December Weather in Lille, France

Last updated: February 26, 2025

In Lille, France, December presents a captivating yet chilly ambiance characterized by an average temperature of 6°C (43°F), with maximums reaching up to 15°C (59°F) and minimums dipping to a brisk -4°C (26°F). Visitors should brace for a relatively wet month, as precipitation totals around 95 mm (3.8 in) across 17 days, giving the city an invigorating freshness. With a humidity level soaring to an impressive 92%, the atmosphere feels crisp and lively, perfect for indulging in the local holiday spirit while exploring Lille's enchanting streets and festivities.

December Temperature in Lille

In Lille, France, December brings a noticeable chill as temperatures begin to dip, with minimums averaging around -4°C (26°F). The average temperature settles at a brisk 6°C (43°F), while maximums reach a comfortable 15°C (59°F), making this month a transition into winter’s embrace. As the year wraps up, the city experiences a delightful blend of frosty nights and moderately cool days, perfect for cozying up with a warm drink in vibrant cafes or taking leisurely strolls through its festive streets. The gradual descent in temperature from the milder fall months underscores a trend of winter's impending arrival, inviting visitors to savor Lille’s enchanting seasonal charm.

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

The chart illustrates December temperature patterns in Lille, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404346505664666660554643
Data source: Temperature data for Lille 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 Lille

December in Lille, France, marks a notable peak in precipitation, with an average of 95 mm (3.8 in) of rainfall spread across 17 days. This surge represents the highest monthly total of the year, emphasizing how winter settles in with an abundance of moisture. In comparison to earlier months, December stands out not only for its increased rainfall but also for the frequency of wet days, making it a month of consistent drizzles and occasional downpours. This trend contrasts sharply with the drier months of April and July, which both experience significantly less rain and fewer rainy days. As the year draws to a close, Lille transforms under a blanket of gloom, with ample opportunities for cozy indoor activities amidst the chilly and damp atmosphere.

December Precipitation Trends in Lille

The chart displays monthly precipitation patterns in Lille, 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.
JanFebMarAprMayJunJulAugSepOctNovDec655964366160507151825695
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lille

In Lille, France, December marks a continuation of the city’s characteristic winter humidity, aligning closely with the higher levels seen in the months preceding it. With humidity reaching 92%, December shares the same percentage as November, highlighting a seasonal trend where the colder months bring about a notable increase in moisture levels. As we look back, the year began with a high of 91% in January, and though the humidity generally decreases through the warmer months, it spikes again in late autumn. This pattern not only underscores the chilly ambiance of Lille in winter but also sets the stage for the characteristically damp northern French climate that defines its seasonal transitions.

December Average Humidity in Lille

This chart illustrates the average monthly humidity levels in Lille, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%85%82%82%80%76%82%89%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lille

In December, Lille experiences a low UV Index of 1, indicating minimal risk of harm from unprotected sun exposure. This marks a continuation of the trend observed in the earlier winter months, with January and February also showcasing low indexes of 1 and 2, respectively. As the year wraps up, the burn time remains generous at 45 minutes, allowing residents to enjoy the crisp outdoor air without the worry of sun damage. Following the higher readings seen in the summer months—when UV index values peaked at 8—the approach of winter clearly signals a much safer environment for sun exposure. For more detailed insights into Lille's UV patterns throughout the year, check out the Lille UV Index.

Maximum UV Index Levels in Lille for December

The chart shows the monthly maximum UV Index (UVI) for Lille 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Lille 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.

December Sunshine in Lille

December in Lille, France, is a month that marks the transition into winter, with 158 hours of sunshine illuminating the chilly days. As the year draws to a close, the sun's presence is noticeably diminished compared to the vibrant summer months, where July shines the brightest with an impressive 421 hours. The trend throughout the year showcases a gradual increase in daylight from the cold depths of January, which offers a mere 121 hours, to the warmth of late spring and summer. Despite the drop in sunlight during the colder months, December still provides a glimmer of brightness, serving as a reminder of the sunny days ahead as the city eagerly awaits the return of longer and warmer days.

Monthly Sunshine Duration in Lille: December Highlighted

The December sunshine duration represents the total number of hours Lille experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec121h200h278h351h404h412h421h389h325h249h203h158h
Data source: Lille December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lille During December

In Lille, France, December tends to embrace the winter chill with a meager 16% chance of sunny weather, making it one of the least promising months for sunshine. This reflects a noticeable trend as the year progresses, where the likelihood of sunny days generally increases from January's 14% to a peak of 52% in April before tapering off in the later months. By November, the chance drops to 22%, indicating that the sun becomes increasingly elusive as winter approaches. Overall, December's weather is a stark reminder that sunshine is a rare treat during this time of year in Lille, urging locals and visitors alike to prepare for more overcast days.

