December Weather in Seydisfjoerdur, Iceland

Last updated: March 17, 2025

Experience the captivating December weather of Seydisfjoerdur, Iceland, where the landscape transforms under a veil of winter chill. With maximum temperatures reaching 9°C (49°F) and an average hovering around -2°C (28°F), the region can dip to a brisk -18°C (0°F) at night. This month witnesses substantial precipitation, totaling 194 mm (7.7 in) spread across 19 days, contributing to the breathtaking scenery of the area. Expect a high humidity level of 85%, which adds to the frosty ambiance, making it an enchanting winter wonderland perfect for exploration and adventure.

December Temperature in Seydisfjoerdur

In Seydisfjörður, Iceland, December ushers in the full embrace of winter, with temperatures averaging a brisk -2°C (28°F). The month tends to feature minimums dipping to -18°C (0°F), reflecting the deep chill, while maximums can reach a mild 9°C (49°F). This trend of colder temperatures is consistent with the preceding months, as December notably mirrors January and February's frigid patterns, making it one of the coldest times of the year. Those visiting during this period should prepare for a wintry landscape, where the combination of chilly air and potential snowfall creates a picturesque setting perfect for embracing Iceland's stunning natural beauty.

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

The chart illustrates December temperature patterns in Seydisfjoerdur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec272930343946514945373028
Data source: Temperature data for Seydisfjoerdur 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 Seydisfjoerdur

In Seydisfjoerdur, Iceland, December marks the peak of the wet season, with a remarkable 194 mm (7.7 in) of precipitation, making it one of the wettest months of the year. The frequency of rain is also notable, as it graces the town for 19 days throughout the month. Compared to previous months, December sees a significant increase in both precipitation volume and rainy days, surpassing November's 132 mm (5.2 in) and 18 days of rain. This pattern of heightened precipitation reflects the transition into winter, bringing a festive chill and enhancing the landscape's dramatic beauty as snow and rain intermingle. As the year draws to a close, Seydisfjoerdur's December weather serves as a reminder of the region's captivating, yet challenging, climatic characteristics.

December Precipitation Trends in Seydisfjoerdur

The chart displays monthly precipitation patterns in Seydisfjoerdur, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1181761427879977178128186132194
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Seydisfjoerdur

In Seydisfjoerdur, Iceland, December brings a humidity level of 85%, a notable decrease from the peaks of the summer months, where July hits a high of 93%. This month marks a shift, as the winter chill settles in, leading to lower humidity compared to the preceding months. Throughout the year, humidity gradually rises from 84% in January to its zenith in July, before beginning a gentle decline. January to December portrays a clear seasonal trend: humid conditions dominate in the late spring and summer, while winter months experience a refreshing drop, creating a unique blend of Iceland's vibrant seasonal contrasts.

December Average Humidity in Seydisfjoerdur

This chart illustrates the average monthly humidity levels in Seydisfjoerdur, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%87%86%88%90%93%91%90%90%88%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Seydisfjoerdur

In December, Seydisfjoerdur experiences a UV Index of 1, categorized as low, with a burn time of 45 minutes for unprotected skin. This trend marks a continuation of the lower UV levels typically seen throughout the winter months. Following the peak experienced in mid-summer, where the UV Index reached a maximum of 6 in June, the year rounds off with consistent low exposure levels, emphasizing the importance of seasonal awareness in sun protection. As the year transitions from snow-dusted landscapes to the return of milder conditions, it's crucial to stay educated about UV exposure. For more detailed monthly insights, visit Seydisfjoerdur UV Index.

Maximum UV Index Levels in Seydisfjoerdur for December

The chart shows the monthly maximum UV Index (UVI) for Seydisfjoerdur 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: Seydisfjoerdur 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 Seydisfjoerdur

As winter descends on Seydisfjoerdur, Iceland, December ushers in a stark contrast to the vibrant months preceding it, offering a mere 13 hours of sunshine. This dramatic dip in daylight is a far cry from the peaks of summer, where July basks in an impressive 318 hours of sun. The trend is clear; daylight hours steadily increase from the deep winter months of January and February—where the sun only graces the town for 30 and 89 hours respectively—culminating in the enchanting brightness of June. Yet, as the year draws to a close, the sun's retreat serves as a reminder of Iceland's stunning seasonal changes, creating a serene atmosphere perfect for cozying up with a warm drink while the hours of daylight are fleeting.

Monthly Sunshine Duration in Seydisfjoerdur: December Highlighted

The December sunshine duration represents the total number of hours Seydisfjoerdur 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.
JanFebMarAprMayJunJulAugSepOctNovDec30h89h193h255h293h304h318h268h196h111h62h13h
Data source: Seydisfjoerdur December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Seydisfjoerdur During December

In Seydisfjordur, Iceland, the likelihood of sunny weather in December is relatively low, with only a 13% chance of sun. This reflects a notable trend where the probability of sunny days fluctuates throughout the year. After peaking at 40% in July, the chances gradually diminish in the fall, hitting a low before the new year, as witnessed in January (17%) and February (15%). Notably, December’s sunshine probability is just slightly higher than October's dismal 12%. As winter settles in, residents and visitors alike can expect more overcast skies, illustrating the typical climatic patterns of this picturesque coastal town.

