Last updated: August 27, 2025
In December, Rjukan, Norway, presents a chilly climate with temperatures that range from a maximum of 5°C (42°F) to a biting minimum of -22°C (-8°F), averaging around -6°C (22°F). The month is characterized by significant precipitation, accumulating about 119 mm (4.7 in) over 18 days, creating a winter wonderland backdrop. With humidity levels soaring at 92%, visitors can expect a crisp, damp atmosphere that enhances the enchanting scenery of this stunning region. Whether you're a fan of winter activities or simply admire the beauty of Rjukan during this frosty time, December offers a unique experience steeped in natural charm.
In December, Rjukan, Norway embraces the heart of winter, where temperatures take a notable dip as they transition from the previous month. With a minimum of -22°C (-8°F) and an average of -6°C (22°F), the chill deepens, yet daytime highs still reach a brisk 5°C (42°F). This month marks a continuation of the cold trend established in November, where arctic air masses set the stage for a picturesque snowy landscape. As Rjukan welcomes the holiday season, the frosty temperatures create a magical atmosphere, perfect for winter sports and cozy gatherings, while reminding visitors of the true essence of Norwegian winter.
In December, Rjukan, Norway, experiences an increase in precipitation as it heads into winter, with a notable 119 mm (4.7 in) of rain falling over 18 days. This marks a slight rise from November's 112 mm and sets the stage for the snowy months ahead. The trend showcases how precipitation typically peaks in the autumn, with December benefiting from lingering moisture. The combination of longer wet days and accumulating rain underscores the transition into a colder climate, making December a pivotal month for both water accumulation and the onset of winter weather.
In December, Rjukan, Norway, experiences a consistent high humidity level, mirroring the earlier months of November and October at 92%. This persistent moisture in the air reflects a trend observed throughout the winter months, where humidity remains elevated, peaking at 93% in January. As the year transitions into spring, a gradual decline in humidity becomes apparent, with the air feeling notably drier by May, when humidity drops to 75%. This shift not only indicates the changing seasons but also enhances Rjukan's picturesque winter landscapes, where the cold, damp air often blankets the town in a serene layer of frost.
As December rolls into Rjukan, Norway, the UV Index remains at a low level of 1, mirroring the minimal sun exposure experienced in the winter months. With a burn time of 45 minutes, residents and visitors can comfortably enjoy the outdoors without the immediate risk of sunburn. This trend of low UV levels persists from November through January, providing a stark contrast to the high indices observed during the summer months, where UV Index readings peaked at 7 in July and June. As winter takes hold, the need for sun protection diminishes significantly, making December an ideal time for winter sports and other outdoor activities without the worry of severe UV exposure. For more detailed information on UV levels throughout the year, check the Rjukan UV Index.
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As winter descends upon Rjukan, Norway, December often brings a stark contrast to the previous months, with only 69 hours of sunshine. This decline in daylight is part of a larger trend, where the year starts with limited sunlight in January, gradually building to an impressive 451 hours in July. Following this peak, the hours begin to taper off as autumn sets in, with November providing just 115 hours before entering the darkest month. Despite the limited sunshine in December, the beautiful snow-covered landscape reflects what little light there is, creating a captivating winter wonderland. Embracing the charm of the season, the locals find joy in the crisp air and the fleeting moments of sunlight, reminding us that even in the darkest months, there is beauty to be found.
In Rjukan, Norway, December brings a moderate chance of sunny weather, with about 28% likelihood of sunshine. As the year progresses into winter, the chances of a sunny day decrease, notably from the sunnier months of April and May, which boast over 50% sunshine. This decline is consistent as we move through the fall months, culminating in December, where the sun's appearance is somewhat rare. Compared to other winter months, however, December holds its own with a better probability of sunshine than both January and February, which hover around 37% and 34%, respectively. While not a guarantee for a sun-drenched holiday season, December in Rjukan offers a faint hope for those looking to bask in the winter sunlight.
