December Weather in Kalundborg, Denmark

Last updated: October 30, 2025

December in Kalundborg, Denmark, showcases a chilly and wet climate as the year draws to a close. With maximum temperatures reaching up to 10°C (50°F) and averaging around 5°C (41°F), the weather often dips to a brisk minimum of -1°C (30°F). The month is characterized by 73 mm (2.9 in) of precipitation spread over 14 days, creating a damp atmosphere that contributes to a high humidity level of 88%. This blend of cool temperatures and frequent rain makes December a quintessential winter month in Kalundborg, perfect for cozying up indoors while enjoying the enchanting seasonal charm.

December Temperature in Kalundborg

December in Kalundborg, Denmark, ushers in the cold embrace of winter, with temperatures dipping to a minimum of -1°C (30°F). As the month progresses, residents can expect an average temperature of 5°C (41°F), making it one of the chillier periods of the year. Daytime highs reach around 10°C (50°F), but the transition from the milder autumn months is evident as the warmth of November gives way to December's frosty air. This trend marks a gradual descent into the depths of winter, where the landscape may soon be adorned with a light blanket of snow, inviting the cozy charm of the holiday season.

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

The chart illustrates December temperature patterns in Kalundborg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kalundborg, December typically has an average temperature of 5°C (41°F), with highs reaching up to 10°C (50°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec393739455261646460544741
Data source: Temperature data for Kalundborg 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 Kalundborg

In December, Kalundborg experiences a notable increase in precipitation, with an average rainfall of 73 mm (2.9 in) spread over 14 days. This marks a slight dip from October's peak, which recorded 107 mm over 17 days, but still contributes to the region's overall wet winter. As the year concludes, December's rain often adds a cozy, reflective atmosphere to the town, echoing the patterns of the preceding months. Interestingly, rainfall remains relatively consistent, with nearby November also showcasing significant precipitation at 64 mm across 15 days. This trend suggests a steady water supply leading into the winter season, crucial for both the local ecology and the vibrant coastal environment that Kalundborg is known for.

December Precipitation Trends in Kalundborg

The chart displays monthly precipitation patterns in Kalundborg, 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. In Kalundborg, December typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec6254583359527497881076473
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kalundborg

In December, Kalundborg experiences a humidity level of 88%, which reflects a subtle yet consistent trend throughout the year. Following a gradual decline from a peak of 90% in January, humidity remains relatively high, bouncing between 87% and 89% in the months leading up to December. As the year comes to a close, the humidity levels slightly increase from the drier summer months, demonstrating the area's distinctive maritime climate. This late-autumn humidity sets the stage for a crisp, cool winter, creating a unique atmosphere that encapsulates the charm of Kalundborg during the holiday season.

December Average Humidity in Kalundborg

This chart illustrates the average monthly humidity levels in Kalundborg, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Kalundborg is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%88%85%80%77%77%77%84%87%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Kalundborg

In December, Kalundborg experiences a low UV Index of 1, which means sun exposure is minimal and the risk of skin damage is quite low, with a safe burn time of 45 minutes. This low index mirrors the trend observed in the earlier winter months of January and February, where UV exposure remains low as well. As the year unfolds, Kalundborg witnesses a gradual increase in UV levels from spring into summer, peaking at 8 in June, before tapering off again in the fall and winter months. This cyclical pattern showcases the region's fluctuating sun exposure throughout the year. For more detailed insights and daily updates, visit Kalundborg UV Index.

Maximum UV Index Levels in Kalundborg for December

The chart shows the monthly maximum UV Index (UVI) for Kalundborg 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. In December, the maximum UV index in Kalundborg typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568765321
Data source: Kalundborg 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 Kalundborg

In December, Kalundborg, Denmark, experiences a gentle farewell to the sunlight, with only 116 hours illuminating the month. As the year draws to a close, the dwindling daylight is evident compared to the peak summer months, where July welcomes a generous 446 hours of sunshine. The trend of decreasing sunlight begins in full force after the summer, transitioning from 418 hours in May to 371 hours in April, and continuing into the darker months. December's hours reflect a stark contrast to the lush brightness of June and July, making the cozy, sun-drenched days of summer feel like a distant memory as residents embrace the long winter evenings.

Monthly Sunshine Duration in Kalundborg: December Highlighted

The December sunshine duration represents the total number of hours Kalundborg 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.
JanFebMarAprMayJunJulAugSepOctNovDec95h187h256h371h418h437h446h404h317h247h150h116h
Data source: Kalundborg December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kalundborg During December

In Kalundborg, Denmark, December presents a modest 24% chance of sunny weather, slightly upward from the dreary 17% found in November. This seasonal trend demonstrates a gradual increase in sunshine probabilities as the year nears its end, though it remains significantly lower compared to the brighter months of spring, such as April with a 57% chance. While December's daylight may be scarce, the glimmers of sun that do emerge offer a welcome contrast to the long winter nights, evoking a sense of seasonal transition that hints at the returning warmth of spring.

