December Weather in Helgoland, Germany

Last updated: February 26, 2025

In Helgoland, Germany, December brings a chill characterized by a maximum temperature of 11°C (52°F), an average of 7°C (44°F), and a minimum dipping to -1°C (30°F). The island experiences significant precipitation, with around 102 mm (4.0 in) over 20 days, contributing to an 87% humidity level that enhances the brisk atmosphere. Visitors and residents alike should prepare for a blend of cool temperatures and frequent rainfall, making it a quintessential winter month on this scenic island.

December Temperature in Helgoland

As December arrives in Helgoland, Germany, temperatures start to dip, providing a chilling contrast to the milder months preceding it. With minimum temperatures hovering around -1°C (30°F), the island begins to embrace the winter season. The average temperature settles at 7°C (44°F), giving residents and visitors alike a brisk but bearable atmosphere. Daytime highs reach up to 11°C (52°F), hinting at occasional breaks in the gloominess. This December climate marks a noticeable shift from the autumnal warmth of November, where temperatures lingered in the low teens, crafting a clear pathway into the season's chillier embrace. As the year draws to a close, Helgoland reveals its frosty charm, perfect for anyone looking to experience a true winter landscape.

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

The chart illustrates December temperature patterns in Helgoland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414041455259636561564944
Data source: Temperature data for Helgoland 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 Helgoland

In December, Helgoland, Germany, experiences a notable uptick in precipitation, with an average of 102 mm (4.0 in) of rain across approximately 20 days. This marks a slight increase from November's 100 mm, suggesting a trend of wetter conditions as the year draws to a close. The frequency of rainy days peaks this month, highlighting the island's transition into a more consistently damp winter climate. Interestingly, while December’s rainfall is substantial, it follows the trend of escalating precipitation that starts in early autumn, culminating in October's peak of 139 mm. This pattern hints at a climate characterized by increased moisture in the late months of the year, enveloping Helgoland in a chilly, wet atmosphere perfect for the holiday season.

December Precipitation Trends in Helgoland

The chart displays monthly precipitation patterns in Helgoland, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8071654242576691107139100102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Helgoland

In December, Helgoland experiences a noteworthy humidity level of 87%, reflecting a slight dip from the humid heights of the preceding months. As the year draws to a close, humidity levels tend to stabilize, fluctuating between 87% and 89% since January. This consistency hints at a maritime climate heavily influenced by the North Sea, where humidity peaks in the winter months before gradually declining as spring approaches. The trend shows a gradual decrease from the 79% mark in May, culminating in a notable spike in the late fall and early winter, as Helgoland transitions into its chillier season. This seasonal rhythm underscores the island's dynamic weather patterns, characterized by moisture-laden air that enriches its unique environment.

December Average Humidity in Helgoland

This chart illustrates the average monthly humidity levels in Helgoland, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%84%79%75%76%77%84%87%88%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Helgoland

In Helgoland, Germany, the December UV Index sees a return to low levels, measuring at just 1. This trend reflects the gradual decline in UV radiation as winter sets in, providing a reprieve from the higher indices witnessed in the summer months. With a burn time of approximately 45 minutes, outdoor activities can be enjoyed with minimal sun exposure concerns. Overall, the month continues the pattern of lower UV levels seen in November and January, emphasizing the seasonal fluctuations characteristic of this coastal environment. For more detailed information, visit the Helgoland UV Index.

Maximum UV Index Levels in Helgoland for December

The chart shows the monthly maximum UV Index (UVI) for Helgoland 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.
JanFebMarAprMayJunJulAugSepOctNovDec123568765321
Data source: Helgoland 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 Helgoland

In Helgoland, Germany, December marks a gentle decline in daylight, with just 125 hours of sunshine illuminating the island. This month follows a gradual tapering of bright days, echoing the rich sunlight of the summer months like July, which boasts a vibrant 434 hours. As the calendar turns from autumn to winter, the diminishing sunshine reflects a broader trend of decreasing daylight, peaking in June at 418 hours before steadily receding through the colder months. Despite its limited brightness in December, the island's rocky shores and distinct charm remain captivating, welcoming visitors to experience the unique beauty of winter in Helgoland.

Monthly Sunshine Duration in Helgoland: December Highlighted

The December sunshine duration represents the total number of hours Helgoland 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.
JanFebMarAprMayJunJulAugSepOctNovDec101h187h282h363h417h418h434h403h320h244h168h125h
Data source: Helgoland December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Helgoland During December

In December, Helgoland experiences a modest chance of sunny weather, with only a 20% likelihood of enjoying bright days. This figure mirrors the earlier winter months like January and November, which also hover around the same percentage. As the year progresses, the sun's presence becomes more pronounced, with April seeing a significant uptick at 51%, suggesting a clear trend towards brighter weather as spring approaches. However, December remains firmly ensconced in the depths of winter, where overcast skies often prevail. Travelers should be prepared for the likelihood of clouds and chilly winds, with sunshine playing a rare cameo amidst the dreariness.

