January Weather in Sonderborg, Denmark

Last updated: October 30, 2025

January in Sonderborg, Denmark, brings a blend of winter's chill and periodic moisture, with average temperatures settling around 3°C (38°F). The month sees maximum highs reaching 11°C (53°F), while dips can drop to a brisk minimum of -9°C (15°F). This cool climate is accompanied by an average humidity of 89%, contributing to a feeling of crispness in the air. Rainfall, totaling 48 mm (1.9 in), occurs over approximately 11 days, adding a touch of wetness to the winter landscape. Whether you're exploring the scenic outdoors or cozying up indoors, January in Sonderborg offers a uniquely frosty experience.

January Temperature in Sonderborg

In Sonderborg, Denmark, January brings a sharp chill as temperatures fluctuate between a biting -9°C (15°F) minimum and a milder daily average of 3°C (38°F), reaching peaks of 11°C (53°F). This month serves as a precursor to a gradual warming trend, with February experiencing even colder nights, dropping to a minimum of -14°C (7°F), though daytime averages remain stable. As spring approaches in March, the temperatures start to rise, with a slight increase to an average of 4°C (40°F), setting the stage for much warmer months ahead. The clear seasonal progression highlights the transition from winter's grasp towards the more temperate conditions that characterize the coming months, culminating in a delightful May where temperatures can hit 25°C (77°F). The steady climb in mercury serves as a reminder of the region's vibrant seasonal shifts, making each month unique in its own right.

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

The chart illustrates January temperature patterns in Sonderborg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sonderborg, January typically has an average temperature of 3°C (38°F), with highs reaching up to 11°C (53°F) and lows dropping to around -9°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec383740465362646458524540
Data source: Temperature data for Sonderborg 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.

January Precipitation in Sonderborg

In Sonderborg, Denmark, January marks the beginning of the year with an average precipitation of 48 mm (1.9 in), spread over approximately 11 days. This sets a relatively mellow tone compared to the wetter months that follow, as February sees a slight uptick to 57 mm and increases to 63 mm in March. Notably, April dips to 37 mm, indicating a brief respite before the summer months bring steadily rising amounts, peaking in August at 77 mm. The trend showcases a clear pattern where precipitation increases as spring transitions into summer, and then shifts again in the fall, culminating in October’s 82 mm, the wettest month of the year. With January's rainfall being the second lowest of the year, it clearly serves as a gentle reminder of the moisture-laden months to come.

January Precipitation Trends in Sonderborg

The chart displays monthly precipitation patterns in Sonderborg, 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. In Sonderborg, January typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec485763386361677765824960
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Sonderborg

January in Sonderborg, Denmark, is characterized by a notably high humidity level of 89%, which sets the stage for the colder months. As winter transitions into spring, humidity gradually decreases, reaching 84% in April. This trend continues, with May experiencing a drop to 79%, marking the onset of drier weather. The summer months of June and July see humidity levels stabilize around 75% to 76%, offering a welcome respite from the chill. However, as autumn approaches, humidity begins to climb again, peaking at 88% in November before settling back to 87% in December. Overall, Sonderborg's humidity reflects the rhythmic shifts of the seasons, influencing the region's climate and character throughout the year.

January Average Humidity in Sonderborg

This chart illustrates the average monthly humidity levels in Sonderborg, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Sonderborg is approximately 89%, offering insight into how humid the weather typically is during this month.
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 Sonderborg

In Sonderborg, Denmark, the January UV Index stands at a low 1, indicating minimal sun exposure risk with a burn time of approximately 45 minutes. As winter progresses into February, the UV Index rises slightly to 2, but the exposure remains low, allowing for that same leisurely 45-minute outdoor enjoyment. The transition into spring reveals a noticeable trend: by March the UV Index increases to 3, marking the onset of moderate sun intensity, with burn time decreasing to 30 minutes. This pattern continues into April, where the UV Index reaches 5, highlighting the need for some sun protection as the days grow brighter. As summer approaches, the UV Index peaks at high levels of 6 to 7 in May through July, emphasizing the importance of vigilance with a shorter burn time of just 25 minutes. The UV intensity then begins a gradual decline into fall, tapering back to moderate levels in September and October, before settling back down to low in November and December with the year's end. For more insights into UV exposure throughout the year, check out Sonderborg UV Index.

