Last updated: August 27, 2025
In Zweisimmen, Switzerland, December brings a crisp winter chill with maximum temperatures reaching 8°C (47°F), while averages dip to a frigid -3°C (26°F). The month can experience extreme lows, plummeting to a bone-chilling -23°C (-10°F). This period is characterized by significant precipitation, totaling 226 mm (8.9 in) over 18 days, contributing to the enchanting snow-capped landscapes. With an average humidity level of 91%, the air feels particularly brisk, painting a picturesque, wintry scene ideal for those seeking the magic of a Swiss December.
In Zweisimmen, Switzerland, December ushers in a true winter chill, with average temperatures dipping to around -3°C (26°F). The month starts with the lowest recorded minimum of -23°C (-10°F), indicative of the coldest nights of the year, before gradually warming slightly as the month progresses. Daytime highs reach a more moderate 8°C (47°F), providing a stark contrast to the early mornings. December’s climatic patterns signify a transition into the heart of winter, where one can expect crisp air and potentially snowy landscapes, creating a picturesque setting perfect for winter sports enthusiasts and holiday revelers alike.
In Zweisimmen, Switzerland, December marks the peak of precipitation, with a substantial 226 mm (8.9 in) of rain upending the drier months preceding it. This dramatic surge is also reflected in the number of precipitation days, totaling 18, which is notably higher than other months. Following a trend of increasing rainfall from November onward, December stands out not only for its volume but also for its intensity, often heralding the arrival of the winter season. The higher precipitation paves the way for a snow-laden landscape, transforming Zweisimmen into a picturesque winter wonderland and setting the stage for seasonal festivities and outdoor activities.
In Zweisimmen, Switzerland, the humidity levels exhibit a distinct seasonal pattern throughout the year. As winter approaches, humidity peaks in December at 91%, mirroring January's high levels, which hovers around the same mark. Following a gradual decline in spring, where humidity dips to 80% in May, the summer months demonstrate moderate levels around 77-82%. This slight drop reflects the warmer, drier conditions typical of summer. However, as autumn sets in, humidity levels rise again, culminating in October and November at 89%. This cyclical trend signifies a notable return to higher moisture content as the year ends, reinforcing the chilly, damp climate characteristic of the region during winter.
In Zweisimmen, Switzerland, the UV Index experiences significant fluctuations throughout the year, reflecting varying levels of sun exposure. December marks a return to a low exposure category with an index of 2, allowing for a safe burn time of 45 minutes without risk of skin damage. This contrasts sharply with the intense summer months, where the index peaks at 10 in both June and July, demanding quick coverage with only a 15-minute burn time. As the year progresses, we see a gradual increase in UV levels from January's 2 to April's 8, leading into the summer months' very high predictions. The transition back to December showcases the annual cycle, illustrating how seasonal changes directly influence sun exposure. For those seeking more details on trends and recommendations, visit the comprehensive Zweisimmen UV Index.
UV Risk Categories
In Zweisimmen, Switzerland, December brings a gentle transition into winter, with an average of 200 hours of bright sunshine, slightly diminished from the preceding months. As a stark contrast to the radiant July, which basks in a generous 416 hours of daylight, December invites cozy indoor gatherings while the snow blankets the landscape. Interestingly, the sunniest moments begin to wane as winter sets in, with the hours of sunshine decreasing steadily from the peak experienced in the vibrant months of April and May, both at 355 hours. This seasonal pattern underscores a picturesque Alpine rhythm, where December’s diminished sunlight beautifully complements the enchanting winter wonderland, making each glimmer of sunshine a treasured experience amid the scenic backdrop.
In Zweisimmen, Switzerland, the likelihood of experiencing sunny weather in December stands at 40%, showing a slight increase compared to the preceding months. As the year winds down, the chances of sunshine increase notably from the lower figures recorded in the earlier winter months. December's sun probability closely aligns with the fall and late autumn months, where November sits at 36% and October peaks at 44%. This trend hints at a modest but encouraging transition into the winter season, suggesting that while December may bring chillier temperatures, there's still a healthy chance to bask in some winter sunshine amidst the serene alpine landscape.
