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May Weather in Fontelo, Portugal

Last updated: August 27, 2025

In Fontelo, Portugal, the average temperature for May hovers around a pleasant 15°C (60°F). Expect lows of 2°C (36°F) and highs reaching up to 30°C (87°F), offering a delightful range for all preferences. During this month, you'll encounter 51 mm (2.0 in) of precipitation over approximately 9 days, with a noteworthy average humidity of 78%. Whether packing for sunshine or a light drizzle, be prepared for a mixed bag of weather!

May Temperature in Fontelo

In May in Fontelo, the average temperature is 15°C (60°F). Maximums can reach 30°C (87°F), while minimums can be as low as 2°C (36°F). Make sure to pack layers to stay comfortable during your travels.

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

The chart illustrates May temperature patterns in Fontelo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fontelo, May typically has an average temperature of 15°C (60°F), with highs reaching up to 30°C (87°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec424749536063696965584845
Data source: Temperature data for Fontelo 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 Fontelo

In Fontelo in May, the total precipitation amount is 51 mm (2.0 in) spread over 9 days.

May Precipitation Trends in Fontelo

The chart displays monthly precipitation patterns in Fontelo, 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 Fontelo, May typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec5598113115514622184279103125
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Fontelo

In Fontelo in May, humidity is 78%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp embrace that can make outdoor activities a bit uncomfortable, highlighting the importance of staying hydrated and taking breaks in the shade while exploring.

May Average Humidity in Fontelo

This chart illustrates the average monthly humidity levels in Fontelo, 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 Fontelo 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 Fontelo

In Fontelo 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 Fontelo.

Maximum UV Index Levels in Fontelo for May

The chart shows the monthly maximum UV Index (UVI) for Fontelo 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 Fontelo typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910111098642
Data source: Fontelo 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 Fontelo Compares to Other Months

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

This table compares monthly weather conditions in Fontelo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)55 mm (2.2 inches)87%moderate
February Weather8°C (47°F)98 mm (3.9 inches)81%moderate
March Weather9°C (49°F)113 mm (4.4 inches)78%high
April Weather12°C (53°F)115 mm (4.5 inches)79%very high
May Weather15°C (60°F)51 mm (2.0 inches)78%very high
June Weather17°C (64°F)46 mm (1.8 inches)71%extreme
July Weather20°C (69°F)22 mm (0.9 inches)63%very high
August Weather20°C (69°F)18 mm (0.7 inches)64%very high
September Weather18°C (65°F)42 mm (1.7 inches)71%very high
October Weather14°C (58°F)78 mm (3.1 inches)79%high
November Weather9°C (49°F)103 mm (4.1 inches)86%moderate
December Weather7°C (45°F)125 mm (4.9 inches)87%low

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