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May Weather in Rosais, Portugal

Last updated: August 27, 2025

In May, the average temperature in Rosais, Portugal hovers around 16°C (62°F). Expect a comfortable range, with minimums dipping to 11°C (53°F) and maximums reaching 19°C (67°F). However, be prepared for some moisture, as 58 mm (2.3 in) of precipitation is likely over 10 days, accompanied by high humidity at 83%.

May Temperature in Rosais

In May in Rosais, the average temperature is 16°C (62°F), with a maximum reaching 19°C (67°F) and a minimum dropping to as low as 11°C (53°F). It's a pleasant time to visit, ideal for outdoor activities and exploring the local sights.

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

The chart illustrates May temperature patterns in Rosais, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosais, 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 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec605959596265697271686462
Data source: Temperature data for Rosais 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 Rosais

In Rosais in May, the total precipitation amount is 58 mm (2.3 in), measured over a span of 10 days.

May Precipitation Trends in Rosais

The chart displays monthly precipitation patterns in Rosais, 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 Rosais, May typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec84775675584028525175122103
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rosais

In Rosais 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 Rosais

This chart illustrates the average monthly humidity levels in Rosais, 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 Rosais is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%85%85%83%85%86%83%83%79%80%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rosais

In Rosais 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 Rosais.

Maximum UV Index Levels in Rosais for May

The chart shows the monthly maximum UV Index (UVI) for Rosais 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 Rosais typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578101110109743
Data source: Rosais 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 Rosais Compares to Other Months

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

This table compares monthly weather conditions in Rosais, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)84 mm (3.3 inches)84%moderate
February Weather15°C (59°F)77 mm (3.0 inches)83%moderate
March Weather15°C (59°F)56 mm (2.2 inches)85%high
April Weather15°C (60°F)75 mm (2.9 inches)85%very high
May Weather16°C (62°F)58 mm (2.3 inches)83%very high
June Weather19°C (66°F)40 mm (1.6 inches)85%extreme
July Weather21°C (70°F)28 mm (1.1 inches)86%very high
August Weather22°C (72°F)51 mm (2.0 inches)83%very high
September Weather22°C (71°F)51 mm (2.0 inches)83%very high
October Weather20°C (68°F)75 mm (2.9 inches)79%high
November Weather18°C (65°F)122 mm (4.8 inches)80%moderate
December Weather17°C (62°F)103 mm (4.1 inches)85%moderate

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