Last updated: August 27, 2025
Experience December in Lausanne, Switzerland, where the charm of winter unfolds amidst a landscape of crisp air and atmospheric beauty. The month's average temperature hovers around 4°C (39°F), with highs reaching up to 13°C (55°F) and lows dipping to -4°C (25°F), creating a delightful backdrop for seasonal activities. Swept by 189 mm (7.3 in) of precipitation over 17 days, the city embraces its wet weather with an impressive humidity level of 91%. Whether you're wandering through snowy streets or sipping warm drinks, December in Lausanne offers a picturesque winter wonderland just waiting to be explored.
As December arrives in Lausanne, Switzerland, temperatures begin to dip, reflecting the transition into winter. The month sees a minimum of around -4°C (25°F), presenting a chill that is felt in the air, while the average temperature hovers near 4°C (39°F). Cozying up is essential, especially with the maximum temperature reaching only 13°C (55°F). This month marks a noticeable drop from the more mild autumn, with January and February expected to bring even colder conditions. As the festive season unfolds, the crisp air of December enhances the enchantment of Lausanne's picturesque winter charm, inviting both locals and visitors to embrace the wintry landscape with warmth and cheer.
In December, Lausanne experiences a notable peak in precipitation, with a remarkable 186 mm (7.3 in) of rain falling over 17 days. This is the highest monthly total of the year, significantly surpassing the averages seen from January to November. The increase in rainfall not only marks the transition to winter but also reflects a pattern of elevated precipitation during the latter months of the year. This December deluge contrasts sharply with the lighter showers of spring and early autumn, turning the city into a vibrant, water-fueled ecosystem as the year comes to a close. Such a shift underscores the importance of preparing for wetter weather, highlighting December as a month of transformation for both environment and atmosphere in Lausanne.
In December, Lausanne, Switzerland, experiences a notable increase in humidity, reaching 91%, which mirrors the high levels seen at the beginning of the year. This trend indicates a characteristic winter pattern, where cooler temperatures often correlate with higher moisture retention in the air. As autumn transitions into winter, humidity levels generally remain elevated, peaking in the last month of the year alongside November's 89%. Interestingly, while summer months like July and August see a dip to 77%, the onset of winter brings back the plush, damp air reminiscent of January and February. Overall, December serves as a bridge, reflecting both the lingering effects of autumn and the encroaching chill of winter, ensuring Lausanne remains enveloped in a moist, wintry atmosphere.
As December rolls into Lausanne, Switzerland, the UV Index drops to a low level of 2, indicating a more forgiving sun for residents and visitors alike. This decline follows a trend of increasing UV exposure through the warmer months, where values soared to a very high peak of 10 in June. In contrast to the sun's intensity seen earlier in the year, December offers a more leisurely burn time of 45 minutes, allowing for safer outdoor activities without the harsh risk of skin damage. This month’s mild UV radiation, resembling that of January, invites a sense of seasonal ease, making it a perfect time to enjoy the scenic winter landscapes. For more information, check out the detailed Lausanne UV Index.
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December in Lausanne, Switzerland, offers a cozy atmosphere with 197 hours of sunshine, marking a gentle decline as the year winds down. This trend of diminishing sunlight is a natural progression from the summer's peak, where July boasts an impressive 418 hours. As autumn sets in, the hours of sunshine gradually decrease, dropping from 388 hours in August to 229 hours in November. This reduction highlights the seasonal rhythm of Lausanne, transitioning from vibrant summer days to the crisp tranquility of winter. Despite the lower daylight, December maintains a certain charm, inviting residents and visitors alike to enjoy the festive spirit that illuminates the city, even as the sun takes a rest.
In December, the likelihood of experiencing sunny weather in Lausanne, Switzerland, is relatively low at 25%. This marks a significant dip from the sunnier months of spring and early summer, where chances peak at 51% in April and hover around 39% to 42% from July to August. As the year winds down, the trend shows a gradual decline in sunshine, with November already dropping to 29%. This seasonal pattern suggests that while December may not offer much in the way of sunshine, it sets the stage for the beautiful but cloudy winter landscape characteristic of the region.