Percentage of Sunny Days in December in Lille

The chart illustrates the percentage of sunny days in Lille throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Lille experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%29%40%52%36%31%35%33%37%34%22%16%
Data source: Lille December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lille in December

In Lille, France, the daylight duration experiences a graceful ebb and flow throughout the year, peaking in the vibrant summer months and dwindling during the winter. December, much like January and November, offers a modest 8 hours of daylight, nestled in the darker half of the year, reflecting a pattern of shorter days that persist through late fall. As the seasons transition, daylight gradually increases, reaching a peak of 16 hours in June, before beginning a decline that marks the return to winter. This cyclical dance showcases the rhythm of nature, where longer days invite the warmth of spring and summer, while the winter months gently remind us of the quiet beauty of shorter daylight hours.

Average Daylight Hours in Lille for December

The chart illustrates the variation in daylight duration in Lille throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 30m10h 1m11h 55m13h 51m15h 32m16h 24m15h 56m14h 26m12h 34m10h 39m8h 55m8h 1m
Data source: Lille daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Lille

As December settles over Lille, France, the city experiences an average wind speed of 4.0 m/s (9 mph), embracing a gentle but invigorating breeze that echoes the transitions of the seasons. This month sees a slight uptick compared to the calm of late autumn, reflected in November's 3.2 m/s (7 mph). Interestingly, the wind speeds throughout the year reveal a pattern—typically stronger winds in the colder months, peaking in February at 4.4 m/s (10 mph). Meanwhile, the summer months tend to offer more subdued breezes, with June reaching its lowest at 2.8 m/s (6 mph). December's winds mimic the resilience of the season, creating a dynamic atmosphere that dances through the crisp winter air, preparing Lille for the chill of January ahead.

Average December Wind Speed in Lille

The chart displays monthly wind speed patterns in Lille, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.94.44.03.54.12.83.33.42.94.13.24.0 m/s
Data source: Lille December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Lille Compares to Other Months

The weather in Lille changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Lille and find detailed weather information for every month.

December and January weather display some notable differences, despite both months experiencing a range of temperatures that peak at 15°C (59°F). In December, the minimum temperature is slightly milder at -4°C (26°F), while January sees a lower minimum of -6°C (22°F). The average temperature in December is a touch warmer at 6°C (43°F) compared to January's average of 5°C (41°F). Additionally, December is characterized by greater precipitation, with about 95 mm (3.8 in) falling over 17 days, while January has reduced rainfall at 65 mm (2.6 in) over just 11 days. Humidity remains similar in both months, with December at 92% and January at 91%. For more detailed insights, check out Lille weather in January.

December and February present distinct weather patterns. In December, temperatures range from a minimum of -4°C (26°F) to a maximum of 15°C (59°F), with an average temperature of 6°C (43°F). This month sees a higher level of precipitation at 95 mm (3.8 in) across 17 days, paired with a humidity level of 92%. Conversely, February experiences slightly colder nights, with minimum temperatures around -8°C (18°F), but daytime highs can reach up to 19°C (66°F), maintaining the same average of 6°C (43°F) as December. The precipitation decreases to 59 mm (2.3 in) over 12 days, and humidity relaxes slightly to 89%. For more detailed insights on February weather, check out Lille weather in February.

December in Lille experiences a chilly climate, with average temperatures ranging from a minimum of -4°C (26°F) to a maximum of 15°C (59°F). The month sees a significant amount of precipitation, totaling 95 mm (3.8 in) over approximately 17 days, and high humidity levels around 92%. In contrast, March offers a noticeable transition to milder conditions, with temperatures typically between -7°C (20°F) and 22°C (72°F). Precipitation decreases to 64 mm (2.5 in) over about 14 days, accompanied by slightly lower humidity at 87%. For a more detailed look at the weather in March, visit Lille weather in March.

December and April present distinctly different weather patterns. In December, temperatures range from a minimum of -4°C (26°F) to a maximum of 15°C (59°F), with an average of 6°C (43°F). The month experiences significant humidity at 92%, along with 95 mm (3.8 in) of precipitation spread over 17 days, creating a damp and chilly atmosphere. In contrast, April sees a rise in temperatures, with a minimum of -2°C (28°F) and a maximum of 26°C (78°F), averaging around 10°C (51°F). This month enjoys considerably less precipitation at 36 mm (1.4 in) over just 7 days and lower humidity at 85%, leading to a fresher and more pleasant spring-like feel. For more details, visit Lille weather in April.

