December Weather in Vestmannaeyjar, Iceland

Last updated: March 17, 2025

December in Vestmannaeyjar, Iceland brings a wintry mix with temperatures ranging from a maximum of 10°C (50°F) to a chilling minimum of -4°C (26°F), averaging around 4°C (39°F). The island experiences significant moisture, with 189 mm (7.5 in) of precipitation over 19 days, contributing to an overall humidity level of 84%. Despite the frequent rain and cool temperatures, the enchanting landscape and dramatic coastal views offer a unique charm that captivates visitors during the winter months.

December Temperature in Vestmannaeyjar

In December, Vestmannaeyjar, Iceland experiences a gradual transition into winter, with temperatures dipping to a minimum of -4°C (26°F). The average temperature hovers around 4°C (39°F), while daytime highs reach up to 10°C (50°F). This month marks a continuation of the cooler trends seen in preceding months, particularly alongside the shift from the relatively mild conditions of autumn. As the year comes to a close, visitors can expect crisp air, often accompanied by a refreshing sea breeze, making December a captivating time to explore the island's stunning vistas and unique charm.

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

The chart illustrates December temperature patterns in Vestmannaeyjar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec373839424549535349444038
Data source: Temperature data for Vestmannaeyjar generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Vestmannaeyjar

December in Vestmannaeyjar sees a notable increase in precipitation, with a total of 189 mm (7.5 in) recorded over 19 days. As the year draws to a close, the island experiences a surge in rainfall, reflecting a trend observed through the fall months where September and October also recorded high precipitation levels. This winter month sits just below the wetter February, which typically receives the highest average rainfall. Comparatively, December's precipitation is higher than in the preceding months of May through November, highlighting a shift toward more intense winter conditions. The frequent rainy days during December further enrich the landscape, feeding the lush greenery that characterizes this unique island even in the heart of winter.

December Precipitation Trends in Vestmannaeyjar

The chart displays monthly precipitation patterns in Vestmannaeyjar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec177212165161143105109117220152172189
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Vestmannaeyjar

December in Vestmannaeyjar, Iceland, wraps up the year with a humidity level of 84%, maintaining a consistent trend observed in recent months. As the colder season approaches, humidity levels show only slight variations, with values hovering between 81% and 88% from April through November. Notably, the summer months of July and August peak with 86% and 87% humidity, reflecting the region's tendency to be moist, even during the warmer season. As winter descends, the humidity remains high, marking December as a month where the crisp air is laden with moisture, painting a picturesque yet brisk landscape typical of Iceland's unique climate.

December Average Humidity in Vestmannaeyjar

This chart illustrates the average monthly humidity levels in Vestmannaeyjar, 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%82%85%81%83%82%86%87%87%88%85%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Vestmannaeyjar

In December, Vestmannaeyjar experiences a UV Index of 1, indicating a low exposure category and a burn time of 45 minutes. This trend of minimal UV radiation continues from the autumn months, where outdoor sun safety remains a low priority. As we traverse through the year, a marked increase in UV levels is notable from late winter into early summer, peaking in June and July at a 6, when sun protection becomes vital. Gradually tapering off in the fall, the UV Index returns to a more favorable level during the cooler months. For a detailed insight into UV exposure throughout the year, visit the Vestmannaeyjar UV Index.

Maximum UV Index Levels in Vestmannaeyjar for December

The chart shows the monthly maximum UV Index (UVI) for Vestmannaeyjar 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.
JanFebMarAprMayJunJulAugSepOctNovDec112356643211
Data source: Vestmannaeyjar 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 Vestmannaeyjar

In the enchanting archipelago of Vestmannaeyjar, December brings a stark contrast to the sun-drenched months preceding it. While June shines brightly with an impressive 324 hours of daylight, December languishes with only 35 hours of sunshine, marking the year's lowest point. This sharp decline highlights a broader trend throughout the autumn and winter months, where daylight diminishes significantly, with November offering only 81 hours before the deep winter sets in. However, the gradual increase in daylight that starts again in January, where sunny hours jump to 43, signals the island’s resilient cycle of light and darkness, a beautiful reminder of the changing seasons in this unique corner of Iceland.

Monthly Sunshine Duration in Vestmannaeyjar: December Highlighted

The December sunshine duration represents the total number of hours Vestmannaeyjar 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.
JanFebMarAprMayJunJulAugSepOctNovDec43h90h182h205h304h324h293h291h198h142h81h35h
Data source: Vestmannaeyjar December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vestmannaeyjar During December

In Vestmannaeyjar, Iceland, December brings a modest chance of sunny weather, with about 21% likelihood of clear skies. This marks a slight dip compared to the previous months, particularly when we consider the relative highs of late spring and early summer, where sunshine chances peak at 41% in May. As winter settles in, the sun tends to shy away, with December's prospects mirroring the somewhat cloudy conditions of late autumn months like November, which records 25% sunlight. However, it's noteworthy that even in the depths of winter, there’s still a flicker of hope for sunny days amidst the prevailing gloom, reminding locals and visitors alike that the beauty of Iceland is often found just beyond the clouds.

