December Weather in Kopparberg, Sweden

Last updated: August 27, 2025

December in Kopparberg, Sweden, is a time of challenging winter conditions and stunning natural beauty. With maximum temperatures reaching a mild 8°C (46°F) and an average swirling around -2°C (29°F), the month can swing from crisp to frigid, bringing minimum temperatures as low as -19°C (-1°F). Precipitation is significant, with 66 mm (2.6 in) falling over 15 days, resulting in a humidity level of 94%, creating a chilly yet picturesque landscape blanketed in snow. Embrace the serene winter charm that December brings to this enchanting Swedish locale.

December Temperature in Kopparberg

In Kopparberg, Sweden, December ushers in the full embrace of winter, with temperatures taking a notable dip. The month experiences a minimum of -19°C (-1°F), while the average temperature hovers around a brisk -2°C (29°F). During the day, residents can expect a chilly maximum of 8°C (46°F), marking a stark contrast to the more moderate temperatures of earlier months. This trend highlights a gradual descent into colder weather, as December transitions from autumn’s lingering chill to the deep freeze of winter, setting the stage for snow-covered landscapes and cozy indoor gatherings.

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

The chart illustrates December temperature patterns in Kopparberg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kopparberg, 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).
JanFebMarAprMayJunJulAugSepOctNovDec272732395060625951433529
Data source: Temperature data for Kopparberg 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 Kopparberg

December in Kopparberg, Sweden, brings a notable uptick in precipitation, with an average of 66 mm (2.6 in) falling over approximately 15 days. This surge marks a shift from the relatively dry spells of early winter, contributing to the regional trend of increasing moisture as the year draws to a close. Compared to November's 59 mm (2.3 in) over just 10 days, December not only increases both the amount and frequency of precipitation but also sets the stage for the snowy landscapes typical of a Swedish winter. This pattern highlights the seasonal transition, where shorter days and colder temperatures lead to more pronounced weather systems, enriching the overall climatic tapestry of Kopparberg during the festive season.

December Precipitation Trends in Kopparberg

The chart displays monthly precipitation patterns in Kopparberg, 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 Kopparberg, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec464246346480789564845966
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Kopparberg

December in Kopparberg sees a continuation of the region's characteristically high humidity, mirroring January's peak at a striking 94%. As the year draws to a close, the moisture-laden air reflects a significant trend: the winter months consistently maintain elevated humidity levels, with values hovering above 90% from October through February. This stark contrast to the late spring and summer months, where humidity dips to a more comfortable 68-77%, underscores the seasonal variability experienced in this picturesque Swedish town. December's dampness, echoing the moist ambiance of earlier winter months, creates a unique backdrop that pairs beautifully with the crispness in the air, making it a defining feature of Kopparberg's winter landscape.

December Average Humidity in Kopparberg

This chart illustrates the average monthly humidity levels in Kopparberg, 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 Kopparberg is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%81%72%68%70%77%86%91%93%94%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Kopparberg

In Kopparberg, Sweden, the December UV Index remains steady at 1, categorized as low, which means that sun safety measures are minimal. This consistent level is part of a seasonal trend where the UV Index is at its lowest during the winter months. With a burn time of 45 minutes, December offers residents and visitors a reprieve from the more intense summer rays, which peak at 7 in June and July. As the cold weather sets in, the gradual decline from late summer's moderate levels of UV exposure reflects a natural cycle, emphasizing the importance of sun protection when the UV Index is elevated, while also highlighting a more relaxed approach during the winter. To explore more about Kopparberg’s UV patterns throughout the year, check out Kopparberg UV Index.

Maximum UV Index Levels in Kopparberg for December

The chart shows the monthly maximum UV Index (UVI) for Kopparberg 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 Kopparberg typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457754211
Data source: Kopparberg 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 Kopparberg

In Kopparberg, Sweden, the December sunshine paints a stark contrast to the vibrant glow of the summer months. As the year draws to a close, residents can expect just 68 hours of sunlight, a significant dip from the generous 463 hours enjoyed in July. This trend of diminishing daylight begins as early as November, which offers merely 108 hours. Following the bright spring days of April with 367 hours and the lush summer of June and July, December's shorter days remind us of winter's early embrace. Yet, nestled within this decline is a reassuring cycle—while sunlight decreases towards year's end, it sets the stage for the gradual return of light as we move into the brighter months ahead.

Monthly Sunshine Duration in Kopparberg: December Highlighted

The December sunshine duration represents the total number of hours Kopparberg 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.
JanFebMarAprMayJunJulAugSepOctNovDec71h160h263h367h413h452h463h389h267h193h108h68h
Data source: Kopparberg December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kopparberg During December

In Kopparberg, Sweden, the likelihood of sunny weather in December stands at a modest 24%, reflecting a trend of gradually decreasing sunshine hours as the year progresses into winter. Following the brighter months of spring and early summer, where sun probabilities peak at 50% in April and 46% in July, there's a noticeable decline through the autumn months. November and December both maintain a similar chance of sunshine, hovering around 23% to 24%. This pattern suggests that while the festive season can bring some bright days, residents should be prepared for the chilly and overcast conditions typical of this time of year. Overall, December offers a continuation of autumn’s subdued light, signaling a swift transition into winter's embrace.

