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December Weather in Castro Caldelas, Spain

Last updated: August 27, 2025

In December, the average temperature in Castro Caldelas, Spain hovers around 7°C (44°F), providing a crisp atmosphere perfect for layering up. Expect temperatures to range from a chilly -4°C (25°F) to a mild 16°C (60°F). Be prepared for 193 mm (7.6 in) of precipitation over approximately 17 days, contributing to an average humidity of 85%. Embrace the cool, refreshing feel of the season!

December Temperature in Castro Caldelas

In December in Castro Caldelas, the average temperature is 7°C (44°F). Maximums can reach 16°C (60°F), while minimums can drop as low as -4°C (25°F). Pack accordingly to enjoy a comfortable experience while exploring the charming sights of Castro Caldelas.

December Weather in Castro Caldelas: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Castro Caldelas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castro Caldelas, December typically has an average temperature of 7°C (44°F), with highs reaching up to 16°C (60°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec414546505761666561554644
Data source: Temperature data for Castro Caldelas 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 Castro Caldelas

In Castro Caldelas in December, the total precipitation amount is 193 mm (7.6 in), spread over a period of 17 days.

December Precipitation Trends in Castro Caldelas

The chart displays monthly precipitation patterns in Castro Caldelas, 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 Castro Caldelas, December typically receives around 193 mm (7.6 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec891291291089671353558110145193
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Castro Caldelas

In Castro Caldelas in December, humidity is 85%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

December Average Humidity in Castro Caldelas

This chart illustrates the average monthly humidity levels in Castro Caldelas, 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 Castro Caldelas is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%83%83%83%82%78%79%82%84%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Castro Caldelas

In Castro Caldelas 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 Castro Caldelas, you can visit Hourly UV Index in Castro Caldelas.

Maximum UV Index Levels in Castro Caldelas for December

The chart shows the monthly maximum UV Index (UVI) for Castro Caldelas 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 Castro Caldelas typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689111098632
Data source: Castro Caldelas 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 Castro Caldelas Compares to Other Months

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

This table compares monthly weather conditions in Castro Caldelas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)88 mm (3.5 inches)84%low
February Weather7°C (45°F)129 mm (5.1 inches)83%moderate
March Weather8°C (46°F)129 mm (5.1 inches)82%high
April Weather10°C (51°F)108 mm (4.2 inches)83%very high
May Weather14°C (57°F)96 mm (3.8 inches)83%very high
June Weather16°C (61°F)71 mm (2.8 inches)83%extreme
July Weather19°C (66°F)35 mm (1.4 inches)82%very high
August Weather19°C (66°F)35 mm (1.4 inches)78%very high
September Weather16°C (62°F)58 mm (2.3 inches)79%very high
October Weather13°C (55°F)110 mm (4.3 inches)82%high
November Weather8°C (47°F)145 mm (5.7 inches)84%moderate
December Weather7°C (44°F)193 mm (7.6 inches)85%low

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