December Weather in Fjallbacka, Sweden

Last updated: August 27, 2025

December in Fjallbacka, Sweden ushers in a chill as temperatures fluctuate between a brisk maximum of 9°C (49°F) and a biting minimum of -10°C (15°F), with an average hovering around 1°C (34°F). This month is characterized by a significant precipitation total of 76 mm (3.0 in) over 14 days, contributing to the region's high humidity of 93%. The combination of dampness and cold creates a unique winter landscape, ideal for those seeking a cozy retreat amidst scenic coastal beauty.

December Temperature in Fjallbacka

In December, Fjallbacka, Sweden experiences a significant drop in temperatures as winter takes hold, with minimums reaching -10°C (15°F) and average temperatures lingering around 1°C (34°F). These chilly conditions mark a transition from the mild autumn months, where average temperatures hovered around 4°C (40°F) in November. As the year comes to a close, the maximum temperatures remain modest at 9°C (49°F), signaling the onset of a wintry chill, contrasted by the warmer summer months that can soar to 30°C (86°F). This December chill ushers in a serene beauty in Fjallbacka, inviting both locals and visitors to embrace the cozy essence of Scandinavia in winter.

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

The chart illustrates December temperature patterns in Fjallbacka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fjallbacka, 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).
JanFebMarAprMayJunJulAugSepOctNovDec333136425161646155473934
Data source: Temperature data for Fjallbacka 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 Fjallbacka

In December, Fjallbacka, Sweden, experiences a notable increase in precipitation, recording an average of 76 mm (3.0 in), reflecting the region's wintery climate. As the year draws to a close, a significant 14 days of rainfall mark this month, highlighting a trend of increasing precipitation days compared to earlier months. This uptick in both rainfall and wet days aligns with the pattern observed in the fall months, suggesting that December continues the trend of heightened moisture often seen in late autumn. The consistent precipitation is a reminder of the coming winter, setting the stage for the cold months ahead while enriching the landscape with lush greenery.

December Precipitation Trends in Fjallbacka

The chart displays monthly precipitation patterns in Fjallbacka, 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 Fjallbacka, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec485652296970768979896976
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Fjallbacka

In December, Fjallbacka experiences a humidity level of 93%, maintaining the high moisture trend established in the preceding months. Following the wettest winter months, January and February, where humidity peaks at 94% and 92% respectively, Fjallbacka sees a slight decrease in the spring months before humidity levels begin to rise again. The pattern shows a gradual dip from April’s 82% to May’s 73%, ultimately reaching a nadir in June and July with 71% and 72%. However, as autumn approaches, humidity rebounds considerably, ending the year on a moist note as December’s levels mirror those of November. This cyclical humidity pattern underscores Fjallbacka's characteristic coastal climate, providing a humid backdrop throughout the year.

December Average Humidity in Fjallbacka

This chart illustrates the average monthly humidity levels in Fjallbacka, 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 Fjallbacka is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%82%73%71%72%77%86%92%93%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Fjallbacka

In December, the UV Index in Fjallbacka, Sweden, stands at a low 1, with an exposure category that offers minimal risk for most outdoor activities. This reflects a consistent trend seen in the winter months, where UV levels remain low, similar to January and November, each also showing a UV Index of 1. As the year transitions from the bright summer months of June and July—when the UV Index peaks at 7—winter brings a welcome reprieve with safer sun exposure limits. With a burn time of 45 minutes, it's still wise to be mindful of the sun's rays during your outdoor adventures. For more details throughout the year, visit Fjallbacka UV Index.

Maximum UV Index Levels in Fjallbacka for December

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

In Fjallbacka, Sweden, the sunshine hours reveal a captivating transformation throughout the year. As winter gives way to spring, there is a noticeable surge in daylight, climbing from a modest 85 hours in January to a vibrant 279 hours by March. The arrival of summer brings a dazzling peak of 482 hours in July, enveloping the charming coastal town in warmth and light. However, as autumn approaches, the sunshine hours gradually wane, dropping to 134 hours in November and further to 94 hours in December. This cycle showcases not only the beauty of the changing seasons but also the stark contrast between the long, sunlit days of summer and the brief, crisp moments of winter, creating a unique rhythm to life in this picturesque locale.

Monthly Sunshine Duration in Fjallbacka: December Highlighted

The December sunshine duration represents the total number of hours Fjallbacka 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.
JanFebMarAprMayJunJulAugSepOctNovDec85h172h279h376h440h470h482h409h298h234h134h94h
Data source: Fjallbacka December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Fjallbacka During December

In Fjällbacka, Sweden, the chances of sunny weather in December hover around 26%, reflecting a trend that mirrors the waning light of late autumn. As the year progresses from November's 23% to the relatively stable chances in December and beyond, it becomes evident that winter months generally offer less sunshine. Interestingly, December holds similar probabilities to January, both sitting at the lower end of the spectrum when compared to spring months like April, which boasts its sunny peak at 51%. While the crisp, cold days of December may not promise abundant sunshine, they create a unique charm, inviting residents and visitors alike to embrace the winter's serene beauty.

