Last updated: March 17, 2025
In December, Hafnarfjörður, Iceland, experiences a crisp winter climate characterized by a maximum temperature of 10°C (50°F) and an average of 1°C (34°F). The chill in the air can drop to a minimum of -9°C (16°F), creating a striking contrast to the lush landscapes. With 114 mm (4.5 in) of precipitation spread over 16 days, locals and visitors alike can expect frequent but gentle reminders of the season. High humidity levels at 84% enhance the coldness, contributing to the enchanting atmosphere of this coastal town. Whether you're exploring the vibrant culture or soaking in the stunning natural beauty, December in Hafnarfjörður offers a unique winter experience.
In December, Hafnarfjörður experiences a crisp and chilly climate, with temperatures reflecting the onset of winter in Iceland. With minimums dipping to -9°C (16°F), residents and visitors brace for a brisk atmosphere, while average temperatures hover around 1°C (34°F). The maximum temperature peaks at 10°C (50°F), offering a mild contrast during the daylight hours. This month marks a noticeable shift from November's slightly warmer trends, setting the stage for the coldest months ahead. As the landscape transforms into a winter wonderland, December captures the essence of Iceland's enchanting seasonal beauty.
In Hafnarfjörður, Iceland, December wraps up the year with an average precipitation of 114 mm (4.5 in), falling over approximately 16 days. This marks a slight decrease from November, where 112 mm was recorded over 15 days. As winter takes hold, December's precipitation continues a trend of varying monthly totals, peaking in September with 163 mm, while the summer months enjoy noticeably drier conditions. Overall, Hafnarfjörður experiences a persistent, although fluctuating, rhythm of rainfall, underscoring the region's characteristic maritime climate. With the arrival of winter, residents can expect a combination of rain and potential snow, contributing to the enchanting landscapes that Iceland is known for.
As December settles in Hafnarfjörður, the humidity remains comfortably high at 84%, aligning closely with the year's trend of elevated moisture levels. The months leading up to December show a gradual increase, peaking in October at 88%, then slightly receding yet maintaining a consistent range. With humidity levels consistently hovering between 81% and 88% throughout the year, locals can expect a relatively humid winter environment, where the crisp, cold air pairs with a refreshing dampness. This continual humidity fosters the striking natural beauty of Iceland's winter landscapes, making December a truly enchanting month to experience the unique character of this coastal town.
In Hafnarfjoerdur, Iceland, the UV Index in December stands at a low 1, indicative of minimal sun exposure risk. This trend of low UV levels continues from November and wraps up a year characterized by gradually rising indices from the depths of winter to the peaks of summer. Notably, while April through July experiences more moderate to high levels, prompting shorter burn times, the end of the year returns to safer, burn-free conditions with a consistent 45-minute exposure tolerance. This seasonal fluctuation emphasizes the importance of monitoring UV levels year-round, even in seemingly mild months. For more detailed information, visit Hafnarfjoerdur UV Index.
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In December, Hafnarfjörður experiences a stark shift in daylight as the year reaches its twilight. With only 29 hours of sunshine, the month stands out as a stark contrast to the vibrant light of summer months like May, which boasted an impressive 344 hours. This ebb in sunlight follows an unmistakable trend, where each month gradually yields less light; January starts with 41 hours, but by the time December rolls around, the days are noticeably shorter. As winter settles in, the shift from the long, bright days of early summer to the dimness of December paints a vivid picture of the natural rhythm of life in Iceland, inviting residents and visitors alike to embrace the cozy charm of the season.
In Hafnarfjörður, Iceland, the likelihood of enjoying sunny weather in December stands at a modest 18%. This trend reflects a generally overcast winter pattern, with sunshine being particularly scarce during the coldest months. Notably, December sees a slight decline in sun chances compared to the previous month of November at 22%, emphasizing a transition into the heart of winter where daylight hours dwindle and cloud cover increases. Contrastingly, May emerges as the sunniest month, boasting a 42% chance, highlighting a distinct seasonal shift toward brighter skies as winter gives way to spring. Overall, while December may not be the best time for sun-seekers, the crisp Icelandic winter holds its own charm, beckoning adventurers to embrace its unique beauty.
