Last updated: August 27, 2025
December in Arosa, Switzerland brings a serene winter atmosphere, characterized by temperatures that can range from a chilly minimum of -27°C (-17°F) to a maximum of just 4°C (40°F). The average temperature hovers around a frosty -7°C (19°F), creating the perfect backdrop for winter sports enthusiasts. Visitors can expect an average precipitation amount of 129 mm (5.1 in) over 16 days of the month, contributing to the region's picturesque snowy landscapes. The humidity levels remain high at 90%, adding to the crisp, refreshing feel of the alpine air. Whether you’re seeking adventure on the slopes or a cozy retreat, December in Arosa offers a captivating winter experience.
In December, Arosa, Switzerland transforms into a winter wonderland, with temperatures dipping significantly to an average of -7°C (19°F). The month opens with chilly nights, where lows can plummet to -27°C (-17°F), creating a frosty atmosphere that perfectly complements the snow-covered landscapes. Despite the biting cold, daytime temperatures fluctuate between a brisk -7°C and a mild 4°C (40°F), allowing for enjoyable winter activities amid the stunning alpine scenery. As the year draws to a close, December showcases a noticeable trend of intensifying cold, setting the stage for the snowy adventures that await in the following months.
In December, Arosa, Switzerland, experiences a notable increase in precipitation, totaling 129 mm (5.1 in), marking a significant contribution to the winter season's snowpack. This month sees precipitation on 16 days, reflecting a consistent pattern of winter weather that begins to emerge as temperatures dip. Compared to the preceding months, December's precipitation is higher than the averages for both November and October, showcasing a trend of increasing moisture as the year wraps up. With the festive spirit blanketing the town along with the snowfall, Arosa presents a picturesque winter wonderland, attracting visitors eager to enjoy both its natural beauty and myriad outdoor activities.
In Arosa, Switzerland, December ushers in a notable trend in humidity, mirroring the winter season's chill with a high level of moisture in the air at 90%. This figure aligns closely with the humidity levels observed in both January and October, suggesting a pattern of increased dampness as the year draws to a close. From a peak of 92% in January to a gradual decline throughout the spring months, the humidity remains relatively elevated, fluctuating between 80% and 90% from May through November. The return to 90% in December indicates that Arosa's winter climate is both crisp and markedly humid, setting a picturesque scene for the snowy landscapes that draw visitors to this alpine haven.
As winter settles in Arosa, Switzerland, December ushers in a low UV Index of 2, indicating minimal risk for sunburn with a generous burn time of 45 minutes. This shift marks a notable contrast to the high and very high indices seen from April through August, when exposure risks peaked at 10, highlighting the importance of sun protection during those warm months. As the year draws to a close, outdoor enthusiasts can enjoy the stunning alpine scenery without the worry of intense UV exposure. For a deeper dive into UV trends throughout the year, check out Arosa UV Index.
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December in Arosa, Switzerland, may not bask in the abundant sunlight of the peak summer months, but it still manages to shine with 194 hours of daylight. This marks a gentle decline from the vibrant glow of 212 hours in November, reflecting the transition into winter's embrace. As the year draws to a close, the daylight hours drop steadily from their highest peak in July, where Arosa enjoys a generous 408 hours of sun. Yet, December's modest light holds a unique charm, blanketing the landscape in a pristine layer of snow, making the town a winter wonderland perfect for cozy holiday festivities. As the sunlight dims, the spirit of the season sparkles ever brighter, inviting visitors to experience the enchanting beauty of Arosa under its serene winter skies.
In Arosa, Switzerland, the likelihood of sunny weather in December stands at 37%, aligning closely with several preceding months like October and April. This consistency hints at a relatively stable trend as winter begins to settle in, providing a balance of crisp mountain air and occasional sunlight. December offers a slightly brighter prospect compared to the dimmer days of January, where the chance of sunshine dips to 21%. While the cold may dominate this alpine destination, those seeking winter sun can still find respite among the peaks, as December’s sunshine percentage holds its ground against the backdrop of the colder months that follow.
