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December Weather in Le Cheylas, France

Last updated: August 23, 2025

In Le Cheylas, France, the average temperature in December hovers around -1°C (30°F), with extremes ranging from a chilling -18°C (0°F) to a milder 11°C (51°F). This month also brings 247 mm (9.7 in) of precipitation spread across 18 days, contributing to a notably high average humidity of 90%. Stay prepared for ever-changing weather!

December Temperature in Le Cheylas

In December in Le Cheylas, the average temperature is -1°C (30°F), with maximums reaching up to 11°C (51°F) and minimums dropping as low as -18°C (0°F). Be sure to pack warm clothing and prepare for chilly weather if you plan to travel during this month.

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

The chart illustrates December temperature patterns in Le Cheylas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Le Cheylas, December typically has an average temperature of -1°C (30°F), with highs reaching up to 11°C (51°F) and lows dropping to around -18°C (0°F).
JanFebMarAprMayJunJulAugSepOctNovDec273337435059626154463629
Data source: Temperature data for Le Cheylas 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 Cheylas

In Le Cheylas in December, the total precipitation amount is 247 mm (9.7 in) over the course of 18 days.

December Precipitation Trends in Le Cheylas

The chart displays monthly precipitation patterns in Le Cheylas, 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 Cheylas, December typically receives around 247 mm (9.7 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec12711715510021317312012597124126247
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Le Cheylas

In Le Cheylas in December, humidity is 90%. With an average temperature of -1°C (30°F), this humidity feels like a bone-chilling dampness that seeps into your clothes, making outdoor activities uncomfortable and travel quite challenging.

December Average Humidity in Le Cheylas

This chart illustrates the average monthly humidity levels in Le Cheylas, 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 Cheylas is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%84%83%78%75%72%63%73%89%91%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Le Cheylas

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

Maximum UV Index Levels in Le Cheylas for December

The chart shows the monthly maximum UV Index (UVI) for Le Cheylas 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 Cheylas typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101097532
Data source: Le Cheylas 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 Cheylas Compares to Other Months

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

This table compares monthly weather conditions in Le Cheylas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)127 mm (5.0 inches)91%moderate
February Weather1°C (33°F)117 mm (4.6 inches)87%moderate
March Weather3°C (38°F)155 mm (6.1 inches)84%high
April Weather6°C (43°F)99 mm (3.9 inches)83%very high
May Weather10°C (50°F)212 mm (8.4 inches)78%very high
June Weather15°C (59°F)173 mm (6.8 inches)75%very high
July Weather16°C (62°F)120 mm (4.7 inches)72%very high
August Weather16°C (61°F)125 mm (4.9 inches)63%very high
September Weather12°C (54°F)97 mm (3.8 inches)73%high
October Weather8°C (47°F)124 mm (4.9 inches)89%moderate
November Weather2°C (36°F)126 mm (5.0 inches)90%moderate
December Weather-1°C (30°F)247 mm (9.7 inches)90%low

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