In Hafnarfjörður, Iceland, daylight duration follows a dramatic seasonal rhythm that reflects the unique beauty of its northern latitude. In December, residents and visitors experience a brief 4 hours of daylight, the lowest of the year, as winter firmly grips the landscape. This dwindling light is part of a larger trend where daylight starts to decrease significantly after the long days of June, which boasts an impressive 20 hours of sunshine. As the year progresses from the mild brightness of May and June, the gradual decline brings darker months, with November seeing just 6 hours. This contrast highlights the enchanting cycle of Icelandic seasons, where each month offers a distinctive atmosphere that invites exploration and appreciation of the stunning, often stark, natural scenery.
In Hafnarfjörður, Iceland, the month of December typically experiences a mild breeze, with average wind speeds around 4.3 m/s (10 mph). This marks a subtle decline from the slightly higher winds of November and aligns with a notable trend observed throughout the months. The coldest season sees less gusty conditions compared to the peak winds in late summer and early autumn, where speeds reach up to 5.0 m/s (11 mph) in the earlier months. Interestingly, there seems to be a general pattern where winter months tend to bring calmer winds, making December a serene time to experience the coastal charm of Hafnarfjörður amidst its frosty landscapes.
The weather in Hafnarfjoerdur 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 Hafnarfjoerdur and find detailed weather information for every month.
December and January exhibit very similar weather patterns, with only slight variations in temperature and precipitation. In December, temperatures range from a minimum of -9°C (16°F) to a maximum of 10°C (50°F), while January sees a slightly colder minimum of -11°C (13°F) but maintains the same maximum of 10°C (51°F). Both months share an average temperature of around 1°C (34°F), with precipitation levels also comparable—December receiving 114 mm (4.5 in) and January slightly more at 118 mm (4.6 in), occurring over the same number of days (16). Humidity levels remain consistent at 84% for both months, contributing to the overall chilly and damp atmosphere. For those interested in more specific details about January weather, you can check Hafnarfjoerdur weather in January.
In comparing the weather conditions of December and February, both months exhibit similar average temperatures around 1°C (34°F), but February generally experiences colder minimum temperatures, dropping as low as -18°C (0°F) compared to December’s minimum of -9°C (16°F). Precipitation levels are slightly higher in February at 135 mm (5.3 in) over 19 days, whereas December sees 114 mm (4.5 in) across 16 days. Additionally, humidity remains relatively consistent, with December at 84% and February at 82%. For more detailed information on February weather in Hafnarfjöður, you can refer to this link: Hafnarfjoerdur weather in February.
When comparing the weather in December and March, we observe some notable similarities and differences. Both months feature maximum temperatures peaking at 10°C (50°F), but December generally has a slightly warmer average temperature of 1°C (34°F) compared to March's average of 2°C (35°F). December also experiences a higher average precipitation of 114 mm (4.5 in) over 16 days, whereas March sees slightly less rainfall at 105 mm (4.1 in) across 18 days. Additionally, humidity remains quite high in both months, with December at 84% and March at 85%. For more specific details on March weather, you can check out Hafnarfjoerdur weather in March.
Comparing the weather in December and April reveals notable differences in both temperature and precipitation. December experiences colder temperatures with a minimum of -9°C (16°F) and an average of just 1°C (34°F), while April sees a slight increase, with averages rising to 4°C (40°F) and a maximum of 13°C (56°F). In terms of precipitation, December has a total of 114 mm (4.5 in) over 16 days, while April receives slightly more at 138 mm (5.4 in) across 17 days. Despite the increase in rainfall during April, the humidity remains relatively consistent, with December at 84% and April at 81%. For a more detailed look at April weather patterns, you can visit Hafnarfjoerdur weather in April.
When comparing the weather in December and May, notable contrasts emerge. December experiences colder temperatures, with a minimum of -9°C (16°F) and an average of 1°C (34°F), while May warms up slightly, with temperatures ranging from a minimum of -3°C (27°F) and an average of 7°C (44°F). Although December has lower overall precipitation at 114 mm (4.5 in) over 16 days, May sees a bit more rainfall, totaling 124 mm (4.9 in) across 18 days. Humidity levels remain similar, with December at 84% and May at 83%. For a more detailed look at May's weather, you can check Hafnarfjoerdur weather in May.