As winter descends upon Arosa, Switzerland, December brings a noticeable decrease in daylight, with only 8 hours of sunlight per day. This decline continues the downward trend initiated in the preceding months, where daylight reaches its annual low after a gradual start at 9 hours in November. Following a steady increase through the spring and summer months, peaking at 15 hours of daylight from May to July, the return to shorter days signals the approach of winter. The transition from the brighter months to December’s formidable evenings invites a cozy atmosphere, urging both residents and visitors to embrace the enchanting snow-covered landscapes that come with the season.
As December arrives in Arosa, the gentle whispers of the wind bring a sense of serene anticipation for the winter months ahead. With an average wind speed of 1.4 m/s (3 mph), December's breezy conditions reflect a consistent pattern seen throughout the year, mirroring the calmness experienced in January and March. Interestingly, this steady pace underscores the region's tranquil charm, creating a picturesque winter wonderland where the soft rustle of snowflakes dances in the air. As the year draws to a close, Arosa's winds remind us of the connection between nature and the seasonal transitions, setting the stage for cozy alpine adventures.
Weather in Arosa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Arosa, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures can dip as low as -27°C (-17°F), with an average temperature around -7°C (19°F) and a maximum of 4°C (40°F). The month experiences significant precipitation, measuring 129 mm (5.1 in) over 16 days, accompanied by a high humidity of 90%. In contrast, January tends to be slightly colder, with minimum temperatures reaching -30°C (-21°F) and an average of -9°C (16°F), though it shares a similar maximum of 5°C (40°F). Precipitation decreases to 92 mm (3.6 in) occurring over 11 days, while humidity rises marginally to 92%. For more specific details on Arosa's weather during this month, check out Arosa weather in January.
December and February present stark contrasts in weather, despite being close in the calendar year. In December, temperatures typically range from a biting -27°C (-17°F) to a maximum of 4°C (40°F), with an average temperature of -7°C (19°F). The month is quite damp as well, with 129 mm (5.1 in) of precipitation over 16 days and high humidity at 90%.
Conversely, February sees slightly milder conditions, with minimums around -26°C (-14°F) and a maximum reaching 9°C (48°F), leading to an average temperature just slightly warmer at -6°C (22°F). Precipitation also decreases significantly to 65 mm (2.6 in) over 12 days while humidity remains relatively high at 89%. This shift makes February feel more pleasant as winter starts to yield its grip. For a deeper look into February weather in a specific location, check out Arosa weather in February.
In December, the weather tends to be colder with average temperatures around -7°C (19°F) and maximum highs reaching only 4°C (40°F), creating a truly wintry atmosphere. The month sees significant precipitation, totaling 129 mm (5.1 in) over 16 days, combined with high humidity levels of 90%. In contrast, March begins to show signs of warming, with an average temperature rising to -3°C (27°F) and maximums reaching up to 11°C (52°F). Although March still experiences precipitation over 16 days, totaling 92 mm (3.6 in), the slightly lower humidity of 87% indicates a transition into spring. For more details, you can check the Arosa weather in March.
December and April present stark contrasts in weather conditions. In December, temperatures can plunge to a minimum of -27°C (-17°F), with an average of -7°C (19°F) and a maximum reaching just 4°C (40°F). The month sees significant precipitation, totaling 129 mm (5.1 in) over 16 days, accompanied by high humidity levels at 90%.
In contrast, April brings a milder climate, with minimum temperatures hovering around -24°C (-11°F) and an average of 1°C (34°F); the maximum can rise to a pleasant 15°C (59°F). Precipitation decreases to 87 mm (3.4 in) over 14 days, and humidity dips slightly to 84%. To explore more about the weather in Arosa during April, you can check this link: Arosa weather in April.
In December, temperatures in Arosa can plunge to a chilling minimum of -27°C (-17°F), with an average temperature around -7°C (19°F) and a maximum of only 4°C (40°F). The month is characterized by high humidity at 90% and receives about 129 mm (5.1 in) of precipitation over 16 days. In contrast, May brings a significant shift in the weather, with temperatures ranging from a minimum of -13°C (9°F) to a pleasant maximum of 21°C (69°F), and an average temperature of 5°C (41°F). Although May has slightly higher precipitation at 161 mm (6.3 in) over 23 days, the humidity is lower at 80%. This month heralds the transition to warmer weather, making it a stark contrast to the cold and damp December conditions. For more details on the weather during this vibrant month, check out Arosa weather in May.
