December Weather in Isafjoerdur, Iceland

Last updated: March 17, 2025

December in Ísafjörður, Iceland presents a unique weather experience that encapsulates the spirit of winter. With maximum temperatures reaching a mild 8°C (47°F) and dropping to a chilly -12°C (10°F), the average temperature rests at a brisk -1°C (30°F). Rain and snow combine to deliver 127 mm (5.0 in) of precipitation over 21 days, contributing to the town's enchanting winter landscape. Additionally, the high humidity level of 87% creates a crisp, immersive atmosphere, perfect for experiencing the stunning natural beauty of the region.

December Temperature in Isafjoerdur

As December arrives in Isafjoerdur, Iceland, temperatures continue the downward trend typical of winter's onset. With an average of -1°C (30°F), this month sits closely between the frigid lows of -12°C (10°F) and a modest high of 8°C (47°F). This pattern showcases a consistent chill as the holiday season approaches, mirroring the colder temperatures that began to creep in during November. The transition to winter is apparent, with December preserving the icy essence of Iceland while offering the occasional respite with temperatures just above freezing on the warmer days. This mix of frosty air and glimmers of milder weather makes December a unique and serene month for visitors and locals alike, perfect for embracing the enchanting beauty of the snowy landscapes.

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

The chart illustrates December temperature patterns in Isafjoerdur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec283029343844484843383230
Data source: Temperature data for Isafjoerdur 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 Isafjoerdur

In Isafjoerdur, Iceland, December experiences a notable precipitation level of 127 mm (5.0 in), reflecting a pattern of consistently high moisture as the year draws to a close. With 21 days of precipitation, it marks the month with the most rainy days, surpassing both January and February, which each average 20 days. As autumn transitions to winter, this uptick in precipitation aligns with a broader trend observed throughout the fall, where monthly totals peak in September at 155 mm before gradually decreasing but still remaining substantial. Overall, December's weather underscores Isafjoerdur's characteristic charm—an intimate dance between chilly winds and lively moisture that colors the landscape and enriches the local ecosystem.

December Precipitation Trends in Isafjoerdur

The chart displays monthly precipitation patterns in Isafjoerdur, 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.
JanFebMarAprMayJunJulAugSepOctNovDec12713110911377717976155130116127
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Isafjoerdur

In Isafjoerdur, Iceland, December marks a continuation of the region's notably high humidity levels, averaging at 87%. This figure aligns closely with the preceding months, illustrating a trend of consistent moisture in the air as the winter approaches. While January and February maintain their grip on the highest humidity, hovering around 89%, December serves as a transitional month, reflecting a slight decrease from the autumn's lush moisture but still keeping the air refreshingly damp. This persistent humidity creates a unique ambiance, enhancing the wintry landscape's charm while also hinting at the cold, crisp days ahead.

December Average Humidity in Isafjoerdur

This chart illustrates the average monthly humidity levels in Isafjoerdur, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%90%86%87%85%88%89%89%88%87%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Isafjoerdur

In December, Isafjoerdur experiences a low UV Index of 1, consistent with the patterns from January and November. This indicates minimal UV exposure, allowing for a burn time of about 45 minutes. The trend throughout the colder months shows a gradual increase in UV levels as the year progresses, peaking in June with a high index of 6. From April to September, UV levels reach moderate, reminding residents and visitors alike to stay vigilant during sunny days. However, as winter settles in, the UV risks decrease significantly, making December a perfect time for winter activities with less concern about sunburn. For more details, visit the Isafjoerdur UV Index.

Maximum UV Index Levels in Isafjoerdur for December

The chart shows the monthly maximum UV Index (UVI) for Isafjoerdur 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.
JanFebMarAprMayJunJulAugSepOctNovDec112456543211
Data source: Isafjoerdur 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 Isafjoerdur

In Isafjoerdur, Iceland, the battle between daylight and darkness reaches a defining moment in December, where the sun graces the region for a mere 8 hours. This month starkly contrasts with the brighter months preceding it, with daylight peaking in May at an impressive 324 hours. As the year progresses from the vibrant summer to the dim light of winter, the gradual decline is evident—November offers only 36 hours, setting the stage for the depths of December. This seasonal ebb illustrates how fleeting sunlight can be in this coastal town, inviting a unique ambiance that combines both tranquility and a touch of melancholy as residents embrace the long evenings and the enchanting beauty of the long winter nights.

Monthly Sunshine Duration in Isafjoerdur: December Highlighted

The December sunshine duration represents the total number of hours Isafjoerdur 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.
JanFebMarAprMayJunJulAugSepOctNovDec17h60h157h224h324h285h267h243h152h100h36h8h
Data source: Isafjoerdur December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Isafjoerdur During December

In Ísafjörður, Iceland, the likelihood of experiencing sunny weather in December stands at a moderate 15%. While this figure aligns with the sunniest months of October and November, it also reflects a broader trend of declining sunlight as winter settles in. Notably, the highest chances of sunshine occur in May with 34%, suggesting a significant drop as the year progresses into the harsh winter months. This trend underscores Ísafjörður's reputation for its inhospitable December weather, where overcast skies and limited daylight dominate, making any glimpse of sunshine a rare and cherished occurrence.

