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May Weather in Agua Longa, Portugal

Last updated: August 27, 2025

In Agua Longa, Portugal, the average temperature in May hovers around 17°C (63°F). Expect nighttime lows of 6°C (43°F) and daytime highs reaching up to 30°C (87°F). While you enjoy the mild weather, be prepared for some rain, as 81 mm (3.2 in) of precipitation typically falls over about 9 days. With an average humidity of 78%, it's a perfect time to explore the charm of Agua Longa!

May Temperature in Agua Longa

In May, in Agua Longa, the average temperature is 17°C (63°F). The maximum can reach 30°C (87°F), while the minimum can drop to as low as 6°C (43°F). This makes Agua Longa an ideal destination for travelers seeking a mild climate and the opportunity to enjoy a variety of outdoor activities.

May Weather in Agua Longa: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Agua Longa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Agua Longa, May typically has an average temperature of 17°C (63°F), with highs reaching up to 30°C (87°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec495254576365707068625552
Data source: Temperature data for Agua Longa 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 Agua Longa

In Agua Longa in May, the precipitation amount is 81 mm (3.2 in) spread over a duration of 9 days.

May Precipitation Trends in Agua Longa

The chart displays monthly precipitation patterns in Agua Longa, 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 Agua Longa, May typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec911381411468150231939121156187
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Agua Longa

In Agua Longa in May, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.

May Average Humidity in Agua Longa

This chart illustrates the average monthly humidity levels in Agua Longa, 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 Agua Longa is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%79%78%71%63%64%71%79%86%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Agua Longa

In Agua Longa 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 Agua Longa.

Maximum UV Index Levels in Agua Longa for May

The chart shows the monthly maximum UV Index (UVI) for Agua Longa 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 Agua Longa typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689111098642
Data source: Agua Longa 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 Agua Longa Compares to Other Months

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

This table compares monthly weather conditions in Agua Longa, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)91 mm (3.6 inches)87%low
February Weather11°C (52°F)138 mm (5.4 inches)81%moderate
March Weather12°C (54°F)141 mm (5.6 inches)78%high
April Weather14°C (58°F)146 mm (5.7 inches)79%very high
May Weather17°C (63°F)81 mm (3.2 inches)78%very high
June Weather18°C (66°F)50 mm (2.0 inches)71%extreme
July Weather21°C (70°F)23 mm (0.9 inches)63%very high
August Weather21°C (70°F)19 mm (0.7 inches)64%very high
September Weather20°C (68°F)39 mm (1.5 inches)71%very high
October Weather17°C (62°F)121 mm (4.8 inches)79%high
November Weather13°C (55°F)156 mm (6.1 inches)86%moderate
December Weather11°C (52°F)187 mm (7.4 inches)87%low

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