December and May present contrasting weather patterns. December typically experiences colder temperatures, with minimums dropping to -4°C (26°F) and average temperatures around 6°C (43°F), while highs can reach 15°C (59°F). In addition, this month sees more precipitation, totaling 95 mm (3.8 in) over about 17 days, and high humidity levels at 92%. In contrast, May boasts milder conditions, with minimum temperatures around 1°C (34°F) and average temperatures climbing to 13°C (57°F), peaking at a warm 28°C (83°F). Precipitation in May is lower at 61 mm (2.4 in), falling over 11 days, accompanied by a slightly lower humidity of 82%. For more detailed information, you can visit Lille weather in May.

December and June present stark contrasts in weather conditions. In December, temperatures can dip as low as -4°C (26°F), with an average of 6°C (43°F) and a maximum reaching 15°C (59°F). The month is characterized by high humidity at 92%, along with significant precipitation, totaling 95 mm (3.8 in) over around 17 days. In contrast, June warms up considerably, with minimum temperatures starting at 5°C (41°F) and averaging 18°C (64°F), peaking at a maximum of 33°C (91°F). The precipitation in June is less intense at 60 mm (2.4 in) over about 8 days, and humidity decreases slightly to 82%. For a closer look at the beautiful June climate, visit Lille weather in June.

December and July present strikingly contrasting weather conditions. In December, temperatures can dip as low as -4°C (26°F), with an average of 6°C (43°F) and a maximum of 15°C (59°F). This colder month also sees a high level of precipitation, with 95 mm (3.8 in) falling over approximately 17 days and humidity levels soaring to 92%. In stark contrast, July boasts a milder climate, where the minimum temperature starts at 8°C (46°F) and averages 19°C (66°F), reaching a maximum of 39°C (103°F) on the hottest days. Precipitation is notably lower at 50 mm (2.0 in) over just 10 days, with humidity levels decreasing to 80%. For a detailed look at what to expect during the summer, you can check Lille weather in July.

December and August showcase strikingly different weather patterns. In December, temperatures can plummet to a minimum of -4°C (26°F), with an average of just 6°C (43°F) and a maximum of 15°C (59°F). This month also experiences a higher frequency of precipitation, with about 95 mm (3.8 in) over 17 days and a humidity level reaching 92%. In contrast, August boasts milder temperatures, with a minimum of 8°C (47°F), an average of 19°C (66°F), and maximum highs soaring to 36°C (98°F). Precipitation is less frequent in August, totaling 71 mm (2.8 in) over 12 days, and humidity levels are more comfortable at 76%. For a more detailed look at August weather in Lille, visit Lille weather in August.

December and September present contrasting weather patterns. In December, temperatures range from a chilly minimum of -4°C (26°F) to a mild maximum of 15°C (59°F), with an average of 6°C (43°F). The month is characterized by considerable precipitation, with 95 mm (3.8 in) falling over 17 days and humidity levels reaching a high of 92%. In stark contrast, September boasts a much warmer climate, with temperatures starting at a minimum of 4°C (40°F) and peaking at 32°C (89°F), averaging 16°C (61°F). This month experiences significantly less precipitation at 51 mm (2.0 in) over just 9 days, and a lower humidity level of 82%. For more detailed insights on the weather, you can check Lille weather in September.

December weather is considerably colder than October, with average temperatures dropping to around 6°C (43°F) compared to October's more moderate average of 13°C (55°F). The minimum temperature in December can reach as low as -4°C (26°F), while in October, it rarely dips below 2°C (35°F). Additionally, December experiences more precipitation, totaling 95 mm (3.8 in) over 17 days, compared to October's 82 mm (3.2 in) across 13 days. Humidity levels are also slightly higher in December at 92%, contrasted with October's 89%. For more details, check out Lille weather in October.

December weather presents a colder and wetter climate compared to November. In December, temperatures range from a chilly -4°C (26°F) to a milder max of 15°C (59°F), while November experiences slightly warmer temperatures, with minimums of -1°C (30°F) and maximums reaching 19°C (67°F). Additionally, December sees a significant increase in precipitation, with 95 mm (3.8 in) over 17 days, compared to November's 56 mm (2.2 in) over 12 days. Both months share a high humidity level of 92%, but the overall chill and dampness of December create a distinctly different atmosphere. For more detailed information, you can check Lille weather in November.

Compare Lille's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Lille

As December settles in, Lille's weather transforms, showcasing a marked difference from the milder months that precede it. The city experiences a seasonal chill, with temperatures dipping noticeably, and there's an increase in precipitation, contributing to a more humid atmosphere that can feel quite biting. While the average temperature hovers around a brisk 6°C, the frequent rainfall—spanning roughly 17 days—adds to the wintry ambiance. This blend of cold and dampness creates a quintessentially French winter, inviting visitors to embrace warmer clothing and enjoy the cozy indoor charms of Lille. For a deeper understanding of how these conditions fit into the larger picture of the city’s climate, visit Lille Climate.