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December Weather in Castilfrio de la Sierra, Spain

Last updated: August 27, 2025

In Castilfrio de la Sierra, Spain, the average temperature in December hovers around 5°C (41°F), with a minimum of -6°C (22°F) and a maximum reaching up to 17°C (63°F). Expect about 46 mm (1.8 in) of precipitation over 10 days, accompanied by an average humidity level of 84%.

December Temperature in Castilfrio de la Sierra

In December in Castilfrio de la Sierra, the average temperature is 5°C (41°F). Maximum temperatures can reach 17°C (63°F), while minimums can drop as low as -6°C (22°F). Be sure to pack warm clothing and layers to stay comfortable during your travels.

December Weather in Castilfrio de la Sierra: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Castilfrio de la Sierra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castilfrio de la Sierra, December typically has an average temperature of 5°C (41°F), with highs reaching up to 17°C (63°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec374244485563686861534341
Data source: Temperature data for Castilfrio de la Sierra 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 Castilfrio de la Sierra

In Castilfrio de la Sierra in December, the precipitation amount is 46 mm (1.8 in) over the course of 10 days.

December Precipitation Trends in Castilfrio de la Sierra

The chart displays monthly precipitation patterns in Castilfrio de la Sierra, 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 Castilfrio de la Sierra, December typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec5247641128299473452437446
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Castilfrio de la Sierra

In Castilfrio de la Sierra in December humidity is 84%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through the cold, heavy air that clings to your skin.

December Average Humidity in Castilfrio de la Sierra

This chart illustrates the average monthly humidity levels in Castilfrio de la Sierra, 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 Castilfrio de la Sierra is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%80%73%69%64%59%58%58%64%76%82%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Castilfrio de la Sierra

In Castilfrio de la Sierra 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 Castilfrio de la Sierra, you can visit Hourly UV Index in Castilfrio de la Sierra.

Maximum UV Index Levels in Castilfrio de la Sierra for December

The chart shows the monthly maximum UV Index (UVI) for Castilfrio de la Sierra 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 Castilfrio de la Sierra typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910111198642
Data source: Castilfrio de la Sierra 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 Castilfrio de la Sierra Compares to Other Months

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

This table compares monthly weather conditions in Castilfrio de la Sierra, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)52 mm (2.0 inches)85%moderate
February Weather5°C (42°F)47 mm (1.9 inches)80%moderate
March Weather6°C (44°F)64 mm (2.5 inches)73%high
April Weather9°C (48°F)112 mm (4.4 inches)69%very high
May Weather13°C (56°F)82 mm (3.2 inches)64%very high
June Weather17°C (63°F)98 mm (3.9 inches)59%extreme
July Weather20°C (68°F)47 mm (1.8 inches)58%extreme
August Weather20°C (68°F)34 mm (1.3 inches)58%very high
September Weather16°C (61°F)52 mm (2.1 inches)64%very high
October Weather12°C (53°F)43 mm (1.7 inches)76%high
November Weather6°C (44°F)74 mm (2.9 inches)82%moderate
December Weather5°C (41°F)46 mm (1.8 inches)84%low

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