December Weather in Koblenz, Germany

Last updated: February 26, 2025

In Koblenz, Germany, December presents a chilly yet intriguing climate, with temperatures ranging from a maximum of 14°C (57°F) to a minimum of -6°C (22°F), and an average of 4°C (39°F). The month sees a considerable amount of precipitation, totaling 89 mm (3.5 in) across 17 days, ensuring the landscape remains lush and vibrant amidst the cold. With humidity levels peaking at a notable 92%, the air can feel particularly crisp, creating a picturesque winter atmosphere perfect for enjoying the historic charm of this beautiful city.

December Temperature in Koblenz

In Koblenz, Germany, December ushers in a chill that sets the stage for winter festivities, with temperatures reflecting the seasonal shift. The month experiences minimums around -6°C (22°F), while average highs reach a comfortable 14°C (57°F). This pattern indicates a steady decline from the slightly milder conditions of November, where temperatures hovered around 6°C (42°F) at their average. As the year draws to a close, Koblenz showcases a blend of crisp cold mornings and relatively mild afternoons, inviting locals and visitors alike to embrace the holiday spirit amidst charming winter landscapes. The gradual transition into colder temperatures signals the onset of cozy gatherings, warm beverages, and the enchanting atmosphere that defines this picturesque German city in December.

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

The chart illustrates December temperature patterns in Koblenz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec363842495564666658514239
Data source: Temperature data for Koblenz 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 Koblenz

In Koblenz, Germany, December stands out as the wettest month of the year, receiving an impressive 89 mm (3.5 in) of precipitation over 17 days. This increase in rainfall marks a notable transition from the milder conditions of late autumn, with November seeing only 46 mm (1.8 in) over 10 days. As winter sets in, the frequency of precipitation rises, reflecting the region's characteristic shift to wetter weather during the colder months. The december deluge not only highlights the seasonal climate patterns of Koblenz but also prepares the landscape for a serene winter, shrouded in the beauty of soft, silvery rain.

December Precipitation Trends in Koblenz

The chart displays monthly precipitation patterns in Koblenz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec605565376672676247554689
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Koblenz

In Koblenz, Germany, December ushers in a notable increase in humidity, reaching 92%, which marks the year's highest level. This uptick follows a consistent trend observed throughout the autumn months, as humidity gradually rises from 88% in October to 91% in November. As winter sets in, the air becomes increasingly damp, contrasting sharply with the mid-year lows of around 72% to 74% in July and June. This seasonal shift not only signifies a more humid environment but also reflects the region's typical winter characteristics, where cool air holds more moisture, creating a chilly yet refreshing atmosphere.

December Average Humidity in Koblenz

This chart illustrates the average monthly humidity levels in Koblenz, 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%90%87%84%77%74%72%71%81%88%91%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Koblenz

As the year comes to a close, December in Koblenz, Germany, sees a notable decrease in the UV Index, which drops to a low of 1. This reduction signifies minimal risk of harm from unprotected sun exposure, with a burn time of 45 minutes before anyone needs to consider protection. Following a summer of high UV ratings peaking at 8 in June and July, the winter months bring a welcomed respite for those looking to enjoy outdoor activities without the intense sun's rays. Notably, the transition from late fall to winter brings a consistent pattern of low UV exposure from November's Index of 2 to December's 1, emphasizing the importance of adapting sun protection strategies with the changing seasons. For more detailed insights into UV trends throughout the year, visit Koblenz UV Index.

Maximum UV Index Levels in Koblenz for December

The chart shows the monthly maximum UV Index (UVI) for Koblenz 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.
JanFebMarAprMayJunJulAugSepOctNovDec234578875421
Data source: Koblenz 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 Koblenz

In Koblenz, Germany, the sunshine dance throughout the year paints a vivid picture of seasonal change. December, with its modest 114 hours of sunlight, marks the end of a year where brightness steadily increased from a mere 104 hours in January, culminating in the sunniest month of July at 411 hours. As the year progresses, the sunshine hours reveal a steady ascent, particularly from February to June, when the days lengthen and the warmth beckons. However, as winter approaches, sunlight dwindles, with December's hours reflecting a significant drop from the vibrant summer months. Yet, this seasonal ebb and flow serves as a reminder of nature's rhythm, capturing the charm of Koblenz during its quieter, sun-kissed winter days.

