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December Weather in Ullastrell, Spain

Last updated: August 27, 2025

In December, the average temperature in Ullastrell, Spain hovers around 8°C (48°F), with a minimum of -3°C (27°F) and a pleasant maximum reaching 19°C (66°F). Expect 26 mm (1.0 in) of precipitation over about 3 days during this month, alongside an average humidity of 79%. Plan accordingly for a mix of chilly and mild days!

December Temperature in Ullastrell

In December in Ullastrell, the average temperature is 8°C (48°F). The maximum can reach 19°C (66°F) and the minimum can be as low as -3°C (27°F). Be prepared for a range of temperatures when traveling to Ullastrell during this month, and pack accordingly!

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

The chart illustrates December temperature patterns in Ullastrell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ullastrell, December typically has an average temperature of 8°C (48°F), with highs reaching up to 19°C (66°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec454952556370767670625247
Data source: Temperature data for Ullastrell 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 Ullastrell

In Ullastrell in December, the precipitation amount is 26 mm (1.0 in) recorded over the course of 3 days.

December Precipitation Trends in Ullastrell

The chart displays monthly precipitation patterns in Ullastrell, 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 Ullastrell, December typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec5245518058394152931196426
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ullastrell

In Ullastrell in December, humidity is 79%. With an average temperature of 8°C (48°F), this humidity feels like a chill that seeps into your bones, making outdoor activities less enjoyable and travel more challenging as you navigate the damp air.

December Average Humidity in Ullastrell

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

In Ullastrell 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 Ullastrell, you can visit Hourly UV Index in Ullastrell.

Maximum UV Index Levels in Ullastrell for December

The chart shows the monthly maximum UV Index (UVI) for Ullastrell 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 Ullastrell typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34579101097632
Data source: Ullastrell 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 Ullastrell Compares to Other Months

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

This table compares monthly weather conditions in Ullastrell, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)52 mm (2.1 inches)79%moderate
February Weather9°C (49°F)45 mm (1.8 inches)74%moderate
March Weather11°C (52°F)51 mm (2.0 inches)71%moderate
April Weather13°C (56°F)80 mm (3.2 inches)69%high
May Weather17°C (63°F)57 mm (2.3 inches)66%very high
June Weather21°C (71°F)39 mm (1.5 inches)65%very high
July Weather24°C (76°F)41 mm (1.6 inches)64%very high
August Weather24°C (76°F)52 mm (2.0 inches)64%very high
September Weather21°C (70°F)93 mm (3.7 inches)68%high
October Weather17°C (62°F)119 mm (4.7 inches)77%high
November Weather11°C (53°F)64 mm (2.5 inches)79%moderate
December Weather8°C (48°F)26 mm (1.0 inches)79%low

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