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May Weather in Marinha Grande, Portugal

Last updated: August 27, 2025

In May, the average temperature in Marinha Grande, Portugal hovers around 16°C (62°F), with a refreshing minimum of 9°C (49°F) and a warm maximum of 29°C (84°F). Expect about 54 mm (2.1 in) of precipitation spread across 6 days, contributing to an average humidity level of 70%. Enjoy the blend of warmth and occasional showers that this month brings!

May Temperature in Marinha Grande

In May in Marinha Grande, the average temperature is 16°C (62°F). The maximum can reach 29°C (84°F), while the minimum can be as low as 9°C (49°F). It’s an ideal time for traveling, as the mild weather allows for a comfortable exploration of the area.

May Weather in Marinha Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Marinha Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marinha Grande, May typically has an average temperature of 16°C (62°F), with highs reaching up to 29°C (84°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec525455576163666666635755
Data source: Temperature data for Marinha Grande 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 Marinha Grande

In Marinha Grande in May, the total precipitation amount is 54 mm (2.1 in) over the course of 6 days.

May Precipitation Trends in Marinha Grande

The chart displays monthly precipitation patterns in Marinha Grande, 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 Marinha Grande, May typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec6071971015526109288211294
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Marinha Grande

In Marinha Grande in May, humidity is 70%. With an average temperature of 16°C (62°F), this humidity feels like a cool, damp blanket wrapping around you, making outdoor activities a bit uncomfortable and prompting travelers to seek shade or indoor attractions to avoid the sticky air.

May Average Humidity in Marinha Grande

This chart illustrates the average monthly humidity levels in Marinha Grande, 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 Marinha Grande 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 Marinha Grande

In Marinha Grande in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Marinha Grande.

Maximum UV Index Levels in Marinha Grande for May

The chart shows the monthly maximum UV Index (UVI) for Marinha Grande 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 Marinha Grande typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35699111098643
Data source: Marinha Grande 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 Marinha Grande Compares to Other Months

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

This table compares monthly weather conditions in Marinha Grande, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)60 mm (2.4 inches)85%moderate
February Weather12°C (55°F)71 mm (2.8 inches)75%moderate
March Weather13°C (56°F)97 mm (3.8 inches)72%high
April Weather14°C (58°F)101 mm (4.0 inches)70%very high
May Weather16°C (62°F)54 mm (2.1 inches)70%very high
June Weather17°C (63°F)26 mm (1.0 inches)63%extreme
July Weather19°C (66°F)10 mm (0.4 inches)60%very high
August Weather19°C (66°F)9 mm (0.3 inches)60%very high
September Weather19°C (66°F)28 mm (1.1 inches)67%very high
October Weather17°C (63°F)82 mm (3.2 inches)74%high
November Weather14°C (58°F)112 mm (4.4 inches)83%moderate
December Weather13°C (55°F)94 mm (3.7 inches)85%moderate

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