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December Weather in Castelnau-le-Lez, France

Last updated: August 23, 2025

The average temperature in Castelnau-le-Lez, France during December is a cool 8°C (46°F). Expect minimum temperatures dropping as low as -3°C (27°F), with peaks reaching up to 20°C (68°F). The month typically sees 61 mm (2.4 in) of precipitation spread over 9 days, resulting in an average humidity of 83%.

December Temperature in Castelnau-le-Lez

In December in Castelnau-le-Lez, the average temperature is 8°C (46°F). The maximum can reach 20°C (68°F), while the minimum can drop as low as -3°C (27°F). Be prepared for varying conditions and pack accordingly for your travels.

December Weather in Castelnau-le-Lez: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Castelnau-le-Lez, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castelnau-le-Lez, December typically has an average temperature of 8°C (46°F), with highs reaching up to 20°C (68°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec444852566472787769605146
Data source: Temperature data for Castelnau-le-Lez 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 Castelnau-le-Lez

In Castelnau-le-Lez in December, the precipitation amount is 61 mm (2.4 in) spread over 9 days.

December Precipitation Trends in Castelnau-le-Lez

The chart displays monthly precipitation patterns in Castelnau-le-Lez, 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 Castelnau-le-Lez, December typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec63467884734422436012114361
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Castelnau-le-Lez

In Castelnau-le-Lez in December, humidity is 83%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that seeps into your bones, making even short outings feel quite uncomfortable and prompting travelers to bundle up and seek shelter more frequently.

December Average Humidity in Castelnau-le-Lez

This chart illustrates the average monthly humidity levels in Castelnau-le-Lez, 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 Castelnau-le-Lez is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%77%73%73%71%67%66%63%70%80%84%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Castelnau-le-Lez

In Castelnau-le-Lez 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 Castelnau-le-Lez, you can visit Hourly UV Index in Castelnau-le-Lez.

Maximum UV Index Levels in Castelnau-le-Lez for December

The chart shows the monthly maximum UV Index (UVI) for Castelnau-le-Lez 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 Castelnau-le-Lez typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24579101097532
Data source: Castelnau-le-Lez 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 Castelnau-le-Lez Compares to Other Months

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

This table compares monthly weather conditions in Castelnau-le-Lez, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)63 mm (2.5 inches)82%low
February Weather9°C (49°F)46 mm (1.8 inches)77%moderate
March Weather11°C (52°F)78 mm (3.1 inches)73%moderate
April Weather13°C (57°F)84 mm (3.3 inches)73%high
May Weather18°C (64°F)73 mm (2.9 inches)71%very high
June Weather22°C (73°F)44 mm (1.7 inches)67%very high
July Weather25°C (78°F)22 mm (0.9 inches)66%very high
August Weather25°C (77°F)43 mm (1.7 inches)63%very high
September Weather21°C (69°F)60 mm (2.3 inches)70%high
October Weather16°C (61°F)121 mm (4.8 inches)80%moderate
November Weather11°C (52°F)143 mm (5.6 inches)84%moderate
December Weather8°C (46°F)61 mm (2.4 inches)83%low

Compare Castelnau-le-Lez's Climate with Cities Worldwide