Last updated: August 27, 2025
In Arlesheim, Switzerland, December ushers in a chilly embrace, with temperatures ranging from a brisk -5°C (23°F) at night to a milder 14°C (57°F) during the day. The month averages around 3°C (38°F), making it essential to bundle up while exploring the picturesque landscapes. This month also sees significant precipitation, totaling 129 mm (5.1 in) over 19 days, contributing to a notably high humidity level of 91%. December's weather creates a refreshing atmosphere, perfect for enjoying the scenic beauty of winter in Arlesheim.
In December, Arlesheim, Switzerland, experiences the onset of winter, with temperatures reflecting the seasonal shift. The minimum dips to a brisk -5°C (23°F), while the average hovers around 3°C (38°F), bringing a refreshing chill to the air. Though the maximum reaches a milder 14°C (57°F), it's clear that the warmth of autumn has faded. This month marks a noticeable drop from the milder November, which had averages near 5°C (41°F). As December unfolds, residents and visitors alike can expect a landscape transformed by winter's charm, perfect for cozy gatherings by the fireplace or brisk walks through the picturesque, snow-dusted scenery.
December in Arlesheim, Switzerland, marks one of the wettest months of the year, with precipitation reaching 129 mm (5.1 in) over a substantial 19 days. This increase in rainfall reflects a notable trend in the winter months, as December's precipitation is among the highest, surpassed only by the preceding spring and early summer months like May and June. The shift to wetter conditions underscores a transition from drier autumn, observed with November's 79 mm over just 13 days. As the year wraps up, Arlesheim embraces the cold, often dreary days of December, where the landscape is transformed under frequent showers, setting the stage for a snowy winter ahead.
December in Arlesheim, Switzerland, marks a return to elevated humidity levels, peaking at 91%, closely aligning with the winter month's pattern. While the year begins with high humidity in January at 91%, it gradually decreases through spring, dropping to a low of 77% in August. As summer transitions to autumn, humidity rises again, reaching 89% in both October and November, before making a significant leap back to 91% in December. This fluctuation highlights a distinctive seasonal trend, where the humidity levels during the winter months tend to mirror those of early January, creating a cyclical rhythm that characterizes Arlesheim's climate.
In December, Arlesheim experiences a notable dip in the UV Index, reaching a low of 1, which corresponds to a low exposure category and a lengthy safe burn time of 45 minutes. This decline is part of a clear seasonal trend, where UV levels peak in the summer months of June and July at a striking 9, demanding heightened caution with very short burn times of just 15 minutes. As winter approaches, the UV Index decreases gradually from the moderate levels seen in early spring, providing a reassuring reminder of the importance of sun safety as we transition into the cooler months. For more insights on how UV levels vary throughout the year in Arlesheim, check out Arlesheim UV Index.
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In Arlesheim, Switzerland, December brings a cozy respite with an average of 156 sunshine hours, a gentle end to the year that reflects the gradual decline from the bright summer months. As the days shorten, the sunlight dwindles from the peak of 413 hours in July, showcasing a clear seasonal rhythm that emphasizes the rich contrasts between the summer's vibrant light and winter's subdued glow. Notably, December sees a modest increase from November's 192 hours, hinting at the subtle charm of winter days where crisp air mingles with moments of gentle sunlight. As we transition into the new year, the warmth of these bright December days becomes a cherished promise of longer, sun-filled months ahead.
In Arlesheim, Switzerland, December sees a modest 27% chance of sunny weather, marking a slight decline from the month before, which experienced a 24% likelihood of sunshine in November. As winter sets in, sunshine becomes increasingly elusive; however, it's worth noting that December typically precedes the sunnier months of spring, where the probability of clear skies noticeably rises to 52% in April and peaks at 47% in March. This trend highlights how the darker winter months often give way to brighter days, hinting at the emerging light as the year progresses. If you're planning a visit in December, be prepared for more cloud cover, but keep your spirits high with the promise of sunnier days ahead.
