Last updated: August 27, 2025
In Porrentruy, Switzerland, December reveals a chilly climate characterized by a maximum temperature of 13°C (57°F) and an average of 3°C (37°F), dipping to a minimum of -7°C (20°F) at night. This month witnesses considerable precipitation, with an average of 157 mm (6.2 in) falling over 20 days, creating a rather wet atmosphere. The high humidity levels of 91% contribute to a crisp and wintry ambiance, perfect for enjoying the enchanting December scenery.
In December, Porrentruy, Switzerland, embraces the chill of winter as temperatures range from a minimum of -7°C (20°F) to a maximum of 13°C (57°F). The average temperature settles at 3°C (37°F), marking a transition from the milder autumn months. This noticeable drop signifies the arrival of winter's grip, with the coldest temperatures dipping just below zero, reflecting a trend of increasingly frigid conditions as the year draws to a close. Despite the chill, December offers a magical atmosphere, perfect for enjoying the festive season against the backdrop of beautiful Swiss landscapes.
December brings a significant increase in precipitation to Porrentruy, Switzerland, with 157 mm (6.2 in) of rain falling over the month, making it the wettest month of the year. This spike in rainfall is also marked by an uptick in precipitation days, soaring to 20 days, which adds to the wintery ambiance of the season. Compared to the preceding months, December stands out not only for its volume of rain but also for the frequency of wet days, reinforcing the notion that the holiday season in Porrentruy is often accompanied by a persistent drizzle. As temperatures drop, this combination of elevated precipitation and increased wet days signals the perfect backdrop for cozy gatherings and festive celebrations indoors, while offering a refreshing view of the snow-dusted landscape outside.
As December approaches in Porrentruy, Switzerland, residents experience a notable shift in humidity levels, which climb back to 91%, mirroring the dampness of January. This rise in moisture marks a continuation of the trend observed through the late autumn months, where November also recorded a humidity of 89%. Throughout the year, humidity levels generally exhibit a decline from the year’s peak in the winter months, with the lowest point occurring in August at 77%. However, as winter deepens, the moisture returns, creating a cozy yet chilly atmosphere. The consistent pairing of winter months with higher humidity not only underscores the seasonal transition but also shapes the unique charm of this Swiss locale.
In December, Porrentruy experiences a significant drop in UV exposure, with the UV Index standing at a low 1. This marks a continuation of the decreasing trend observed since summer, where the index reached a peak of 9 in both June and July. As daylight wanes and temperatures cool, residents can enjoy longer burn times of approximately 45 minutes without the risk of sunburn, making it an excellent time for outdoor activities without the need for extensive sun protection. As winter settles in, the moderate to high UV levels of the preceding months give way to a much gentler sun, reinforcing the importance of adjusting sun safety practices accordingly. For more detailed information, visit Porrentruy UV Index.
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As December arrives in Porrentruy, Switzerland, the days become noticeably shorter, with the sun gracing the town for 157 hours—a gentle decline from the vibrant 416 hours of sunshine in July. This month marks a shift towards winter's embrace, as the hours of daylight gradually fade from the autumnal highs of October and November, showcasing the natural ebb and flow of the seasons. Despite the diminishing sunlight, December's charm lies in its crisp air and festive atmosphere, inviting residents to enjoy cozy gatherings and winter festivities amidst the subtle glow of sunlight peeking through the frosty landscape.
In Porrentruy, Switzerland, December brings a modest 26% chance of sunny weather, marking a slight dip from November’s 25%. This decline is part of a broader trend seen throughout the winter months, where the likelihood of sunshine generally wanes. As the year progresses from January's 17% to the sunnier days of spring—with April peaking at 54%—the contrast becomes clear. While December may not be the sunniest month, it perfectly encapsulates the tranquil beauty of winter, making it an ideal time for cozy indoor activities, as residents eagerly await the brighter days ahead.