Percentage of Sunny Days in December in Seydisfjoerdur

The chart illustrates the percentage of sunny days in Seydisfjoerdur 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 Seydisfjoerdur experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%15%26%33%17%22%40%22%28%12%19%13%
Data source: Seydisfjoerdur December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Seydisfjoerdur in December

In Seydisfjoerdur, Iceland, the daylight duration experiences a dramatic seasonal transformation. As winter approaches, December offers the shortest days of the year, with just 3 hours of daylight, a stark contrast to the 21 hours enjoyed during the summer peak in June. This significant reduction highlights the region's unique polar climate, where sunlight ebbs away as the year closes. Following the gradual increase from 5 hours in January to 8 hours in February, the days lengthen rapidly towards the vibrant days of spring and summer, before they taper off again into the darker months of November and December. This clear trend of fluctuating daylight not only defines the rhythm of daily life in Seydisfjoerdur but also offers visitors a fascinating glimpse into the extraordinary interplay between light and seasonality in this captivating part of the world.

Average Daylight Hours in Seydisfjoerdur for December

The chart illustrates the variation in daylight duration in Seydisfjoerdur throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec5h 1m8h 21m11h 49m15h 20m18h 59m21h 54m20h 9m16h 29m12h 58m9h 31m6h 3m3h 38m
Data source: Seydisfjoerdur daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Seydisfjoerdur

As December settles over Seydisfjörður, Iceland, the winds begin to whisper a softer tune, averaging 2.4 m/s (5 mph)—a gentle decline from the breezier months earlier in the year. This trend of decreasing wind speeds unfolds gracefully throughout the year, peaking during the more blustery winter months of January through April before finding a calmer rhythm in the summer and early autumn. Interestingly, while the December winds become more tranquil, they still carry with them the crisp, refreshingly cool essence of winter, reflecting the stunning beauty of this enchanting fjord.

Average December Wind Speed in Seydisfjoerdur

The chart displays monthly wind speed patterns in Seydisfjoerdur, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.62.32.53.03.33.12.42.03.03.03.02.4 m/s
Data source: Seydisfjoerdur December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Seydisfjoerdur Compares to Other Months

The weather in Seydisfjoerdur 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 Seydisfjoerdur and find detailed weather information for every month.

December and January in Seydisfjördur share similar chilly temperatures, with average highs around -2°C (28°F) and -3°C (28°F), respectively. However, January tends to be slightly colder, dipping to a minimum of -20°C (-4°F), compared to December's -18°C (0°F). Precipitation levels also differ; December receives more moisture at 194 mm (7.7 in) over 19 days, whereas January has 118 mm (4.6 in) over just 15 days, resulting in somewhat drier conditions. Overall, both months are characterized by high humidity, around 85% for December and 84% for January, making the winter atmosphere consistently crisp and damp. For more detailed information, check out Seydisfjoerdur weather in January.

In December, temperatures in Seydisfjördur can reach a minimum of -18°C (0°F) and an average of -2°C (28°F), with maximums around 9°C (49°F). This month experiences significant precipitation, totaling 194 mm (7.7 in) over 19 days, accompanied by high humidity levels of 85%. Comparatively, February sees similar minimum temperatures of -18°C (0°F) and a slightly higher average of -2°C (29°F), with maximums just below December's at 8°C (46°F). Precipitation is slightly lower in February at 176 mm (6.9 in), still spread across 19 days and maintaining the same humidity of 85%. For a more detailed look at the weather conditions, visit Seydisfjoerdur weather in February.

In December, the weather is generally colder, with temperatures ranging from a minimum of -18°C (0°F) to a maximum of 9°C (49°F) and an average of -2°C (28°F). Precipitation is higher, with 194 mm (7.7 in) falling over 19 days, contributing to an 85% humidity level. In contrast, March sees slightly warmer temperatures, with lows of -12°C (11°F) and highs of 11°C (51°F), averaging -1°C (31°F). Precipitation decreases to 142 mm (5.6 in) over 18 days, and humidity levels rise to 87%. These differences highlight a gradual warming trend as winter transitions into spring. For detailed information on March weather, visit Seydisfjoerdur weather in March.

December weather in Seydisfjoerdur is characterized by much colder temperatures, with averages around -2°C (28°F) and extremes reaching as low as -18°C (0°F). The month sees significant precipitation, totaling 194 mm (7.7 in) over 19 days, and a high humidity level of 85%. In contrast, April offers a slight reprieve from the bitter cold, with average temperatures rising to 1°C (34°F) and a maximum of 11°C (53°F), though it still experiences chilly nights with minimum temperatures around -12°C (10°F). Rainfall is notably lower in April, with 78 mm (3.1 in) distributed over 13 days, and humidity remains high at 86%. For more details on April’s weather patterns, you can explore Seydisfjoerdur weather in April.