Percentage of Sunny Days in December in Kopparberg

The chart illustrates the percentage of sunny days in Kopparberg 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 Kopparberg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%37%37%50%30%37%46%32%25%24%23%24%
Data source: Kopparberg December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kopparberg in December

As the year draws to a close in Kopparberg, Sweden, the transition into December brings a noticeable dip in daylight, with the sun gracing the landscape for just 5 hours a day. This decline follows a gradual pattern, starting with 6 hours in January and peaking at a generous 18 hours in June. The trend weaves through the seasons—the daylight extends significantly from February's 9 hours in winter to the vibrant 17 hours in late spring and early summer, before the hours steadily wane again. By the time December arrives, the fading light serves as a reminder of the long, dark Nordic winters, highlighting the dramatic shifts in daylight that characterize life in this serene region throughout the year.

Average Daylight Hours in Kopparberg for December

The chart illustrates the variation in daylight duration in Kopparberg throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 47m9h 8m11h 51m14h 38m17h 13m18h 43m17h 54m15h 30m12h 47m10h 3m7h 28m5h 58m
Data source: Kopparberg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Kopparberg

In December, Kopparberg experiences an average wind speed of 3.1 m/s (7 mph), which aligns with the milder breezes of the late autumn months. As the year winds down, the wind speeds show a tendency to fluctuate but generally remain within a comfortable range, making it a peaceful time of year. Notably, this month mirrors the averages of both January and May, suggesting that the winds in late autumn are not dramatically stronger than those that follow during the heart of winter. The peak of wind activity occurs in October at 4.1 m/s (9 mph), after which it gently tapers off, creating a serene backdrop perfect for cozy gatherings as the holiday season approaches. Overall, the winds of December in Kopparberg offer a refreshing yet gentle reminder of nature’s persistent embrace during the colder months.

Average December Wind Speed in Kopparberg

The chart displays monthly wind speed patterns in Kopparberg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.53.73.63.02.72.63.13.24.13.33.1 m/s
Data source: Kopparberg December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Kopparberg Compares to Other Months

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

December and January present quite similar temperatures, but January tends to be noticeably colder, with minimum temperatures dropping to -25°C (-12°F) compared to December's -19°C (-1°F). Both months experience average highs of around 8°C (46-47°F), yet January's overall average is slightly lower at -3°C (27°F). Precipitation also differs between the two months, with December seeing 66 mm (2.6 in) over 15 days, while January has less precipitation at 46 mm (1.8 in) over just 9 days. Both months maintain high humidity levels at 94%, contributing to the chill that characterizes this winter period. For a more detailed look at the conditions, check out the Kopparberg weather in January.

December and February exhibit quite similar winter temperatures, with December typically featuring a minimum of -19°C (-1°F), an average of -2°C (29°F), and a maximum of 8°C (46°F). In contrast, February's temperatures are slightly milder, with a minimum of -18°C (0°F), an average of -3°C (27°F), and a maximum of 10°C (51°F). Precipitation levels also differ between the two months; December sees 66 mm (2.6 in) spread over 15 days, while February has a lower total of 42 mm (1.7 in) over just 10 days. Humidity levels remain high in both months, with December at 94% and February at 92%. For more detailed insights, you can check Kopparberg weather in February.

In December, the weather is notably colder with temperatures ranging from a minimum of -19°C (-1°F) to a maximum of 8°C (46°F) and an average of -2°C (29°F). This month also sees significant precipitation, totaling 66 mm (2.6 in) over approximately 15 days, contributing to a high humidity level of 94%.

In contrast, March brings milder temperatures, with lows of -16°C (3°F) and highs reaching 18°C (64°F), averaging around 0°C (32°F). Precipitation in March decreases to 46 mm (1.8 in) over about 9 days, and humidity is slightly lower at 89%.

For a closer look at weather specifics in March, you can refer to Kopparberg weather in March.

December and April present quite contrasting weather conditions. In December, temperatures can plunge to a chilling minimum of -19°C (-1°F), with an average around -2°C (29°F) and highs reaching up to 8°C (46°F). The month experiences considerable precipitation, totaling 66 mm (2.6 in) over 15 days, accompanied by a high humidity level of 94%. In stark contrast, April brings milder temperatures, with a minimum of -11°C (12°F) and an average of 4°C (39°F), peaking at a comfortable 21°C (70°F). Precipitation decreases significantly to 34 mm (1.3 in) over just 7 days, and humidity drops to 81%. For more detailed information about April weather, you can visit Kopparberg weather in April.

