Last updated: August 27, 2025
In Gersau, Switzerland, December brings a chilly embrace, with maximum temperatures reaching only 11°C (52°F) and an average hovering around 1°C (33°F), while minimums can plummet to a brisk -11°C (12°F). This month is not only cold but also wet, with precipitation accumulating to 171 mm (6.7 in) over 18 days, contributing to the region's lush winter landscape. With a humidity level at a notable 90%, the air feels crisp and invigorating, making December a month of chilly beauty in this picturesque Swiss locale.
As December arrives in Gersau, Switzerland, temperatures begin to dip into the heart of winter, showcasing a distinct chill that contrasts with the milder months preceding it. The minimum temperature can plunge to -11°C (12°F), while daytime highs reach around 11°C (52°F), creating a refreshing but brisk atmosphere ideal for winter activities. With an average temperature settling at 1°C (33°F), December marks a transition, as the cold sets the stage for the snow-covered landscapes that the region is famous for. This month continues the downward trend in temperatures from the previous autumn, reflecting the cold bite of winter that envelops this picturesque Swiss locale. As the year draws to a close, Gersau transforms into a serene winter wonderland, inviting visitors to embrace its frosty charm.
In Gersau, Switzerland, December typically wraps up the year with a notably high precipitation level, averaging 171 mm (6.7 in), making it one of the wetter months. With rainfall occurring on 18 days, this month embodies the transition into winter, where the landscape is often cloaked in a misty veil. December's precipitation is just shy of the summer peaks seen in July and August, suggesting a discernible trend where the latter half of the year experiences a notable increase in moisture. This uptick may contribute to the enchanting scenery and lush greenery that defines Gersau, offering a picturesque backdrop for both locals and visitors alike.
As December settles in Gersau, Switzerland, residents experience a notable upswing in humidity, with levels climbing back to 90%, reminiscent of the dampness felt in January and October. This pattern suggests a trend of increased humidity during the colder months, where the average remains above 85% from October through December. Interestingly, while temperatures dip during winter, humidity levels reflect a consistent pattern, creating a chilly yet moist environment that characterizes the region. The transition from autumn to winter sees a fascinating interplay between cooler temperatures and sustained humidity, underscoring Gersau’s unique climate dynamics.
In Gersau, Switzerland, the UV Index in December drops to a low 2, resulting in a more forgiving environment for sun exposure with a burn time of approximately 45 minutes. This marks a stark contrast to the peak summer months of June and July, where the index soared to a blistering 9, indicating very high exposure risks and a burn time of just 15 minutes. Over the year, the UV Index displays a notable trend: it begins low in January, gradually increases to its summer peak, and then tapers off again into winter. This fluctuation highlights the importance of adapting sun safety practices throughout the seasons. For detailed insights on UV levels year-round, check out Gersau UV Index.
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December in Gersau, Switzerland, ushers in a gentle transition towards winter, bringing with it 185 hours of sunshine. Although this marks a drop from the brighter days of earlier months, it still captures the lingering warmth of the year. From the **expansive 415 hours basked in July to far less daylight as winter settles, December paints a picture of decreasing light, mirroring the waning energy of the year. Notably, the gradual decline in sunshine spans from the vibrant 370 hours in May through a steady decrease, creating an enchanting atmosphere perfect for cozying up and enjoying the serene landscapes. As the year closes, Gersau invites visitors to embrace the crisp air and soft, golden winter rays that define this beautiful lakeside town in December.
In Gersau, Switzerland, the likelihood of experiencing sunny weather in December hovers around 29%, which reflects a slight uptick compared to the preceding months. As the year winds down, the chances of sun rise notably from a low of 23% in November. This trend suggests a modest recovery in sunny days as winter approaches, following months where the weather typically becomes cloudier. While not overly abundant, the sun can still make its presence felt amidst the wintry scenery, offering a refreshing contrast during this chilly time of year. As the landscape is blanketed with snow, those lucky enough to catch a sunny December day may find it particularly memorable.