In Zweisimmen, Switzerland, daylight duration experiences a dynamic shift throughout the year. Starting with a modest 9 hours in January, the days gradually elongate, peaking at a bright 15 hours during the summer months of May to July. As autumn approaches, daylight begins its slow retreat, dropping to 12 hours in September and then tapering to 10 hours in October. By December, the sun graces the landscape for just 8 hours, highlighting a stark contrast to the sun-drenched summer. This cyclical pattern not only signifies the beauty of changing seasons but also invites both residents and visitors to cherish the fleeting moments of daylight as winter takes hold.
As December settles over Zweisimmen, Switzerland, the average wind speed picks up slightly to 1.6 m/s (4 mph), marking a gentle shift from the milder breezes of the previous months. Throughout the year, the wind tends to remain relatively calm, hovering around 1.5 m/s for much of the spring and summer, only dipping to 1.2 m/s in June and September. Interestingly, the winter months reveal a subtle uptick in wind speeds, with December joining February as one of the breeziest months. This trend hints at the fresh, invigorating winds that sweep through the picturesque town, bringing with them the charm of winter and the promise of snow-capped mountain vistas. As the year winds down, the crisp December air, slightly brisker than before, invites both locals and visitors to embrace the beauty of the season.
Weather in Zweisimmen varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Zweisimmen, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather features a minimum temperature of -23°C (-10°F) and an average of -3°C (26°F), while the maximum temperature reaches 8°C (47°F). This month experiences significant rainfall, with 226 mm (8.9 in) of precipitation spread over 18 days, coupled with a consistently high humidity level of 91%.
In contrast, January sees a slightly colder minimum temperature of -24°C (-10°F) and an average of -5°C (24°F), though the maximum temperature remains at 8°C (47°F). Precipitation decreases to 150 mm (5.9 in) over 12 days, maintaining the same humidity level of 91%. Overall, while both months enjoy similar maximum temperatures, January tends to be colder with less rainfall than December. For a detailed look at the weather specifics, visit Zweisimmen weather in January.
December and February exhibit notable differences in weather patterns. In December, temperatures can drop to a minimum of -23°C (-10°F), with an average of -3°C (26°F) and a maximum of 8°C (47°F). The month also sees significant precipitation, with 226 mm (8.9 in) over 18 days, resulting in high humidity levels of 91%. In contrast, February offers slightly milder conditions, with temperatures ranging from a minimum of -19°C (-2°F) to an average of -1°C (30°F) and a peak of 13°C (56°F). Precipitation is less frequent in February, totaling 117 mm (4.6 in) over just 11 days, and humidity remains marginally lower at 89%. For more detailed weather insights, you can check Zweisimmen weather in February.
In December, the weather is characterized by frigid temperatures, with a minimum of -23°C (-10°F) and an average of -3°C (26°F). This month also sees considerable precipitation, totaling 226 mm (8.9 in) across 18 days, and high humidity levels at 91%. In contrast, March begins to show a significant warming trend, with temperatures ranging from a minimum of -21°C (-5°F) to a comfortable maximum of 16°C (62°F) and an average of 1°C (34°F). The precipitation decreases to 149 mm (5.9 in) over 16 days, accompanied by slightly lower humidity at 87%. For those interested in more detailed information, visit Zweisimmen weather in March.
In December, temperatures are significantly colder, with a minimum of -23°C (-10°F) and an average of -3°C (26°F), while April experiences milder conditions, with its minimum at -17°C (2°F) and an average of 5°C (41°F). December is characterized by higher precipitation, totaling 226 mm (8.9 in) over 18 days, compared to April's 89 mm (3.5 in) over 12 days. Additionally, humidity is slightly higher in December at 91%, compared to 84% in April. For more detailed information on April weather, you can visit Zweisimmen weather in April.
December and May present starkly contrasting weather conditions. In December, temperatures plunge to a minimum of -23°C (-10°F) and hover around an average of -3°C (26°F), with a maximum temperature reaching only 8°C (47°F). The month is characterized by high humidity at 91% and considerable precipitation of 226 mm (8.9 in) over 18 days, creating a chilly and damp environment.
In contrast, May experiences a mild climate with minimum temperatures around -7°C (20°F), an average of 9°C (48°F), and highs that can soar up to 26°C (80°F). With slightly less precipitation at 205 mm (8.1 in) and rain occurring on 21 days, the humidity is lower at 80%, resulting in a more pleasant atmosphere. For a closer look at weather specifics, you can check Zweisimmen weather in May.