Percentage of Sunny Days in December in Fjallbacka

The chart illustrates the percentage of sunny days in Fjallbacka 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 Fjallbacka experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%38%40%51%31%44%44%36%27%27%23%26%
Data source: Fjallbacka December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Fjallbacka in December

In Fjallbacka, Sweden, the rhythm of daylight unfolds dramatically throughout the year, revealing a captivating seasonal pattern. December marks the peak of winter's grip, offering only 6 hours of daylight, as the sun shyly retreats beneath the horizon. The year begins with a gradual increase, where January sees just 7 hours. However, as spring approaches in March, daylight begins to stretch, peaking at a generous 18 hours in June during the glorious midnight sun of summer. Following this luminous high, the light starts to wane again, with August providing a comforting 15 hours before dipping back down to 10 hours in October. Come November, as twilight descends, daylight shrinks back to 7 hours, signaling winter's arrival. This cyclical dance of light and shadow paints a vivid picture of life in Fjallbacka, where each month offers a unique opportunity to experience nature's breathtaking transformations.

Average Daylight Hours in Fjallbacka for December

The chart illustrates the variation in daylight duration in Fjallbacka throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 2m9h 15m11h 52m14h 31m16h 58m18h 21m17h 36m15h 21m12h 45m10h 8m7h 41m6h 16m
Data source: Fjallbacka daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Fjallbacka

As December settles over Fjällbacka, Sweden, the average wind speed reaches 3.5 m/s (8 mph), gently echoing the fluctuations of the preceding months. This December breeze mirrors the earlier part of the winter, with winds remaining noticeably mild compared to the gusts of autumn, where October peaked at 4.3 m/s (10 mph). In contrast to the slightly stronger winds of spring and early autumn, the December winds are reminiscent of the calmer days of late summer, hovering around 7-8 mph since May. This consistent flow creates a tranquil atmosphere, perfect for embracing the serene winter landscape that Fjällbacka is known for, as the year winds down.

Average December Wind Speed in Fjallbacka

The chart displays monthly wind speed patterns in Fjallbacka, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.63.83.93.13.23.13.23.54.33.83.5 m/s
Data source: Fjallbacka December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Fjallbacka Compares to Other Months

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

In December, temperatures tend to be slightly warmer with a minimum of -10°C (15°F) and an average of 1°C (34°F), whereas January sees a drop in the minimum to -15°C (6°F), while the average temperature remains at 0°C (33°F). Both months experience maximum temperatures of 9°C (49°F). December brings about 76 mm (3.0 in) of precipitation over 14 days, while January has less rainfall, totaling 48 mm (1.9 in) across just 8 days. Humidity levels are comparable, with December at 93% and January slightly higher at 94%. For more details on January weather conditions, check out this link: Fjallbacka weather in January.

December weather is characterized by relatively mild temperatures with averages hovering around 1°C (34°F), while February experiences slightly cooler conditions, where the average temperature drops to around 0°C (32°F). December sees a greater amount of precipitation at 76 mm (3.0 in) over 14 days, compared to February’s 56 mm (2.2 in) spread across 9 days, suggesting drier conditions in late winter. Humidity levels remain high in both months, with December at 93% and February slightly lower at 92%. For a closer look at February conditions, you can check out Fjallbacka weather in February.

December and March exhibit distinct weather patterns, reflecting the transition from winter to spring. In December, temperatures can dip as low as -10°C (15°F) with an average of 1°C (34°F) and a maximum of 9°C (49°F). The month experiences considerable precipitation, totaling around 76 mm (3.0 in) over 14 days, and the humidity remains high at 93%.

In contrast, March sees slightly milder conditions with minimum temperatures around -14°C (7°F), an average of 2°C (36°F), and a peak of 14°C (57°F). Precipitation decreases to 52 mm (2.0 in) over just 9 days, while humidity also drops to 89%. This shift in weather not only signals the advancing spring but also indicates a reduction in moisture and chill compared to the frigid December. For more detailed information on March weather, you can visit Fjallbacka weather in March.

December and April present notably different weather patterns. In December, temperatures typically range from a frigid -10°C (15°F) at night, with average daytime highs around just 1°C (34°F), peaking at 9°C (49°F). This month also sees considerable precipitation, totaling 76 mm (3.0 in) over approximately 14 days, accompanied by high humidity levels at 93%. In contrast, April experiences milder temperatures, with nighttime lows of -8°C (17°F) and average daily highs reaching 6°C (42°F), peaking at a much warmer 19°C (66°F). Additionally, April is much drier, receiving only 29 mm (1.1 in) of precipitation across about 7 days, and the humidity is lower at 82%. For more details on April weather, you can check out Fjallbacka weather in April.

