nomadseason

December Weather in Castellfollit del Boix, Spain

Last updated: August 27, 2025

In December, the average temperature in Castellfollit del Boix, Spain hovers around 6°C (43°F). The weather can be quite variable, with minimums dipping to -5°C (23°F) and maximums reaching up to 17°C (64°F). Additionally, expect about 24 mm (0.9 in) of precipitation spread over 4 days, all while experiencing a comfortable average humidity of 79%.

December Temperature in Castellfollit del Boix

In December in Castellfollit del Boix, the average temperature is 6°C (43°F). The maximum can reach 17°C (64°F), while the minimum can drop as low as -5°C (23°F). Travelers should prepare for a mix of mild to cold weather conditions during this time.

December Weather in Castellfollit del Boix: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Castellfollit del Boix, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castellfollit del Boix, December typically has an average temperature of 6°C (43°F), with highs reaching up to 17°C (64°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec404649536169757466584843
Data source: Temperature data for Castellfollit del Boix generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Castellfollit del Boix

In Castellfollit del Boix in December, the precipitation amount is 24 mm (0.9 in) over a period of 4 days.

December Precipitation Trends in Castellfollit del Boix

The chart displays monthly precipitation patterns in Castellfollit del Boix, 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 Castellfollit del Boix, December typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec4743589580704989991206024
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Castellfollit del Boix

In Castellfollit del Boix in December, humidity is 79%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures less inviting and urging travelers to seek warmer, more comfortable shelters.

December Average Humidity in Castellfollit del Boix

This chart illustrates the average monthly humidity levels in Castellfollit del Boix, 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 Castellfollit del Boix is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%74%71%69%66%65%64%64%68%77%79%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Castellfollit del Boix

In Castellfollit del Boix 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 Castellfollit del Boix, you can visit Hourly UV Index in Castellfollit del Boix.

Maximum UV Index Levels in Castellfollit del Boix for December

The chart shows the monthly maximum UV Index (UVI) for Castellfollit del Boix 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 Castellfollit del Boix typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34579101097632
Data source: Castellfollit del Boix 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 Castellfollit del Boix Compares to Other Months

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

This table compares monthly weather conditions in Castellfollit del Boix, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)47 mm (1.9 inches)79%moderate
February Weather8°C (46°F)43 mm (1.7 inches)74%moderate
March Weather9°C (49°F)58 mm (2.3 inches)71%moderate
April Weather12°C (54°F)95 mm (3.8 inches)69%high
May Weather16°C (62°F)80 mm (3.2 inches)66%very high
June Weather21°C (69°F)69 mm (2.7 inches)65%very high
July Weather24°C (75°F)49 mm (1.9 inches)64%very high
August Weather23°C (74°F)89 mm (3.5 inches)64%very high
September Weather19°C (66°F)99 mm (3.9 inches)68%high
October Weather15°C (59°F)120 mm (4.7 inches)77%high
November Weather9°C (48°F)60 mm (2.4 inches)79%moderate
December Weather6°C (43°F)24 mm (0.9 inches)79%low

Compare Castellfollit del Boix's Climate with Cities Worldwide