Percentage of Sunny Days in December in Isafjoerdur

The chart illustrates the percentage of sunny days in Isafjoerdur 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 Isafjoerdur experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%8%10%21%34%19%12%14%10%17%15%15%
Data source: Isafjoerdur December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Isafjoerdur in December

In Isafjoerdur, Iceland, the allure of daylight ebbs and flows throughout the year, creating a fascinating rhythm. December, much like November, offers just 3 hours of daylight, marking one of the shortest days of the year. This stark contrast to the sun-drenched days of June, which boasts nearly 23 hours of daylight, highlights the dramatic seasonal shifts typical of this region. As we transition from the bright 19 hours of daylight in May to the meager 4 hours seen in January, the journey through the year reveals a cyclical pattern of dwindling light, a poignant reminder of nature's beautiful yet stark transformations in the Arctic landscape. Embracing the dark, the locals often celebrate the enchanting nights filled with the glow of the Northern Lights, making December a month where, despite its brief daylight hours, magic still lingers in the air.

Average Daylight Hours in Isafjoerdur for December

The chart illustrates the variation in daylight duration in Isafjoerdur throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec4h 36m8h 12m11h 49m15h 29m19h 25m23h 29m20h 49m16h 41m13h9h 25m5h 44m3h
Data source: Isafjoerdur daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Isafjoerdur

In December, the winds in Ísafjörður, Iceland, blow gently at an average speed of 4.2 m/s (9 mph), marking a slight decrease from the busier gusts of October and September. As we transition from the vibrant autumn months to the quiet stillness of winter, the winds have generally trended downward since their peak in October at 6.1 m/s (14 mph). This seasonal shift showcases a typical pattern for the region: while the early months of the year, such as January and March, experience gustier conditions, the summer months often bring a calmer breeze. December’s tranquil winds invite a sense of peaceful reflection as the landscape is blanketed in snow, reminding us of the ever-changing yet rhythmically consistent nature of Icelandic weather.

Average December Wind Speed in Isafjoerdur

The chart displays monthly wind speed patterns in Isafjoerdur, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.14.35.33.73.94.53.73.05.46.14.64.2 m/s
Data source: Isafjoerdur December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Isafjoerdur Compares to Other Months

The weather in Isafjoerdur changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Isafjoerdur and find detailed weather information for every month.

In December, the weather features an average temperature of -1°C (30°F), with minimums dropping to -12°C (10°F) and maximums reaching up to 8°C (47°F). The month sees significant precipitation, totaling 127 mm (5.0 in) over 21 days, accompanied by high humidity at 87%.

In comparison, January's weather is quite similar, with an average temperature of -2°C (29°F), maintaining the same minimum of -12°C (11°F) and a maximum of 8°C (47°F). The precipitation remains consistent at 127 mm (5.0 in) but occurs over one day less, totaling 20 days, while humidity slightly increases to 89%. For a detailed look at January weather conditions, you can refer to Isafjoerdur weather in January.

In December, temperatures in Isafjoerdur typically range from a minimum of -12°C (10°F) to a maximum of 8°C (47°F), with an average temperature of -1°C (30°F). The month sees approximately 127 mm (5.0 in) of precipitation over 21 days, accompanied by a high humidity level of 87%.

Conversely, February experiences slightly cooler conditions with minimum temperatures dropping to -13°C (8°F) and a maximum reaching 7°C (44°F), while maintaining the same average temperature of -1°C (30°F). Precipitation is somewhat higher at 131 mm (5.2 in) over 20 days, and humidity levels rise to 89%.

For more detailed weather insights, you can check Isafjoerdur weather in February.

In comparing the weather between December and March, both months exhibit chilly temperatures, with December seeing a minimum of -12°C (10°F) and an average of -1°C (30°F), while March has a slightly lower minimum of -13°C (10°F) and an average of -2°C (29°F). The maximum temperatures are also quite similar, with December reaching up to 8°C (47°F) and March peaking at 6°C (44°F). Precipitation levels are fairly close, with December receiving 127 mm (5.0 in) over 21 days and March experiencing a total of 109 mm (4.3 in) across 19 days. Interestingly, March is characterized by a slightly higher humidity at 90%, compared to December's 87%. For a more detailed look at what to expect, check out Isafjoerdur weather in March.

December and April present contrasting weather experiences despite having similar minimum temperatures of -12°C (10°F). In December, the average temperature hovers around -1°C (30°F), with a maximum of 8°C (47°F). The month sees a significant amount of precipitation, accumulating to 127 mm (5.0 in) over 21 days and maintaining a high humidity level of 87%. In contrast, April witnesses a slight increase in average temperature to 1°C (34°F) and a maximum of 12°C (53°F), while precipitation decreases to 113 mm (4.4 in) spread over 16 days. Humidity remains relatively stable at 86%. For a more detailed view of April's weather, you can visit Isafjoerdur weather in April.