Percentage of Sunny Days in December in Vestmannaeyjar

The chart illustrates the percentage of sunny days in Vestmannaeyjar 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 Vestmannaeyjar experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%17%20%28%41%19%15%15%16%24%26%21%
Data source: Vestmannaeyjar December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vestmannaeyjar in December

In Vestmannaeyjar, Iceland, daylight duration follows a striking seasonal pattern, peaking in the bright summer months and waning as winter approaches. Beginning the year with a mere 5 hours of daylight in January, the island experiences a gradual increase, reaching 20 hours of sunlight in June. As summer gives way to autumn, daylight diminishes, dropping to 4 hours by December. This sharp decline underscores the dramatic contrast between the long, sunlit days of summer and the stark, wintry nights of December, creating a beautiful yet challenging rhythm of light that defines life in this unique archipelago.

Average Daylight Hours in Vestmannaeyjar for December

The chart illustrates the variation in daylight duration in Vestmannaeyjar throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec5h 46m8h 40m11h 50m15h 4m18h 14m20h 20m19h 8m16h 5m12h 54m9h 43m6h 38m4h 40m
Data source: Vestmannaeyjar daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Vestmannaeyjar

In December, the wind in Vestmannaeyjar, Iceland settles into a brisk rhythm, with an average speed of 6.4 m/s (14 mph). This month reflects a dynamic trend that unfolds throughout the year; after peaking in February at 7.9 m/s (18 mph), wind speeds gradually decrease during the warmer months. May through July experiences a lull, with gentle breezes averaging around 4.4 m/s (10 mph), perfect for summer adventures. However, as autumn arrives, winds pick up again, culminating in November’s rise to 7.0 m/s (16 mph). In the wintry close of the year, December maintains a steady strength, hinting at the island’s rugged charm while continuing the narrative of Iceland’s ever-changing weather.

Average December Wind Speed in Vestmannaeyjar

The chart displays monthly wind speed patterns in Vestmannaeyjar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.87.95.65.84.45.24.44.45.96.37.06.4 m/s
Data source: Vestmannaeyjar December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Vestmannaeyjar Compares to Other Months

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

December and January present similar weather patterns, but with a few notable differences. December experiences slightly milder average temperatures, ranging from a minimum of -4°C (26°F) to a maximum of 10°C (50°F), while January is a tad cooler, with a minimum of -5°C (22°F) and an average of 3°C (38°F). Precipitation levels are also close, with December seeing 189 mm (7.5 in) over 19 days compared to January's 177 mm (7.0 in) over 17 days. Humidity remains consistent at 84% for both months, making the overall feel rather crisp and damp. For more detailed insights into the weather conditions in January, you can refer to Vestmannaeyjar weather in January.

In December, the weather features milder temperatures, with an average of 4°C (39°F) and a maximum of 10°C (50°F), compared to February’s slightly cooler average of 3°C (38°F). December sees a minimum temperature of -4°C (26°F), while February dips to -8°C (17°F). Precipitation is more frequent in February, with 212 mm (8.3 in) falling over 22 days, compared to 189 mm (7.5 in) over 19 days in December. Both months experience high humidity levels, though February is slightly less humid at 82%, while December stands at 84%. For a more detailed look at February weather in Vestmannaeyjar, visit Vestmannaeyjar weather in February.

When comparing December and March weather, we see striking similarities yet notable differences. Both months have an average temperature of 4°C (39°F), with maximums reaching 10°C (50°F). However, December tends to be slightly milder at night, with a minimum temperature of -4°C (26°F), compared to March's chillier -6°C (21°F). In terms of precipitation, December is wetter, receiving 189 mm (7.5 in) over 19 days, while March has 165 mm (6.5 in) across 21 days. Humidity levels are also quite close, with December at 84% and March at 85%. For more detailed insights on the weather in March, you can check out the following link: Vestmannaeyjar weather in March.

In December, the weather tends to be chillier with temperatures ranging from a minimum of -4°C (26°F) to an average of 4°C (39°F), peaking at 10°C (50°F). The month is also marked by significant precipitation, with 189 mm (7.5 in) falling over 19 days, contributing to a high humidity level of 84%. In contrast, April experiences slightly milder temperatures, with a minimum of -7°C (20°F) and a maximum reaching 11°C (52°F), while the average temperature stands at 5°C (42°F). Although April sees less precipitation at 161 mm (6.3 in) over the same number of days, humidity remains relatively high at 81%. For more specifics on April weather, you can check out Vestmannaeyjar weather in April.

