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December Weather in Casteljaloux, France

Last updated: August 23, 2025

In Casteljaloux, France, the average temperature in December hovers around 8°C (46°F), with a minimum dipping as low as -4°C (25°F) and a maximum reaching 18°C (65°F). Expect 113 mm (4.4 in) of rainfall spread over 14 days, contributing to a notably high average humidity of 92%. Stay prepared for a wet and cool climate!

December Temperature in Casteljaloux

In December in Casteljaloux, the average temperature is 8°C (46°F). The maximum can reach 18°C (65°F), while the minimum can drop to as low as -4°C (25°F). Be prepared for a mix of chilly and mild weather during your travels.

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

The chart illustrates December temperature patterns in Casteljaloux, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casteljaloux, December typically has an average temperature of 8°C (46°F), with highs reaching up to 18°C (65°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec424851566269737267584946
Data source: Temperature data for Casteljaloux 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 Casteljaloux

In Casteljaloux in December, the precipitation amount is 113 mm (4.4 in) occurring over a span of 14 days.

December Precipitation Trends in Casteljaloux

The chart displays monthly precipitation patterns in Casteljaloux, 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 Casteljaloux, December typically receives around 113 mm (4.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec626672781161285756647575113
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Casteljaloux

In Casteljaloux in December, humidity is 92%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that settles deep into your bones, making outdoor adventures uncomfortable and necessitating extra layers to stay warm while you explore.

December Average Humidity in Casteljaloux

This chart illustrates the average monthly humidity levels in Casteljaloux, 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 Casteljaloux is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%85%84%84%82%79%75%79%86%90%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Casteljaloux

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

Maximum UV Index Levels in Casteljaloux for December

The chart shows the monthly maximum UV Index (UVI) for Casteljaloux 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 Casteljaloux typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23678101097532
Data source: Casteljaloux 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 Casteljaloux Compares to Other Months

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

This table compares monthly weather conditions in Casteljaloux, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)62 mm (2.4 inches)90%low
February Weather9°C (48°F)66 mm (2.6 inches)87%moderate
March Weather10°C (51°F)72 mm (2.9 inches)85%high
April Weather13°C (56°F)78 mm (3.1 inches)84%high
May Weather17°C (62°F)116 mm (4.6 inches)84%very high
June Weather20°C (69°F)128 mm (5.0 inches)82%very high
July Weather23°C (73°F)57 mm (2.2 inches)79%very high
August Weather22°C (73°F)56 mm (2.2 inches)75%very high
September Weather19°C (67°F)64 mm (2.5 inches)79%high
October Weather15°C (59°F)75 mm (2.9 inches)86%moderate
November Weather9°C (49°F)75 mm (3.0 inches)90%moderate
December Weather8°C (46°F)113 mm (4.4 inches)92%low

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