Last updated: August 21, 2025
In December, Uummannaq, Greenland experiences a winter wonderland characterized by chilly temperatures and a serene atmosphere. The maximum temperature hovers around a brisk 3°C (38°F), while the average plummets to a frosty -8°C (18°F), reaching lows of -18°C (0°F) at times. This month sees 30 mm (1.2 in) of precipitation spread across nine days, contributing to the region's striking icy landscapes. With humidity levels at a high 88%, the air feels notably crisp, enhancing the enchanting beauty of Uummannaq during this magical winter month.
In December, Uummannaq, Greenland blankets itself in a crisp winter chill, with temperatures reaching a low of -18°C (0°F) and climbing to a modest high of 3°C (38°F). The average temperature hovers around -8°C (18°F), marking a subtle shift towards the milder conditions of the upcoming months. Notably, December's temperatures reflect a gradual warming trend compared to the harsher depths of December's earlier months, offering a hint of respite as the year draws to a close. This shift sets the stage for the gradual ascent into the spring season, where the climate slowly transitions from icy extremes to more temperate days, embodying the unique climate rhythm of this Arctic region.
December in Uummannaq, Greenland experiences a noteworthy average precipitation of 30 mm (1.2 in), marking a slight decline compared to the wetter months of summer. With precipitation occurring over 9 days, this month captures the essence of the transition into winter, as the landscapes are often cloaked in fluffy snow. Interestingly, December's rainfall aligns closely with the trends observed from October and November, which both showcase around 34 mm and 36 mm respectively. The progressive build-up of precipitation leading up to winter suggests that the region is preparing for the colder months ahead, but it still retains a touch of moisture as the year ends. Overall, December serves as a gentle reminder of both the vanishing warmth of fall and the imminent chill of winter, balancing between precipitation and snow.
In Uummannaq, Greenland, December sees humidity levels at 88%, marking a slight dip from the consistently high rates observed in the winter months. Following closely behind, January and March exhibit the peak humidity levels at 90% and 92%, respectively, creating a damp, frigid atmosphere typical of the region. Interestingly, the summer months display a trend towards lower humidity, with July reaching its lowest point of 84%, before the humidity levels begin to rise again in August. Overall, while December's numbers indicate a slight easing compared to the extreme winter figures, the coastal town remains enveloped in substantial moisture, reflective of its harsh, icy climate.
In Uummannaq, Greenland, the UV Index trends reveal a notable seasonal variation throughout the year. As the months progress, the index typically peaks during the warmer summer months, with June reaching a moderate UV Index of 5, while winter months like January and February remain firmly at a low index of 1. December stands out as the sun's rays dim further, registering a UV Index of 0, meaning minimal exposure risk. Throughout this cold month, residents and visitors alike enjoy a burn time of up to 45 minutes without significant risk, similar to the early winter months. These patterns emphasize the importance of adapting sun safety practices to the changing seasons in Uummannaq. For more detailed information, explore the Uummannaq UV Index.
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In Uummannaq, Greenland, the sun’s presence dramatically evolves throughout the year, culminating in a stark contrast by December, when sunlight fades to zero hours. The year begins with only 5 hours of daylight in January, but as winter gives way to spring, a gradual increase occurs, peaking in May with a dazzling 476 hours of sunshine. This abundance continues into the summer months, reaching 486 hours in June, before gradually tapering off as autumn sets in. By November, the hours drop to a mere 21, heralding the long polar nights. This cycle not only underscores the extreme variations in daylight but also highlights the remarkable resilience of life in this remote Arctic environment, where the sun plays a dramatic role in the rhythm of the seasons.
In Uummannaq, Greenland, the chance of sunny weather in December is a modest 26%, reflecting a notable decline from the warmer months when sunshine is more plentiful. In contrast to the brighter days of early summer, which peak at 52% in June, December's bleak offerings are reminiscent of the previous months leading into winter, with November seeing a particularly low 15%. This trend underscores the chill and darkness of the Arctic winter, making any sunny spell in December a delightful surprise rather than the norm. As the year progresses, residents and visitors alike may find themselves longing for the sun’s warmth, eagerly awaiting the gradual increase in daylight and sunshine as the seasons shift toward spring.