Overall, while December is characterized by cold temperatures and frequent precipitation, April offers a significant warming trend and a shift towards drier conditions.

In December, the weather is characterized by cold temperatures, with a minimum of -10°C (15°F) and an average of 1°C (34°F), reaching a maximum of 9°C (49°F). This month sees significant precipitation, totaling 76 mm (3.0 in) over 14 days, coupled with high humidity levels of 93%. In contrast, May experiences much milder and more pleasant conditions, with temperatures ranging from a minimum of 1°C (34°F) to a comfortable maximum of 25°C (78°F) and an average of 11°C (52°F). With a slightly lower precipitation of 69 mm (2.7 in) spread over 12 days and humidity at a more moderate 73%, May offers a refreshing shift towards warmer and drier weather. For more insights on the weather specifics, visit Fjallbacka weather in May.

December and June exhibit stark contrasts in weather conditions. In December, temperatures can plunge as low as -10°C (15°F) with an average of just 1°C (34°F), while June enjoys a much milder climate with minimum temperatures around 6°C (43°F) and an average of 16°C (62°F). Precipitation levels are fairly similar, with December receiving 76 mm (3.0 in) over 14 days and June slightly less at 70 mm (2.7 in) across 10 days. Additionally, December's humidity is notably high at 93%, compared to June’s more comfortable 71%. This makes for a much chillier and damper December in contrast to the warmer and drier June. For more insights on June weather, check out Fjallbacka weather in June.

December and July present starkly contrasting weather conditions. In December, temperatures can drop as low as -10°C (15°F), with an average of just 1°C (34°F) and a maximum of 9°C (49°F). The month sees considerable precipitation, with rain or snow on 14 days and high humidity at 93%. In contrast, July boasts a much milder climate, with minimum temperatures around 8°C (47°F) and an average of 18°C (64°F), peaking at a warm 30°C (85°F). Although July also experiences precipitation, it occurs on fewer days—11 in total—and the humidity is notably lower at 72%. For more detailed weather information, check out Fjallbacka weather in July.

December and August present stark contrasts in weather. December typically sees much colder temperatures, with minimums dropping to -10°C (15°F) and averages hovering around 1°C (34°F), while August enjoys milder conditions with minimums at 8°C (47°F) and maximums reaching 30°C (86°F). Precipitation levels are relatively similar, with December receiving 76 mm (3.0 in) over 14 days and August slightly higher at 89 mm (3.5 in) over 15 days. Humidity also varies significantly; December boasts a high humidity level of 93%, compared to August's more comfortable 77%. For more information on the August weather specifics, please visit Fjallbacka weather in August.

December and September present contrasting weather patterns, reflecting the shift from late autumn to winter. In December, temperatures can drop as low as -10°C (15°F), with an average hovering around 1°C (34°F) and a maximum of only 9°C (49°F). The month also experiences high humidity at 93% and receives 76 mm (3.0 in) of precipitation over 14 days, contributing to a chilly and damp atmosphere.

In contrast, September enjoys milder weather, with minimum temperatures around 3°C (38°F) and an average of 13°C (55°F), reaching up to 21°C (71°F) at its peak. The month sees slightly more precipitation at 79 mm (3.1 in) over 13 days, but the humidity is a bit lower at 86%, creating a more comfortable ambiance compared to the cold, wet conditions of December. For those interested in exploring weather specifics, you can find more details here: Fjallbacka weather in September.

In comparing the weather between December and October, it's clear that December is much colder, with average temperatures hovering around 1°C (34°F) compared to October's warmer average of 8°C (47°F). The minimum temperature in December can drop to -10°C (15°F), while in October, it rarely falls below -1°C (30°F). Precipitation levels are fairly similar, with December recording 76 mm (3.0 in) over 14 days and October slightly higher at 89 mm (3.5 in) over 13 days. Both months experience high humidity, but December's 93% humidity is slightly greater than October's 92%. For a closer look at October weather patterns, you can visit Fjallbacka weather in October.

December weather tends to be colder than November, with average temperatures ranging from a minimum of -10°C (15°F) to a maximum of 9°C (49°F), compared to November's milder range of -7°C (19°F) to 15°C (58°F). While both months experience high humidity levels at 93%, December sees increased precipitation, totaling 76 mm (3.0 in) over 14 days, slightly more than November's 69 mm (2.7 in) over 12 days. For a more detailed look at November's weather specifics, check out Fjallbacka weather in November.

Compare Fjallbacka's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Fjallbacka

As winter takes hold in Fjallbacka, December introduces a chill that starkly contrasts the temperate conditions of previous months. With temperatures averaging around 1°C (34°F) and dipping as low as -10°C (15°F), the cold demands warm clothing and cozy indoor activities. While precipitation remains steady at 76 mm over about 14 days, the high humidity of 93% adds a noticeable bite to the air, creating a winter wonderland that feels both crisp and invigorating. For those looking to understand the full breadth of this coastal town’s climate, explore more at Fjallbacka Climate.