Last updated: August 21, 2025
In December, Sisimiut, Greenland experiences a dramatic winter climate characterized by a maximum temperature of 5°C (41°F) and an average that plummets to around -7°C (19°F). The cold intensifies with minimum temperatures dipping to -16°C (4°F), creating a frigid atmosphere. This month also sees considerable precipitation, totaling 70 mm (2.8 in), spread across 14 days, contributing to the snowy landscape. With a notable humidity level of 90%, the winter air feels chillier, accentuating the region's serene, frosty beauty during this enchanting time of year.
In December, temperatures in Sisimiut, Greenland begin to reflect the depths of winter, with minima reaching around -16°C (4°F) and average highs only nudging up to 5°C (41°F). As the year winds down, the average temperature sits at a brisk -7°C (19°F), establishing the cold trend that characterizes the region during this time. The month stands in sharp contrast to the milder conditions of the summer, with temperatures gradually dropping from the highs experienced earlier in the year. With the onset of December, nights grow longer and a chill fills the air, welcoming a landscape that is both stark and beautiful, perfect for embracing the unique Arctic charm of Sisimiut.
December in Sisimiut, Greenland, showcases a significant shift in precipitation patterns as winter takes hold. With 70 mm (2.8 in) of precipitation spread over 14 days, December emerges as a month of notable moisture, just slightly below the levels seen in the preceding months of October and November, both at 75 mm. This time of year sees a marked increase in precipitation days, matching November’s total, and signaling the onset of more persistent winter weather. Interestingly, while January to November exhibits varied precipitation, December's stability hints at a transition into the winter months, where snow becomes a more dominant form of precipitation, enriching the landscape under a blanket of white.
In December, Sisimiut, Greenland experiences a notable humidity level of 90%, marking a slight rise from the previous month. This increase continues the trend seen throughout the winter months, as humidity remains consistently high from January through April, hovering around the mid-nineties. Following this period, humidity begins to dip slightly, with May and June showcasing more moderate levels. However, as winter re-emerges, humidity inches back up, peaking in December. This cyclical pattern illustrates the inherent maritime climate of Sisimiut, where winter months tend to retain higher moisture levels, contributing to the unique weather dynamics of this captivating Arctic region.
In December, Sisimiut experiences a low UV Index of 1, continuing the trend established since November. This means that sun exposure remains minimal, allowing residents and visitors to enjoy the scenic winter landscape without the worry of sunburn, with an average burn time of 45 minutes. The UV levels typically escalate as the year progresses, peaking in the summer months of June and July at an Index of 6 and 5, respectively. As winter sets in, however, UV exposure diminishes significantly, providing a safe environment for outdoor activities during the shorter daylight hours. For more detailed information on UV levels throughout the year, visit Sisimiut UV Index.
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In Sisimiut, Greenland, the sunlight dances through the seasons, offering a fascinating glimpse into the Arctic's unique rhythm. As December arrives, the daylight takes a dramatic dip, with only 1 hour of sunshine gracing the day, contrasting sharply with the 19 hours in January that follow it. The sun begins its ascent in February, recovering to 124 hours as it teases the promise of spring. By March and April, the days stretch significantly, reaching 208 and 287 hours respectively, showcasing a remarkable transition into longer sunlit hours. The peak comes in May, with 356 hours basking the land in golden light, before gradually curtailing again during the vibrant summer months. As summer fades into autumn, sunlight diminishes, culminating in 41 hours of brightness in November. This ebb and flow of daylight not only illustrates the Arctic's stunning seasonal contrasts but also encapsulates the beauty of life in Sisimiut, where each hour of sun is cherished in the midst of its stark landscape.
In December, Sisimiut, Greenland, experiences a 24% chance of sunny weather, reflecting a modest likelihood that differs from the brighter days of the preceding autumn. As we move from fall into winter, the chances of sun generally fluctuate, peaking at 57% in September before gradually tapering off. Notably, December's sun is outshone by the sunnier months of February and July, where the probabilities rise to 41% and 35%, respectively. This trend highlights the long, dark winter ahead, making those rare glimpses of sunlight all the more precious as the tranquil Arctic landscape transforms under the snow.