Percentage of Sunny Days in December in Kalundborg

The chart illustrates the percentage of sunny days in Kalundborg 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 Kalundborg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%30%42%57%30%41%36%43%33%28%17%24%
Data source: Kalundborg December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kalundborg in December

In Kalundborg, Denmark, the daylight duration dances elegantly through the seasons, revealing distinct trends as the year unfolds. December settles in with just 7 hours of daylight, mirroring the short, cozy days of January, and signaling the year's gradual retreat into darkness. As the months progress toward spring, daylight steadily increases, peaking in June with an impressive 17 hours under the sun. This vibrant stretch of light then gracefully declines, with August and September holding onto 14 and 12 hours respectively before the cycle begins again. The transition from the vibrant hues of spring to the soft glow of winter highlights the rhythm of time in this charming Danish town, making each month's light a cherished moment in the seasonal tapestry.

Average Daylight Hours in Kalundborg for December

The chart illustrates the variation in daylight duration in Kalundborg throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 43m9h 37m11h 53m14h 13m16h 17m17h 24m16h 48m14h 55m12h 40m10h 22m8h 16m7h 6m
Data source: Kalundborg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Kalundborg

As December arrives in Kalundborg, Denmark, the wind whispers the transition into winter with an average speed of 7.3 m/s (16 mph), aligning with the consistent gusts felt in the previous months of January and November. This chill in the air hints at the seasonal shift, as wind speeds peak in the autumn with October’s 7.9 m/s (18 mph), before tapering into the quieter breezes of late spring and early summer. Notably, the warmer months from May to July see a marked decrease, offering a brief reprieve with speeds dropping to as low as 4.9 m/s (11 mph) in June. However, as the year closes, Kalundborg’s December winds carry a familiar vigor, maintaining the steadiness of the winter season while shaping the coastal experiences of its residents.

Average December Wind Speed in Kalundborg

The chart displays monthly wind speed patterns in Kalundborg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.37.36.56.55.74.95.66.85.87.97.37.3 m/s
Data source: Kalundborg December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Kalundborg Compares to Other Months

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

In December, the weather is relatively mild with an average temperature of 5°C (41°F), reaching up to a maximum of 10°C (50°F) on warmer days. Precipitation is higher in December, with 73 mm (2.9 in) spread over 14 days, and the humidity sits at a comfortable 88%. In contrast, January experiences slightly colder temperatures, with an average of 4°C (39°F) and minimums dipping to -4°C (25°F). Despite being drier with 62 mm (2.4 in) of precipitation over 12 days, the humidity rises to 90%. For more detailed information, you can check Kalundborg weather in January.

December and February share some similarities in temperature ranges, but notable differences exist in their overall weather patterns. December experiences slightly milder conditions, with average temperatures ranging from -1°C (30°F) to a maximum of 10°C (50°F), while February is cooler, with temperatures dipping as low as -6°C (21°F) and peaking at 10°C (51°F). In terms of precipitation, December is wetter, receiving 73 mm (2.9 in) over 14 days compared to February's 54 mm (2.1 in) across 11 days. Both months feature high humidity, around 88% in December and slightly higher at 89% in February. For more details on February's climate, check out Kalundborg weather in February.

In December, the weather features a mild average temperature of 5°C (41°F), with a minimum of -1°C (30°F) and a maximum of 10°C (50°F). The month experiences significant precipitation, totaling 73 mm (2.9 in) over about 14 days, while humidity levels remain high at 88%. In contrast, March sees slightly cooler temperatures, with an average of 4°C (40°F), a minimum of -6°C (21°F), and a maximum similar to December at 10°C (51°F). Precipitation decreases to 58 mm (2.3 in) over approximately 10 days, but humidity levels remain constant at 88%. For more specific details on March weather, you can check Kalundborg weather in March.

In December, temperatures tend to be colder, with a minimum of -1°C and an average of 5°C, while the maximum reaches only 10°C. In contrast, April brings slightly milder conditions, featuring a minimum of 0°C and an average of 7°C, with maximum temperatures climbing to 14°C. Additionally, December experiences significantly more precipitation, with 73 mm falling over 14 days, compared to April's 32 mm over just 7 days. Humidity levels are similar, with December at 88% and April at 85%. For more details on weather during this month, you can visit Kalundborg weather in April.