December and May present strikingly different weather conditions. In December, temperatures can plummet as low as -19°C (-1°F), with an average temperature around -2°C (29°F) and a maximum of 8°C (46°F). The month is characterized by high humidity at 94% and quite a bit of precipitation, occurring on about 15 days with a total of 66 mm (2.6 in). In contrast, May experiences a notable warming trend, with temperatures ranging from a minimum of -4°C (25°F) to an average of 10°C (50°F) and highs reaching up to 27°C (81°F). With slightly less precipitation of 64 mm (2.5 in) over about 12 days, May also boasts a significantly lower humidity of 72%. For more detailed insights into the delightful weather of May, you can visit Kopparberg weather in May.

In December, temperatures can plummet as low as -19°C (-1°F), with an average temperature of -2°C (29°F) and a maximum of 8°C (46°F). The month is characterized by heavy cloud cover and high humidity at 94%, leading to frequent precipitation across 15 days, totaling 66 mm (2.6 in). In stark contrast, June experiences much milder conditions, with temperatures ranging from a minimum of 3°C (38°F) to an average of 16°C (60°F) and a high of 29°C (85°F). Although June sees slightly more precipitation at 80 mm (3.2 in), it occurs over just 11 days, accompanied by a lower humidity level of 68%. For more details on June weather, you can check this link: Kopparberg weather in June.

December and July in Kopparberg offer a striking contrast in weather conditions. In December, temperatures drop significantly, with a minimum of -19°C (-1°F) and an average around -2°C (29°F), while July brings warmth with a minimum of 4°C (40°F) and an average of 16°C (62°F). Precipitation is relatively consistent, with December experiencing 66 mm (2.6 in) over 15 days, compared to July’s 78 mm (3.1 in) over just 11 days. Moreover, humidity levels are notably higher in December at 94%, while July's humidity stands at 70%, contributing to the more comfortable summer atmosphere. For more details about July conditions in the area, you can explore Kopparberg weather in July.

December and August present strikingly contrasting weather conditions. In December, temperatures plunge to a minimum of -19°C (-1°F) and average around -2°C (29°F), peaking at 8°C (46°F). The month is characterized by high humidity at 94% and a total precipitation of 66 mm (2.6 in) over 15 days, creating a cold and damp atmosphere. In contrast, August experiences significantly warmer conditions, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 30°C (86°F) and an average of 15°C (59°F). The summer month also sees higher precipitation at 95 mm (3.8 in) spread across the same number of days, but with a lower humidity of 77%, making it a much more comfortable time of year. For more details on August weather, visit Kopparberg weather in August.

December and September present starkly different weather conditions. In December, temperatures can plunge as low as -19°C (-1°F), with an average of -2°C (29°F) and a maximum of 8°C (46°F). This month experiences high humidity at 94% and significant precipitation, totaling 66 mm (2.6 in) over approximately 15 days. In contrast, September offers milder temperatures, with a minimum of -2°C (28°F), an average of 11°C (51°F), and a maximum of 23°C (74°F). The precipitation in September is slightly lower at 64 mm (2.5 in), occurring over around 12 days, and the humidity is also lower at 86%. For those interested in detailed weather patterns, check out Kopparberg weather in September.

When comparing the weather in December to that of October, it's clear that December is significantly colder. In October, temperatures range from a minimum of -6°C (21°F) to a maximum of 19°C (67°F), with a pleasant average of 6°C (43°F). In contrast, December sees much harsher conditions, with minimum temperatures plummeting to -19°C (-1°F) and a maximum of only 8°C (46°F), resulting in a chilling average of -2°C (29°F). Additionally, while October experiences 84 mm (3.3 in) of precipitation over 12 days, December is slightly wetter, with 66 mm (2.6 in) spread across 15 days. Humidity levels also increase slightly from October's 91% to December's 94%. For a more detailed look at October weather, check out Kopparberg weather in October.

In comparing the weather between November and December, December tends to be significantly colder, with average temperatures dropping from 2°C (35°F) in November to -2°C (29°F) in December. The minimum temperatures also showcase this shift, falling from a brisk -13°C (9°F) in November to a chilling -19°C (-1°F) in December. Precipitation levels are relatively comparable; however, December experiences slightly more, with 66 mm (2.6 in) over 15 days compared to November's 59 mm (2.3 in) over 10 days. Humidity remains high in both months, with December at 94% and November at 93%. For further insights into November weather specifics, you can visit Kopparberg weather in November.

Compare Kopparberg's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Kopparberg

As December settles in, Kopparberg experiences a pronounced shift in weather compared to the milder months preceding it. The chill sets in with average temperatures dipping to a brisk -2°C (29°F) and nights frequently plunging to around -19°C (-1°F). With a notable 94% humidity, the air feels heavier, complementing the 66 mm (2.6 in) of precipitation that often falls over 15 days, giving rise to a wintery, enchanted landscape. This month marks a stark contrast to the warmer, drier seasons, making it a unique time for both locals and visitors alike. For a deeper understanding of how the seasons shift, check out the full details of the Kopparberg Climate.