In December, the weather is significantly colder, with average temperatures hovering around 1°C (34°F) and minimums dipping as low as -9°C (16°F). The month experiences a high level of humidity at 84% and sees about 114 mm (4.5 in) of precipitation spread over 16 days. In contrast, June warms up considerably, with average temperatures rising to 9°C (49°F) and maximums reaching 19°C (66°F). The precipitation amount is slightly lower at 97 mm (3.8 in), occurring over 17 days, while the humidity remains relatively high at 82%. For a more detailed look at the weather conditions in June, you can visit Hafnarfjoerdur weather in June.
December and July offer starkly contrasting weather conditions. In December, temperatures can plunge as low as -9°C (16°F), with an average temperature hovering around 1°C (34°F) and reaching a maximum of 10°C (50°F). This chilly month also brings substantial precipitation, totaling 114 mm (4.5 in) over about 16 days, coupled with high humidity levels at 84%. In contrast, July presents a much milder climate, with minimum temperatures of 3°C (38°F), an average of 11°C (53°F), and maximums reaching 23°C (74°F). Precipitation in July is lighter at 81 mm (3.2 in) over the same number of rainy days, and humidity is slightly higher at 86%. For a closer look at July weather, you can visit Hafnarfjoerdur weather in July.
December's weather is characterized by much colder temperatures, with minimums dropping to -9°C (16°F) and an average temperature of around 1°C (34°F). The month sees a high level of precipitation, totaling 114 mm (4.5 in) over about 16 days, along with a humidity level of 84%. In contrast, August offers a milder climate, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 19°C (66°F) and an average of 11°C (52°F). Precipitation is slightly less, at 90 mm (3.6 in) falling over 14 days, coupled with a higher humidity of 87%. For more detailed insights, check Hafnarfjoerdur weather in August.
In December, temperatures drop significantly with a minimum of -9°C (16°F) and an average of 1°C (34°F), while the maximum reaches just 10°C (50°F). This month also experiences considerable precipitation, totaling 114 mm (4.5 in) over 16 days, and maintains high humidity levels at 84%. In contrast, September welcomes slightly milder conditions, featuring a minimum of -2°C (29°F) and an average of 8°C (47°F), peaking at 16°C (60°F). However, it sees more precipitation, accumulating 163 mm (6.4 in) over 22 days, with humidity at 87%. For a detailed look at the weather patterns during this month, you can visit Hafnarfjoerdur weather in September.
When comparing the weather in December to October, December tends to be colder with average temperatures hovering around 1°C (34°F) as opposed to October's average of 5°C (42°F). The minimum temperature in December can drop to -9°C (16°F), making it significantly chillier than October's minimum of -5°C (23°F). Precipitation levels are similar, with December recording 114 mm over 16 days, slightly more than October's 111 mm over 17 days. Humidity is also high in both months, with December at 84% compared to October's 88%. For more detailed insights on October weather, you can visit Hafnarfjoerdur weather in October.
In December, the weather shows a slight cooling trend compared to November, with average temperatures dropping from 2°C (36°F) in November to 1°C (34°F) in December. Both months experience similar minimum temperatures of -9°C (16°F), while December's maximum temperature reaches 10°C (50°F), slightly below November's maximum of 11°C (52°F). Precipitation levels are comparable, with December recording 114 mm (4.5 in) over 16 days, just edging out November's 112 mm (4.4 in) over 15 days. Humidity remains high in both months, at 84% in December and 85% in November. For more details on November weather, visit Hafnarfjoerdur weather in November.
As December settles in, Hafnarfjörður experiences a notable shift in weather compared to the milder months preceding it. With average temperatures hovering around 1°C (34°F), this month is marked by colder spells and a significant increase in precipitation, totaling about 114 mm over approximately 16 days. The high humidity of 84% contributes to a chilly atmosphere that often embraces the twinkling lights of the holiday season. As the year draws to a close, the weather transforms into a winter wonderland, making December a unique time to explore the natural beauty of this Icelandic town. For a deeper look into what the changing seasons bring, check out the Hafnarfjoerdur Climate page.