December Weather in Ulldecona, Spain

Last updated: August 27, 2025

In December, the average temperature in Ulldecona, Spain hovers around 12°C (53°F), with a comfortable range where the minimum can drop to 3°C (37°F) and the maximum can reach 22°C (71°F). Expect 27 mm (1.1 in) of precipitation spread across 3 days, complemented by an average humidity level of 79%.

December Temperature in Ulldecona

In December in Ulldecona, the average temperature is 12°C (53°F). Maximums can reach 22°C (71°F), and minimums can be as low as 3°C (37°F). Pack accordingly to enjoy comfortable days and cool evenings while exploring the area.

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

The chart illustrates December 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, December typically has an average temperature of 12°C (53°F), with highs reaching up to 22°C (71°F) and lows dropping to around 3°C (37°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.

December Precipitation in Ulldecona

In Ulldecona in December, the total precipitation amount is 27 mm (1.1 in) over the course of 3 days.

December Precipitation Trends in Ulldecona

The chart displays monthly precipitation patterns in Ulldecona, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Ulldecona, December typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec59213762382794162736327
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ulldecona

In Ulldecona in December, humidity is 79%. With an average temperature of 12°C (53°F), this humidity feels like a damp blanket enveloping you, making outdoor activities slightly uncomfortable and ideal for cozy indoor explorations rather than extensive sightseeing.

December Average Humidity in Ulldecona

This chart illustrates the average monthly humidity levels in Ulldecona, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Ulldecona is approximately 79%, 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Ulldecona

In Ulldecona in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Ulldecona, you can visit Hourly UV Index in Ulldecona.

Maximum UV Index Levels in Ulldecona for December

The chart shows the monthly maximum UV Index (UVI) for Ulldecona in December, 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 December, the maximum UV index in Ulldecona typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589111098642
Data source: Ulldecona December 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 December 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 December’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 December’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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