December Weather in Hamburg, Germany

Last updated: February 26, 2025

December in Hamburg, Germany offers a blend of chilly weather and festive charm. With maximum temperatures reaching 12°C (54°F) and an average of 4°C (40°F), locals and visitors alike must brace for cool conditions, especially with nighttime lows dipping to a brisk -11°C (13°F). The city experiences around 69 mm (2.7 in) of precipitation over 13 days, leading to a 90% humidity level that adds to the wintery atmosphere. Those wandering through Hamburg this month should prepare for the seasonal chill while enjoying the twinkling lights and vibrant holiday spirit.

December Temperature in Hamburg

In December, Hamburg experiences a notable chill, with temperatures ranging from a chilly -11°C (13°F) at night to a modest average of 4°C (40°F) during the day. As the city transitions further into winter, the maximum temperature reaches only 12°C (54°F), marking a significant drop compared to the milder months preceding it. This month showcases the typical trend of decreasing temperatures, contrasting sharply with the warmer early autumn months, and setting a brisk tone for the festive season. With the holiday spirit in the air, residents and visitors alike can enjoy the enchanting atmosphere amidst the crisp winter scenery, as Hamburg settles into its coldest period of the year.

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

The chart illustrates December temperature patterns in Hamburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec373841485565656659534439
Data source: Temperature data for Hamburg 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 Hamburg

In December, Hamburg experiences a noteworthy precipitation pattern with a total of 69 mm (2.7 in) of rain falling across 13 days, marking a significant conclusion to the year. This volume is somewhat higher than the precipitation levels recorded in November, maintaining a consistent trend of damp winters. Interestingly, December's rainfall often contributes to a cozy, yet chilly atmosphere, as residents transition from the festive holiday season into the new year. Despite the cold and gloom, the relatively stable precipitation, similar to earlier winter months, reflects Hamburg's reputation for overcast skies and frequent rain, reinforcing its maritime climate. As the year wraps up, December's weather encapsulates the city's resilient spirit, embracing the elements with its characteristic charm.

December Precipitation Trends in Hamburg

The chart displays monthly precipitation patterns in Hamburg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec625563457070837351765169
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hamburg

In December, Hamburg experiences a humidity level of 90%, indicative of a chill in the air as winter fully sets in. This month aligns closely with the high humidity seen in November, emphasizing the city’s moist conditions as the year draws to a close. Interestingly, humidity begins to rise again after reaching a low of 66% in June and July, reflecting the seasonal shift from summer's drier warmth towards the wetter winter months. As the year progresses, we observe a trend of increasing humidity—from a low of 73% in May, gradually climbing back up through the fall months. This persistent moisture in December can make the chill feel even more penetrating, characteristic of Hamburg's unique maritime climate.

December Average Humidity in Hamburg

This chart illustrates the average monthly humidity levels in Hamburg, 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%82%73%66%66%67%81%86%90%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Hamburg

In December, Hamburg experiences a low UV Index of 1, inviting residents and visitors to enjoy the festive season with minimal sun exposure concerns. With a burn time of 45 minutes, it's the perfect opportunity to embrace outdoor activities without the worry of UV damage. This trend of lower UV levels continues from November to January, indicating a significant drop from the higher indices observed in the summer months, such as June's peak of 8. As daylight wanes and temperatures drop, the focus shifts to staying warm and enjoying the seasonal cheer, all while keeping UV safety in mind. For more detailed information, you can check the UV Index in Hamburg here: Hamburg UV Index.

Maximum UV Index Levels in Hamburg for December

The chart shows the monthly maximum UV Index (UVI) for Hamburg 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.
JanFebMarAprMayJunJulAugSepOctNovDec123578775321
Data source: Hamburg 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 Hamburg

In Hamburg, December brings a gentle embrace of sunlight, with an average of 100 hours illuminating the city. As winter settles in, this marks a dip from the lively glow of the preceding months; however, it reflects a consistent yearly trend. Notably, the city basks in its most radiant moments during the vibrant summer months, peaking in July with 411 hours. The gradual decline in daylight hours from the height of summer to the depths of winter is a familiar story, with January still holding on to a modest 98 hours. Despite the cooling temperatures, December’s brief bursts of sunshine serve as a reminder of the changing seasons, promising the eventual return of longer, brighter days ahead.

Monthly Sunshine Duration in Hamburg: December Highlighted

The December sunshine duration represents the total number of hours Hamburg 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.
JanFebMarAprMayJunJulAugSepOctNovDec98h179h254h351h396h408h411h384h308h245h153h100h
Data source: Hamburg December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hamburg During December

When it comes to December weather in Hamburg, Germany, the likelihood of sunny days is notably low, with only a 17% chance of sunshine. This marks a continuation of the trend observed in the preceding months, where the chances of sun dip as autumn progresses. November, for instance, sees a slight decrease to 14%, paving the way for the chilly and often overcast winter days ahead. While December is not the sunniest month, it does offer a glimmer of hope for those yearning for a touch of brightness amid the festive season's shorter days. Comparatively, the brighter spring months like April (40%) and March (34%) demonstrate a stark contrast, setting the anticipation for sunnier times in the year to come.

