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December Weather in Franconville, France

Last updated: August 23, 2025

In December, the average temperature in Franconville, France hovers around 6°C (43°F), with a minimum of -3°C (27°F) and a maximum of 15°C (60°F). Expect 102 mm (4.0 in) of precipitation spread over 16 days, contributing to a notable average humidity of 93%.

December Temperature in Franconville

In December in Franconville, the average temperature is 6°C (43°F). The maximum can reach 15°C (60°F) and the minimum can be as low as -3°C (27°F). Be prepared for a range of temperatures and pack accordingly for your trip!

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

The chart illustrates December temperature patterns in Franconville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Franconville, December typically has an average temperature of 6°C (43°F), with highs reaching up to 15°C (60°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec404346525765686762554643
Data source: Temperature data for Franconville 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 Franconville

In Franconville in December, the precipitation amount is 102 mm (4.0 in) spread over 16 days.

December Precipitation Trends in Franconville

The chart displays monthly precipitation patterns in Franconville, 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 Franconville, December typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec5669753470744959407866102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Franconville

In Franconville in December, humidity is 93%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making travel particularly uncomfortable and the air feel heavy, as though every step is met with resistance.

December Average Humidity in Franconville

This chart illustrates the average monthly humidity levels in Franconville, 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 Franconville is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%82%80%73%68%76%88%92%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Franconville

In Franconville in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Franconville.

Maximum UV Index Levels in Franconville for December

The chart shows the monthly maximum UV Index (UVI) for Franconville 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 Franconville typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Franconville 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 Franconville Compares to Other Months

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

This table compares monthly weather conditions in Franconville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)56 mm (2.2 inches)91%low
February Weather6°C (43°F)69 mm (2.7 inches)89%moderate
March Weather8°C (47°F)75 mm (3.0 inches)85%moderate
April Weather11°C (52°F)34 mm (1.3 inches)84%high
May Weather14°C (58°F)70 mm (2.7 inches)82%very high
June Weather19°C (66°F)74 mm (2.9 inches)80%very high
July Weather20°C (69°F)49 mm (1.9 inches)73%very high
August Weather20°C (68°F)58 mm (2.3 inches)68%very high
September Weather16°C (62°F)40 mm (1.6 inches)76%high
October Weather13°C (55°F)78 mm (3.1 inches)88%moderate
November Weather8°C (46°F)66 mm (2.6 inches)92%low
December Weather6°C (43°F)102 mm (4.0 inches)93%low

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