Percentage of Sunny Days in December in Helgoland

The chart illustrates the percentage of sunny days in Helgoland 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 Helgoland experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%28%37%51%30%40%37%38%33%28%19%20%
Data source: Helgoland December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Helgoland in December

As we step into December on Helgoland, Germany, the daylight duration drifts back down to 7 hours, mirroring the brightness of January. This seasonal ebb in daylight reveals a fascinating trend: the island experiences its longest days in the heart of summer, peaking at 17 hours in June, before gradually receding as the year progresses. The transition from the summer months into winter showcases a rhythm of nature, where each month gracefully draws back the sun, culminating in the shorter days of December and January. This cyclical pattern not only shapes the scenic beauty of Helgoland but also invites visitors to embrace the cozy charm and unique ambiance of the island during this tranquil, dimly lit time of year.

Average Daylight Hours in Helgoland for December

The chart illustrates the variation in daylight duration in Helgoland throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 59m9h 45m11h 54m14h 5m16h 2m17h 4m16h 30m14h 45m12h 38m10h 27m8h 29m7h 25m
Data source: Helgoland daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Helgoland

As December sweeps across Helgoland, Germany, the island experiences an average wind speed of 8.4 m/s (19 mph), maintaining a brisk pace that reflects early winter's chill. This month showcases a subtle uptick from November’s 8.6 m/s and stabilizes from the gusty 9.4 m/s in October, revealing a pattern where wind speeds hover predominantly in the upper range during the latter months of the year. Compared to the milder breezes in spring and summer, where June recorded a low of 5.5 m/s (12 mph), December's winds evoke a sense of seasonal transition, highlighting the island's ever-changing maritime climate. The steady wind flow towards the year's end nurtures an invigorating atmosphere, perfect for embracing the rugged beauty of Helgoland in winter.

Average December Wind Speed in Helgoland

The chart displays monthly wind speed patterns in Helgoland, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.28.67.67.86.85.56.37.66.79.48.68.4 m/s
Data source: Helgoland December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Helgoland Compares to Other Months

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

In December, temperatures range from a minimum of -1°C (30°F) to a maximum of 11°C (52°F), averaging around 7°C (44°F). The month experiences significant precipitation, totaling 102 mm (4.0 in) over approximately 20 days, with humidity levels around 87%. In contrast, January sees slightly lower temperatures, with a minimum of -4°C (26°F) and a maximum of 10°C (51°F), averaging 5°C (41°F). Precipitation decreases to 80 mm (3.2 in) spread over about 15 days, with a marginal increase in humidity at 89%. For a more detailed look at weather conditions in January, visit Helgoland weather in January.

December and February both feature similar maximum temperatures, reaching up to 11°C (52°F), but they differ in their overall climate conditions. December typically has a milder average temperature of 7°C (44°F) while February is cooler, averaging around 4°C (40°F), with minimum temperatures dropping to -4°C (26°F). Precipitation also varies, with December experiencing more rainfall (102 mm over 20 days) compared to February's 71 mm over just 12 days. Interestingly, February's humidity is slightly higher at 88%, compared to December's 87%, indicating a consistently damp atmosphere. For more detailed insights, check out Helgoland weather in February.

When comparing December and March weather, March is generally colder, with average temperatures around 5°C (41°F) compared to December's average of 7°C (44°F). December experiences slightly higher maximum temperatures, peaking at 11°C (52°F) versus March's 10°C (50°F). Precipitation is more frequent in December, with 102 mm (4.0 in) falling over 20 days, while March sees 65 mm (2.5 in) over just 11 days. Despite the similarity in humidity levels at 87% for both months, March typically feels chillier due to its lower minimum temperature, which can drop to -6°C (21°F), contrasting with December's minimum of -1°C (30°F). For more detailed information, you can check Helgoland weather in March.

In December, the weather is characterized by colder temperatures, with lows dipping to -1°C (30°F) and average highs only reaching 11°C (52°F). The month is quite wet, with precipitation occurring on about 20 days and totaling 102 mm (4.0 in), accompanied by high humidity levels of 87%. In contrast, April sees slightly milder conditions, with minimum temperatures of 2°C (35°F) and maximums climbing to 14°C (58°F). Precipitation is significantly lower at 42 mm (1.7 in), spread over just 8 days, and humidity drops slightly to 84%. For more details on the weather specific to April, you can visit Helgoland weather in April.

