Last updated: August 27, 2025
December in Solothurn, Switzerland presents a charming winter landscape marked by chilly temperatures and frequent precipitation. The maximum temperature hovers around 13°C (57°F), while the average drops to a brisk 2°C (36°F), dipping as low as -7°C (20°F) on cooler days. Residents and visitors should brace for wet weather, with approximately 130 mm (5.1 in) of rain spread over 19 days in the month. The high humidity level of 91% adds to the crisp atmosphere, making December a picturesque yet brisk time to experience Solothurn's winter beauty.
In December, Solothurn experiences a notable shift into winter, with temperatures dipping significantly compared to the milder months preceding it. The month showcases a minimum temperature of -7°C (20°F), presenting a crisp chill that blankets the town. On average, residents can expect around 2°C (36°F), offering a bite that necessitates cozy layers, while the maximum temperature reaches up to 13°C (57°F)—a reminder of the seasonal transition. This trend illustrates a distinct drop from the somewhat warmer November, underscoring the arrival of winter's embrace. As the year draws to a close, Solothurn's December climate invites festive cheer, making it a picturesque time for seasonal celebrations amidst the frosty backdrop.
In December, Solothurn, Switzerland experiences a notable uptick in precipitation, with 130 mm (5.1 in) recorded over the month, making it one of the wetter periods of the year. This increase is accompanied by 19 days of rain, the highest number of precipitation days across all months. Compared to previous months like October and November, which saw 102 mm and 79 mm, respectively, December stands out not only in terms of total rainfall but also in frequency, signaling a significant shift towards a wetter winter. As the year draws to a close, the consistent precipitation likely contributes to the region's lush landscapes, setting a tranquil but vibrant tone for the holiday season.
In Solothurn, Switzerland, December brings a notable increase in humidity, mirroring the conditions of January, with both months sitting at an impressive 91%. This trend highlights a remarkable consistency in winter's moist grip, as December’s humidity aligns with the early winter months. Following a gradual decline from a peak in early summer when humidity levels hovered around 77% in August, the year wraps up with the air feeling notably dense again. While late autumn months like October and November maintain higher humidity levels, averaging 89%, it’s December that closes the year with a return to the winter norm, creating a refreshing chill in the atmosphere that characterizes Solothurn's seasonal transition.
As December unfolds in Solothurn, Switzerland, the UV Index settles at a low level of 2, mirroring the values seen in January and November. This consistent trend indicates that sun exposure during this month is relatively safe, with a burn time of 45 minutes before any risk of skin damage occurs. While spring and summer months witness a surge in UV intensity, with peaks hitting 9, the closing month of the year offers a reprieve for outdoor enthusiasts, making it a great time to enjoy the scenic winter landscapes. For more detailed information, check out the Solothurn UV Index.
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In Solothurn, Switzerland, December brings a gentle decline in sunlight, with the month averaging 185 hours. This decrease follows a remarkable summer, peaking in July with 417 hours of radiant sunshine. As the year transitions from the vibrant April days with 357 hours, to the crisp winter chill, the gradual shift in daylight reflects nature's rhythm. Notably, the sun's presence lingers longer in the early months, with January showcasing 161 hours, before reviving again in February. This trend creates a picturesque backdrop for the festive season, where the warmth of holiday celebrations contrasts beautifully with the serene, shorter days of winter.
In Solothurn, Switzerland, the likelihood of sunny weather in December stands at a modest 26%, reflecting a slight uptick from the previous month but still indicating a predominantly overcast season. This trend highlights a gradual increase in sunshine as the year progresses, peaking in spring when April boasts a cheerful 49% chance. However, as winter rolls in, the sunny days become scarcer, with December presenting one of the lowest probabilities of clear skies. Despite this, the scene unfolds with the enchanting charm of winter, where the rare sunlit moments can still bring warmth to the chilly atmosphere.