Percentage of Sunny Days in December in Hamburg

The chart illustrates the percentage of sunny days in Hamburg 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 Hamburg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%25%34%40%27%33%31%30%28%27%14%17%
Data source: Hamburg December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hamburg in December

In December, Hamburg experiences a significant dip in daylight duration, offering only 7 hours of sunlight each day. This decline continues the trend observed as the year winds down, with daylight gradually decreasing from a peak of 16 hours in the summer months of June and July. The transition into winter brings shorter days that can evoke a cozy ambiance, yet also serve as a reminder of the natural cycle in which daylight hours steadily ascend from their low point in December to a rejuvenating rise in the spring. As the year shifts, this rhythmic ebb and flow of light captures the enchanting essence of Hamburg's changing seasons.

Average Daylight Hours in Hamburg for December

The chart illustrates the variation in daylight duration in Hamburg throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 5m9h 48m11h 54m14h 2m15h 56m16h 56m16h 24m14h 41m12h 37m10h 30m8h 34m7h 32m
Data source: Hamburg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Hamburg

As December settles in over Hamburg, the city's average wind speed holds steady at 3.8 m/s (9 mph), mirroring the breezy conditions of the preceding months. This consistency underscores a slight uptick in wind strength as winter approaches, a contrast to the calmer days of summer when the average dipped to 2.6 m/s (6 mph) in June. Throughout the year, wind speeds generally fluctuate between 2.6 m/s and 4.1 m/s, suggesting that Hamburg experiences a gentle yet persistent breeze. The transition from autumn to winter, marked by 3.7 m/s in November and just slightly higher in December, hints at the invigorating chill of winter winds that sweep across the city, inviting residents and visitors alike to enjoy the unique charm of the season.

Average December Wind Speed in Hamburg

The chart displays monthly wind speed patterns in Hamburg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.83.73.83.73.82.63.13.63.14.13.73.8 m/s
Data source: Hamburg December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Hamburg Compares to Other Months

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

In December, the weather features a minimum temperature of -11°C (13°F) and an average of 4°C (40°F), with a maximum reaching 12°C (54°F). The month experiences about 69 mm (2.7 in) of precipitation over 13 days, coupled with high humidity levels averaging around 90%. In contrast, January sees slightly milder conditions, with a minimum of -10°C (14°F) and an average temperature of 3°C (38°F), peaking at 13°C (56°F). Precipitation decreases to 62 mm (2.4 in) over 11 days, while humidity remains slightly elevated at 91%. For more details on January weather, visit Hamburg weather in January.

December and February exhibit notable differences in weather patterns. In December, temperatures range from a low of -11°C (13°F) to a mild high of 12°C (54°F), with an average of 4°C (40°F). The month sees about 69 mm (2.7 in) of precipitation over 13 days, accompanied by high humidity at 90%. In contrast, February experiences slightly colder temperatures, with lows reaching -13°C (9°F) and highs peaking at 18°C (65°F), resulting in an average of 3°C (38°F). Precipitation in February is lower at 55 mm (2.2 in), occurring over 11 days, and humidity remains close at 89%. For more detailed insights, check out Hamburg weather in February.

December and March exhibit notable differences in weather patterns. In December, temperatures range from a minimum of -11°C (13°F) to a maximum of 12°C (54°F), with an average temperature around 4°C (40°F). The month typically sees around 69 mm (2.7 in) of precipitation over 13 days and maintains a high humidity level of 90%. In contrast, March experiences slightly colder lows of -15°C (6°F) but warmer highs, reaching up to 20°C (69°F) with an average of 5°C (42°F). Precipitation in March totals approximately 63 mm (2.5 in) over 12 days, and humidity is slightly lower at 87%. For more detailed information, you can refer to Hamburg weather in March.

When comparing the weather in December and April, significant contrasts emerge. December is characterized by colder temperatures, ranging from a minimum of -11°C (13°F) to a maximum of 12°C (54°F), with an average of around 4°C (40°F). Additionally, it experiences higher humidity at 90% and more frequent precipitation, with 69 mm (2.7 in) over 13 days. In contrast, April brings milder temperatures, with a minimum of -3°C (27°F) and a maximum reaching 27°C (80°F), averaging 9°C (48°F). The month also sees less precipitation, totaling 45 mm (1.8 in) over 10 days, and a slightly lower humidity level of 82%. For a detailed look at what to expect, check out Hamburg weather in April.