As the year draws to a close, December in Gersau, Switzerland, brings back the shorter days, with daylight lasting just 8 hours—mirroring the light levels of January. This pattern of diminishing daylight hours begins in November and continues into the winter months, contrasting sharply with the sun-soaked 15 hours enjoyed during the peak of summer in June, July, and May. As spring approaches, daylight gradually increases, starting from 10 hours in February and climbing to a vibrant 13 hours by April. This rhythm of light not only reflects the natural cycles of the seasons but also invites residents and visitors alike to savor the beauty and serenity of the winter landscape during these calmer, shorter days.
In December, Gersau experiences a gentle breeze, with average wind speeds hovering around 1.4 m/s (3 mph). This follows a trend of relatively stable winds throughout the year, where January and February also see similar speeds, maintaining a consistent 4 mph. As the months progress towards summer, the winds slightly decline, reaching their lowest in August and September at just 3 mph. Yet, the transition into winter brings a modest uptick, hinting at the calm, serene atmosphere of December in this picturesque Swiss town. This steady wind pattern signifies not just seasonal change but also contributes to the enchanting ambiance that draws visitors to the shores of Lake Lucerne during the festive season.
Weather in Gersau varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Gersau, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January present stark contrasts in weather, though both months feature cool temperatures and significant precipitation. In December, the temperature ranges from a minimum of -11°C (12°F) to a mild maximum of 11°C (52°F), with an average of 1°C (33°F). The month experiences 171 mm (6.7 in) of precipitation over 18 days, coupled with high humidity at 90%. In contrast, January is colder, with temperatures dipping to a minimum of -15°C (5°F) and averaging -1°C (30°F), while still reaching a maximum of 11°C (52°F). This month sees slightly less precipitation at 144 mm (5.7 in) over 13 days, along with a slight increase in humidity at 92%. For more detailed information, you can refer to the Gersau weather in January.
In December, the weather in Gersau tends to be milder with an average temperature around 1°C (33°F) and maximums reaching up to 11°C (52°F). However, it is also a month marked by significant precipitation, with around 171 mm (6.7 in) falling over 18 days, contributing to a notably humid environment at 90%.
In contrast, February experiences colder temperatures, with minimums dropping to -19°C (-1°F) and maximums reaching 14°C (58°F). Despite the chill, February sees less precipitation, around 106 mm (4.2 in), spread across 12 days and a slightly lower humidity level at 89%. For a closer look at February's weather, you can check Gersau weather in February.
When comparing the weather in December and March, we see notable differences in temperature and precipitation patterns. December tends to be colder, with an average temperature hovering around 1°C (33°F) and a maximum of 11°C (52°F), while March shows a slightly milder average of 3°C (38°F), with a maximum reaching 18°C (64°F). Interestingly, March experiences slightly less precipitation at 127 mm (5.0 in) over 17 days compared to December's 171 mm (6.7 in) over 18 days. Humidity levels are also marginally lower in March at 87%, compared to December's 90%. For a detailed look at the weather in March, you can refer to Gersau weather in March.
December and April exhibit contrasting weather patterns, reflecting the transition from winter to spring. In December, temperatures range from a chilly -11°C (12°F) to a mild maximum of 11°C (52°F), with an average of 1°C (33°F). This month is also characterized by significant precipitation, totaling 171 mm (6.7 in) over 18 days, and a high humidity level of 90%. In contrast, April experiences a more moderate climate, with minimum temperatures around -7°C (19°F) and maximums reaching 22°C (71°F), averaging 7°C (45°F). Precipitation decreases to 104 mm (4.1 in) over just 12 days, while humidity slightly lowers to 84%. For more details on the weather in April, you can visit Gersau weather in April.
December and May present quite different weather experiences. In December, temperatures can drop as low as -11°C (12°F), with an average of 1°C (33°F) and a maximum of 11°C (52°F). The month is characterized by high humidity at 90% and substantial precipitation, totaling about 171 mm (6.7 in) over 18 days. In contrast, May brings milder conditions, with temperatures ranging from a minimum of -7°C (19°F) to an average of 10°C (51°F), peaking at a warm 27°C (80°F). Although May sees slightly less precipitation at 163 mm (6.4 in) spread over 19 days, humidity also decreases to 80%. For a closer look at May weather in Gersau, you can visit Gersau weather in May.
