January Weather in Flensburg, Germany

Last updated: February 26, 2025

January in Flensburg, Germany presents a chilly climate, with average temperatures hovering around 3°C (38°F). Amidst this cool backdrop, residents can expect maximum temperatures reaching up to 12°C (54°F), while the mercury can dip as low as -9°C (16°F). The month is marked by significant precipitation, totaling 55 mm (2.2 in) over approximately 12 days, contributing to the region's 89% humidity. Whether you're a local or a visitor, be prepared for occasional rain and frosty days that define this northern gem in winter.

January Temperature in Flensburg

January in Flensburg, Germany, is marked by a significant chill, with temperatures ranging from a brisk -9°C (16°F) at their lowest to a more moderate max of 12°C (54°F). The average temperature hovers around 3°C (38°F), setting a stark contrast to the milder February that follows, where lows can drop to -15°C (5°F). Despite the cold snaps, January remains the month where the winter chill begins to transition into the slightly warmer days of early spring, as seen in March and April, where temperatures gradually rise. While Flensburg experiences its coldest moments in January, these frigid temperatures pave the way for a gradual warming trend leading into February, suggesting that winter’s grip may be loosening as the year progresses.

January Weather in Flensburg: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Flensburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec383740465362636458524439
Data source: Temperature data for Flensburg 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.

January Precipitation in Flensburg

January in Flensburg, Germany, ushers in a wet start to the year, with an average precipitation of 55 mm (2.2 inches) over 12 rainy days. While this amount is modest compared to the wetter months that follow, it sets the stage for a gradual increase in rainfall as winter transitions to spring. Notably, February sees a slight uptick to 63 mm (2.5 inches), continuing the trend of persistent precipitation. As the months progress into the summer, the rainfall peaks, with July and August both averaging 80 mm (3.2 inches) and 82 mm (3.2 inches), respectively. This pattern highlights Flensburg's characteristic climate, where dampness persists early in the year but gives way to heavier rains in the warmer months, shaping the region's lush landscapes.

January Precipitation Trends in Flensburg

The chart displays monthly precipitation patterns in Flensburg, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec556370417058808272915566
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Flensburg

In Flensburg, Germany, January is characterized by its high humidity, averaging a notable 89%, which sets the tone for the chill of winter. This level of humidity is slightly followed by February at 88% and March at 87%, creating a consistently moist atmosphere as temperatures begin to rise. As spring approaches in April, the humidity dips to 84%, marking the start of a gradual decline that continues through the warmer months of May (79%) and June (75%). However, from July to August, humidity bounces back slightly, with readings of 76% and 77%, respectively, as the summer warmth persists. The year then transitions back into higher humidity levels in September (84%) and steadily climbs again to 87% by October. November and December maintain a similar trend with humidity levels at 88% and 87%, rounding off the year in a damp embrace. Overall, January's high humidity reflects a clear trend of fluctuating moisture levels that sway with the seasons, inviting residents to adapt to the region's distinctive climatic rhythm.

January Average Humidity in Flensburg

This chart illustrates the average monthly humidity levels in Flensburg, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%84%79%75%76%77%84%87%88%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Flensburg

In January, Flensburg experiences a low UV Index of 1, indicating minimal sun exposure risk, with an estimated burn time of 45 minutes. As winter progresses into February, the UV Index remains at 2, continuing the trend of low exposure, which allows residents and visitors to enjoy outdoor activities without much concern for sunburn. However, come March, the UV Index rises to 3, signaling the start of moderate exposure; thus, it becomes advisable to take precautions during prolonged outings. This gradual increase peaks in the summer months, where UV levels soar, particularly in June with a very high UV Index of 8, highlighting the need for sun protection as burn time drops to just 15 minutes. To stay informed and safe throughout the year, you can always refer to the comprehensive details available at Flensburg UV Index.

Maximum UV Index Levels in Flensburg for January

The chart shows the monthly maximum UV Index (UVI) for Flensburg in January, 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: Flensburg January 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.

January Sunshine in Flensburg

January in Flensburg, Germany, is often characterized by its blustery weather, earning it the title of the darkest month of the year with just 101 hours of sunshine. As winter gives way to spring, there is a noticeable upward trend in sunshine hours, reaching 181 hours in February and 258 hours in March. This gradual increase continues through the spring, with April welcoming a substantial 364 hours of sunlight. The sunniest months arrive in the summer, peaking in July with 435 hours, creating a vibrant backdrop for outdoor activities. As the year wanes, however, sunshine hours decline, dropping to 160 hours in November and 118 hours in December. This cyclical pattern not only highlights the region's seasonal variability but also underscores the importance of embracing the fleeting winter sunlight before the days lengthen into the blissful warmth of summer.