In Arlesheim, Switzerland, the cycle of daylight duration reflects the changing seasons with a rhythmic ebb and flow. December, with its mere 8 hours of daylight, signifies the year's darkest point, mirroring the slight daylight increase seen in January. The days gradually extend into February, reaching 10 hours, as winter starts to recede. By March, daylight stretches to 11 hours, and as spring approaches, April brings a significant leap to 13 hours. The month of May basks in 15 hours of daylight, matched by June and July, creating the height of summer's brightness. As summer wanes, the days begin to shorten from August's 14 hours to 12 hours in September, and further contract through October and November. This consistent variability in daylight not only marks the seasons but also shapes the daily lives of Arlesheim’s residents, fostering a deeper appreciation for each moment of sunlight.
As December sweeps into Arlesheim, the average wind speed picks up, returning to a brisk 2.6 m/s (6 mph). This uptick mirrors the stronger winds experienced in the earlier months of the year, particularly January, where winds also averaged 2.6 m/s. Interestingly, following the summer's calmer breezes, which dip as low as 1.7 m/s (4 mph) in September, December signals a refreshing change as it recalls the crisp vitality of winter. This seasonal shift not only heralds the colder months but also reinforces a trend where the year's winds pick up pace during the winter, inviting both locals and visitors to experience the invigorating chill of Arlesheim’s December air.
Weather in Arlesheim varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Arlesheim, focusing on differences in temperature, rainfall, humidity, and UV levels.
December typically features milder temperatures compared to January, with a minimum of -5°C (23°F) and an average of 3°C (38°F), peaking at 14°C (57°F). This month also experiences significant rainfall, totaling 129 mm (5.1 in) over 19 days, all while maintaining high humidity levels at 91%. In contrast, January sees colder temperatures, with a minimum of -13°C (8°F) and an average of 1°C (35°F), but a slightly higher maximum of 16°C (61°F). The precipitation in January is reduced to 94 mm (3.7 in) over 12 days, yet humidity remains consistent at 91%. For a detailed look at the changes in weather during this time, you can visit Arlesheim weather in January.
In December, the weather is characterized by mild averages around 3°C (38°F) and a notable maximum of 14°C (57°F), but temperatures can drop to a chilly -5°C (23°F). This month experiences significant precipitation, totaling 129 mm (5.1 in) over about 19 days, with a high humidity level of 91%. In contrast, February sees slightly warmer average temperatures at 4°C (39°F) with a maximum reaching 18°C (65°F) and a more pronounced minimum of -14°C (7°F). Precipitation decreases to 77 mm (3.0 in) over 12 days, and humidity remains relatively high at 89%. For more detailed information, check Arlesheim weather in February.
In December, the weather is generally colder, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (57°F) and an average of around 3°C (38°F). This month is characterized by high humidity at 91% and significant precipitation, totaling 129 mm (5.1 in) over approximately 19 days. In contrast, March experiences a milder climate with a wider temperature range, seeing lows of -13°C (9°F) and highs reaching up to 21°C (71°F), averaging at 6°C (43°F). Additionally, March features less precipitation at 91 mm (3.6 in) across about 15 days, along with slightly lower humidity at 87%. For more detailed information on March weather, you can refer to Arlesheim weather in March.
In December, the weather is chilly with temperatures ranging from a brisk -5°C (23°F) to a maximum of 14°C (57°F) and an average of just 3°C (38°F). The month is characterized by significant precipitation, with around 129 mm (5.1 in) spread over 19 days and a high humidity level of 91%. In contrast, April experiences a noticeable warmth as temperatures rise, with a minimum of -4°C (25°F), an average of 10°C (50°F), and a peak of 26°C (79°F). Rainfall decreases sharply to 62 mm (2.4 in) over just 10 days, and the humidity slightly drops to 84%. For more on what to expect weather-wise in April, you can check Arlesheim weather in April.
In December, the weather is notably colder with average temperatures around 3°C (38°F) and a maximum of only 14°C (57°F). The month experiences considerable precipitation at 129 mm (5.1 in) over 19 days, coupled with high humidity levels reaching 91%. In contrast, May brings a significant warmth with average temperatures soaring to 13°C (56°F) and highs potentially reaching 30°C (87°F). Although the precipitation is slightly higher at 133 mm (5.2 in), it occurs over just 17 days, and the humidity decreases to 80%. For a closer look at the weather specifics in this pleasant month, you can check Arlesheim weather in May.
