.2 inches)85%moderate
February Weather12°C (54°F)49 mm (1.9 inches)75%moderate
March Weather14°C (57°F)71 mm (2.8 inches)72%high
April Weather15°C (60°F)77 mm (3.0 inches)70%very high
May Weather19°C (66°F)36 mm (1.4 inches)70%very high
June Weather21°C (69°F)11 mm (0.4 inches)63%extreme
July Weather23°C (73°F)4 mm (0.2 inches)60%very high
August Weather23°C (74°F)5 mm (0.2 inches)60%very high
September Weather22°C (72°F)26 mm (1.0 inches)67%very high
October Weather19°C (66°F)43 mm (1.7 inches)74%high
November Weather14°C (57°F)77 mm (3.0 inches)83%moderate
December Weather12°C (53°F)51 mm (2.0 inches)85%moderate

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