December and May present quite distinct weather patterns. In December, temperatures can plummet to a minimum of -12°C (10°F) and typically hover around an average of -1°C (30°F), with a maximum reaching 8°C (47°F). The month is characterized by high precipitation, accumulating approximately 127 mm (5.0 in) over 21 days, all set against a backdrop of consistent humidity at 87%. In contrast, May brings more temperate conditions, with temperatures ranging from a low of -4°C (25°F) to a comfortable average of 4°C (39°F) and a high of 13°C (55°F). Precipitation is also reduced, totaling about 77 mm (3.0 in) over just 14 days, while humidity remains the same at 87%. For a closer look at May weather specifics, you can visit Isafjoerdur weather in May.

December and June present contrasting weather experiences, reflecting the stark differences between winter and early summer. In December, temperatures can plunge as low as -12°C (10°F), with an average hovering around -1°C (30°F) and a maximum of 8°C (47°F). The month sees considerable precipitation, accumulating to 127 mm (5.0 in) over 21 days, and the air remains quite humid at 87%.

In contrast, June offers a milder climate with minimum temperatures starting at 0°C (33°F) and averaging around 7°C (44°F), peaking at 14°C (57°F). The precipitation is also lighter in June, totaling 71 mm (2.8 in) over 14 days, and humidity levels are slightly lower at 85%. For a closer look at the weather in June, you can explore this link: Isafjoerdur weather in June.

December and July present strikingly different weather patterns. In December, temperatures can plummet to a minimum of -12°C (10°F), with an average of -1°C (30°F) and a maximum of 8°C (47°F). The month sees significant precipitation, averaging 127 mm (5.0 in) over 21 days, and high humidity at 87%. In contrast, July offers a milder climate, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 17°C (62°F), and an average of 9°C (48°F). Precipitation is also lower, at 79 mm (3.1 in) spread across just 14 days, while humidity remains relatively constant at 88%. For a deeper understanding of July's conditions, you can check Isafjoerdur weather in July.

December and August exhibit stark contrasts in weather conditions. In December, temperatures range from a frigid -12°C (10°F) at their lowest to a mild 8°C (47°F) at their highest, with an average of -1°C (30°F). This month also experiences significant precipitation, totaling 127 mm (5.0 in) over 21 days, accompanied by high humidity levels of 87%. In contrast, August sees a much warmer climate, with temperatures varying from a minimum of 3°C (37°F) to a maximum of 17°C (62°F), averaging 9°C (48°F). Precipitation in August is lighter, totaling 76 mm (3.0 in) across 14 days, with humidity slightly higher at 88%. For more detailed weather information, you can visit Isafjoerdur weather in August.

In December, the weather is significantly colder, with temperatures ranging from a minimum of -12°C (10°F) to a maximum of 8°C (47°F), averaging around -1°C (30°F). In contrast, September experiences milder conditions, with temperatures ranging from -3°C (28°F) to a maximum of 13°C (56°F) and an average of 6°C (44°F). Additionally, while December receives 127 mm (5.0 in) of precipitation over 21 days, September sees slightly more precipitation at 155 mm (6.1 in) over 20 days, reflecting its wetter late summer transition. Humidity levels are similar in both months, hovering around 87% in December and 89% in September, making both months quite damp. For a more detailed look at September weather, visit Isafjoerdur weather in September.

December weather in Isafjoerdur is notably colder than October, with average temperatures dropping from 3°C (38°F) in October to around -1°C (30°F) in December. The minimum temperatures also plunge significantly, from -6°C (22°F) in October to a chilling -12°C (10°F) in December. Precipitation levels remain relatively similar, with December experiencing 127 mm (5.0 in) over 21 days compared to October's 130 mm (5.1 in) over 20 days. Humidity remains high in both months, slightly decreasing from 88% in October to 87% in December. For more detailed information on October's weather, you can visit Isafjoerdur weather in October.

December brings colder temperatures compared to November, with minimums dropping to -12°C (10°F) and averaging around -1°C (30°F), while November sees a milder minimum of -9°C (16°F) and an average of 0°C (33°F). Precipitation increases slightly in December, measuring 127 mm (5.0 in) over 21 days, compared to November's 116 mm (4.6 in) over 19 days. Interestingly, both months share the same humidity level of 87%, contributing to a consistently damp atmosphere during the late fall and early winter. For more detailed information, check out Isafjoerdur weather in November.

Compare Isafjoerdur's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Isafjoerdur

December in Ísafjörður presents a distinctly crisp and moody atmosphere, setting it apart from the milder months of the year. With average temperatures hovering around -1°C, the chill is palpable, deepened by the high humidity of 87%, which brings a unique, wintry feel to the air. The frequent precipitation, occurring on about 21 days throughout the month, adds to the region's enchanting beauty, blanketing the landscape in a serene layer of snow that transforms Ísafjörður into a picturesque winter wonderland. For a detailed look at how December fits into the broader climate patterns of this beautiful locale, visit Isafjoerdur Climate.