In comparing the weather between December and May, we see notable differences in temperature and precipitation patterns. December is significantly colder, with average temperatures ranging from a minimum of -4°C (26°F) to a maximum of 10°C (50°F), while May offers a milder climate with temperatures from 1°C (34°F) to 13°C (55°F). Although both months see a similar number of precipitation days—19 each—December experiences more rainfall, totaling 189 mm (7.5 in) compared to May's 143 mm (5.6 in). Humidity levels are fairly close in both months, with December at 84% and May slightly lower at 83%. For a more detailed look at the weather conditions during May, you can visit Vestmannaeyjar weather in May.

December and June present quite contrasting weather conditions. In December, temperatures can drop as low as -4°C (26°F), with an average of 4°C (39°F) and a maximum of 10°C (50°F). This month experiences significant precipitation, totaling 189 mm (7.5 in) over 19 days, contributing to a high humidity level of 84%. In contrast, June offers milder conditions with a minimum temperature of 5°C (41°F), an average of 10°C (50°F), and a maximum of 16°C (62°F). Precipitation in June is also considerably lower, at 105 mm (4.1 in) over 16 days, with humidity slightly decreased at 82%. For more specific details, you can check out Vestmannaeyjar weather in June.

December and July present contrasting weather patterns, showcasing the breadth of seasonal variation. In December, temperatures range from a chilly -4°C (26°F) at night to a mild 10°C (50°F) during the day, with an average of 4°C (39°F). The month experiences considerable precipitation, totalling 189 mm (7.5 in) across 19 days, and high humidity at 84%. In contrast, July boasts a more temperate climate, with nighttime lows of 7°C (45°F) and daytime highs reaching 18°C (65°F), averaging 12°C (53°F). Precipitation is less frequent in July, accumulating to 109 mm (4.3 in) over 17 days, and the humidity remains comparable at 86%. For a closer look at how summer weather unfolds, you can explore Vestmannaeyjar weather in July.

December and August exhibit markedly different weather patterns. In December, temperatures can be quite chilly, with a minimum of -4°C (26°F) and an average of 4°C (39°F), reaching a maximum of 10°C (50°F). This month experiences significant precipitation, totaling 189 mm (7.5 in) over 19 days, contributing to a high humidity level of 84%. In contrast, August features milder temperatures, with a minimum of 7°C (45°F), an average of 12°C (53°F), and a maximum of 16°C (62°F). The overall precipitation is less, at 117 mm (4.6 in) across 14 days, and humidity remains slightly high at 87%. For a closer look at August weather specifics, check out Vestmannaeyjar weather in August.

In December, the weather is considerably colder, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 10°C (50°F) and an average of 4°C (39°F). This month sees a significant amount of precipitation, totaling 189 mm (7.5 in) over approximately 19 days, coupled with high humidity levels of around 84%. In contrast, September experiences milder conditions, where temperatures range from a minimum of 2°C (36°F) to a maximum of 14°C (58°F), with an average of 10°C (50°F). Although it receives slightly more precipitation at 220 mm (8.7 in) across 22 days, the humidity is marginally higher at 87%. For a more detailed look at September weather, you can visit Vestmannaeyjar weather in September.

The weather in December is generally colder and wetter compared to October. While December's average temperature sits at 4°C (39°F), peaking at 10°C (50°F), October is slightly warmer with an average of 7°C (45°F) and a maximum of 12°C (54°F). In terms of precipitation, December sees more rainfall, accumulating 189 mm (7.5 in) over 19 days, whereas October experiences 152 mm (6.0 in) across 18 days. Additionally, December has a humidity level of 84%, slightly lower than October's 88%, making both months quite damp. For more details, check out Vestmannaeyjar weather in October.

In comparing the weather of December to November, both months experience similar temperature ranges, with December’s minimum and average temperatures mirroring those of November, though December tends to have slightly lower maximum temperatures. Precipitation increases in December, totaling 189 mm over 19 days, compared to 172 mm over 17 days in November, indicating that December is generally wetter. Humidity remains quite high in both months, slightly decreasing from November’s 85% to December’s 84%. For more specific information about November weather patterns, you can check out Vestmannaeyjar weather in November.

Compare Vestmannaeyjar's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Vestmannaeyjar

As December blankets Vestmannaeyjar with its cool embrace, the weather marks a significant shift from the milder autumn conditions. With an average temperature hovering around 4°C, the chilly air is punctuated by occasional drops to below freezing, creating a landscape that can be both picturesque and brisk. This month is characterized by higher humidity levels and frequent precipitation, with nearly two-thirds of the days seeing rain or snow. Such conditions are a stark contrast to the drier autumn months, making December a time of transformation in this stunning archipelago. For a deeper dive into the seasonal shifts and patterns, explore the detailed Vestmannaeyjar Climate.