December weather is characterized by frigid temperatures, with a minimum dropping to -23°C (-10°F) and an average of -3°C (26°F). The month sees significant precipitation of 226 mm (8.9 in) over 18 days, accompanied by high humidity at 91%. In stark contrast, June brings much milder conditions, where temperatures range from a minimum of 0°C (33°F) to a maximum of 31°C (87°F), with an average of 14°C (57°F). Although June experiences slightly less precipitation at 181 mm (7.1 in) across 19 days, the humidity is lower at 82%. This makes December feel much harsher compared to the comparatively pleasant and warmer June. For more information on June weather specifics, you can check Zweisimmen weather in June.
December and July present vastly different weather conditions. In December, temperatures typically range from a frigid -23°C (-10°F) to a mild 8°C (47°F), with an average of -3°C (26°F). The month is characterized by high humidity at 91% and considerable precipitation, with 226 mm (8.9 in) spread over 18 days. In contrast, July experiences much milder weather, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 30°C (86°F) and an average of 15°C (60°F). While precipitation is slightly less at 200 mm (7.9 in) over the same number of days, humidity remains moderately high at 82%. For a closer look at July's conditions, you can visit Zweisimmen weather in July.
December and August present starkly contrasting weather patterns. In December, temperatures plunge, with averages hovering around -3°C (26°F) and extremes reaching as low as -23°C (-10°F). The month experiences considerable precipitation, totaling 226 mm (8.9 in) over 18 days, coupled with high humidity at 91%. In contrast, August welcomes warmer conditions with an average temperature of 15°C (59°F) and highs of up to 28°C (82°F). While it still sees some rain, precipitation is less intense, measuring 180 mm (7.1 in) over 17 days, and humidity levels are lower at 77%. For more details, check out Zweisimmen weather in August.
In comparing the weather of December and September, it's evident that they present starkly different climates. December experiences much colder temperatures, with a minimum of -23°C (-10°F) and an average around -3°C (26°F), while September boasts a more moderate range, with temperatures dipping to -3°C (27°F) at night and reaching a comfortable maximum of 24°C (75°F) during the day. Additionally, December sees significantly more precipitation, totaling 226 mm (8.9 in) over 18 days, compared to September's 117 mm (4.6 in) over 15 days. Humidity levels are also higher in December at 91%, compared to 81% in September, contributing to the chilly atmosphere of late fall compared to the milder and often sunnier early autumn. For more detailed insights, visit Zweisimmen weather in September.
December weather in Zweisimmen is significantly colder than in October, with temperatures ranging from a frigid -23°C (-10°F) to a milder max of 8°C (47°F). In contrast, October experiences much more moderate temperatures, sitting between -4°C (26°F) and a warm 20°C (69°F). Additionally, December sees considerably more precipitation, averaging 226 mm (8.9 in) over 18 days, compared to October's 135 mm (5.3 in) over 13 days. The humidity remains high in both months, with December at 91% and October slightly lower at 89%. For a closer look at October's weather conditions, you can visit Zweisimmen weather in October.
In December, the weather takes a significant turn towards wintery conditions, with temperatures plummeting to a minimum of -23°C (-10°F) and an average of -3°C (26°F). In contrast, November features milder temperatures, with a minimum of -12°C (10°F) and an average of 1°C (34°F), allowing for relatively warmer days that can reach up to 17°C (63°F). December also experiences a noticeable increase in precipitation, accumulating 226 mm (8.9 in) over 18 days, compared to November's 109 mm (4.3 in) over 12 days, leading to a wetter month. Moreover, humidity rises slightly in December to 91%, surpassing November's 89%. For more detailed insights into November's weather, you can refer to Zweisimmen weather in November.
As December settles in Zweisimmen, the weather transforms dramatically, embracing the true essence of winter. With temperatures dipping significantly lower than in preceding months, the landscape is often cloaked in snow. The sharp contrast between the maximum and minimum temperatures underscores the chill that envelops the region, making it a cozy retreat for winter enthusiasts. High humidity and frequent precipitation contribute to a picturesque winter scene, though the days can feel quite dreary with nearly two-thirds of the month experiencing some form of rain or snow. This unique December climate sets Zweisimmen apart from the milder conditions of the earlier months, inviting visitors to experience the magic of a snowy Swiss landscape. For a deeper dive into the region’s climatic patterns, visit Zweisimmen Climate.