December and June present strikingly different weather patterns. In December, temperatures range from a chilly minimum of -5°C (23°F) to a pleasant maximum of 14°C (57°F), with an average of around 3°C (38°F). The month is characterized by high humidity at 91% and frequent precipitation, occurring on 19 days, totaling 129 mm (5.1 in). In contrast, June showcases much warmer conditions, with temperatures starting at a minimum of 5°C (42°F) and reaching up to 34°C (94°F), while averaging 19°C (66°F). Though precipitation is slightly lower at 125 mm (4.9 in), it occurs over 16 days and humidity is also lower at 82%. This stark contrast highlights the transition from the cold, damp winter to the warm, humid summer. For more detailed insights, check out Arlesheim weather in June.
In December, the weather is typically much colder, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (57°F), resulting in an average of 3°C (38°F). This month also sees higher humidity levels at 91% and considerable precipitation, averaging 129 mm (5.1 in) over 19 days. In contrast, July brings a significant warmth, with temperatures starting from 8°C (47°F) and reaching up to 37°C (98°F), creating a comfortable average of 20°C (68°F). Although July has slightly less precipitation at 117 mm (4.6 in) and a lower humidity of 82%, it still features a sunnier disposition. For more details on July weather, visit Arlesheim weather in July.
December and August present stark contrasts in weather conditions. In December, temperatures range from a chilly minimum of -5°C (23°F) to a mild maximum of 14°C (57°F), with an average of just 3°C (38°F). The month is marked by significant precipitation, totaling 129 mm (5.1 in) over approximately 19 days, coupled with high humidity levels of 91%. In contrast, August boasts much warmer temperatures, with a minimum of 6°C (43°F), an average of 20°C (68°F), and a maximum that can reach 35°C (95°F). Precipitation in August is slightly lower at 115 mm (4.5 in) over about 15 days, and the humidity is notably lower at 77%. For a detailed overview of the August weather, you can visit Arlesheim weather in August.
December and September present contrasting weather patterns. In December, temperatures range from a chilly -5°C (23°F) at night to a mild 14°C (57°F) during the day, with an average of 3°C (38°F). The month is characterized by high humidity at 91% and considerable precipitation, totaling 129 mm (5.1 in) over approximately 19 days. In contrast, September boasts much warmer temperatures, with minimums around 1°C (35°F) and maximums peaking at a pleasant 30°C (86°F), averaging 16°C (60°F). The month also experiences significantly less rainfall, with only 67 mm (2.6 in) distributed over 10 days and a lower humidity level of 81%. For a detailed look at the weather specifics in September, you can check Arlesheim weather in September.
December weather is significantly colder than October, with average temperatures dropping from 11°C (51°F) in October to just 3°C (38°F) in December. While October can experience pleasant highs of 24°C (76°F), December's maximum reaches only 14°C (57°F). Additionally, December is wetter, with 129 mm (5.1 in) of precipitation over 19 days compared to October's 92 mm (3.6 in) over 14 days. The humidity remains relatively high in both months, at 91% in December and 89% in October. For a more detailed look at October's weather, you can check Arlesheim weather in October.
In comparing the weather of December and November, December experiences slightly lower temperatures, with an average high of 14°C (57°F) compared to November's warmer average high of 21°C (70°F). While both months see cold minimum temperatures, December's lowest is -5°C (23°F), just below November’s -4°C (25°F). Precipitation is significant in December, averaging 129 mm (5.1 in) over 19 days, whereas November is drier with only 79 mm (3.1 in) over 13 days. Humidity levels are quite similar, with December at 91% and November at 89%. For more detailed information, you can refer to Arlesheim weather in November.
As December settles over Arlesheim, the weather takes on a distinctively chilly character, contrasting sharply with the milder months that preceded it. With average temperatures hovering around 3°C (38°F), this month marks a significant drop when compared to the warmth of autumn. Additionally, the heightened humidity levels of 91% coupled with increased precipitation—spreading across 19 days of the month—create a damp and often overcast atmosphere. While snow may beckon, the frequent rainfall fills December with a unique, moody charm, making it a month of reflection before the crispness of winter fully envelops the region. For a deeper understanding of how the weather shapes life in Arlesheim, explore the comprehensive details at Arlesheim Climate.