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December Weather in Le Castera, France

Last updated: August 23, 2025

In December, the average temperature in Le Castera, France hovers around 8°C (47°F), with a minimum dipping to -4°C (25°F) and reaching a pleasant maximum of 18°C (65°F). Expect around 97 mm (3.8 in) of precipitation spread over 13 days, contributing to an average humidity of 88%. Stay prepared for a mix of cool and damp weather!

December Temperature in Le Castera

In December in Le Castera, the average temperature is 8°C (47°F), with maximums reaching up to 18°C (65°F) and minimums dropping as low as -4°C (25°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while dressing in layers to stay comfortable.

December Weather in Le Castera: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Le Castera, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Le Castera, December typically has an average temperature of 8°C (47°F), with highs reaching up to 18°C (65°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec424851566270747468595046
Data source: Temperature data for Le Castera 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 Le Castera

In Le Castera in December, the precipitation amount is 97 mm (3.8 in) over the course of 13 days.

December Precipitation Trends in Le Castera

The chart displays monthly precipitation patterns in Le Castera, 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 Le Castera, December typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec515858639286705960617497
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Le Castera

In Le Castera in December, humidity is 88%. With an average temperature of 8°C (47°F), this humidity feels like a thick, damp blanket wrapping around you, making even short walks feel heavy and uninviting for travel.

December Average Humidity in Le Castera

This chart illustrates the average monthly humidity levels in Le Castera, 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 Le Castera is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%77%75%74%72%70%73%82%87%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Le Castera

In Le Castera 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 Le Castera, you can visit Hourly UV Index in Le Castera.

Maximum UV Index Levels in Le Castera for December

The chart shows the monthly maximum UV Index (UVI) for Le Castera 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 Le Castera typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Le Castera 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 Le Castera Compares to Other Months

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

This table compares monthly weather conditions in Le Castera, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)51 mm (2.0 inches)87%low
February Weather9°C (48°F)57 mm (2.3 inches)83%moderate
March Weather10°C (51°F)58 mm (2.3 inches)80%high
April Weather13°C (56°F)62 mm (2.5 inches)77%high
May Weather17°C (63°F)92 mm (3.6 inches)75%very high
June Weather21°C (70°F)86 mm (3.4 inches)74%very high
July Weather23°C (74°F)70 mm (2.8 inches)72%very high
August Weather23°C (74°F)59 mm (2.3 inches)70%very high
September Weather20°C (68°F)60 mm (2.4 inches)73%high
October Weather15°C (59°F)61 mm (2.4 inches)82%moderate
November Weather10°C (50°F)74 mm (2.9 inches)87%moderate
December Weather8°C (47°F)97 mm (3.8 inches)88%low

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