Monthly Sunshine Duration in Flensburg: January Highlighted

The January sunshine duration represents the total number of hours Flensburg experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec101h181h258h364h416h426h435h401h315h248h160h118h
Data source: Flensburg January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Flensburg During January

In January, Flensburg, Germany, experiences the lowest likelihood of sunny weather, with only an 18% chance of sunshine gracing the city. This chilly month sets the stage for a gradual increase in sunlight as winter yields to early spring. By February, the chance rises to 27%, and as we approach March, it improves further to 36%. The upward trend continues into April, where nearly half the days see the sun making an appearance at 49%. However, the flow of sunshine takes a dip in May and later months, suggesting that while January may be dreary, the promise of brighter days is just around the corner, culminating in a vibrant spring.

Percentage of Sunny Days in January in Flensburg

The chart illustrates the percentage of sunny days in Flensburg throughout the year, with January 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 Flensburg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%27%36%49%23%35%30%35%28%27%17%20%
Data source: Flensburg January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Flensburg in January

In Flensburg, Germany, January marks the beginning of the year with only 7 hours of daylight, setting a tranquil yet somewhat subdued tone as winter remains in full swing. As the months progress towards spring, daylight steadily increases, reaching 9 hours in February and blooming to 11 hours by March. This gradual lift in brightness mirrors nature’s awakening, as April further enchants with 14 hours of daylight. With each passing month, the days grow longer and sunnier, peaking in June with an impressive 17 hours of daylight, offering ample time for outdoor activities and exploration. As summer fades into autumn, the daylight begins to wane again—16 hours in July, tapering to 8 hours by November and returning to 7 hours in December. This rhythmic dance of daylight captures the essence of seasonal change, revealing a vibrant tapestry of nature's cycles throughout the year.

Average Daylight Hours in Flensburg for January

The chart illustrates the variation in daylight duration in Flensburg throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 53m9h 42m11h 53m14h 8m16h 7m17h 11m16h 37m14h 49m12h 39m10h 25m8h 24m7h 18m
Data source: Flensburg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Flensburg

In Flensburg, Germany, January arrives with a moderate average wind speed of 4.2 m/s (9 mph), a trend that continues throughout the year with some fluctuations. As winter gives way to spring, February experiences a slight uptick at 4.6 m/s (10 mph) before settling back to the same January levels by March and April. The winds then ease to 4.0 m/s (9 mph) in May, heralding the summer months. Interestingly, June witnesses the calmest breezes at 3.2 m/s (7 mph), while July and August see a gentle rise again. The winds pick up in fall, with notable speeds of 4.6 m/s (10 mph) in October, before tapering off slightly as the year concludes. Overall, January's breezy charm is part of a rhythmic cycle of winds that dance through the seasons, inviting both reflection and adventure in this coastal gem.

Average January Wind Speed in Flensburg

The chart displays monthly wind speed patterns in Flensburg, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.2 m/s4.64.24.24.03.23.64.13.64.64.14.3
Data source: Flensburg January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Flensburg Compares to Other Months

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

The weather in January and February shows some notable differences. January typically experiences a minimum temperature of -9°C (16°F) and a maximum of 12°C (54°F), resulting in an average temperature of 3°C (38°F). In contrast, February is a bit colder with a minimum of -15°C (5°F) but reaches a slightly higher maximum of 15°C (59°F), maintaining the same average temperature of 3°C (38°F). Precipitation levels are slightly higher in February at 63 mm (2.5 in) compared to January's 55 mm (2.2 in), though both months see about 12 days of rain. Humidity remains relatively consistent, with January at 89% and February at 88%. For more detailed information, you can visit Flensburg weather in February.

In January, temperatures range from a chilly -9°C (16°F) to a mild 12°C (54°F), with an average temperature of around 3°C (38°F). The month experiences 55 mm (2.2 in) of precipitation over 12 days, accompanied by high humidity at 89%. In contrast, March sees slightly warmer conditions, with minimum temperatures maintaining at -9°C (15°F) and maximums reaching 16°C (60°F), averaging around 4°C (40°F). Precipitation increases to 70 mm (2.8 in) over 13 days, while humidity remains slightly lower at 87%. For more detailed information, check out Flensburg weather in March.

In January, temperatures typically range from a brisk minimum of -9°C (16°F) to a mild maximum of 12°C (54°F), with an average of around 3°C (38°F). The month sees approximately 55 mm (2.2 in) of precipitation over 12 days, alongside a high humidity level of 89%. In contrast, April brings a much warmer climate, with temperatures ranging from a minimum of -3°C (26°F) to a pleasant maximum of 23°C (75°F), averaging at 8°C (46°F). Although April receives slightly less precipitation at 41 mm (1.6 in) spread over 9 days, humidity levels decrease to 84%. For a closer look at the weather patterns, you can visit Flensburg weather in April.

January weather is characterized by cold temperatures, with average highs around 3°C (38°F) and lows dipping to -9°C (16°F). The month sees a fair amount of precipitation, totaling 55 mm (2.2 in) over 12 days, and a high humidity level of 89%. In contrast, May experiences milder temperatures, with averages reaching 12°C (53°F) and maximums soaring to 26°C (79°F). Although May has a slightly higher total precipitation of 70 mm (2.8 in) over the same number of rainy days, the humidity is lower at 79%. For a closer look at the weather in May, check out Flensburg weather in May.

