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December Weather in Somosierra, Spain

Last updated: August 27, 2025

In December, the average temperature in Somosierra, Spain hovers around 4°C (40°F). This month experiences a minimum temperature of -5°C (24°F) and can reach a maximum of 17°C (63°F). Expect 68 mm (2.7 in) of precipitation spread over 12 days, resulting in a high average humidity of 90%. Perfect for cozy indoor activities!

December Temperature in Somosierra

In December in Somosierra, the average temperature is 4°C (40°F), with a maximum that can reach 17°C (63°F) and a minimum that can drop as low as -5°C (24°F). Be sure to pack layers to stay comfortable while exploring the varying temperatures!

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

The chart illustrates December temperature patterns in Somosierra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Somosierra, December typically has an average temperature of 4°C (40°F), with highs reaching up to 17°C (63°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec364143485663707162534339
Data source: Temperature data for Somosierra 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 Somosierra

In Somosierra in December, the precipitation amount is 68 mm (2.7 in) over the course of 12 days.

December Precipitation Trends in Somosierra

The chart displays monthly precipitation patterns in Somosierra, 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 Somosierra, December typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec5251691068163242138547968
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Somosierra

In Somosierra in December humidity is 90%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that penetrates your clothes, making even short excursions outside seem uncomfortable and uninviting.

December Average Humidity in Somosierra

This chart illustrates the average monthly humidity levels in Somosierra, 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 Somosierra is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%86%79%74%71%63%59%58%66%77%87%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Somosierra

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

Maximum UV Index Levels in Somosierra for December

The chart shows the monthly maximum UV Index (UVI) for Somosierra 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 Somosierra typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3479101111108642
Data source: Somosierra 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 Somosierra Compares to Other Months

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

This table compares monthly weather conditions in Somosierra, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)52 mm (2.1 inches)90%moderate
February Weather5°C (41°F)51 mm (2.0 inches)86%moderate
March Weather6°C (44°F)69 mm (2.7 inches)79%high
April Weather9°C (48°F)106 mm (4.2 inches)74%very high
May Weather13°C (56°F)81 mm (3.2 inches)71%very high
June Weather17°C (64°F)63 mm (2.5 inches)63%extreme
July Weather21°C (71°F)24 mm (0.9 inches)59%extreme
August Weather21°C (71°F)21 mm (0.8 inches)58%very high
September Weather17°C (62°F)38 mm (1.5 inches)65%very high
October Weather12°C (54°F)54 mm (2.1 inches)77%high
November Weather6°C (43°F)79 mm (3.1 inches)87%moderate
December Weather4°C (40°F)68 mm (2.7 inches)90%low

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