December and May present contrasting weather conditions. In December, temperatures range from a chilly -1°C (30°F) to a milder 10°C (50°F), with an average of 5°C (41°F). The month is characterized by higher precipitation, totaling 73 mm (2.9 in) over about 14 days and a humidity level of 88%. In contrast, May sees a noticeable rise in temperatures, with minimums around 4°C (40°F) and maximums reaching 21°C (70°F), averaging 11°C (53°F). Precipitation in May is slightly less at 59 mm (2.3 in) across 11 days, accompanied by a lower humidity of 80%. For more detailed information, visit Kalundborg weather in May.

December weather is characterized by colder temperatures, with minimums reaching -1°C (30°F) and average highs around 5°C (41°F). The month experiences significant humidity at 88% and about 73 mm (2.9 in) of precipitation over 14 days, making it a wet and chilly time. In contrast, June brings a much warmer climate, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 22°C (73°F) and an average of 16°C (62°F). The air is drier, with a humidity level of 77% and less rainfall, totaling 52 mm (2.0 in) over just 9 days. For more information, you can check Kalundborg weather in June.

In December, the weather is significantly cooler, with temperatures ranging from a low of -1°C (30°F) to a high of 10°C (50°F), and an average of 5°C (41°F). The month sees frequent precipitation across 14 days, accumulating to around 73 mm (2.9 in) and a high humidity level of 88%. In contrast, July offers a much warmer climate, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 25°C (78°F), averaging 18°C (64°F). With similar precipitation levels of 74 mm (2.9 in) over 13 days, July's humidity is relatively lower at 77%. For more details about July weather in Kalundborg, check Kalundborg weather in July.

When comparing the weather in December and August, the stark differences are quite evident. December features much cooler temperatures, with lows plummeting to -1°C (30°F) and a max of only 10°C (50°F), while August enjoys milder conditions, where temperatures range from a minimum of 14°C (57°F) to a comfortable maximum of 26°C (80°F). Additionally, December experiences higher humidity levels at 88%, creating a chillier atmosphere, compared to August's 77% humidity. Precipitation is also notable, with December receiving 73 mm (2.9 in) of rain over 14 days, versus August's slightly higher total of 97 mm (3.8 in) across 13 days. For a closer look at conditions, you can explore Kalundborg weather in August.

In comparing December and September weather, we see a stark contrast in temperatures and conditions. December experiences much cooler temperatures, with a minimum of -1°C (30°F) and an average around 5°C (41°F), while September boasts milder conditions, with a minimum of 11°C (52°F) and an average of 15°C (60°F). Additionally, December has higher humidity at 88% compared to September's 83%, contributing to a chillier atmosphere. Interestingly, while both months see precipitation over 14 days, September has slightly more rainfall at 88 mm (3.5 in) compared to December's 73 mm (2.9 in). For more details on September's climate, visit Kalundborg weather in September.

In comparing the weather of December and October, we see some notable differences. December is generally colder, with an average temperature of 5°C (41°F), ranging from a chilly -1°C (30°F) at its minimum to a maximum of 10°C (50°F). In contrast, October enjoys milder conditions, with average temperatures around 12°C (54°F) and highs reaching 17°C (64°F). Additionally, while December experiences 73 mm of precipitation over 14 days, October sees a higher total of 107 mm across 17 days, indicating more frequent rain during the fall month. Humidity levels are quite similar, standing at 88% for December and 87% for October. For a more detailed look at October's conditions, you can check out Kalundborg weather in October.

December weather in Kalundborg is generally colder than November, with average daily temperatures dipping from 8°C (47°F) in November to about 5°C (41°F) in December. The minimum December temperature can linger around -1°C (30°F), while November does not drop below 1°C (34°F). Although December experiences slightly more precipitation at 73 mm (2.9 in) compared to 64 mm (2.5 in) in November, the number of rainy days is quite similar, with December seeing rain on about 14 days and November on 15 days. Humidity levels remain high in both months, hovering around 88% in December and 89% in November, contributing to a chilly atmosphere. For a detailed comparison, you can check out Kalundborg weather in November.

Compare Kalundborg's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Kalundborg

As December blankets Kalundborg in its chilly embrace, the weather takes a marked turn from the milder months. With temperatures dipping to an average of 5°C (41°F) and the potential for frost, the atmosphere feels distinctly colder compared to the preceding autumn months. Additionally, higher humidity levels contribute to a damp chill, making it imperative to bundle up. Precipitation becomes more frequent, with about two weeks of the month experiencing rain, totaling 73 mm. This shift sets the stage for a cozy and festive atmosphere, inviting locals and visitors alike to embrace the joys of winter. For a more detailed understanding of the climate throughout the year, check out Kalundborg Climate.