In December, temperatures in Hamburg range from a chilly minimum of -11°C (13°F) to a mild maximum of 12°C (54°F), with an average of around 4°C (40°F). The month experiences relatively high humidity at 90%, along with about 69 mm (2.7 in) of precipitation over 13 days. In contrast, May brings warmer temperatures, with a minimum of -1°C (31°F) and a maximum reaching up to 31°C (88°F), leading to an average temperature of 13°C (56°F). While precipitation remains similar at 70 mm (2.8 in) spread over 13 days, humidity drops significantly to 73%. For more details on May's weather specifics, you can visit Hamburg weather in May.

December and June offer contrasting weather experiences, reflecting the stark differences between winter and summer. In December, temperatures plummet to a minimum of -11°C (13°F), while the average sits around 4°C (40°F), peaking at 12°C (54°F). The month sees considerable precipitation with about 69 mm (2.7 in) over 13 days, accompanied by a high humidity level of 90%. Conversely, June boasts a much milder climate, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 33°C (92°F) and an average temperature of 18°C (65°F). Rainfall remains similar at 70 mm (2.7 in) but occurs over just 11 days, and the humidity drops to 66%. For more detailed insights into the June climate, you can visit Hamburg weather in June.

December and July present contrasting weather patterns. In December, temperatures can plunge as low as -11°C (13°F), with an average around 4°C (40°F) and maximums reaching 12°C (54°F). The month sees a high level of humidity at 90% and experiences around 69 mm (2.7 in) of precipitation over 13 days.

In stark contrast, July enjoys milder temperatures, with minimums of 7°C (45°F), averages of 18°C (65°F), and maximums soaring up to 35°C (96°F). The humidity is significantly lower at 66%, and the month receives 83 mm (3.3 in) of precipitation over just 12 days. For more detailed information about Hamburg's July weather, you can visit Hamburg weather in July.

December and August present strikingly different weather patterns. In December, temperatures can plummet as low as -11°C (13°F), with an average of 4°C (40°F) and a maximum of 12°C (54°F), creating a cold and frosty atmosphere. This month sees approximately 69 mm (2.7 in) of precipitation over 13 days, coupled with a high humidity of 90%, contributing to a damp chill in the air.

Conversely, August offers a much warmer climate, with minimum temperatures around 6°C (44°F), an average of 19°C (66°F), and maximums soaring to 35°C (96°F). Although it has slightly more precipitation at 73 mm (2.9 in) over 14 days, the humidity is significantly lower at 67%, providing a much more comfortable summer feel. For more detailed insights into summer weather, check out Hamburg weather in August.

December weather is characterized by much colder temperatures, with a minimum of -11°C (13°F) and an average of 4°C (40°F), while September enjoys milder conditions, ranging from a minimum of 2°C (36°F) to a maximum of 31°C (88°F) and an average temperature of 15°C (59°F). Precipitation is slightly higher in December, with 69 mm (2.7 in) falling over 13 days compared to 51 mm (2.0 in) over 10 days in September. Additionally, December's humidity is notably higher at 90%, compared to September's 81%, contributing to the overall chill of the winter month. For more detailed insights, you can check out Hamburg weather in September.

In comparing December and October weather, December brings a noticeable drop in temperatures, with averages around 4°C (40°F) compared to October's milder 11°C (53°F). The maximum temperature in December reaches only 12°C (54°F), while October can soar up to 27°C (81°F). Precipitation is relatively consistent, with December receiving 69 mm (2.7 in) over 13 days and October slightly wetter at 76 mm (3.0 in) across 15 days. Additionally, December experiences higher humidity at 90%, compared to October's 86%. For a detailed look at October's specific conditions, check out Hamburg weather in October.

In December, the weather takes a notable turn with average temperatures dropping to around 4°C (40°F), compared to November's milder average of 7°C (44°F). The minimum temperature in December can plummet to -11°C (13°F), while November sees a higher minimum of -3°C (27°F). Precipitation also increases, with December recording 69 mm (2.7 in) over 13 days, compared to November's 51 mm (2.0 in) over 11 days. Despite the shorter days and cooler temperatures, both months maintain high humidity levels at 90%. For a more detailed outlook on November's weather, you can check Hamburg weather in November.

Compare Hamburg's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Hamburg

As December settles in, Hamburg experiences a distinct shift in weather that's markedly different from the milder months preceding it. With its chillier temperatures and heightened humidity, the city embraces a wintery atmosphere, averaging around 4°C while dipping to lows that can feel like a biting -11°C. Rainfall becomes more frequent, with precipitation recorded on 13 days throughout the month, summing up to 69 mm. This blend of cold and wet creates a cozy backdrop for the festive season, making it a unique time to experience Hamburg's charm. For a more in-depth look at the city's overall weather patterns, check out Hamburg Climate.