In Uummannaq, Greenland, December marks a dramatic shift into the polar night, where daylight completely disappears, leaving residents in darkness for the entire month. This transition highlights the stark contrast from the previous months, where daylight begins its gradual return starting in January with a mere 3 hours of light. As the year unfolds, daylight hours steadily increase, peaking in the summer months with endless days in June, offering 24 hours of sunlight. However, as autumn settles in, daylight diminishes sharply, plunging from 18 hours in August to just 4 hours in November before vanishing entirely in December. This rhythmic cycle of light and dark underscores the unique and mesmerizing experience of living above the Arctic Circle.
As December blankets Uummannaq, Greenland, the wind whispers its way into the heart of winter, with an average speed of 3.0 m/s (7 mph). This slight uptick in wind velocity marks a shift from the calmer breezes of the earlier months. Throughout the year, wind speeds in Uummannaq generally hover around 2.4 to 2.9 m/s, with November's winds tapering off to 2.3 m/s. December’s refreshing gusts herald a change, bridging the tranquil fall months to the more vigorous winds of winter, which often billow through the dramatic landscapes of Greenland. As the year concludes, the wind, a constant companion, begins to hum a livelier tune, setting the stage for the icy beauty that lies ahead.
Weather in Uummannaq varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Uummannaq, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather in Uummannaq is characterized by milder temperatures compared to January, with averages hovering around -8°C (18°F) and a maximum of 3°C (38°F). This month sees about 30 mm (1.2 in) of precipitation over 9 days and maintains a humidity level of 88%. In contrast, January experiences significantly colder temperatures, with an average of -14°C (7°F) and a notably low minimum of -26°C (-15°F). Although January has slightly less precipitation at 28 mm (1.1 in) over just 6 days, the humidity rises to 90%, contributing to the frigid feel of the month. For more detailed insights, check out Uummannaq weather in January.
December and February both bring chilly weather, but February is notably colder. In December, temperatures hover between -18°C (0°F) and a maximum of 3°C (38°F), with an average of -8°C (18°F). This month also sees approximately 30 mm of precipitation over 9 days, coupled with high humidity at 88%. In contrast, February experiences even lower temperatures, with a minimum of -29°C (-21°F) and an average of -17°C (2°F), reaching a maximum of only -6°C (22°F). Precipitation significantly decreases to 12 mm over just 3 days, and humidity remains slightly lower at 86%. For more details on the February weather, you can visit Uummannaq weather in February.
In December, Uummannaq experiences milder winter temperatures with an average of -8°C (18°F), while March brings even colder conditions, with an average temperature of -16°C (3°F) and a noticeable drop in minimum temperatures, reaching as low as -31°C (-23°F). December also sees slightly more precipitation, averaging 30 mm (1.2 in) over about 9 days, compared to March's 23 mm (0.9 in) across 6 days. Additionally, the humidity is a little higher in March at 92%, compared to 88% in December. For more details on March weather, you can check Uummannaq weather in March.
In December, the weather in Uummannaq features a chilling average temperature of -8°C (18°F), with minimums dropping to -18°C (0°F) and maximums only reaching 3°C (38°F). This month experiences about 30 mm (1.2 in) of precipitation over 9 days, accompanied by high humidity levels at 88%. In contrast, April's weather sees slightly warmer conditions with an average temperature of -9°C (17°F), minimums around -23°C (-9°F), and maximums climbing to 7°C (44°F). Although April's precipitation is similar, at 29 mm (1.2 in), it occurs over fewer days, only 7. Humidity remains fairly steady at 87%. For a more detailed look at April weather, check out Uummannaq weather in April.
When comparing the weather in December and May, it's evident that both months exhibit frigid temperatures, though May tends to be slightly warmer. December features a minimum temperature of -18°C (0°F) and an average of -8°C (18°F), whereas May has a minimum of -17°C (2°F) and an average temperature of -2°C (29°F). Additionally, December experiences a maximum of 3°C (38°F) compared to May's maximum of 10°C (51°F). Precipitation is more frequent in December, with about 30 mm (1.2 in) over 9 days, versus May's 20 mm (0.8 in) spread over just 4 days. Humidity levels remain high in both months, with December at 88% and May at 89%. For more details on May weather, check out Uummannaq weather in May.