In Porrentruy, Switzerland, December ushers in shorter days with only 8 hours of daylight, mirroring the year’s opening month of January. This seasonal dip highlights a gradual decrease from the robust 15 hours experienced in May and June, where daylight reaches its peak. As the year progresses from the long summer days into autumn, daylight diminishes steadily, tapering down to 10 hours in October and then to 9 hours in November. While many may yearn for the sun-drenched days of summer, the cyclic ebb and flow of daylight reminds us of the beauty of each season's unique rhythm. As we close the year under December's twilight, it serves as a gentle prelude to the longer days awaiting us in the new year ahead.
As December arrives in Porrentruy, the breeze picks up slightly, with an average wind speed of 2.9 m/s (7 mph), marking a notable increase from the calmer months that preceded it. This shift hints at the onset of winter, as the winds gust with a crispness that invigorates the senses, evoking a sense of seasonal change. While summer months saw the gentlest of whispers, descending to a low of 1.9 m/s (4 mph) in June, the approach of the colder season brings a subtle return of vigor to the air. As a transition from November’s light breezes at 2.4 m/s (5 mph), December prepares Porrentruy for the chillier days ahead, reminding residents that while the weather may be cooling down, the winds are certainly making their presence felt. This gradual uptick in wind speeds encapsulates the essence of winter’s arrival, blending tranquility with a brisk energy that characterizes the season.
Weather in Porrentruy varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Porrentruy, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January exhibit notable differences in weather patterns, although both months share high humidity at 91%. December tends to be milder, with average temperatures around 3°C (37°F), while January sees a drop in the minimum temperature to -13°C (8°F) and an average of just 1°C (34°F). Precipitation is more frequent in December, totaling 157 mm over 20 days, compared to 113 mm over 13 days in January. Despite the colder temperatures, January’s maximum can reach 14°C (58°F), closely mirroring December’s highs. For more specific insights into January's climate, check out Porrentruy weather in January.
In December, temperatures in Porrentruy typically range from a chilly -7°C (20°F) to a mild 13°C (57°F), with an average of 3°C (37°F). The month experiences considerable precipitation, amounting to 157 mm (6.2 in) over approximately 20 days, and a high humidity of 91%. In contrast, February sees slightly colder minimum temperatures dipping to -13°C (9°F), but averages a bit higher at 4°C (39°F) and can peak at 18°C (64°F). Precipitation decreases to 95 mm (3.7 in) over around 12 days, accompanied by a slightly lower humidity of 89%. For more detailed insights, check out Porrentruy weather in February.
December and March exhibit distinct weather patterns, with March generally experiencing milder temperatures compared to the colder December. In December, temperatures range from a minimum of -7°C (20°F) to a maximum of 13°C (57°F), while March sees a wider range from -12°C (10°F) to 21°C (70°F), with an average of 6°C (43°F). Additionally, December is marked by higher precipitation levels of 157 mm (6.2 in) over 20 days, compared to March's 108 mm (4.2 in) across 15 days. Humidity levels are also slightly lower in March at 87%, compared to December's 91%. For more insights on the weather during this time, you can check out Porrentruy weather in March.
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), and an average of 3°C (37°F). The month experiences significant precipitation of 157 mm (6.2 in) over 20 days, accompanied by high humidity levels at 91%. In contrast, April brings a noticeable shift toward milder temperatures, with a minimum of -4°C (25°F) and a maximum of 26°C (79°F), averaging around 10°C (50°F). Precipitation decreases to 63 mm (2.5 in) spread over just 10 days, and humidity drops slightly to 84%. For more detailed insights on the weather in April, you can check Porrentruy weather in April.
December and May showcase a striking contrast in weather conditions. December experiences much colder temperatures, ranging from a minimum of -7°C (20°F) to a maximum of 13°C (57°F), accompanied by high humidity at 91%. With an average of 20 days of precipitation totaling 157 mm (6.2 in), it often feels quite dreary. In contrast, May warms up significantly, with temperatures varying from a minimum of 0°C (32°F) to a pleasant maximum of 30°C (85°F). This month sees lower humidity at 80%, and features slightly less precipitation, with 144 mm (5.7 in) over 17 days. For a detailed look at the weather during this vibrant spring month, visit Porrentruy weather in May.
