December Weather in Metz, France

Last updated: February 26, 2025

December in Metz, France presents a charming yet chilly landscape, with temperatures ranging from a brisk -6°C (22°F) at night to a pleasant 15°C (59°F) during the day. The average temperature hovers around 5°C (40°F), inviting cozy layers for outdoor enjoyment. This month also sees considerable precipitation, accumulating to 115 mm (4.5 in) over 19 days, often shrouding the city in a misty embrace. With humidity levels reaching 93%, the air feels crisp and invigorating, making December a truly enchanting time to experience Metz’s unique winter ambiance.

December Temperature in Metz

In Metz, France, December marks the transition into winter, with temperatures reflecting a characteristic chill. The month typically sees minimums around -6°C (22°F), hinting at the cold snap that precedes the holiday season. While daytime averages hover around 5°C (40°F), peaks can reach a mild 15°C (59°F), offering a brief respite from the cold. Compared to the preceding months, December’s temperatures significantly drop, echoing the trend of cooling that begins in November. Residents and visitors alike can expect brisk air and the potential for snow, making it a cozy time of year to enjoy the festive atmosphere that envelops the city.

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

The chart illustrates December temperature patterns in Metz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec374144515767696861534340
Data source: Temperature data for Metz 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 Metz

As December rolls into Metz, France, the city experiences a notable spike in precipitation, with a significant 115 mm (4.5 in) falling over the month, making it one of the wettest periods of the year. This uptick is mirrored by an increase in rainy days, with 19 days of precipitation, which is the highest frequency recorded compared to other months. In stark contrast to the drier spring months, where April sees only 42 mm (1.7 in) over just 9 days, December's persistent rain can transform the city into a cozy, atmospheric locale, inviting both locals and visitors to enjoy its festive charm amidst the drizzling skies. The pattern suggests a transition into deeper winter, where not only the amount but also the frequency of rain contributes to Metz’s unique seasonal character.

December Precipitation Trends in Metz

The chart displays monthly precipitation patterns in Metz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7573714275706545656972115
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Metz

As December approaches in Metz, France, residents experience a noticeable increase in humidity levels, peaking at 93%. This marks a steady climb from the slightly lower humidity of 89% in October and 91% in November. The trend reflects the transition from the cooler autumn months, where humidity fluctuates between 90% and 89%, to the outset of winter, when the air grows increasingly moist. Notably, December holds the highest humidity of the year, surpassing the spring and summer months, which generally remain in the low 80s. Such damp conditions can create a cozy, albeit chilly, atmosphere as the year draws to a close, enveloping Metz in a blanket of winter serenity.

December Average Humidity in Metz

This chart illustrates the average monthly humidity levels in Metz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Metz

In December, Metz, France, experiences a low UV Index of 1, making sun exposure relatively minimal and safe, with a burn time of approximately 45 minutes. This marks a notable decline from the very high levels seen in summer, where the index soared to 8 or 9 in June and July, requiring significantly shorter exposure times of just 15 minutes. The gradual descent from moderate levels in the spring to low levels by winter highlights a clear seasonal trend. Thus, during this chilly month, residents can enjoy the outdoors without the immediate concern of sunburn, making December an ideal time to soak in the winter sun. For more details on UV levels throughout the year, visit Metz UV Index.

Maximum UV Index Levels in Metz for December

The chart shows the monthly maximum UV Index (UVI) for Metz 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.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Metz 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 Metz

In Metz, France, December brings a gentle decline in sunshine, totaling 122 hours, as winter edges in. Following the vibrant radiance of the summer months, where July shines with 414 hours, December contrasts sharply with its quick descent into shorter days. Interestingly, while January starts the year with the least sunlight at 113 hours, December still holds onto a remarkable amount considering the chill. The gradual increase from November's 179 hours to December reflects a lingering daylight lingering amidst the winter gloom. This trend showcases Metz's seasonal rhythm, where even in the depths of winter, hints of sunlight continue to dance through the cold, casting a warm glow over the city.

Monthly Sunshine Duration in Metz: December Highlighted

The December sunshine duration represents the total number of hours Metz 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.
JanFebMarAprMayJunJulAugSepOctNovDec113h200h260h345h388h409h414h388h315h244h179h122h
Data source: Metz December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Metz During December

In Metz, France, December offers a notably low 14% chance of sunny weather, making it one of the dreariest months of the year. As we transition from the relative brightness of autumn—where September boasts a more promising 43% chance of sun—to the depths of winter, the probability of enjoying clear skies diminishes significantly. This trend contrasts sharply with the vibrant sunlit days of spring, reaching a peak of 54% in April, hinting at the seasonal shifts that usher in colder, cloudier months. As daylight shortens and temperatures drop, residents and visitors alike should prepare for the likelihood of overcast skies rather than basking in sunshine.