Maximum UV Index Levels in Sonderborg for January

The chart shows the monthly maximum UV Index (UVI) for Sonderborg 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. In January, the maximum UV index in Sonderborg typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765321
Data source: Sonderborg 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 Sonderborg

January in Sonderborg, Denmark, may only offer 101 hours of sunshine, but this modest start sets the stage for a remarkable upward trend as the year progresses. With the arrival of February, sunlight increases to 180 hours, and by March, the rays continue to dance through the sky for 251 hours. As spring unfolds, April brings an impressive 362 hours, paving the way for a vibrant summer: June reaches 430 hours, peaking in July with 440 hours of glorious sunlight. However, as autumn approaches, the daylight begins to wane, with August still basking in 401 hours. By September, the count drops to 314 hours, reflecting the transition into shorter days. The decline continues through the fall and winter months, culminating in December's 116 hours. This cyclical pattern of sunlight not only illuminates the beauty of Sonderborg but also enriches the experience of every season in this charming Danish town.

Monthly Sunshine Duration in Sonderborg: January Highlighted

The January sunshine duration represents the total number of hours Sonderborg 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.
JanFebMarAprMayJunJulAugSepOctNovDec101h180h251h362h414h430h440h401h314h250h154h116h
Data source: Sonderborg January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sonderborg During January

In Sonderborg, Denmark, January typically sees a modest 19% chance of sunny weather, making it one of the cloudier months of the year. As winter gives way to spring, the likelihood of sunshine gradually increases, jumping to 25% in February and reaching 36% by March. Notably, the shift to spring brings a significant boost in sunny days, with April enjoying a more promising 50% chance. This trend reflects a clear transition from the darker winter months, with the promise of brighter days just around the corner. However, the following months show some variability; May again dips to 23%, while summer months like July and August maintain a steadier forecast of around 30% to 37%. Clearly, January's chilly, overcast days pave the way for the sunnier skies that await in the coming months.

Percentage of Sunny Days in January in Sonderborg

The chart illustrates the percentage of sunny days in Sonderborg 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 Sonderborg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%25%37%50%23%34%30%37%28%26%17%22%
Data source: Sonderborg January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sonderborg in January

In Sonderborg, Denmark, January marks the beginning of a gradual journey toward longer days, with sunlight gracing the city for about 7 hours. As winter wanes, February ushers in a notable increase to 9 hours, signaling the slow awakening of spring. By March, daylight stretches to 11 hours, and the transition continues through April with 14 hours, offering a refreshing promise of warmer days ahead. The peak of summer arrives in June, where the sun shines for an impressive 17 hours, casting long shadows and inviting residents outdoors. As summer gives way to autumn, daylight begins to recede, reflecting a gentle decline to 12 hours in September and dropping to 10 hours by October. This ebb and flow continues until December, where the daylight returns to 7 hours, echoing the cycle that started the year. This rhythmic pattern not only shapes daily life in Sonderborg but also enhances the beauty of changing seasons.

Average Daylight Hours in Sonderborg for January

The chart illustrates the variation in daylight duration in Sonderborg throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 51m9h 41m11h 53m14h 9m16h 10m17h 15m16h 40m14h 50m12h 39m10h 25m8h 22m7h 15m
Data source: Sonderborg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Sonderborg

In January in Sonderborg, Denmark, the average wind speed hovers around 4.7 m/s (11 mph), setting the tone for a brisk start to the year. As winter progresses into February, winds pick up slightly to 5.1 m/s (12 mph), bringing a fresh chill that can invigorate even the most reluctant winter wanderers. By March, the winds ease back to 4.6 m/s (10 mph) and continue in a similar pattern through April and May, suggesting a stabilizing breeze as the landscape transitions from winter’s grasp to the budding of spring. The summer months, particularly June, see a dip to 3.6 m/s (8 mph), offering a more gentle touch as temperatures rise. As the seasons shift back to autumn, wind speeds rebound slightly, with October and December both reaching 5.1 m/s (11 mph), hinting at the dynamic climate of Sonderborg. Overall, January's winds lay the groundwork for a year marked by subtle fluctuations, making each month distinct yet interconnected in this coastal town.