In December, weather conditions are notably colder, with minimum temperatures dropping to -7°C (20°F) and an average of just 3°C (37°F). The month experiences significant precipitation, totaling 157 mm (6.2 in) over about 20 days, accompanied by high humidity levels at 91%. In contrast, June boasts milder and more pleasant weather, with minimums starting at 5°C (41°F) and an average temperature rising to 18°C (65°F), peaking at a warm 34°C (93°F). While June also sees some rain, it amounts to 126 mm (5.0 in) over 16 days and has a slightly lower humidity of 82%. For more detailed insights, check out Porrentruy weather in June.
The weather in December presents a stark contrast to that of July. In December, temperatures can dip as low as -7°C (20°F), while the average hovers around 3°C (37°F), peaking at 13°C (57°F). This month also experiences significant precipitation, with 157 mm (6.2 in) spread over 20 days and high humidity at 91%. In comparison, July enjoys much warmer temperatures, with a minimum of 8°C (46°F) and an average of 20°C (67°F), reaching up to 36°C (97°F). Precipitation is lower, totaling 115 mm (4.5 in) over 14 days, alongside slightly reduced humidity at 82%. For more insights on July weather, check out Porrentruy weather in July.
December and August present contrasting weather conditions in Porrentruy. In December, temperatures can dip as low as -7°C (20°F), with an average of 3°C (37°F) and highs reaching up to 13°C (57°F). The month sees significant precipitation, totaling 157 mm (6.2 in) over approximately 20 days, accompanied by high humidity at 91%. Conversely, August boasts much warmer temperatures, with a minimum of 6°C (43°F), an average of 19°C (67°F), and maximums soaring to 35°C (95°F). Though it experiences slightly less rainfall—110 mm (4.3 in) over 15 days—humidity is notably lower at 77%. This stark contrast underscores the seasonal variations in Porrentruy's climate. For more details, check out Porrentruy weather in August.
In December, the weather turns significantly colder compared to September, with temperatures ranging from a frigid -7°C (20°F) to a mild maximum of 13°C (57°F). December also sees average precipitation of 157 mm (6.2 in) over about 20 days, contributing to a high humidity level of 91%. In contrast, September enjoys much milder conditions, with temperatures varying from a minimum of 2°C (36°F) to a comfortable maximum of 30°C (86°F), accompanied by comparatively lower precipitation of 72 mm (2.8 in) spread over just 10 days and a humidity level of 81%. For more detailed information about September weather, you can visit Porrentruy weather in September.
December weather in Porrentruy is significantly colder than October, with average temperatures ranging from a minimum of -7°C (20°F) to a maximum of 13°C (57°F), compared to October's milder range of -1°C (31°F) to 24°C (75°F). Additionally, December experiences more precipitation, totaling 157 mm (6.2 in) over roughly 20 days, whereas October sees a lighter rainfall of 100 mm (3.9 in) across 13 days. The humidity remains high in both months, with December slightly higher at 91% compared to October's 89%. For more detailed information, check out Porrentruy weather in October.
In comparing the weather between November and December, it's clear that December is colder and wetter. In December, temperatures range from a minimum of -7°C (20°F) to a maximum of 13°C (57°F), averaging around 3°C (37°F). This contrasts with November, where the minimum temperature is -3°C (26°F) and can reach up to 20°C (68°F), averaging at 5°C (41°F). Additionally, December sees significantly more precipitation, totaling 157 mm (6.2 in) over about 20 days, compared to November's 88 mm (3.4 in) across 13 days. The humidity also rises slightly in December, averaging 91%, compared to November's 89%. For a detailed view of November's weather, you can check Porrentruy weather in November.
As December settles over Porrentruy, the cold grip of winter becomes undeniable, bringing with it a significant drop in temperatures compared to the milder months preceding it. With average temperatures hovering around 3°C and frequent plunges to -7°C, the crispness in the air is complemented by an increase in precipitation, totaling 157 mm over approximately 20 days. This month is marked by a high humidity level of 91%, creating a raw and chilly atmosphere typical of winter in the region. For anyone curious about the yearly cycle of weather patterns in Porrentruy, further insights can be found at Porrentruy Climate.