In Rjukan, Norway, the daylight duration paints a compelling picture of the changing seasons throughout the year. Starting from a brief 6 hours in January, the days gradually lengthen, reaching a vibrant peak of 18 hours in June. As summer wanes, sunlight begins to recede, with 17 hours still brightening July before tapering off to 15 hours in August. The transition into autumn ushers in shorter days, culminating in a return to December's dim 6 hours of daylight. This cyclical pattern highlights the dramatic shifts in light that characterize life in this picturesque town, emphasizing the stark contrasts between the long summer days and the brief winter moments.
In Rjukan, Norway, December ushers in a mild average wind speed of 2.8 m/s (6 mph), signalling a slight decline from the more brisk winds of earlier months. As the year progresses, wind speeds generally trend upward from the calmness of winter's start, peaking in October at 3.4 m/s (8 mph) before easing into the calmer December air. This gentle winter wind, reminiscent of the shifts seen from spring's 3.3 m/s (7 mph) peak in March to the transition into December, creates a serene atmosphere, perfect for cozying up and enjoying the snowy landscapes. Overall, December often reflects the more tranquil side of Rjukan’s vibrant weather patterns, inviting both residents and visitors to appreciate the crisp, cool air as the year draws to a close.
Weather in Rjukan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rjukan, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January in Rjukan exhibit similar average temperatures, with both months averaging around -6°C (22°F). However, January tends to be slightly colder, with minimum temperatures dropping to -25°C (-13°F) compared to -22°C (-8°F) in December. Additionally, January experiences less precipitation, recording 68 mm (2.7 in) over 11 days, while December sees a higher total of 119 mm (4.7 in) across 18 days. Humidity remains fairly consistent, rising slightly from 92% in December to 93% in January. For more detailed information about January weather, you can check Rjukan weather in January.
In comparing the weather between December and February, December tends to be slightly milder, with average temperatures around -6°C (22°F) compared to February's -7°C (20°F). December also sees a higher frequency of precipitation, with 119 mm (4.7 in) over 18 days, while February experiences only 73 mm (2.9 in) across 13 days. Humidity levels are relatively similar, with December at 92% and February at 91%. Overall, February records colder minimum temperatures, dipping down to -25°C (-13°F) compared to December's lowest of -22°C (-8°F). For more detailed insights, you can check out the Rjukan weather in February.
In December, the weather is characterized by frigid temperatures, with averages around -6°C (22°F) and maximums reaching only 5°C (42°F). The month brings significant precipitation, totaling 119 mm (4.7 in) over 18 days, accompanied by high humidity at 92%. In contrast, March sees a slight warming trend, with average temperatures rising to -4°C (24°F) and maximums reaching up to 12°C (53°F). While March is still cold, it experiences less precipitation at 75 mm (2.9 in) over 13 days and slightly lower humidity at 88%. For a closer look at the weather specifics during March, you can visit Rjukan weather in March.
December and April present striking contrasts in weather. December experiences frigid temperatures, with lows averaging around -22°C (-8°F) and a maximum of only 5°C (42°F), while April shows a notable rise with temperatures ranging from a minimum of -19°C (-2°F) to a pleasant maximum of 15°C (59°F). Precipitation is more substantial in December, with 119 mm (4.7 in) over 18 days compared to just 51 mm (2.0 in) over 8 days in April. Additionally, December's high humidity of 92% gives it a colder feel, while April’s 83% humidity, although still significant, contributes to a milder climate. For more details on April weather, please refer to Rjukan weather in April.
In December, the weather is characterized by frigid temperatures, with a minimum of -22°C (-8°F) and an average of -6°C (22°F), while the maximum reaches only 5°C (42°F). This month experiences significant precipitation, totaling 119 mm (4.7 in) over 18 days, accompanied by high humidity at 92%. In contrast, May brings milder conditions, with temperatures ranging from a minimum of -14°C (7°F) to an average of 5°C (40°F), peaking at a pleasant 21°C (70°F). Precipitation decreases to 88 mm (3.5 in) over 12 days and humidity falls to 75%, making May a more comfortable and drier month. For a closer look at the weather nuances in May, you can check Rjukan weather in May.