In January, the weather is characterized by cold temperatures, with a minimum of -9°C (16°F) and an average of just 3°C (38°F). The month experiences significant humidity at 89%, with precipitation totaling 55 mm (2.2 in) over 12 days. In stark contrast, June brings much milder conditions, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 30°C (87°F) and an average temperature of 17°C (62°F). The humidity level drops to 75%, and the precipitation is slightly higher at 58 mm (2.3 in) but occurs over fewer days, just 10. For more details on the pleasant June weather, check out Flensburg weather in June.

In January, temperatures in Flensburg range from a chilly minimum of -9°C (16°F) to a maximum of 12°C (54°F), with an average of around 3°C (38°F). This cold month also experiences significant humidity at 89% and sees about 55 mm (2.2 in) of precipitation over approximately 12 days. In contrast, July brings much warmer conditions, with temperatures varying from a minimum of 7°C (45°F) to a high of 31°C (88°F), averaging at 17°C (63°F). While July is slightly wetter with 80 mm (3.2 in) of precipitation over 13 days, the humidity drops to a more comfortable 76%. For more details on July weather, visit Flensburg weather in July.

January and August present strikingly different weather patterns. In January, temperatures can plunge to a minimum of -9°C (16°F) and typically hover around an average of 3°C (38°F), with a maximum reaching 12°C (54°F). The month also experiences relatively high humidity at 89% and sees about 55 mm (2.2 in) of precipitation over 12 days. In contrast, August offers a much warmer climate, with temperatures ranging from a minimum of 7°C (44°F) to an average of 18°C (64°F) and peaking at a scorching 33°C (91°F). Although it has slightly more precipitation—82 mm (3.2 in) over 15 days—the humidity is lower at 77%. For more details on the weather in August, you can check out Flensburg weather in August.

January experiences significantly colder temperatures, with a minimum of -9°C (16°F) and an average of around 3°C (38°F), while September sees much milder conditions, ranging from a minimum of 3°C (38°F) to a maximum of 27°C (81°F) and an average of 14°C (58°F). Despite January's chilly weather, it receives less precipitation (55 mm or 2.2 in) compared to September’s 71 mm (2.8 in), although both months have precipitation on approximately 12 days. Additionally, January has higher humidity levels at 89%, compared to September’s 84%. For more information on September weather specifics, visit Flensburg weather in September.

January and October present contrasting weather patterns. In January, temperatures are significantly colder, with a minimum of -9°C (16°F) and an average of only 3°C (38°F), while October boasts milder temperatures, ranging from a minimum of -2°C (29°F) to a pleasant average of 11°C (52°F). Additionally, October experiences higher maximum temperatures, reaching up to 24°C (75°F), compared to January's maximum of 12°C (54°F). Precipitation is more frequent in October, with 91 mm (3.6 in) over 15 days, compared to January's 55 mm (2.2 in) over 12 days. However, both months maintain high humidity levels, with January at 89% and October slightly lower at 87%. For more detailed information, you can explore Flensburg weather in October.

January and November present a notable contrast in weather. In January, temperatures can dip as low as -9°C (16°F), with an average of 3°C (38°F) and a maximum reaching 12°C (54°F). The month sees about 55 mm (2.2 in) of precipitation over 12 days, accompanied by high humidity levels at 89%. Conversely, November offers milder conditions, with minimum temperatures around -2°C (29°F), an average of 7°C (44°F), and a maximum of 17°C (64°F). Interestingly, November also records the same amount of precipitation at 55 mm (2.2 in) over 12 days, but with slightly lower humidity at 88%. For a more detailed look at November weather in Flensburg, visit Flensburg weather in November.

In comparing the weather of January and December, January tends to be slightly warmer with average temperatures around 3°C (38°F), while December has an average of 4°C (40°F). Both months experience cold temperatures, but January has a lower minimum of -9°C (16°F) compared to -11°C (13°F) in December. Precipitation is more frequent in December with 66 mm (2.6 in) over 14 days, while January sees slightly less at 55 mm (2.2 in) over 12 days. Humidity levels are comparable, with January at 89% and December slightly lower at 87%. For more details on December weather, check out Flensburg weather in December.

Compare Flensburg's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Flensburg

As January blankets Flensburg in chilly conditions, it stands apart from other months with its cooler temperatures and higher humidity levels, reaching an average of just 3°C. While precipitation remains moderate, with about 12 days of rain, the crisp air is unmistakably characteristic of winter. Unlike the milder summer months, the bitter cold, occasionally dipping to -9°C, encourages cozy indoor activities and scenic winter strolls despite the damp weather. Those seeking to understand the complete spectrum of Flensburg's climate can explore more at Flensburg Climate.