Monthly Sunshine Duration in Koblenz: December Highlighted

The December sunshine duration represents the total number of hours Koblenz 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.
JanFebMarAprMayJunJulAugSepOctNovDec104h197h265h344h391h396h411h384h320h235h168h114h
Data source: Koblenz December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Koblenz During December

In December, Koblenz experiences a significant drop in the likelihood of sunny weather, with only a 12% chance of sunshine—one of the lowest rates observed throughout the year. This decline follows a slight increase in sun exposure from November, where the chance stood at 17%, but remains a stark contrast to the more favorable conditions found in the spring months. As the year winds down, the trend reveals that the chances of sun are gradually decreasing, peaking in the vibrant month of March at 42%. Overall, December’s chilly embrace signals the onset of winter, leaving residents and visitors alike to anticipate less sun and more clouds in this scenic German city.

Percentage of Sunny Days in December in Koblenz

The chart illustrates the percentage of sunny days in Koblenz 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 Koblenz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec9%31%42%43%30%31%32%30%39%26%17%12%
Data source: Koblenz December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Koblenz in December

In Koblenz, Germany, December marks the transition into the winter months, a time when daylight reaches its minimum at just 8 hours per day, mirroring the shorter days experienced in November. As the year progresses towards spring, there’s a noticeable increase in daylight, moving from 10 hours in February all the way to a peak of 16 hours in June. This gradual lengthening of days is particularly striking, with March and April showcasing a significant jump as daylight extends to 11 and 13 hours, respectively. By August, daylight begins its slow retreat, reflecting the cyclical nature of seasons, before again descending to 8 hours in December. The rhythm of daylight duration in Koblenz beautifully encapsulates the changing seasons, welcoming the return of brighter days as winter's grip loosens.

Average Daylight Hours in Koblenz for December

The chart illustrates the variation in daylight duration in Koblenz throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 34m10h 4m11h 55m13h 49m15h 27m16h 19m15h 51m14h 23m12h 33m10h 40m8h 59m8h 6m
Data source: Koblenz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Koblenz

As the year closes with December's arrival in Koblenz, the winds gently pick up, averaging 3.1 m/s (7 mph). This marks a subtle resurgence from the calmer breezes of earlier autumn, where November recorded just 2.5 m/s (6 mph). In fact, December's winds stand out as a notable contrast to the summer months, which typically see lower velocities, with June seeing its lightest breezes at 2.3 m/s (5 mph). Interestingly, while winter months tend to provoke perceptions of frigid gusts, December's average aligns closely with the spring's refreshing airs, particularly May's peak of 3.6 m/s (8 mph). Overall, December in Koblenz illustrates a dynamic shift, heralding the close of the year with a pleasantly brisk atmosphere, enriching the city's charm during this festive season.

Average December Wind Speed in Koblenz

The chart displays monthly wind speed patterns in Koblenz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.43.32.83.62.32.62.82.13.32.53.1 m/s
Data source: Koblenz December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Koblenz Compares to Other Months

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

December and January exhibit noticeable differences in weather patterns. December tends to be slightly milder, with average temperatures ranging from a chilly -6°C (22°F) to a more moderate max of 14°C (57°F), while January experiences colder conditions, with minimum temperatures dropping to -10°C (15°F) and a peak of only 12°C (54°F). Precipitation is heavier in December, accumulating 89 mm (3.5 in) over 17 days, compared to January's 60 mm (2.4 in) spread over 12 days. Humidity levels remain similar in both months, hovering around 91-92%. For a detailed look at January's climate, check out Koblenz weather in January.

In December, the weather tends to be cold, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 14°C (57°F), and an average of 4°C (39°F). This month also sees more precipitation, with 89 mm (3.5 in) falling over 17 days and humidity levels peaking at 92%. In contrast, February brings slightly colder temperatures, with a minimum of -11°C (12°F) and a maximum of 19°C (66°F), while maintaining a similar average of 3°C (39°F). Precipitation decreases to 55 mm (2.2 in) over 12 days, and humidity remains high at 90%. For more detailed insights about February weather, check out Koblenz weather in February.

December and March experience notably different weather conditions. In December, temperatures range from a minimum of -6°C (22°F) to a maximum of 14°C (57°F), with an average temperature of 4°C (39°F). The month is characterized by higher precipitation, totaling 89 mm (3.5 in) over about 17 days, and high humidity at 92%. In contrast, March sees a broader temperature spectrum, with lows of -12°C (11°F) and highs reaching 22°C (72°F), averaging at 6°C (43°F). Precipitation decreases to 65 mm (2.6 in) across approximately 14 days, and humidity is slightly lower at 87%. For more detailed information on March weather in Koblenz, you can visit Koblenz weather in March.

In comparing December and April weather, December presents a much colder and wetter climate, with average temperatures hovering around 4°C (39°F) and a notable 89 mm (3.5 in) of precipitation spread over 17 days. The humidity remains high at 92%, contributing to the chilly feel of the month. In contrast, April experiences a significant warming trend, with averages reaching 9°C (49°F) and a maximum of 26°C (79°F). Furthermore, April sees considerably less rainfall, with only 37 mm (1.4 in) of precipitation over just 8 days, and a lower humidity level at 84%. For those interested in detailed weather conditions, additional information can be found here: Koblenz weather in April.