In December, Uummannaq experiences frigid temperatures, with a minimum of -18°C (0°F) and an average of -8°C (18°F), peaking at just 3°C (38°F). This month sees considerable precipitation over about 9 days, along with high humidity levels at 88%. In contrast, June brings a much milder climate, with temperatures ranging from a minimum of -5°C (24°F) to an average of 4°C (39°F) and a maximum of 12°C (54°F). Precipitation is slightly lower at 27 mm (1.1 in), spread over 7 days, and humidity remains comparable at 86%. For a more detailed look at June's weather, you can check Uummannaq weather in June.
December and July present stark contrasts in weather conditions. In December, temperatures plunge to a minimum of -18°C (0°F), with an average of -8°C (18°F) and a maximum of just 3°C (38°F), while humidity remains high at 88%. Precipitation is relatively low, with 30 mm (1.2 in) falling over 9 days. In comparison, July experiences milder temperatures, with a minimum of -2°C (29°F), an average of 6°C (44°F), and a maximum of 16°C (61°F). This month sees slightly higher precipitation at 57 mm (2.3 in) over 10 days, and humidity levels are also lower at 84%. For more details on the weather in July, you can check Uummannaq weather in July.
December and August display stark contrasts in weather conditions. In December, temperatures can plunge as low as -18°C (0°F), with an average of -8°C (18°F) and a maximum of just 3°C (38°F). This frigid month sees around 30 mm (1.2 in) of precipitation over 9 days, accompanied by high humidity at 88%. In contrast, August experiences milder temperatures, ranging from a minimum of -2°C (29°F) to an average of 6°C (43°F) and a maximum of 16°C (62°F). Precipitation is slightly more abundant at 37 mm (1.4 in), with rain occurring over 7 days, and humidity remains relatively high at 91%. For more details on August weather, you can visit the link: Uummannaq weather in August.
In December, the weather in Uummannaq takes a distinct turn towards colder temperatures, with minimums plummeting to -18°C (0°F) and average temperatures hovering around -8°C (18°F). In contrast, September offers a milder climate, with a minimum temperature of -8°C (17°F) and an average of 0°C (32°F). Both months experience similar levels of precipitation, with December receiving 30 mm (1.2 in) over about nine days, while September sees 31 mm (1.2 in) over approximately eight days. Humidity remains high in both months, at 88% in December compared to 87% in September. For more detailed information, you can visit Uummannaq weather in September.
In comparing the weather between December and October, December tends to be slightly colder. The average temperature in December is -8°C (18°F), with minimums dipping to -18°C (0°F), while October has an average of -4°C (25°F) and a minimum of -14°C (7°F). Precipitation levels are similar, with December receiving 30 mm (1.2 in) over 9 days and October slightly higher at 34 mm (1.3 in) over 8 days. Humidity remains high in both months, with December at 88% and October at 90%. For more specific details on October weather, you can visit Uummannaq weather in October.
In December, the weather is slightly colder than in November, with average temperatures ranging from a minimum of -18°C (0°F) to a maximum of 3°C (38°F), compared to November's range of -16°C (4°F) to 5°C (41°F). Despite December having a lower average temperature, it experiences marginally less precipitation, with 30 mm (1.2 in) over 9 days compared to November's 36 mm (1.4 in) on 10 days. Humidity remains high in both months, with December at 88% and November at 90%. For a closer look at November's specific weather patterns, you can check out Uummannaq weather in November.
As December blankets Uummannaq in winter's embrace, the town experiences a notable shift in weather conditions compared to other months. With temperatures plunging to an average of -8°C (18°F), the chilliness is profound, accentuated by high humidity levels of 88%. While the precipitation, totaling 30 mm (1.2 in), occurs over nine days, it contrasts sharply with the drier summer months, creating a distinct atmosphere marked by snowy landscapes and frosty air. This month truly highlights the harsh yet beautiful character of Uummannaq's winter climate. For more details on Uummannaq's year-round weather patterns, visit Uummannaq Climate.