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May Weather in Arruda dos Vinhos, Portugal

Last updated: August 27, 2025

In May, the average temperature in Arruda dos Vinhos, Portugal is a pleasant 18°C (65°F). Expect comfortable days with highs reaching up to 36°C (97°F), while the nights can cool down to a minimum of 8°C (46°F). During this period, you can anticipate about 42 mm (1.6 in) of precipitation spread over 5 days, coupled with an average humidity of 70%.

May Temperature in Arruda dos Vinhos

In May in Arruda dos Vinhos, the average temperature is 18°C (65°F). Maximum temperatures can reach 36°C (97°F), while the minimum can drop to as low as 8°C (46°F). Be prepared for fluctuating temperatures during your travels, making it essential to pack accordingly.

May Weather in Arruda dos Vinhos: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Arruda dos Vinhos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arruda dos Vinhos, May typically has an average temperature of 18°C (65°F), with highs reaching up to 36°C (97°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec505456596467707170655753
Data source: Temperature data for Arruda dos Vinhos 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 Arruda dos Vinhos

In Arruda dos Vinhos in May, the precipitation amount is 42 mm (1.6 in) over a period of 5 days.

May Precipitation Trends in Arruda dos Vinhos

The chart displays monthly precipitation patterns in Arruda dos Vinhos, 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 Arruda dos Vinhos, May typically receives around 42 mm (1.6 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec3752738442125429478460
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Arruda dos Vinhos

In Arruda dos Vinhos in May humidity is 70%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making it quite comfortable for traveling, though it can leave you feeling slightly sticky if you're on the move for too long.

May Average Humidity in Arruda dos Vinhos

This chart illustrates the average monthly humidity levels in Arruda dos Vinhos, 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 Arruda dos Vinhos 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 Arruda dos Vinhos

In Arruda dos Vinhos 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 Arruda dos Vinhos.

Maximum UV Index Levels in Arruda dos Vinhos for May

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

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

This table compares monthly weather conditions in Arruda dos Vinhos, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)37 mm (1.4 inches)85%moderate
February Weather12°C (54°F)52 mm (2.1 inches)75%moderate
March Weather13°C (56°F)73 mm (2.9 inches)72%high
April Weather15°C (59°F)83 mm (3.3 inches)70%very high
May Weather18°C (65°F)42 mm (1.6 inches)70%very high
June Weather19°C (67°F)12 mm (0.5 inches)63%extreme
July Weather21°C (71°F)5 mm (0.2 inches)60%very high
August Weather22°C (72°F)4 mm (0.2 inches)60%very high
September Weather21°C (70°F)29 mm (1.1 inches)67%very high
October Weather18°C (65°F)47 mm (1.9 inches)74%high
November Weather14°C (57°F)84 mm (3.3 inches)83%moderate
December Weather12°C (54°F)60 mm (2.4 inches)85%moderate

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