Average January Wind Speed in Sonderborg

The chart displays monthly wind speed patterns in Sonderborg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.7 m/s5.14.64.74.43.64.14.64.05.14.64.9
Data source: Sonderborg January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Sonderborg Compares to Other Months

Weather in Sonderborg varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Sonderborg, focusing on differences in temperature, rainfall, humidity, and UV levels.

January and February both experience chilly conditions, but there are notable differences in their weather patterns. In January, temperatures typically range from a minimum of -9°C (15°F) to a maximum of 11°C (53°F), with an average temperature of 3°C (38°F). This month sees around 48 mm (1.9 in) of precipitation over 11 days, coupled with a high humidity level of 89%. In contrast, February presents slightly colder nights with a minimum of -14°C (7°F), while daytime highs reach up to 14°C (58°F) and maintain the same average of 3°C (38°F). This month experiences slightly more precipitation at 57 mm (2.3 in) over 12 days, and humidity remains consistent at 88%. For more details, check Sonderborg weather in February.

In January, the weather is quite chilly, with average temperatures hovering around 3°C (38°F) and a maximum of 11°C (53°F). The month tends to be humid, featuring 11 days of precipitation totaling 48 mm (1.9 in). In contrast, March sees a slight rise in temperatures, with an average of 4°C (40°F) and a maximum reaching 16°C (60°F). Although it is still cool, the overall warmth improves, accompanied by slightly higher precipitation of 63 mm (2.5 in) over 12 days. Humidity remains comparable, at 87% in March versus 89% in January. For more details, you can check Sonderborg weather in March.

January and April in Sonderborg present a notable contrast in weather conditions. January typically features colder temperatures, with averages around 3°C (38°F) and a minimum dipping as low as -9°C (15°F). It experiences more precipitation, totaling 48 mm (1.9 in) over about 11 days, along with higher humidity at 89%. In contrast, April sees a significant rise in temperature, with averages reaching 8°C (46°F) and a maximum of 23°C (74°F). Precipitation decreases to 37 mm (1.5 in) stretched over 8 days, and humidity lowers slightly to 84%. For a more detailed look at April's weather, visit Sonderborg weather in April.

January and May display strikingly different weather conditions. In January, temperatures can drop as low as -9°C (15°F), with an average of just 3°C (38°F) and a maximum reaching 11°C (53°F). The month is characterized by high humidity at 89% and a total precipitation of 48 mm (1.9 in) over 11 days. In contrast, May welcomes milder temperatures, with a minimum of 1°C (35°F), an average of 12°C (54°F), and a comfortable maximum of 25°C (77°F). Though May sees slightly more precipitation at 63 mm (2.5 in) over the same number of days, it enjoys noticeably lower humidity at 79%. For more insights on the specifics of May weather, you can check Sonderborg weather in May.

January and June weather in Sonderborg present a striking contrast. In January, temperatures can plummet to a minimum of -9°C (15°F), with an average of 3°C (38°F) and peaking at 11°C (53°F). The month experiences 48 mm (1.9 in) of precipitation over 11 days, coupled with high humidity at 89%. In stark contrast, June sees much milder temperatures, starting from a minimum of 7°C (46°F), averaging 17°C (62°F) and reaching a maximum of 28°C (83°F). June also brings slightly more precipitation at 61 mm (2.4 in) over the same 11 days, but with lower humidity at 75%. For a detailed look at the weather specifics in June, check out Sonderborg weather in June.

January and July present a striking contrast in weather patterns. In January, temperatures can dip as low as -9°C (15°F), with an average of just 3°C (38°F) and a maximum reaching 11°C (53°F). This month is characterized by high humidity at 89% and receives 48 mm (1.9 in) of precipitation over approximately 11 days. In contrast, July offers much warmer temperatures, with a minimum of 9°C (48°F), an average of 18°C (64°F), and a peak at 31°C (87°F). The warmer month also experiences slightly more precipitation at 67 mm (2.6 in) across 12 days, but humidity is lower at 76%. For a closer look at the distinct climate characteristics during July, check out Sonderborg weather in July.

