May Weather in Ulldecona, Spain

Last updated: August 27, 2025

In May, the average temperature in Ulldecona, Spain hovers around 19°C (66°F), creating a comfortable atmosphere. Expect low temperatures dipping to 9°C (48°F) and highs reaching up to 30°C (86°F). While you enjoy the pleasant weather, be aware that the region experiences about 38 mm (1.5 in) of precipitation over 5 days, contributing to an average humidity level of 66%.

May Temperature in Ulldecona

In May in Ulldecona, the average temperature is 19°C (66°F). Maximums can reach 30°C (86°F) and minimums can drop to as low as 9°C (48°F). This makes it a great time for travelers to enjoy pleasant weather while exploring the area.

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

The chart illustrates May temperature patterns in Ulldecona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulldecona, May typically has an average temperature of 19°C (66°F), with highs reaching up to 30°C (86°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec505355586673787973665753
Data source: Temperature data for Ulldecona 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 Ulldecona

In Ulldecona in May, the total precipitation amount is 38 mm (1.5 in) spread over a duration of 5 days.

May Precipitation Trends in Ulldecona

The chart displays monthly precipitation patterns in Ulldecona, 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 Ulldecona, May typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec59213762382794162736327
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ulldecona

In Ulldecona in May, humidity is 66%. With an average temperature of 19°C (66°F), this humidity feels like a warm, cozy embrace, creating an inviting atmosphere for exploring the local sights while ensuring you stay hydrated and comfortable throughout your adventures.

May Average Humidity in Ulldecona

This chart illustrates the average monthly humidity levels in Ulldecona, 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 Ulldecona is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%74%71%69%66%65%64%64%68%77%79%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ulldecona

In Ulldecona 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 Ulldecona.

Maximum UV Index Levels in Ulldecona for May

The chart shows the monthly maximum UV Index (UVI) for Ulldecona 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 Ulldecona typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589111098642
Data source: Ulldecona 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 Ulldecona Compares to Other Months

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

This table compares monthly weather conditions in Ulldecona, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)59 mm (2.3 inches)79%moderate
February Weather12°C (53°F)21 mm (0.8 inches)74%moderate
March Weather13°C (56°F)37 mm (1.5 inches)71%moderate
April Weather15°C (59°F)62 mm (2.4 inches)69%very high
May Weather19°C (66°F)38 mm (1.5 inches)66%very high
June Weather23°C (73°F)27 mm (1.1 inches)65%extreme
July Weather26°C (79°F)9 mm (0.4 inches)64%very high
August Weather26°C (79°F)41 mm (1.6 inches)64%very high
September Weather23°C (74°F)62 mm (2.4 inches)68%very high
October Weather19°C (66°F)73 mm (2.9 inches)77%high
November Weather14°C (58°F)63 mm (2.5 inches)79%moderate
December Weather12°C (53°F)27 mm (1.1 inches)79%low

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