December Weather in Skien, Norway

Last updated: August 27, 2025

In December, Skien, Norway experiences a chilly climate characterized by a maximum temperature of 10°C (50°F), an average of -1°C (30°F), and a minimum of -12°C (10°F). The month is marked by high humidity levels at 92%, creating a brisk atmosphere that accentuates the winter chill. Skien sees a noteworthy precipitation of 136 mm (5.4 in) over the course of 16 days, painting a picture of a month where rain and snow coalesce, adding to the enchanting winter landscape and festive atmosphere of this charming town.

December Temperature in Skien

In Skien, Norway, December ushers in the heart of winter, bringing a notable drop in temperatures. The month averages around -1°C (30°F), marking a shift as the region settles into the colder season. Nighttime lows can plunge to -12°C (10°F), while the daytime manages to reach a maximum of 10°C (50°F). Compared to the relatively milder November, where temperatures oscillated from -11°C (12°F) to 15°C (59°F), December’s chill is palpable. As the year draws to a close, the city transforms under a crisp blanket of frost, inviting residents and visitors alike to embrace the wintry landscape. This period sets the stage for festive celebrations, all against the backdrop of Skien's serene, snow-draped beauty.

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

The chart illustrates December temperature patterns in Skien, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Skien, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec292934415160636054453730
Data source: Temperature data for Skien 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 Skien

In December, Skien experiences a notable uptick in precipitation, accumulating 136 mm (5.4 in) over the month, marking one of the wettest periods of the year. This trend aligns with the gradual increase in rainfall observed from the earlier months, particularly October’s 139 mm. With 16 days of precipitation, December matches October for the highest number of rainy days, setting a damp stage for the winter season. This consistent rainfall contributes to a rich, lush landscape that characterizes Norway during the colder months, while also hinting at the climatic intricacies that define this region. As the year draws to a close, it’s clear that Skien embraces the rainy season with fervor, painting a vivid picture of winter's embrace.

December Precipitation Trends in Skien

The chart displays monthly precipitation patterns in Skien, 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 Skien, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec77818141909610897126139120136
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Skien

As December settles over Skien, Norway, residents experience a notable consistency in humidity levels, maintaining a robust 92%—a figure that aligns closely with both November's and October's readings. This pattern indicates that as winter approaches, the air remains quite moist, contributing to the chilly ambiance characteristic of the season. Observing the broader trends throughout the year, it's clear that humidity begins high in January at 93% and gradually tapers down to its lowest point in May at 75%. However, as the months transition back into autumn, humidity levels see an upswing, culminating in December's robust readings that evoke a sense of winter's embrace in this picturesque Norwegian town.

December Average Humidity in Skien

This chart illustrates the average monthly humidity levels in Skien, 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 Skien is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%83%75%74%74%78%86%92%92%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Skien

In December, Skien, Norway, experiences a low UV Index of 1, similar to the preceding months of January and November. This trend of low UV exposure continues through the winter season, allowing residents to enjoy outdoor activities with minimal risk of sunburn, as the recommended burn time remains comfortably at 45 minutes. As daylight returns in the spring months, Skien sees a gradual increase in UV exposure, peaking in the summer when the index reaches 7 in both June and July. For more detailed information on the UV Index throughout the year, visit Skien UV Index.

Maximum UV Index Levels in Skien for December

The chart shows the monthly maximum UV Index (UVI) for Skien 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 Skien typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Skien 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 Skien

In Skien, Norway, the sunshine hours tell a compelling story of seasonal change. December, often a month shrouded in winter's embrace, offers a modest 98 hours of sunlight, a contrast to the 432 hours in May and the peak of 472 hours in July. As the days gradually lengthen from January's 96 hours toward the vibrant blooms of spring, one can sense the optimistic trend of increasing light. February sees a notable jump to 180 hours, setting the stage for the rapid rise in sunshine as winter gives way to spring's awakening. Each month, particularly from March's 287 hours to June's 456 hours, the dramatic increase heralds the bright, energizing summer days that Skien is known for, while September's return to shorter days and November's mere 133 hours remind us of the cyclical nature of light. Thus, December embodies a pause—a moment of reflection before the sun's return, illustrating nature's rhythmic dance through the seasons.

Monthly Sunshine Duration in Skien: December Highlighted

The December sunshine duration represents the total number of hours Skien 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.
JanFebMarAprMayJunJulAugSepOctNovDec96h180h287h369h420h456h472h407h284h233h133h98h
Data source: Skien December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Skien During December

In December, Skien, Norway, experiences a notably low likelihood of sunny weather, with only a 26% chance of sunshine. This marks a significant drop compared to the brighter spring months, such as April's 59% likelihood, showcasing a clear seasonal trend. As the year draws to a close, the chances of sun diminish considerably from November's 25%, indicating that residents and visitors should prepare for grey skies and shorter days. While winter weather may envelop the region, the promise of a sunny day in December remains a rare and cherished occurrence.

