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December Weather in Altarejos, Spain

Last updated: August 27, 2025

In December, the average temperature in Altarejos, Spain hovers around 5°C (42°F). Temperatures can dip as low as -5°C (22°F), but may also reach a pleasant 18°C (65°F). Expect 61 mm (2.4 in) of precipitation over about 8 days, with humidity levels typically around 80%.

December Temperature in Altarejos

In December in Altarejos, the average temperature is 5°C (42°F), with maximums reaching 18°C (65°F) and minimums dropping as low as -5°C (22°F). This variation in temperatures makes it essential for travelers to pack versatile clothing to accommodate both warm and chilly conditions.

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

The chart illustrates December temperature patterns in Altarejos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altarejos, December typically has an average temperature of 5°C (42°F), with highs reaching up to 18°C (65°F) and lows dropping to around -5°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec394447516169767667574642
Data source: Temperature data for Altarejos 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 Altarejos

In Altarejos in December, the precipitation amount is 61 mm (2.4 in) distributed over 8 days.

December Precipitation Trends in Altarejos

The chart displays monthly precipitation patterns in Altarejos, 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 Altarejos, December typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec374084995533202537518361
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Altarejos

In Altarejos in December humidity is 80%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that can seep into your bones, making outdoor adventures uncomfortable and urging travelers to seek warm shelter often.

December Average Humidity in Altarejos

This chart illustrates the average monthly humidity levels in Altarejos, 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 Altarejos is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%75%64%58%53%49%51%51%58%71%76%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Altarejos

In Altarejos 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 Altarejos, you can check the information here.

Maximum UV Index Levels in Altarejos for December

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

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

This table compares monthly weather conditions in Altarejos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)37 mm (1.5 inches)78%moderate
February Weather7°C (44°F)40 mm (1.6 inches)75%moderate
March Weather8°C (47°F)84 mm (3.3 inches)64%high
April Weather11°C (52°F)99 mm (3.9 inches)58%very high
May Weather16°C (61°F)55 mm (2.2 inches)53%very high
June Weather21°C (70°F)33 mm (1.3 inches)49%extreme
July Weather25°C (77°F)20 mm (0.8 inches)51%extreme
August Weather24°C (76°F)25 mm (1.0 inches)51%very high
September Weather19°C (67°F)37 mm (1.4 inches)58%very high
October Weather14°C (58°F)51 mm (2.0 inches)71%high
November Weather8°C (47°F)83 mm (3.3 inches)76%moderate
December Weather5°C (42°F)61 mm (2.4 inches)80%moderate

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