In Solothurn, Switzerland, the pattern of daylight duration reveals a rhythmic shift throughout the year, peaking in the vibrant months of May to July when residents bask in a generous 15 hours of sunlight each day. As summer gracefully transitions into autumn, daylight begins to wane, dropping to 12 hours in September and further to 10 hours in October. The descent continues into the heart of winter, where December mirrors January's shorter days with just 8 hours of daylight. This cyclical daylight experience emphasizes the stark contrast between the long, sun-drenched days of mid-year and the cozy, dimmed atmosphere of the winter months, inviting the community to embrace both the vibrant energy of summer and the tranquil beauty of winter's twilight.
As December arrives in Solothurn, Switzerland, the wind begins to pick up slightly, averaging 2.4 m/s (5 mph), a refreshing breeze that feels invigorating in the crisp winter air. Compared to the preceding months, where wind speeds lingered around 2.1 to 2.2 m/s (5 mph) in November and February, this increase marks a trend of rising winds as the year comes to a close. Despite the chill of December, the wind here remains relatively gentle, maintaining the calm that characterizes the region during the winter months. Overall, the seasonal shift brings a delightful balance, transitioning from the lighter breezes of summer to a slightly more robust wind that enlivens the tranquil ambiance of Solothurn.
Weather in Solothurn varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Solothurn, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather sees a moderate range of temperatures, with minimums around -7°C (20°F) and maximums reaching 13°C (57°F), averaging 2°C (36°F). The month is quite wet, featuring 130 mm (5.1 in) of precipitation over 19 days, while the humidity remains high at 91%. In contrast, January experiences colder conditions, with temperatures dropping to a minimum of -13°C (9°F) and averaging 1°C (33°F), but allows for slightly warmer maximums at 16°C (61°F). Precipitation decreases to 97 mm (3.8 in) across 13 days, yet the humidity remains consistent at 91%. For more detailed insights into January weather, you can visit Solothurn weather in January.
December weather is characterized by relatively mild temperatures, with a minimum of -7°C (20°F) and an average of 2°C (36°F), peaking at 13°C (57°F). The month sees considerable precipitation, totaling 130 mm (5.1 in) over 19 days, alongside high humidity levels at 91%. In contrast, February experiences slightly colder temperatures, with a minimum of -11°C (13°F) and an average of 3°C (38°F), but it can reach a maximum of 18°C (64°F). Precipitation is notably lower at 80 mm (3.1 in) spread over 12 days, and humidity remains relatively high at 89%. For a detailed look at February weather, visit Solothurn weather in February.
December and March present contrasting weather patterns, with December generally being colder and wetter. In December, temperatures range from a minimum of -7°C (20°F) to a maximum of 13°C (57°F), accompanied by an average of 2°C (36°F). The month sees significant precipitation, totaling 130 mm (5.1 in) over 19 days, and a high humidity level of 91%.
In contrast, March experiences a broader temperature range, with lows of -13°C (9°F) and highs reaching 21°C (69°F), resulting in a warmer average of 6°C (42°F). Precipitation in March decreases to 97 mm (3.8 in) over 16 days, and humidity drops slightly to 87%. For more details on March weather, you can check Solothurn weather in March.
In December, the weather is notably colder, with average temperatures around 2°C (36°F) and nighttime lows dipping to -7°C (20°F). The month experiences a higher level of precipitation, totaling 130 mm (5.1 in) over 19 days, coupled with a high humidity of 91%. In contrast, April brings a noticeable shift, featuring milder temperatures with an average of 9°C (49°F) and highs reaching up to 25°C (78°F). Precipitation is less frequent in April, totaling 69 mm (2.7 in) over just 12 days, and humidity levels decrease slightly to 84%. For more details on the changing weather in this month, you can check Solothurn weather in April.
December and May showcase significant differences in weather patterns. In December, temperatures are considerably colder, with a minimum of -7°C (20°F) and an average of 2°C (36°F), while May experiences milder conditions, with lows of -1°C (31°F) and an average of 13°C (55°F). Precipitation levels are somewhat comparable, with December receiving 130 mm (5.1 in) over 19 days, and May slightly wetter at 149 mm (5.9 in) over just 18 days. Humidity is noticeably higher in December at 91%, compared to 80% in May, contributing to a distinctly chilly feel during the winter month. For more detailed comparisons, you can visit Solothurn weather in May.