As December settles over Lausanne, Switzerland, daylight gently wanes to just 8 hours, marking the year's shortest days. This month stands in stark contrast to the long, sunlit hours of summer, where July and August enjoy a generous 15 hours of daylight. The gradual decrease in sunlight begins in late autumn, with November dipping back to 9 hours, and continues into the heart of winter. Despite the chill, the rhythm of nature persists, with daylight hours steadily increasing as the calendar flips to January, eventually leading to brighter, more vibrant months ahead. This cyclical dance of light signals a transition, reminding us that even in the darkest times, brightness will return.
In Lausanne, Switzerland, December ushers in the winter season with an average wind speed of 1.7 m/s (4 mph), which aligns with the gentle breezes typical of late autumn. This consistent wind speed has been a hallmark throughout the cold months, as January to March maintain similar averages, hinting at a stable atmospheric condition. Interestingly, the winds slightly taper off during the summer months, reaching their lowest speed in June at 1.4 m/s (3 mph), before gradually picking up again as the year winds down. The overall trend showcases a marked calmness in the summer, only to be replaced by a more buoyant presence as winter approaches, inviting both locals and visitors to appreciate the serene beauty of the season.
Weather in Lausanne varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Lausanne, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January present notable differences in weather, despite sharing similar humidity levels of 91%. In December, temperatures range from a minimum of -4°C (25°F) to a maximum of 13°C (55°F), with an average of 4°C (39°F). The month also experiences considerable precipitation, totaling 186 mm (7.3 in) over 17 days. In contrast, January sees colder temperatures, with a minimum of -7°C (20°F) and an average of 3°C (37°F), while the maximum slightly increases to 14°C (57°F). Precipitation decreases to 116 mm (4.6 in) over just 11 days, indicating a relatively drier month. For more specifics on January’s climate, you can visit Lausanne weather in January.
December and February present distinctly different weather patterns despite their proximity in the winter season. December experiences milder temperatures, with a minimum of -4°C (25°F) and a maximum of 13°C (55°F), while February is notably colder, with temperatures dipping to a minimum of -10°C (15°F) but reaching a pleasant maximum of 16°C (61°F). Precipitation is more pronounced in December, totaling 186 mm (7.3 in) over 17 days, compared to February's 93 mm (3.7 in) across just 11 days. Humidity levels are relatively high in both months, with December at 91% and February slightly lower at 89%. For a more detailed look, you can check out Lausanne weather in February.
December and March present contrasting weather patterns. In December, temperatures range from a chilly minimum of -4°C (25°F) to a mild maximum of 13°C (55°F), with an average of 4°C (39°F). This month sees considerable precipitation, totaling 186 mm (7.3 in) over 17 days, alongside high humidity levels of 91%. Conversely, March brings slightly warmer conditions, with temperatures ranging from a minimum of -9°C (17°F) to a maximum of 20°C (68°F), averaging at 6°C (43°F). Although March experiences less precipitation at 111 mm (4.4 in) across 14 days, humidity remains relatively high at 87%. For more detailed information on March weather, check out Lausanne weather in March.
December and April present stark contrasts in weather conditions. In December, temperatures range from a chilly -4°C (25°F) at night to a mild 13°C (55°F) during the day, with an average temperature of 4°C (39°F). This month is characterized by frequent rainfall, accumulating to 186 mm (7.3 in) over 17 days, alongside high humidity levels at 91%. In contrast, April features a more moderate climate, with nighttime lows of -2°C (28°F) and daytime highs reaching up to 24°C (76°F), leading to an average temperature of 9°C (49°F). Precipitation is significantly reduced to 59 mm (2.3 in) over just 9 days, and humidity is slightly lower at 84%. This transition from December's wet and cold atmosphere to April's warmer and drier conditions is a welcome change for many. For more details, check out Lausanne weather in April.
In December, the weather is significantly colder, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 13°C (55°F), while humidity remains high at 91%. This month experiences considerable precipitation, averaging 186 mm (7.3 in) over 17 days. In contrast, May welcomes milder temperatures, with lows of 1°C (34°F) and highs reaching up to 26°C (79°F) and an average of 12°C (55°F). The amount of rainfall decreases to 142 mm (5.6 in) over 15 days and humidity drops to 80%. For a detailed view of the beautiful weather you can expect in May, check out Lausanne weather in May.