Percentage of Sunny Days in December in Skien

The chart illustrates the percentage of sunny days in Skien 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 Skien experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%44%44%59%27%37%41%40%26%30%25%26%
Data source: Skien December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Skien in December

As the year comes to a close, December in Skien, Norway, reveals a significant dip in daylight, offering just 6 hours of sun—a stark contrast to the long, bright days of midsummer when daylight peaked at 18 hours in June. The gradual fading of daylight from November's 7 hours indicates the onset of winter’s embrace, continuing a trend of decreasing light from the vibrant 17 hours in May. Following the gradual transition from the bright spring months, December serves as a reminder of nature's cyclical rhythm, where the long summer days eventually give way to the serene stillness of winter's dark, reflective skies.

Average Daylight Hours in Skien for December

The chart illustrates the variation in daylight duration in Skien throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h9h 14m11h 52m14h 32m17h18h 24m17h 39m15h 22m12h 46m10h 7m7h 39m6h 14m
Data source: Skien daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Skien

In Skien, Norway, December experiences an average wind speed of 2.7 m/s (6 mph), mirroring trends seen in the months preceding it, such as November. As the year draws to a close, wind speeds remain relatively stable, with only slight fluctuations throughout the colder months. Interestingly, while October witnesses a notable uptick to 3.1 m/s (7 mph), the following months return to the calmer breezes typical of late autumn and early winter, suggesting a smooth transition into the stillness of the season. The consistent wind patterns not only enhance the serene landscapes of Skien during the festive time but also offer a gentle reminder of the tranquil embrace of winter.

Average December Wind Speed in Skien

The chart displays monthly wind speed patterns in Skien, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.72.72.92.42.22.22.42.43.12.72.7 m/s
Data source: Skien December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Skien Compares to Other Months

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

December tends to be milder than January, with average temperatures hovering around -1°C (30°F) compared to January's chillier average of -2°C (29°F). However, January features a slightly more extreme minimum temperature of -15°C (5°F), while December's minimum is a comparatively milder -12°C (10°F). Precipitation levels are also lower in January, with 77 mm (3.0 in) occurring over just 9 days, compared to December's 136 mm (5.4 in) spread over 16 days. Both months experience high humidity, with January at 93% and December at 92%. For more details on Skien weather in January, visit Skien weather in January.

December and February exhibit some notable differences in weather conditions. In December, temperatures range from a chilly minimum of -12°C (10°F) to a milder maximum of 10°C (50°F), with an average around -1°C (30°F). The month experiences significant precipitation, totaling 136 mm (5.4 in) over 16 days, accompanied by high humidity levels of 92%. Conversely, February tends to be slightly colder, with minimum temperatures dropping to -16°C (4°F) and an average of -2°C (30°F), while the maximum reaches 11°C (52°F). Precipitation is also reduced to 81 mm (3.2 in) over just 11 days, and humidity remains relatively high at 91%. This contrast highlights December as a wetter month with milder temperatures compared to the colder and drier February. For more details, you can visit Skien weather in February.

In December, temperatures oscillate between a chilling -12°C (10°F) at night and a mild 10°C (50°F) during the day, with an average of -1°C (30°F). The month experiences significant precipitation, totaling 136 mm (5.4 in) over 16 days, and maintains a high humidity level of 92%. In contrast, March sees slightly colder nights with minimum temperatures dropping to -16°C (3°F) and maximum daytime highs reaching 15°C (58°F), producing an average temperature of 1°C (34°F). Precipitation in March is less, with 81 mm (3.2 in) spread over about 10 days, and the humidity remains relatively high at 88%. For a more detailed look at March weather, visit Skien weather in March.

December and April present stark contrasts in weather patterns. In December, temperatures typically range from a frigid minimum of -12°C (10°F) to a somewhat milder maximum of 10°C (50°F), with an average temperature of -1°C (30°F). The month sees considerable precipitation of 136 mm (5.4 in) over approximately 16 days, coupled with high humidity at 92%. In contrast, April enjoys more temperate conditions, with a minimum temperature of -11°C (12°F) and a maximum soaring up to 22°C (71°F), resulting in a more pleasant average of 5°C (41°F). The precipitation drops significantly to 41 mm (1.6 in) over just 7 days, and humidity levels also decrease to 83%. For a more detailed look at April weather, you can visit Skien weather in April.

