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December Weather in Castropol, Spain

Last updated: August 27, 2025

In December, the average temperature in Castropol, Spain is a cool 10°C (51°F), with a range that dips to a minimum of 2°C (37°F) and can rise to a pleasant 17°C (64°F). Expect precipitation of about 161 mm (6.3 in) over approximately 16 days, contributing to a high average humidity of 87%. Be prepared for a damp but mild atmosphere!

December Temperature in Castropol

In December in Castropol, the average temperature is 10°C (51°F). The maximum can reach 17°C (64°F), and the minimum can be as low as 2°C (37°F). It's a great time to visit for those who enjoy mild weather and outdoor activities.

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

The chart illustrates December temperature patterns in Castropol, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castropol, December typically has an average temperature of 10°C (51°F), with highs reaching up to 17°C (64°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec475050535761646563595251
Data source: Temperature data for Castropol 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 Castropol

In Castropol in December, the total precipitation amount is 161 mm (6.3 in), occurring over a span of 16 days.

December Precipitation Trends in Castropol

The chart displays monthly precipitation patterns in Castropol, 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 Castropol, December typically receives around 161 mm (6.3 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec99121104799893516966114151161
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Castropol

In Castropol in December humidity is 87%. With an average temperature of 10°C (51°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities uncomfortable and sticky, and often requiring frequent breaks to stay hydrated and cool.

December Average Humidity in Castropol

This chart illustrates the average monthly humidity levels in Castropol, 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 Castropol is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%83%83%84%84%86%78%77%82%86%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Castropol

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

Maximum UV Index Levels in Castropol for December

The chart shows the monthly maximum UV Index (UVI) for Castropol 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 Castropol typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467910987532
Data source: Castropol 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 Castropol Compares to Other Months

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

This table compares monthly weather conditions in Castropol, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)99 mm (3.9 inches)87%low
February Weather10°C (50°F)121 mm (4.8 inches)85%moderate
March Weather10°C (50°F)104 mm (4.1 inches)83%high
April Weather11°C (53°F)79 mm (3.1 inches)83%high
May Weather14°C (57°F)98 mm (3.8 inches)84%very high
June Weather16°C (61°F)93 mm (3.7 inches)84%very high
July Weather18°C (65°F)51 mm (2.0 inches)86%very high
August Weather19°C (66°F)69 mm (2.7 inches)78%very high
September Weather17°C (63°F)66 mm (2.6 inches)77%high
October Weather15°C (59°F)114 mm (4.5 inches)82%moderate
November Weather11°C (53°F)151 mm (5.9 inches)86%moderate
December Weather10°C (51°F)161 mm (6.3 inches)87%low

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