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December Weather in Castril, Spain

Last updated: August 27, 2025

In December, the average temperature in Castril, Spain hovers around 6°C (44°F), with a range that can dip to a chilling -5°C (23°F) and reach a pleasant 20°C (69°F). Expect roughly 45 mm (1.8 in) of precipitation spread over 7 days, and prepare for a humid atmosphere with an average humidity of 79%. Enjoy the diverse weather conditions while exploring!

December Temperature in Castril

In December in Castril, the average temperature is 6°C (44°F). The maximum can reach 20°C (69°F), while the minimum can drop to as low as -5°C (23°F). Prepare for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Castril, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castril, December typically has an average temperature of 6°C (44°F), with highs reaching up to 20°C (69°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec404548526271787768594843
Data source: Temperature data for Castril 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 Castril

In Castril in December, the precipitation amount is 45 mm (1.8 in) spread over a duration of 7 days.

December Precipitation Trends in Castril

The chart displays monthly precipitation patterns in Castril, 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 Castril, December typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec36267357311971524265645
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Castril

In Castril in December, humidity is 79%. With an average temperature of 6°C (44°F), this humidity feels like a cold, damp chill that seeps into your bones, making travel feel less comfortable and more challenging as the wet air clings to your clothes and skin.

December Average Humidity in Castril

This chart illustrates the average monthly humidity levels in Castril, 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 Castril is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%71%66%58%55%50%55%54%61%70%76%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Castril

In Castril 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 Castril, you can check the information here.

Maximum UV Index Levels in Castril for December

The chart shows the monthly maximum UV Index (UVI) for Castril 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 Castril typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111211109743
Data source: Castril 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 Castril Compares to Other Months

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

This table compares monthly weather conditions in Castril, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)36 mm (1.4 inches)76%moderate
February Weather7°C (45°F)26 mm (1.0 inches)71%moderate
March Weather9°C (48°F)73 mm (2.9 inches)66%high
April Weather11°C (53°F)57 mm (2.2 inches)58%very high
May Weather17°C (63°F)31 mm (1.2 inches)55%extreme
June Weather21°C (71°F)19 mm (0.8 inches)50%extreme
July Weather25°C (78°F)7 mm (0.3 inches)55%extreme
August Weather25°C (78°F)15 mm (0.6 inches)54%very high
September Weather20°C (69°F)24 mm (0.9 inches)61%very high
October Weather15°C (59°F)26 mm (1.0 inches)70%high
November Weather9°C (48°F)56 mm (2.2 inches)76%moderate
December Weather6°C (44°F)45 mm (1.8 inches)79%moderate

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