In December, the weather is characterized by colder temperatures, with an average of 2°C (36°F), dipping down to a minimum of -7°C (20°F) at times. The month experiences significant precipitation, totaling 130 mm (5.1 in) over 19 days, coupled with high humidity levels at 91%. In contrast, June brings much warmer conditions, with average temperatures reaching 18°C (65°F) and highs soaring up to 34°C (93°F). The month sees slightly more precipitation at 134 mm (5.3 in), but it occurs over fewer days (17), and humidity is lower at 82%. For a more detailed look at June's weather patterns, you can check out Solothurn weather in June.
In December, the weather is much colder, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 13°C (57°F), averaging around 2°C (36°F). This month experiences significant precipitation, with about 130 mm (5.1 in) spread over 19 days and high humidity levels at 91%. In contrast, July boasts milder temperatures, with a minimum of 8°C (47°F) and a maximum that can reach up to 35°C (95°F), averaging a comfortable 19°C (67°F). July also sees slightly higher precipitation at 140 mm (5.5 in), but over fewer days (15), and lower humidity at 82%. For more details, check Solothurn weather in July.
When comparing the weather in December and August, one can observe significant differences in temperature and humidity. December experiences much colder conditions, with average temperatures hovering around 2°C (36°F) and dropping to a minimum of -7°C (20°F), while August enjoys a much warmer climate with an average of 19°C (66°F) and highs reaching 33°C (91°F). Precipitation is more frequent in December, falling on about 19 days with a total of 130 mm (5.1 in), compared to August, which sees 145 mm (5.7 in) of rain across 17 days. Additionally, the humidity in December is notably higher at 91%, contrasted with August's 77%. For more details on summer conditions, you can check Solothurn weather in August.
December and September present notably different weather patterns. In December, temperatures can drop to a minimum of -7°C (20°F), with an average of around 2°C (36°F) and a maximum of 13°C (57°F). This month experiences significant precipitation, averaging 130 mm (5.1 in) over 19 days, accompanied by high humidity at 91%. Conversely, September enjoys milder conditions, where temperatures range from a minimum of 2°C (35°F) to an average of 15°C (59°F), peaking at 29°C (84°F). The month sees less precipitation, totaling 77 mm (3.0 in) across 12 days, and a slightly lower humidity level of 81%. For more details on the weather during this time, you can check Solothurn weather in September.
December and October exhibit notable differences in weather characteristics. October generally enjoys milder temperatures, with averages around 10°C (50°F) and maximums reaching up to 23°C (73°F), while December is much cooler, featuring an average temperature of 2°C (36°F) and highs only reaching 13°C (57°F). Precipitation is more frequent in December, occurring on 19 days and totaling 130 mm (5.1 in), compared to October's 14 days and 102 mm (4.0 in). Additionally, December's humidity is slightly higher at 91%, compared to October's 89%. For a closer look at October's weather, check out Solothurn weather in October.
December weather is typically colder and wetter compared to November. In December, temperatures range from a minimum of -7°C (20°F) to a maximum of 13°C (57°F), with an average of 2°C (36°F). This contrasts with November, where the temperatures are milder, with a minimum of -5°C (24°F) and a maximum of 20°C (68°F), averaging at 4°C (40°F). Additionally, December receives more precipitation at 130 mm (5.1 in) over 19 days, compared to November's 79 mm (3.1 in) across 13 days. Humidity remains relatively high in both months, with December at 91% and November at 89%. For more details about the weather in November, you can visit Solothurn weather in November.
As December settles over Solothurn, the city transforms under the influence of colder temperatures and increased moisture, setting it apart from the milder months of the year. With an average around 2°C, the chill in the air becomes more pronounced, and residents can expect frequent precipitation, totaling about 130 mm over approximately 19 days. This significant humidity of 91% amplifies the wintry feel, creating a cozy atmosphere perfect for holiday celebrations. Those looking to understand how December’s weather uniquely contributes to Solothurn’s charm can find more information at Solothurn Climate.