December and June present a stark contrast in weather conditions. In December, temperatures can dip as low as -4°C (25°F), with an average of around 4°C (39°F) and reaching a maximum of 13°C (55°F), making it a chilly month overall. Precipitation is abundant, totaling 186 mm (7.3 in) over 17 days, accompanied by high humidity levels at 91%. In contrast, June sees a much warmer climate, with minimum temperatures around 8°C (47°F) and average highs soaring to 33°C (91°F). The month experiences significantly less rainfall, totaling 103 mm (4.1 in) over 13 days, and a somewhat lower humidity of 82%. For more specific insights on how June weather unfolds, you can visit Lausanne weather in June.
December and July present stark contrasts in weather characteristics. In December, temperatures typically range from a chilly -4°C (25°F) at their lowest to a mild 13°C (55°F) at their highest, averaging around 4°C (39°F). This month is marked by substantial precipitation, averaging 186 mm (7.3 in) over 17 days, accompanied by a high humidity level of 91%. In contrast, July enjoys much warmer conditions, with temperatures ranging from a minimum of 11°C (53°F) to a sizzling maximum of 34°C (94°F), averaging 19°C (67°F). Additionally, July experiences less precipitation, totaling 106 mm (4.2 in) over 13 days, and a somewhat lower humidity level of 82%. For a detailed look at the summer climate, you can check out Lausanne weather in July.
December and August present stark contrasts in weather patterns. In December, temperatures can dip as low as -4°C (25°F) and typically average around 4°C (39°F), offering a chilly environment marked by high humidity levels at 91%. The month also sees significant precipitation, with about 186 mm (7.3 in) over 17 days, leading to a damp atmosphere. In contrast, August boasts much warmer temperatures, ranging from a low of 9°C (48°F) to a comfortable average of 19°C (67°F), peaking at 31°C (89°F). This month experiences less rainfall, approximately 101 mm (4.0 in) over 11 days, and a lower humidity of 77%. For more details on this seasonal shift, check out Lausanne weather in August.
When comparing the weather in December and September, the differences are quite pronounced. December typically experiences colder temperatures, with averages around 4°C (39°F), and can plummet to a minimum of -4°C (25°F), while September boasts a much warmer average of 16°C (61°F) and highs reaching 27°C (81°F). Additionally, December is characterized by significantly higher precipitation, totaling 186 mm (7.3 in) over 17 days, in contrast to September's 75 mm (2.9 in) across just 11 days. The humidity levels also diverge slightly, with December averaging 91% and September at 81%. For a closer look at September's climate specifics, you can visit Lausanne weather in September.
In comparison to October, December experiences significantly colder temperatures, with averages ranging from a minimum of -4°C (25°F) to a maximum of 13°C (55°F), whereas October boasts a much milder temperature range from a minimum of 3°C (37°F) to a maximum of 23°C (74°F). Additionally, December sees a substantial increase in precipitation, totaling 186 mm (7.3 in) over 17 days, compared to October's 104 mm (4.1 in) over just 12 days. Humidity levels are quite similar, with December at 91% and October at 89%, but the overall dampness in December can make the cold feel even more biting. For more details on October weather, you can refer to Lausanne weather in October.
December weather is notably chillier than November, with average temperatures dropping from a mild 7°C (45°F) in November to just 4°C (39°F) in December. While November sees a maximum temperature of 17°C (63°F), December's highest only reaches 13°C (55°F). Additionally, December experiences significantly more precipitation, totaling 186 mm (7.3 in) over 17 days, compared to November's 98 mm (3.8 in) over 12 days. Humidity also rises slightly in December to 91%, compared to 89% in November. For more detailed insights, visit Lausanne weather in November.
As December blankets Lausanne in a cool embrace, the contrast with the milder months is unmistakable. With average temperatures hovering around 4°C, residents experience a noticeable chill compared to the comfortably warmer autumn months. Precipitation becomes more frequent, with rain or snow gracing around half the days, contributing to a high humidity average of 91%. This stark transition not only refreshes the landscape but also sets the stage for the festive season, making December a month of transformation and beauty. For a deeper insight into weather patterns, explore Lausanne Climate.