In December, temperatures range from a chilly -6°C (22°F) to a mild 14°C (57°F), with an average of around 4°C (39°F). The month sees considerable precipitation, totaling 89 mm (3.5 in) over 17 days, accompanied by high humidity levels of 92%. In contrast, May brings a refreshing change with temperatures ranging from -1°C (31°F) to a warm 31°C (89°F), averaging 13°C (56°F). Precipitation decreases to 66 mm (2.6 in) spread over just 12 days, and the humidity drops to a more comfortable 77%. For a detailed look at Koblenz weather specifics in May, visit Koblenz weather in May.

December and June present strikingly different weather conditions. In December, temperatures range from a chilly -6°C (22°F) at night to a mild 14°C (57°F) during the day, with an average of 4°C (39°F). This month also experiences high humidity at 92% and significant precipitation, totaling 89 mm (3.5 in) over 17 days. In stark contrast, June boasts a warmer climate with minimum temperatures of 7°C (45°F) and maximums reaching up to 33°C (92°F), leading to an average of 18°C (65°F). Additionally, June is drier, with only 72 mm (2.8 in) of rain over 11 days and a lower humidity level of 74%. For more details on conditions in June, check out Koblenz weather in June.

December and July in Koblenz exhibit strikingly different weather patterns. December brings chilly conditions with average temperatures around 4°C (39°F) and a high of 14°C (57°F), accompanied by a notable humidity of 92% and precipitation occurring on 17 days, totaling 89 mm (3.5 in). In contrast, July experiences much warmer temperatures, with averages reaching 19°C (66°F) and highs soaring up to 37°C (100°F). The summer month enjoys lower humidity at 72% and less rainfall, with just 67 mm (2.6 in) over 10 days. For a detailed look at the conditions, check out this link: Koblenz weather in July.

When comparing the weather in December and August, one can see a stark contrast in both temperature and humidity. December experiences much colder temperatures, with a minimum of -6°C (22°F) and an average of only 4°C (39°F), while August is notably warmer, boasting a minimum of 6°C (43°F) and an average of 19°C (66°F). Additionally, humidity levels are significantly higher in December at 92%, compared to 71% in August, contributing to a chillier feel during the winter month. Precipitation also varies, with December receiving 89 mm (3.5 in) over 17 days, while August sees less rainfall at 62 mm (2.5 in) across 12 days. For more information on the weather in August, check out Koblenz weather in August.

December weather in Koblenz is markedly colder and wetter than September. Average temperatures in December range from a chilly -6°C (22°F) to a milder 14°C (57°F), with a significant amount of precipitation at 89 mm (3.5 in) over approximately 17 days. In contrast, September enjoys much milder conditions with temperatures ranging from 3°C (37°F) to a warm 31°C (88°F), accompanied by only 47 mm (1.8 in) of rain over about 7 days. Additionally, December’s humidity peaks at 92%, creating a damp atmosphere, while September’s humidity is more comfortable at 81%. For more insights into the weather in September, visit Koblenz weather in September.

The weather in December is significantly colder compared to October, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 14°C (57°F), while October offers milder highs of up to 24°C (76°F) with a minimum of 0°C (32°F) and an average of 11°C (52°F). Additionally, December experiences more precipitation, totaling 89 mm (3.5 in) over 17 days, compared to October’s 55 mm (2.2 in) across 12 days. Despite both months showing high humidity levels, December is slightly more humid at 92%, versus October’s 88%. For further details, you can check Koblenz weather in October.

In comparing the weather of December and November, December is notably colder, with average temperatures ranging from a minimum of -6°C (22°F) to a maximum of 14°C (57°F), while November experiences milder conditions with temperatures from -3°C (27°F) to 19°C (67°F). Additionally, December sees increased precipitation, measuring 89 mm (3.5 in) over 17 days, compared to November's 46 mm (1.8 in) over just 10 days. Humidity levels remain similar, with December at 92% and November at 91%. For more detailed information, you can visit Koblenz weather in November.

Compare Koblenz's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Koblenz

As December rolls into Koblenz, the weather transforms into a much chillier experience compared to the milder months preceding it. Characterized by cool temperatures, it can drop significantly at night, with the humidity often lingering at a notable 92%, creating a crisp atmosphere that's perfect for bundling up. Precipitation is also more frequent this month, with frequent rainy days contributing to the overall ambiance. This combination of cold temperatures and damp conditions sets December apart, making it a unique time in Koblenz's weather cycle as the city prepares for the cozy charm of winter. For a deeper look into what to expect throughout the year, check out the full details at Koblenz Climate.