Percentage of Sunny Days in December in Metz

The chart illustrates the percentage of sunny days in Metz 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 Metz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%36%45%54%35%34%38%30%43%34%21%18%
Data source: Metz December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Metz in December

In Metz, France, the daylight duration experiences a fascinating transformation throughout the year. December, with its 8 hours of daylight, marks the lowest point of this cycle, as the city grapples with the waning light and the winter chill. Following a gradual increase, daylight peaks in June at a generous 16 hours, offering long, sun-drenched days. This seasonal rhythm reflects a steady rise from January's 8 hours to May's 15 hours before tapering off again. As the year progresses, spring introduces longer days, with March and April bringing refreshing increases in sunlight. The gentle decline from October's 10 hours to November's 9 hours and back down to December’s brevity serves as a reminder of nature's cyclical pattern, inviting residents to appreciate the light in every season.

Average Daylight Hours in Metz for December

The chart illustrates the variation in daylight duration in Metz throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 44m10h 9m11h 55m13h 44m15h 18m16h 6m15h 41m14h 17m12h 32m10h 44m9h 7m8h 17m
Data source: Metz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Metz

In December, Metz, France, experiences a gentle breeze with an average wind speed of 3.7 m/s (8 mph), a noticeable shift towards the calmer end of the spectrum compared to earlier months. After a peak in May at 4.4 m/s (10 mph), wind speeds gradually declined through the summer and fall, reaching their lowest in June and September at 2.7 m/s (6 mph). As winter sets in, December's winds are slightly brisker than the previous month, hinting at the season's invigorating chill. Overall, the data illustrates a trend of fluctuating wind patterns, with winter bringing a refreshing yet moderate gust that complements the picturesque holiday atmosphere in Metz.

Average December Wind Speed in Metz

The chart displays monthly wind speed patterns in Metz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.14.13.63.34.42.73.03.12.63.53.03.7 m/s
Data source: Metz December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Metz Compares to Other Months

The weather in Metz 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 Metz and find detailed weather information for every month.

December tends to be milder than January, with average temperatures around 5°C (40°F) as opposed to January’s average of 3°C (37°F). However, January experiences lower minimum temperatures, dropping to as low as -10°C (15°F), compared to December's minimum of -6°C (22°F). Precipitation is more frequent in December, with 115 mm (4.5 in) recorded over 19 days, while January sees less rain at 75 mm (3.0 in) over 12 days. Humidity levels remain relatively high in both months, with December at 93% and January slightly lower at 91%. For a more detailed look at what to expect, check out Metz weather in January.

December weather tends to be relatively mild but damp, with average temperatures reaching 5°C (40°F) and a maximum of 15°C (59°F). However, the month sees quite a bit of precipitation, with 115 mm (4.5 inches) falling over 19 days and a high humidity level of 93%. In contrast, February offers colder conditions with minimum temperatures dropping to -10°C (14°F) while still maintaining an average of 5°C (41°F). The month is drier, with only 73 mm (2.9 inches) of precipitation over 12 days, and humidity levels slightly lower at 90%. For a detailed look at the February climate in Metz, check out Metz weather in February.

In December, the weather tends to be colder, with average temperatures ranging from a minimum of -6°C (22°F) to a maximum of 15°C (59°F). The month experiences significant precipitation, totaling 115 mm (4.5 inches) over approximately 19 days, accompanied by high humidity levels at 93%. In contrast, March sees slightly milder temperatures, with a minimum of -11°C (13°F) and a maximum of 23°C (74°F), along with reduced precipitation of 71 mm (2.8 inches) over 13 days. Additionally, humidity levels are somewhat lower in March at 88%. For more detailed weather insights for March, check out Metz weather in March.

December weather is characterized by colder temperatures, with a minimum of -6°C (22°F) and an average of 5°C (40°F), reaching a maximum of 15°C (59°F). The month is quite wet, receiving 115 mm (4.5 in) of precipitation over 19 days, and experiences high humidity levels at 93%. In contrast, April offers a milder climate, with temperatures ranging from a minimum of -3°C (26°F) to an average of 10°C (51°F) and a maximum of 27°C (80°F). Precipitation is significantly less at 42 mm (1.7 in) spread across just 9 days, and humidity decreases to 84%. For a closer look at the spring weather patterns, you can visit Metz weather in April.

