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December Weather in Lillebonne, France

Last updated: August 23, 2025

In Lillebonne, France, the average temperature in December hovers around 7°C (44°F). Expect a chilly minimum of -3°C (26°F) and a warmer high of 15°C (59°F). During this month, precipitation is significant, with 128 mm (5.0 in) spread over 19 days. Additionally, the average humidity remains high at 93%, creating a moist atmosphere.

December Temperature in Lillebonne

In December in Lillebonne, the average temperature is 7°C (44°F). Maximum temperatures can reach up to 15°C (59°F), while minimums can drop as low as -3°C (26°F). Be prepared for a mix of cool and mild weather, making it a great time for layering and outdoor exploration.

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

The chart illustrates December temperature patterns in Lillebonne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lillebonne, December typically has an average temperature of 7°C (44°F), with highs reaching up to 15°C (59°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec414346515562656560554744
Data source: Temperature data for Lillebonne 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 Lillebonne

In Lillebonne in December, the total precipitation amount is 128 mm (5.0 in) spread across 19 days.

December Precipitation Trends in Lillebonne

The chart displays monthly precipitation patterns in Lillebonne, 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 Lillebonne, December typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec7073814090815473619089128
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lillebonne

In Lillebonne in December, humidity is 93%. With an average temperature of 7°C (44°F), this humidity feels like a dense, chilly blanket enveloping you, making outdoor activities cumbersome and travel less enjoyable.

December Average Humidity in Lillebonne

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

In Lillebonne 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 Lillebonne.

Maximum UV Index Levels in Lillebonne for December

The chart shows the monthly maximum UV Index (UVI) for Lillebonne 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 Lillebonne typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234679886421
Data source: Lillebonne 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 Lillebonne Compares to Other Months

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

This table compares monthly weather conditions in Lillebonne, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)70 mm (2.8 inches)91%low
February Weather6°C (44°F)73 mm (2.9 inches)89%moderate
March Weather8°C (47°F)80 mm (3.2 inches)85%moderate
April Weather10°C (51°F)40 mm (1.6 inches)84%high
May Weather13°C (56°F)90 mm (3.5 inches)82%high
June Weather17°C (63°F)81 mm (3.2 inches)80%very high
July Weather19°C (66°F)54 mm (2.1 inches)73%very high
August Weather18°C (65°F)73 mm (2.9 inches)68%very high
September Weather16°C (60°F)61 mm (2.4 inches)76%high
October Weather13°C (55°F)90 mm (3.5 inches)88%moderate
November Weather8°C (47°F)88 mm (3.5 inches)92%low
December Weather7°C (44°F)128 mm (5.0 inches)93%low

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