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December Weather in Longuenesse, France

Last updated: August 23, 2025

In Longuenesse, France, the average temperature in December hovers around 6°C (43°F). Expect a chilly minimum of -3°C (27°F) and a balmy maximum of 14°C (58°F). During this month, precipitation measures approximately 100 mm (3.9 in) over 17 days, contributing to an average humidity of a damp 92%. Prepare accordingly for the cool, wet conditions!

December Temperature in Longuenesse

In December in Longuenesse, the average temperature is 6°C (43°F). The maximum can reach 14°C (58°F), while the minimum can drop as low as -3°C (27°F). It's advisable to pack both warm clothing and lighter layers to accommodate the fluctuating temperatures during your travels.

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

The chart illustrates December temperature patterns in Longuenesse, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longuenesse, December typically has an average temperature of 6°C (43°F), with highs reaching up to 14°C (58°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec414346505562656560554643
Data source: Temperature data for Longuenesse 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 Longuenesse

In Longuenesse in December, the precipitation amount is 100 mm (3.9 in) over the course of 17 days.

December Precipitation Trends in Longuenesse

The chart displays monthly precipitation patterns in Longuenesse, 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 Longuenesse, December typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec6360643769715278558360100
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Longuenesse

In Longuenesse in December humidity is 92%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps through your clothes, making outdoor activities uncomfortable and requiring extra layers for warmth while navigating the slick streets.

December Average Humidity in Longuenesse

This chart illustrates the average monthly humidity levels in Longuenesse, 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 Longuenesse is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Longuenesse

In Longuenesse 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 Longuenesse.

Maximum UV Index Levels in Longuenesse for December

The chart shows the monthly maximum UV Index (UVI) for Longuenesse 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 Longuenesse typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Longuenesse 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 Longuenesse Compares to Other Months

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

This table compares monthly weather conditions in Longuenesse, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)63 mm (2.5 inches)91%low
February Weather6°C (43°F)60 mm (2.3 inches)89%low
March Weather8°C (46°F)64 mm (2.5 inches)86%moderate
April Weather10°C (50°F)37 mm (1.4 inches)85%moderate
May Weather13°C (56°F)69 mm (2.7 inches)82%high
June Weather17°C (63°F)70 mm (2.8 inches)81%very high
July Weather18°C (65°F)52 mm (2.0 inches)76%very high
August Weather18°C (65°F)77 mm (3.1 inches)73%high
September Weather15°C (60°F)55 mm (2.1 inches)80%moderate
October Weather13°C (55°F)83 mm (3.3 inches)89%moderate
November Weather8°C (47°F)60 mm (2.4 inches)92%low
December Weather6°C (43°F)100 mm (3.9 inches)92%low

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