December weather is characterized by cold temperatures, with lows dipping to -6°C (22°F) and an average of just 5°C (40°F). The month also sees considerable precipitation, averaging 115 mm (4.5 in) over 19 days, and high humidity levels at 93%. In contrast, May offers a much milder climate, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 33°C (92°F) and an average of 14°C (58°F). Precipitation is lower in May, averaging 75 mm (3.0 in) over 12 days, and humidity decreases to 81%. For a detailed look at weather patterns during this period, see Metz weather in May.

December and June present strikingly contrasting weather patterns. In December, temperatures range from a chilly minimum of -6°C (22°F) to a mild maximum of 15°C (59°F), with an average of 5°C (40°F). The month is quite wet, experiencing 115 mm (4.5 in) of precipitation over 19 days and high humidity levels at 93%. In contrast, June offers a much warmer climate, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 37°C (99°F), and an average temperature of 19°C (67°F). Precipitation decreases to 70 mm (2.8 in) over just 11 days, accompanied by lower humidity at 82%. This shift in weather not only affects daily life but also showcases the seasonal transformation in the region. For more detailed insights, check out Metz weather in June.

December and July offer a stark contrast in weather conditions. In December, temperatures can plunge to a minimum of -6°C (22°F) with an average of 5°C (40°F) and can peak at 15°C (59°F). The month is characterized by significant precipitation, totaling 115 mm (4.5 in) across 19 days, and a high humidity level of 93%. In contrast, July experiences much warmer temperatures with a minimum of 8°C (46°F) and an average of 21°C (69°F), reaching a maximum of 40°C (104°F). This month sees less precipitation, at 65 mm (2.6 in) over just 9 days, and lower humidity at 82%. For more detailed information, you can check Metz weather in July.

In December, the weather is noticeably colder, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 15°C (59°F) and an average of 5°C (40°F). This month also sees considerable precipitation, totaling 115 mm (4.5 in) across approximately 19 days, coupled with high humidity at 93%.

In stark contrast, August enjoys milder temperatures, with a minimum of 8°C (46°F) and a maximum that can soar to 37°C (99°F), averaging around 20°C (69°F). The precipitation is significantly less in August, accumulating only 45 mm (1.8 in) over 11 days, and the humidity levels, while higher than in winter, sit at a more comfortable 80%.

For a detailed look at what to expect this summer, visit Metz weather in August.

In December, weather conditions are considerably colder and more humid compared to September. December experiences average temperatures ranging from a chilly -6°C (22°F) to a milder 15°C (59°F), while September boasts more comfortable temperatures with a minimum of 4°C (40°F) and a maximum of 33°C (92°F). Precipitation is also higher in December, with 115 mm (4.5 inches) falling over 19 days, compared to September's 65 mm (2.6 inches) across just 9 days. The humidity in December reaches a higher average of 93%, compared to September's 83%. For a detailed look at September weather in Metz, check out Metz weather in September.

In comparing the weather of December and October, December is significantly colder, with average temperatures ranging from a minimum of -6°C (22°F) to a maximum of 15°C (59°F), while October enjoys milder conditions, with temperatures spanning from a minimum of 1°C (34°F) to a maximum of 26°C (79°F). Precipitation is more frequent in December, occurring on 19 days and totaling 115 mm (4.5 in), compared to October, which sees rain on only 11 days with a total accumulation of 69 mm (2.7 in). Additionally, December's humidity is slightly higher at 93%, compared to October's 89%. For a more detailed look at October weather, you can visit Metz weather in October.

December weather tends to be colder than November, with average temperatures dropping from 6°C (43°F) in November to about 5°C (40°F) in December, and minimum temperatures falling from -3°C (27°F) to -6°C (22°F). While November can see a maximum of up to 21°C (70°F), December's highs are significantly lower, peaking at just 15°C (59°F). Additionally, December experiences more precipitation, totaling 115 mm (4.5 in) over 19 days, compared to 72 mm (2.8 in) across 12 days in November. Humidity levels also increase slightly, rising from 91% in November to 93% in December. For a detailed look at November's weather in Metz, check out Metz weather in November.

Compare Metz's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Metz

As December settles over Metz, the weather contrasts sharply with the preceding months, bringing a chill that envelopes the city. With an average temperature dipping to 5°C (40°F) and nights that can plummet to -6°C (22°F), it's a time for warmth and comfort indoors. The month sees significant rainfall, accumulating to 115 mm (4.5 in) over approximately 19 days, resulting in a damp and often foggy atmosphere. The high humidity of 93% only adds to the wintry feel, making this month quite distinct in the Metz climate calendar. For those who want to explore more about what to expect throughout the year, visit Metz Climate.