December and June display contrasting weather patterns. In December, temperatures range from a chilly -11°C (12°F) at night to a mild 11°C (52°F) during the day, with an average of 1°C (33°F). The month experiences significant precipitation, totaling 171 mm (6.7 in) over 18 days, and high humidity levels at 90%. In contrast, June brings much warmer conditions, with nighttime lows of 4°C (39°F) and daytime highs soaring up to 31°C (88°F), averaging 16°C (60°F). While June also sees a considerable amount of precipitation at 189 mm (7.4 in) over 18 days, the humidity is slightly lower at 82%. For more detailed insights into June weather, visit Gersau weather in June.
December and July present stark contrasts in weather conditions. December features chilly temperatures, with lows plunging to -11°C (12°F) and an average of just 1°C (33°F), while July enjoys much warmer climes, with a minimum of 7°C (45°F) and an average of 17°C (63°F). Precipitation is notable in both months, with December receiving 171 mm (6.7 in) of rain over 18 days, slightly less than July's 190 mm (7.5 in) across the same number of days. Humidity levels also differ, as December's humidity averages at a brisk 90%, while July is less humid at 83%. For more specific insights, you can check Gersau weather in July.
December and August showcase stark contrasts in weather. In December, temperatures can plummet to a chilling minimum of -11°C (12°F), while averaging around 1°C (33°F) and peaking at 11°C (52°F). This month is characterized by high humidity at 90% and significant precipitation of 171 mm (6.7 in) over 18 days. In contrast, August enjoys milder conditions with minimum temperatures of 7°C (45°F), an average of 17°C (63°F), and maximums reaching up to 29°C (84°F). Although August sees slightly more total precipitation at 203 mm (8.0 in) over the same number of rainy days, the humidity is lower at 80%. For a closer look at August weather specifics, check out Gersau weather in August.
December weather is markedly colder than that of September, with average temperatures ranging from a chilly -11°C (12°F) at night to a maximum of 11°C (52°F) during the day. In contrast, September enjoys a milder climate, featuring average temperatures from 1°C (34°F) to a pleasant high of 25°C (77°F). Both months experience significant precipitation, with December receiving 171 mm (6.7 in) over 18 days and September slightly less at 146 mm (5.8 in) over 15 days. The humidity levels are also notably higher in December at 90%, compared to September's 83%. For more detailed insights on September weather, check out Gersau weather in September.
In comparing the weather between October and December, we see a notable shift in temperatures and precipitation patterns. October experiences milder conditions with average temperatures ranging from a chilly 1°C (34°F) at night to a comfortable high of 20°C (68°F) during the day, while December's temperatures drop significantly, with a minimum of -11°C (12°F) and a maximum of 11°C (52°F). Precipitation is slightly higher in December at 171 mm (6.7 in) over 18 days, compared to October's 165 mm (6.5 in) over 14 days, reflecting the onset of winter showers. Both months maintain a constant humidity level of 90%, but the overall coolness and increased precipitation in December contribute to a stark contrast with October's more temperate climate. For more details on October weather, check out Gersau weather in October.
December weather is notably colder and wetter compared to November. While November experiences milder temperatures with a minimum of -7°C (19°F) and an average of 4°C (39°F), December sees temperatures plunging to a minimum of -11°C (12°F) and an average of just 1°C (33°F). Additionally, December is characterized by increased precipitation, totaling 171 mm (6.7 in) over 18 days, compared to November's 102 mm (4.0 in) across 14 days. Humidity levels are also slightly higher in December, averaging 90% versus November's 88%. For a closer look at November's weather specifics, visit Gersau weather in November.
As December envelops Gersau, the town transforms under chillier conditions, setting itself apart from the milder months of the preceding year. With temperatures dipping significantly and frequent showers adding to the winter ambiance, it's a month characterized by heightened humidity and overcast skies. Unlike the warmer months, December's more extreme weather patterns, including a notable increase in precipitation days, invite the community to embrace the cozy comforts of the season. For a deeper understanding of how Gersau's December compares to other months, explore further at Gersau Climate.