December and May present contrasting weather experiences, highlighting the transition from winter to late spring. In December, temperatures range from a chilly -1°C (30°F) to a mild 11°C (52°F), with an average of 7°C (44°F). The month is characterized by frequent precipitation, totaling 102 mm (4.0 in) over about 20 days, and high humidity levels of 87%. In stark contrast, May sees a noticeable rise in temperatures, with a minimum of 6°C (42°F), an average of 11°C (52°F), and a pleasant maximum of 20°C (69°F). Precipitation drops significantly to 42 mm (1.7 in) over just 8 days, while humidity decreases to a more comfortable 79%. This shift illustrates the arrival of warmer, drier days as spring sets in. For more detailed information on Helgoland's weather in May, please visit Helgoland weather in May.

December and June present contrasting weather patterns. In December, temperatures range from a chilly minimum of -1°C (30°F) to a mild maximum of 11°C (52°F), averaging around 7°C (44°F). The month is also characterized by higher precipitation, with around 102 mm (4.0 in) falling over approximately 20 days and a humidity level of 87%. In stark contrast, June enjoys warmer temperatures, with minimums of 10°C (51°F) and maximums reaching 21°C (71°F), averaging 15°C (60°F). Additionally, June experiences significantly less rainfall at 56 mm (2.2 in) over just 8 days, coupled with lower humidity levels of 75%. For a detailed look at the weather in June, you can visit Helgoland weather in June.

December and July present stark contrasts in weather. December experiences colder temperatures, with a minimum of -1°C (30°F) and an average of 7°C (44°F), while July boasts a milder range, with a minimum of 13°C (55°F) and an average of 17°C (63°F). Precipitation also varies, with December receiving 102 mm (4.0 in) over 20 days, compared to July's 66 mm (2.6 in) over just 12 days. Additionally, humidity levels are higher in December at 87%, while July has a slightly lower humidity of 76%. For more details on July weather, you can check Helgoland weather in July.

December weather on Helgoland is characterized by chilly temperatures, with a minimum of -1°C (30°F) and an average of 7°C (44°F). Frequent precipitation, totaling 102 mm (4.0 in) over 20 days, contributes to a high humidity level of 87%. In contrast, August offers a much milder climate with a minimum temperature of 14°C (57°F) and an average of 18°C (65°F), reaching a maximum of 24°C (76°F). The month sees slightly less rainfall, accumulating 91 mm (3.6 in) over 14 days, along with a lower humidity of 77%. For more detailed insights, you can check Helgoland weather in August.

In comparing the weather of December and September, it's clear that September is notably milder, with average temperatures ranging from 11°C (52°F) to 21°C (71°F), while December experiences cooler conditions, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 11°C (52°F). Both months see significant precipitation, with December receiving 102 mm (4.0 in) over 20 days and September slightly wetter at 107 mm (4.2 in) over 13 days. Additionally, humidity levels are quite high in both months, but December has a slightly higher average at 87% compared to September’s 84%. For a more detailed look at September weather, you can visit Helgoland weather in September.

In comparing the weather of December and October, December presents cooler temperatures, with a minimum of -1°C (30°F) and an average of 7°C (44°F), while October enjoys milder conditions, with a minimum of 6°C (43°F) and an average of 13°C (56°F). Furthermore, December sees less precipitation than October, totaling 102 mm (4.0 in) over 20 rainy days, compared to October's 139 mm (5.5 in) over just 18 days. Despite both months having similar humidity levels at 87%, the shorter daylight and lower average temperatures in December create a distinctly different atmosphere. For detailed insights about October's weather, you can visit Helgoland weather in October.

Comparing the weather of December and November reveals some notable differences. December typically experiences cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 11°C (52°F), whereas November maintains a milder range with a minimum of 3°C (37°F) and a maximum of 16°C (62°F). Both months recorded similar precipitation levels, with December receiving 102 mm (4.0 in) over 20 days compared to November's 100 mm (3.9 in) across 19 days. Humidity levels are also comparable, with December at 87% and November slightly higher at 88%. For a deeper insight into November's conditions, you can refer to Helgoland weather in November.

Compare Helgoland's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Helgoland

As December blankets Helgoland in a chilly embrace, the weather stands out distinctly from earlier months. With average temperatures hovering around a cool 7°C (44°F) and frequent dips to a brisk -1°C (30°F), it’s a stark contrast to the milder autumn days. The island experiences a notable increase in precipitation, with nearly 20 days of rain contributing to a moisture-laden atmosphere, making the humidity spike to 87%. This creates a unique maritime climate that characterizes the festive month, setting it apart from the transitional seasons that precede it. For a deeper dive into Helgoland's weather trends, check out Helgoland Climate.