In December, Sisimiut, Greenland, experiences a notable increase in daylight, with about 18 hours of sunlight as the winter month unfolds. This is a striking contrast to the dim days of November, where daylight dwindles to just 5 hours. Following the gradual ascent from a mere 6 hours in January, December's extended daylight hints at the promise of the coming months. As the year progresses, daylight duration peaks dramatically in June at an almost surreal 23 hours, before tapering back down through the summer months. This rhythmic pattern showcases the stark realities of life in the Arctic, where the long summer days transition sharply into the brief and hauntingly beautiful winter glow, allowing residents to embrace the unique beauty of their environment throughout the changing seasons.
In December, Sisimiut experiences a noticeable uptick in wind speeds, averaging 4.8 m/s (about 11 mph), making it the windiest month of the year. This increase subtly reflects a seasonal trend where wind speeds generally peak toward the year's end after a gradual rise throughout the fall. From the low of 3.3 m/s in May to the steady flow of 4.3 m/s in November, it's evident that as winter approaches, the winds gain strength, bringing a brisk chill to the air. Coupled with the stunning winter landscape, December's winds create a dynamic and spirited atmosphere, embodying the robust character of Greenland's natural environment.
Weather in Sisimiut varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sisimiut, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of December and January, January tends to be colder, with average temperatures dropping to -12°C (11°F) compared to December's average of -7°C (19°F). The minimum temperature in January hits a chilling -23°C (-8°F), while December's minimum is milder at -16°C (4°F). Precipitation decreases in January to 49 mm (1.9 in) over 12 days, compared to December's 70 mm (2.8 in) over 14 days. Humidity levels also rise slightly in January, reaching 96%, compared to December's 90%. For a more detailed look at January's weather, visit Sisimiut weather in January.
December and February showcase starkly contrasting weather conditions. In December, temperatures range from a minimum of -16°C (4°F) to a maximum of 5°C (41°F), with an average of -7°C (19°F). The month experiences considerable precipitation of 70 mm (2.8 in) over 14 days, coupled with a humidity level of 90%. In contrast, February presents a harsher winter scenario, with temperatures plunging to a minimum of -30°C (-21°F) and an average of -17°C (2°F), peaking at just -3°C (27°F). Precipitation significantly decreases to 19 mm (0.8 in) over only 5 days, and humidity rises to 93%. For more on the February weather specifics, you can explore Sisimiut weather in February.
In December, the weather features milder temperatures with a minimum of -16°C (4°F) and an average of -7°C (19°F), reaching a maximum of 5°C (41°F). The month sees a decent amount of precipitation, totaling 70 mm (2.8 in) over about 14 days, coupled with high humidity at 90%. In contrast, March experiences colder conditions, with temperatures dropping to a minimum of -26°C (-15°F) and an average of -13°C (8°F), peaking at 0°C (32°F). Precipitation decreases to 44 mm (1.8 in) over 10 days, and humidity slightly rises to 94%. For a detailed look at March weather, you can explore Sisimiut weather in March.
In December, temperatures range from a chilly minimum of -16°C (4°F) to a maximum of 5°C (41°F), with an average temperature of -7°C (19°F). This month experiences about 70 mm (2.8 in) of precipitation over 14 days, combined with a high humidity level of 90%. In contrast, April sees only slightly colder minimum temperatures at -20°C (-3°F) and maintains a maximum similar to December at 5°C (42°F), with an average temperature of -6°C (21°F). Additionally, April has reduced precipitation at 51 mm (2.0 in) across 10 days and a humidity level of 89%. For more detailed information, check Sisimiut weather in April.
In December, the weather is quite frigid, with temperatures typically ranging from a minimum of -16°C (4°F) to a maximum of 5°C (41°F) and an average of -7°C (19°F). This month experiences significant precipitation, averaging 70 mm (2.8 in) over about 14 days, while the humidity remains high at 90%. In contrast, May offers a noticeable warming trend, with temperatures ranging from a minimum of -11°C (12°F) to a maximum of 9°C (48°F), and an average of -1°C (31°F). Precipitation during May is much lighter, with just 21 mm (0.8 in) over approximately 4 days, and humidity slightly lower at 87%. For those interested in more details about May weather in Sisimiut, you can check out Sisimiut weather in May.