December and June present starkly contrasting weather patterns. In December, temperatures can plummet to a chilling minimum of -22°C (-8°F), with an average around -6°C (22°F) and a maximum of only 5°C (42°F). The month is characterized by high humidity at 92% and substantial precipitation totaling 119 mm (4.7 in) over 18 days, contributing to a wintry atmosphere. In contrast, June experiences more moderate temperatures with a minimum of -1°C (30°F) and a pleasant average of 10°C (51°F), rising to a comfortable maximum of 23°C (74°F). Although precipitation is slightly higher at 126 mm (5.0 in), it falls over fewer days (14 days), and the humidity drops significantly to 74%. For a closer look at June weather specifics, you can refer to Rjukan weather in June. Overall, December is marked by cold and damp conditions, while June offers warmer and more variable weather.
The weather in December contrasts sharply with that of July, showcasing two distinct seasonal profiles. In December, temperatures plunge as low as -22°C (-8°F), with an average hovering around -6°C (22°F) and a maximum of 5°C (42°F). This cold month experiences significant precipitation, totaling 119 mm (4.7 in) over 18 days, coupled with high humidity at 92%. In stark contrast, July offers a much milder climate, with minimum temperatures of 0°C (33°F) and an average of 12°C (53°F), peaking at 25°C (77°F). While July sees slightly less precipitation at 114 mm (4.5 in) over 14 days, the humidity is notably lower at 74%. For a closer look at July's weather, you can check Rjukan weather in July.
December and August present strikingly different weather conditions. In December, temperatures plummet to a minimum of -22°C (-8°F) and hover around an average of -6°C (22°F), with a maximum reaching only 5°C (42°F). The month is characterized by high humidity at 92% and considerable precipitation, amounting to 119 mm (4.7 in) over 18 days. In contrast, August offers a much milder climate, with temperatures ranging from a minimum of -1°C (30°F) to a pleasant maximum of 22°C (72°F). During this month, the average temperature rises to 10°C (50°F) and precipitation is slightly lower at 113 mm (4.5 in) over 17 days, with a humidity level of 78%. For a more detailed understanding of August weather in Rjukan, visit Rjukan weather in August.
In December, the weather is significantly colder than in September, with temperatures ranging from a frigid minimum of -22°C (-8°F) to a maximum of just 5°C (42°F), compared to September's milder range of -3°C (27°F) to 21°C (69°F). While December experiences heavy precipitation with 119 mm (4.7 in) over 18 days, September is slightly wetter, averaging 134 mm (5.3 in) across 16 days, but with a much more comfortable temperature. Additionally, December's humidity is higher at 92%, compared to September's 86%, contributing to the winter's damp chill that contrasts sharply with September's cooler, but still pleasant, conditions. For more details on weather during this month, you can visit Rjukan weather in September.
In December, temperatures dip significantly lower than in October, with a minimum of -22°C (-8°F) compared to October's minimum of -15°C (6°F). The average temperature in December hovers around -6°C (22°F), while October sees a milder average of 2°C (35°F). Moreover, both months experience high humidity at 92%, but December has slightly less precipitation, with 119 mm (4.7 in) over 18 days, in contrast to October's 143 mm (5.6 in) across 19 days. For more details about October weather, you can visit Rjukan weather in October.
December weather presents a slight improvement over November, with average temperatures rising from -3°C (27°F) to -6°C (22°F). While both months experience high humidity at 92%, December typically sees less severe minimum temperatures, averaging -22°C (-8°F) compared to November's colder minimum of -26°C (-14°F). Precipitation levels are slightly higher in December, totaling 119 mm (4.7 in) across 18 days, compared to 112 mm (4.4 in) over 16 days in November. Overall, December tends to be a bit milder, making it a more hospitable time compared to the chillier November. For more detailed information, you can check Rjukan weather in November.
As December settles in Rjukan, the weather presents a striking contrast to the milder months preceding it. With high humidity levels and notable precipitation spread over nearly two-thirds of the month, the atmosphere carries a chill that sets the stage for a true winter experience. Temperatures plunge to a bone-chilling average of -6°C, accompanied by brisk highs that seldom surpass 5°C, making outdoor activities refreshing, yet brisk. While the snowy surroundings create a picturesque landscape, it's essential to prepare for the cold as fluctuations can dip as low as -22°C. This winter wonderland beckons those ready to embrace its frosty charm. For a deeper dive into Rjukan's seasonal weather patterns, check out Rjukan Climate.