In January, the weather is quite cold, with temperatures ranging from a minimum of -9°C (15°F) to a maximum of 11°C (53°F) and an average of 3°C (38°F). The humidity is high at 89%, and precipitation occurs over 11 days, totaling 48 mm (1.9 in). In contrast, August brings milder and more comfortable temperatures, with minimums of 8°C (46°F), averages around 18°C (64°F), and maximums rising to 32°C (89°F). Although August sees slightly more precipitation at 77 mm (3.0 in) over 13 days, the lower humidity of 77% makes the heat more bearable. For more details on August weather, you can check Sonderborg weather in August.

In January, the weather is markedly colder, with temperatures ranging from a chilly minimum of -9°C (15°F) to an average of 3°C (38°F) and a maximum of 11°C (53°F). This month sees approximately 48 mm (1.9 in) of precipitation over about 11 days, coupled with high humidity levels at 89%. In contrast, September offers a much milder climate, characterized by a minimum temperature of 5°C (42°F), an average of 15°C (58°F), and a maximum of 27°C (80°F). Although September has slightly more precipitation at 64 mm (2.5 in) over the same number of days, the humidity is slightly lower at 84%. For a closer look at weather specifics in September, you can visit Sonderborg weather in September.

In January, the weather tends to be much colder, with temperatures ranging from a minimum of -9°C (15°F) to a maximum of 11°C (53°F), and an average temperature around 3°C (38°F). The month also sees about 48 mm (1.9 in) of precipitation over approximately 11 days, accompanied by high humidity levels of 89%.

In contrast, October experiences milder temperatures, with minimums around 1°C (34°F) and maximums reaching up to 23°C (74°F), averaging at 11°C (52°F). This month has a higher total precipitation of 82 mm (3.2 in), spread over 14 days, while humidity remains relatively high at 87%.

For more details about the weather in October, you can check Sonderborg weather in October.

January and November present distinct weather patterns that highlight the transition from winter to late autumn. In January, the temperatures range from a chilling minimum of -9°C (15°F) to a maximum of 11°C (53°F), with an average of 3°C (38°F), while humidity is notably high at 89%. In contrast, November offers milder conditions, with temperatures starting at a minimum of 0°C (32°F) and reaching up to 17°C (63°F), averaging 7°C (45°F) and maintaining a slightly lower humidity level of 88%. Both months experience similar precipitation levels, with around 49 mm (1.9 in) over 11 days, but the overall feel of November tends to be warmer and more temperate compared to the frigid January conditions. For more insights, you can explore Sonderborg weather in November.

January and December weather in Sonderborg showcase some interesting comparisons. In January, temperatures range from a minimum of -9°C (15°F) to a maximum of 11°C (53°F), with an average temperature of 3°C (38°F). This month experiences about 48 mm (1.9 in) of precipitation over approximately 11 days, coupled with a humidity level of 89%. In contrast, December is colder overall, with a minimum of -14°C (8°F) and an average temperature of 4°C (40°F), reaching a maximum of 11°C (52°F). December sees a bit more precipitation, totaling 60 mm (2.4 in) over 13 days, and a slightly lower humidity of 87%. For more detailed information about December weather specifically, refer to Sonderborg weather in December.

Compare Sonderborg's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Sonderborg

As January wraps its chilly embrace around Sonderborg, the weather stands in stark contrast to the milder months that precede and follow it. With temperatures hovering near freezing and the ever-present threat of frost, this month challenges even the hardiest spirits. The frequent drizzle and high humidity add a damp chill to the air, making it feel significantly colder than the actual temperature. While the precipitation might seem modest, it often manifests in overcast skies and persistent rain that can sweep in unexpectedly. For those seeking to understand the unique characteristics of Sonderborg's climate, January serves as a reminder of the stark beauty of winter. You can explore more about the climate dynamics in the region by visiting Sonderborg Climate.