The weather in December and May exhibits stark contrasts, showcasing the transition from winter to spring. In December, temperatures plummet, with minimums reaching -12°C (10°F) and an average temperature around -1°C (30°F), accompanied by high humidity at 92%. Precipitation is frequent, with 136 mm (5.4 in) over 16 days, creating a chilly and damp atmosphere. In stark contrast, May brings a significant warming trend, with temperatures ranging from a minimum of -5°C (23°F) to a comfortable average of 10°C (51°F) and a maximum of 27°C (82°F). The precipitation also decreases to 90 mm (3.5 in) over just 11 days, while humidity levels drop to 75%. This shift not only marks a change in temperatures but also a reduction in overall moisture and a more inviting climate. For more detailed insights on the weather in May, visit Skien weather in May.

December and June present strikingly different weather patterns. In December, temperatures can plunge as low as -12°C (10°F), with an average temperature of -1°C (30°F) and a maximum reaching up to 10°C (50°F). This month sees considerable precipitation, averaging 136 mm (5.4 in) over 16 days, coupled with a high humidity level of 92%. In contrast, June offers a much milder climate with minimum temperatures around 3°C (38°F) and average highs soaring to 29°C (84°F). The month records lower precipitation at 96 mm (3.8 in) over 11 days and a decrease in humidity to 74%. For a closer look at the June weather specifically, check out Skien weather in June.

December and July present contrasting weather conditions. In December, temperatures plunge, with a minimum of -12°C (10°F) and an average around -1°C (30°F), while July enjoys a much milder climate, featuring a minimum of 7°C (44°F) and an average of 17°C (63°F). Precipitation is more frequent in December, occurring over 16 days with a total of 136 mm (5.4 in), compared to July's 12 days of rainfall and 108 mm (4.2 in). Additionally, December's humidity is significantly higher at 92%, while July maintains a more comfortable 74%. For more details on July's weather, you can check Skien weather in July.

December and August present stark contrasts in weather conditions. In December, temperatures range from a chilly minimum of -12°C (10°F) to a maximum of 10°C (50°F), with an average temperature around -1°C (30°F). The month experiences high levels of precipitation at 136 mm (5.4 in) over 16 days, accompanied by a humidity level of 92%. In comparison, August enjoys milder weather with temperatures varying from a minimum of 4°C (40°F) to a comfortable maximum of 26°C (78°F) and an average of 15°C (60°F). Rainfall in August totals 97 mm (3.8 in) across 13 days, with humidity at a more moderate 78%. For a closer look at August weather specifics, check out Skien weather in August.

December and September present stark contrasts in weather patterns. December's temperatures range from a chilling -12°C (10°F) at night to a mild maximum of 10°C (50°F), with an average temperature of -1°C (30°F). It experiences significant precipitation, totaling 136 mm (5.4 in) over approximately 16 days, accompanied by high humidity levels of 92%. In contrast, September is notably warmer, featuring a temperature range from a minimum of 1°C (35°F) to a comfortable maximum of 25°C (77°F), with an average of 12°C (54°F). Precipitation in September is slightly less, at 126 mm (4.9 in) over about 12 days, with humidity at a moderate 86%. For more specific weather details, you can visit Skien weather in September.

In comparing the weather of December and October, it's clear that December tends to be much colder, with average temperatures hovering around -1°C (30°F) compared to October's milder average of 7°C (45°F). While both months experience similar levels of precipitation, with December receiving 136 mm (5.4 in) and October slightly more at 139 mm (5.5 in), the lower temperatures in December mean that any precipitation is more likely to fall as snow rather than rain. Humidity remains constant at 92% for both months, which can contribute to a brisk and chilly feel in December. For a closer look at how October weather unfolds, you can check out Skien weather in October.

Comparing the weather in December and November reveals some notable differences. December experiences slightly colder temperatures, with a minimum of -12°C (10°F) and an average of -1°C (30°F), while November sees a milder minimum of -11°C (12°F) and an average of 3°C (37°F). Precipitation levels are relatively similar, with December recording 136 mm (5.4 in) over 16 days, compared to November's 120 mm (4.7 in) across 13 days. Both months also maintain high humidity at 92%. Overall, December is characterized by colder conditions and more frequent precipitation compared to the slightly warmer and drier November. For more details, you can refer to Skien weather in November.

Compare Skien's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Skien

In December, Skien experiences a notable shift in weather compared to other months, marked by chilly temperatures and increased precipitation. With an average chill settling around -1°C, it’s a time when winter wraps the city in its icy embrace as temperatures can plummet to minimums of -12°C. Remarkably humid at 92%, the atmosphere feels even colder, with frequent precipitation on about half the month's days. This combination of conditions fosters a unique winter ambiance, making December a distinct period for both residents and visitors. For more insights on seasonal weather patterns, check out Skien Climate.