December and June present striking contrasts in weather conditions. In December, temperatures plunge to a minimum of -27°C (-17°F) and hover around an average of -7°C (19°F), peaking at only 4°C (40°F). This cold month experiences significant precipitation, with 129 mm (5.1 in) falling over 16 days, and high humidity levels at 90%. In contrast, June welcomes milder temperatures, with a minimum of -2°C (28°F) and an average of 10°C (51°F), soaring to a maximum of 26°C (79°F). It also sees a slight increase in precipitation to 147 mm (5.8 in) over 19 days, but with lower humidity at 82%. For a more detailed look at June weather in Arosa, explore Arosa weather in June.
December and July present striking contrasts in weather. December features frigid temperatures, with a minimum of -27°C (-17°F) and an average low of -7°C (19°F), making it a month where winter truly takes hold. In contrast, July enjoys milder conditions, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 25°C (78°F), providing a warm and pleasant summertime experience.
Precipitation is noteworthy in both months, though December sees 129 mm (5.1 in) over 16 days, while July has slightly more at 152 mm (6.0 in) across 20 days. Humidity levels are relatively high in both months, but December's humidity of 90% gives the cold air a damp chill, compared to July's 83%, which complements the warmth. For more details on summertime conditions, you can check Arosa weather in July.
December and August present striking contrasts in weather conditions. In December, temperatures plummet, with a minimum of -27°C (-17°F) and an average of -7°C (19°F), reaching a maximum of just 4°C (40°F). The month is characterized by high humidity at 90% and frequent precipitation, with rain or snow occurring over 16 days and totaling 129 mm (5.1 in). In stark contrast, August offers milder temperatures, featuring a minimum of 0°C (31°F), an average of 11°C (52°F), and a maximum of 23°C (74°F). Despite slightly higher precipitation at 197 mm (7.8 in) across 20 days, humidity remains lower at 80%. For more insights into the weather in August, you can visit Arosa weather in August.
December and September present contrasting weather conditions, highlighting the shift from late autumn to winter. In December, temperatures plunge to a minimum of -27°C (-17°F), with an average of -7°C (19°F) and a maximum of 4°C (40°F). The month is characterized by high humidity at 90% and considerable precipitation, totaling 129 mm (5.1 inches) over 16 days. In contrast, September enjoys milder conditions with a minimum of -11°C (13°F), an average of 7°C (46°F), and a maximum of 20°C (68°F). While September still experiences a similar number of wet days (16), it slightly edges out December in precipitation at 134 mm (5.3 inches) and has lower humidity at 83%. For a closer look at September weather specifics, check out Arosa weather in September.
In comparing the weather of December and October, noticeable differences emerge in both temperature and daily conditions. December experiences much colder temperatures, with an average of -7°C (19°F) and a minimum that can plummet to -27°C (-17°F). In contrast, October offers milder conditions, presenting an average temperature of 3°C (39°F) and a maximum reaching 16°C (61°F). Precipitation levels are fairly similar, with December seeing 129 mm (5.1 in) over 16 days, while October has slightly higher precipitation at 133 mm (5.3 in) over just 12 days. Notably, both months maintain high humidity levels of around 90%. For more detailed information, check out Arosa weather in October.
In comparing the weather between November and December, December tends to be colder overall, with average temperatures around -7°C (19°F) compared to November's average of -3°C (27°F). December experiences more extreme lows, reaching as low as -27°C (-17°F), while November's minimum is less severe at -21°C (-5°F). Additionally, December has higher precipitation levels, totaling 129 mm (5.1 in) over 16 days, compared to November's 103 mm (4.0 in) across 13 days. Humidity levels remain relatively high in both months, with December at 90% and November at 88%, contributing to the overall chill. For a more detailed look at November's climate, you can visit Arosa weather in November.
As December settles over Arosa, winter firmly takes hold, establishing a distinct contrast to the milder months that precede it. This month is characterized by a notable chill, with temperatures averaging around -7°C, while precipitation increases, leading to a cozy, snow-covered landscape. With high humidity levels lingering at 90%, the air feels particularly crisp, perfect for those seeking to embrace the festive spirit. December's weather not only enhances the winter wonderland atmosphere but also sets the stage for a magical holiday experience. For more insights into the climate variations in this enchanting locale, visit Arosa Climate.