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December Weather in San Carlos del Valle, Spain

Last updated: August 27, 2025

In December, the average temperature in San Carlos del Valle, Spain is a cool 7°C (46°F). Temperatures can range from a chilly -4°C (26°F) to a pleasantly warm 21°C (70°F). Expect about 56 mm (2.2 in) of precipitation over approximately 8 days, making for a rather humid month with an average humidity of 86%.

December Temperature in San Carlos del Valle

In December in San Carlos del Valle, the average temperature is 7°C (46°F), with maximums potentially reaching 21°C (70°F) and minimums dropping as low as -4°C (26°F). Travelers should prepare for a wide range of temperatures during their visit.

December Weather in San Carlos del Valle: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Carlos del Valle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Carlos del Valle, December typically has an average temperature of 7°C (46°F), with highs reaching up to 21°C (70°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec424851556574818172625045
Data source: Temperature data for San Carlos del Valle 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 San Carlos del Valle

In San Carlos del Valle in December, the precipitation amount is 56 mm (2.2 in) over the course of 8 days.

December Precipitation Trends in San Carlos del Valle

The chart displays monthly precipitation patterns in San Carlos del Valle, 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 San Carlos del Valle, December typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec323271973616111728426456
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Carlos del Valle

In San Carlos del Valle in December humidity is 86%. With an average temperature of 7°C (46°F), this humidity feels like wrapping yourself in a damp blanket, making travel uncomfortable and heavy, as the cold air mixes with the muggy atmosphere, leaving you longing for a warm, dry refuge.

December Average Humidity in San Carlos del Valle

This chart illustrates the average monthly humidity levels in San Carlos del Valle, 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 San Carlos del Valle is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%78%66%60%56%44%44%42%53%70%83%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Carlos del Valle

In San Carlos del Valle in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in San Carlos del Valle, you can check the information here.

Maximum UV Index Levels in San Carlos del Valle for December

The chart shows the monthly maximum UV Index (UVI) for San Carlos del Valle 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 San Carlos del Valle typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101211109743
Data source: San Carlos del Valle 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 San Carlos del Valle Compares to Other Months

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

This table compares monthly weather conditions in San Carlos del Valle, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)32 mm (1.3 inches)85%moderate
February Weather9°C (48°F)32 mm (1.3 inches)78%moderate
March Weather10°C (51°F)71 mm (2.8 inches)66%high
April Weather13°C (56°F)97 mm (3.8 inches)60%very high
May Weather18°C (66°F)36 mm (1.4 inches)56%very high
June Weather24°C (75°F)16 mm (0.6 inches)44%extreme
July Weather27°C (82°F)11 mm (0.4 inches)44%extreme
August Weather27°C (82°F)17 mm (0.7 inches)42%very high
September Weather22°C (72°F)28 mm (1.1 inches)53%very high
October Weather17°C (62°F)42 mm (1.7 inches)70%high
November Weather10°C (50°F)64 mm (2.5 inches)83%moderate
December Weather7°C (46°F)56 mm (2.2 inches)86%moderate

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