December Weather in Passy, France

Last updated: August 23, 2025

In December, the average temperature in Passy, France hovers around -6°C (22°F). While the mercury can dip as low as -23°C (-8°F), it may occasionally rise to a comfortable 8°C (46°F). Expect a significant precipitation amount of 295 mm (11.6 in) spread over 19 days, coupled with an average humidity of 90%, creating a crisp and chilly atmosphere perfect for cozy indoor activities.

December Temperature in Passy

In December in Passy, the average temperature is -6°C (22°F), with a maximum reaching 8°C (46°F) and a minimum dipping as low as -23°C (-8°F). It's important to be well-prepared for cold weather conditions if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Passy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Passy, December typically has an average temperature of -6°C (22°F), with highs reaching up to 8°C (46°F) and lows dropping to around -23°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec182630374454575649413022
Data source: Temperature data for Passy 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 Passy

In Passy in December, the precipitation amount is 295 mm (11.6 in) during a span of 19 days.

December Precipitation Trends in Passy

The chart displays monthly precipitation patterns in Passy, 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 Passy, December typically receives around 295 mm (11.6 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec17114117584224167162149109133120295
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Passy

In Passy in December, humidity is 90%. With an average temperature of -6°C (22°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm while navigating through the damp, frosty air.

December Average Humidity in Passy

This chart illustrates the average monthly humidity levels in Passy, 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 Passy 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 Passy

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

Maximum UV Index Levels in Passy for December

The chart shows the monthly maximum UV Index (UVI) for Passy 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 Passy typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34789101097532
Data source: Passy 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 Passy Compares to Other Months

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

This table compares monthly weather conditions in Passy, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (19°F)171 mm (6.7 inches)91%moderate
February Weather-4°C (26°F)141 mm (5.5 inches)87%moderate
March Weather-1°C (31°F)175 mm (6.9 inches)84%high
April Weather3°C (38°F)84 mm (3.3 inches)83%very high
May Weather7°C (45°F)224 mm (8.8 inches)78%very high
June Weather12°C (54°F)167 mm (6.6 inches)75%very high
July Weather14°C (57°F)162 mm (6.4 inches)72%very high
August Weather13°C (56°F)149 mm (5.9 inches)63%very high
September Weather10°C (49°F)109 mm (4.3 inches)73%high
October Weather5°C (42°F)133 mm (5.3 inches)89%moderate
November Weather-1°C (30°F)120 mm (4.7 inches)90%moderate
December Weather-6°C (22°F)295 mm (11.6 inches)90%low

Compare Passy's Climate with Cities Worldwide