December and June showcase markedly different weather conditions. In December, temperatures can plunge as low as -16°C (4°F), with an average of -7°C (19°F) and a maximum reaching just 5°C (41°F). The month sees significant precipitation, totaling 70 mm (2.8 in) over approximately 14 days, with high humidity levels around 90%. In contrast, June offers a milder climate with minimum temperatures of -2°C (28°F), an average of 3°C (38°F), and a maximum of 12°C (54°F). Precipitation is also lower, at 35 mm (1.4 in) over about 9 days, and humidity is slightly reduced at 82%. For more details on June's weather in Sisimiut, you can visit Sisimiut weather in June.
December and July present strikingly different weather conditions in Sisimiut. In December, temperatures can plummet as low as -16°C (4°F), with an average of -7°C (19°F) and a maximum of 5°C (41°F). The month sees significant precipitation, totaling 70 mm (2.8 in) over approximately 14 days, paired with a high humidity level of 90%. In contrast, July offers a milder climate, with temperatures ranging from a minimum of -1°C (31°F) to an average of 6°C (43°F) and a maximum of 14°C (57°F). Though July receives slightly more precipitation at 80 mm (3.2 in), it does so over fewer days (11), and the humidity is relatively lower at 81%. The stark contrast in temperature and humidity between these two months highlights the diversity of Sisimiut's climate. For more details, you can check out Sisimiut weather in July.
December and August present contrasting weather conditions, reflecting the stark seasonal differences. In December, temperatures can plunge to a minimum of -16°C (4°F), with an average of -7°C (19°F) and a maximum of just 5°C (41°F). The month is characterized by high humidity at 90% and notable precipitation, receiving about 70 mm (2.8 in) over 14 days. In contrast, August offers milder temperatures, ranging from a minimum of 2°C (35°F) to an average of 7°C (44°F) and a maximum of 13°C (56°F). The precipitation in August is slightly less, totaling 66 mm (2.6 in) over 11 days, with humidity remaining at a similar level of 89%. For more detailed insights into August weather, visit Sisimiut weather in August.
When comparing the weather in December and September, it's clear that December is significantly colder. In December, temperatures can plummet to a minimum of -16°C (4°F), with an average of -7°C (19°F) and a maximum of only 5°C (41°F). In contrast, September experiences milder temperatures, ranging from a minimum of -4°C (25°F) to a maximum of 9°C (49°F). Precipitation is more frequent in December, with about 70 mm (2.8 in) falling over 14 days, compared to September's 53 mm (2.1 in) over 10 days. Additionally, humidity is higher in December at 90% versus 85% in September, contributing to the wintery feel of the month. For more detailed insights, you can visit Sisimiut weather in September.
In comparing December and October weather, December tends to be colder, with average temperatures ranging from a minimum of -16°C (4°F) to a maximum of 5°C (41°F), while October has slightly milder averages, with minimums of -12°C (11°F) and maximums of 7°C (44°F). Precipitation levels in both months are similar, with December receiving about 70 mm (2.8 in) over 14 days and October slightly higher at 75 mm (2.9 in) over 11 days. Humidity levels also show a modest increase in December at 90%, compared to 86% in October. For more detailed insights, you can explore Sisimiut weather in October.
In comparing the weather between November and December, both months exhibit frigid temperatures, but December tends to be slightly colder. The minimum temperature in December dips to -16°C (4°F), compared to November's -15°C (5°F). The average temperature also reflects this chill, with December averaging -7°C (19°F), slightly lower than November's -6°C (22°F). Precipitation remains fairly consistent, with December recording 70 mm (2.8 in) over 14 days and November slightly higher at 75 mm (3.0 in) over the same number of days. Humidity levels are fairly similar as well, with December at 90% and November at 89%. For a more detailed comparison, you can check out Sisimiut weather in November.
As December settles over Sisimiut, the weather takes a notable turn, ushering in a chill that sets it apart from the milder months of the year. With a maximum temperature that barely reaches 5°C, and an average dropping to a crisp -7°C, residents and visitors alike must brace for the bracing cold characteristic of this winter month. Precipitation comes in the form of snow and rain, accumulating to about 70 mm over roughly half the days, while the high humidity level of 90% can make the cold feel even more penetrating. This unique combination of temperatures and weather patterns makes December a distinctly frosty period in Sisimiut, differing sharply from the more temperate months that precede it. To learn more about the overall climate in this arctic town, check out the detailed insights at Sisimiut Climate.