December and May weather in Seydisfjoerdur present a stark contrast that reflects the changing seasons. In December, temperatures can plunge to a minimum of -18°C (0°F) and typically hover around an average of -2°C (28°F), making it a cold and often harsh month, characterized by significant precipitation of 194 mm (7.7 in) over 19 days. The high humidity level of 85% adds to the chill of the winter air.

In contrast, May ushers in a gradual warming trend, with temperatures ranging from a minimum of -9°C (16°F) to a much more pleasant maximum of 17°C (63°F), resulting in an average of 4°C (39°F). The month sees considerably less precipitation, with 79 mm (3.1 in) falling over 16 days, while humidity remains high at 88%, contributing to a refreshing spring atmosphere. For more detailed insights into Seydisfjoerdur weather in May, check out Seydisfjoerdur weather in May.

When comparing the weather in December and June, it's clear that these two months offer vastly different climates. December experiences bitterly cold temperatures, with a minimum of -18°C (0°F) and an average around -2°C (28°F), while June enjoys much milder conditions, with lows around -1°C (30°F) and pleasant highs reaching 22°C (71°F). Precipitation also varies significantly; December has a higher total of 194 mm (7.7 in) over 19 days, compared to June's 97 mm (3.8 in) over 15 days, contributing to a wetter winter backdrop. Humidity remains high in both months, at 85% in December and slightly higher at 90% in June, giving a palpable sense of moisture in the air. For a closer look at June weather specifics, check out Seydisfjoerdur weather in June.

December and July present two contrasting facets of weather. In December, temperatures range from a chilling -18°C (0°F) at night to a daytime maximum of 9°C (49°F), with an average temperature around -2°C (28°F). This month sees significant precipitation at 194 mm (7.7 in) spread over 19 days, accompanied by high humidity levels of 85%. In stark contrast, July offers a milder climate, with minimum temperatures of 2°C (36°F) and maximums reaching 22°C (72°F), averaging around 10°C (51°F). The precipitation is much lower at 71 mm (2.8 in) over 14 days, and humidity rises slightly to 93%. For more specific details, you can check Seydisfjoerdur weather in July.

When comparing the weather in December and August, it's clear that these two months present stark contrasts. December experiences much colder temperatures, with a chilling minimum of -18°C (0°F) and an average of -2°C (28°F), while August sees milder conditions, with temperatures ranging from a minimum of 0°C (33°F) to a comfortable maximum of 21°C (71°F). Precipitation is also notably different; December receives a significant 194 mm (7.7 in) over 19 days, compared to August's 78 mm (3.1 in) over 14 days. Additionally, December's humidity sits at 85%, slightly lower than August's higher humidity level of 91%. For a more detailed look at August's climate, you can refer to Seydisfjoerdur weather in August.

The weather in December is markedly colder than in September, with average temperatures hovering around -2°C (28°F), compared to September's milder average of 7°C (45°F). While December experiences more severe winter conditions, including a chilling minimum temperature of -18°C (0°F), September offers a more temperate range, peaking at 19°C (67°F). Precipitation levels are also notable, with December receiving 194 mm (7.7 in) over 19 days, compared to September's 128 mm (5.0 in) over the same number of days. Humidity is slightly lower in December at 85%, while September maintains a higher humidity level of 90%. For more details, you can check Seydisfjoerdur weather in September.

In December, the weather in Seydisfjörður becomes noticeably colder, with minimum temperatures plummeting to -18°C (0°F) and an average around -2°C (28°F). In contrast, October is milder, featuring a minimum temperature of -12°C (10°F) and an average of 3°C (37°F). While both months receive considerable precipitation, December experiences slightly more at 194 mm (7.7 in) over 19 days, compared to October's 186 mm (7.3 in) over 21 days. Additionally, humidity remains high in both months, but December typically sees around 85% compared to October's 90%. For a more detailed look at October's weather, you can visit Seydisfjoerdur weather in October.

December weather is generally colder and wetter than November. The minimum temperature in December can drop to a frigid -18°C (0°F), compared to November's milder minimum of -13°C (8°F). While the average temperature remains similar, December records a slightly higher maximum temperature of 9°C (49°F), compared to November's 10°C (50°F). December also sees increased precipitation, with 194 mm (7.7 in) over 19 days, whereas November has 132 mm (5.2 in) over 18 days. Humidity is slightly lower in December at 85%, compared to November's 88%. For more detailed information, check out Seydisfjoerdur weather in November.

Compare Seydisfjoerdur's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Seydisfjoerdur

As December blankets Seydisfjoerdur in winter's embrace, the weather takes a sharp turn, contrasting significantly with the milder months that precede it. Temperatures plunge, often dipping into below-freezing territory, while the landscape transforms under frequent precipitation, creating a tapestry of snow and ice. The increased humidity, paired with a noteworthy number of wet days, sets the stage for a truly Arctic experience. Whether you're drawn to the cozy charm of the village or the breathtaking beauty of its frosted surroundings, December offers a unique and magical slice of Seydisfjoerdur's climate. To explore more about what makes this charming town's weather distinct, check out Seydisfjoerdur Climate.