Last updated: February 26, 2025
In Heilbronn, Germany, December presents a chilly atmosphere with maximum temperatures peaking at 14°C (57°F), while the average hovers around 3°C (38°F). As the month progresses, temperatures can plummet to a minimum of -7°C (20°F), creating a wintery landscape that beckons cozy indoor activities. The region expects significant precipitation, accumulating to 130 mm (5.1 in) over approximately 19 days, contributing to the month's characteristic damp weather. With humidity levels reaching a high of 91%, residents are reminded to bundle up against the cold and embrace the season's festive spirit.
December in Heilbronn, Germany, marks a noticeable dip in temperatures as the year concludes. With minimums reaching -7°C (20°F), the chill of winter becomes evident, contrasting the milder days of late autumn. On average, daily temperatures hover around 3°C (38°F), making for brisk yet manageable conditions for outdoor activities and festive celebrations. The maximum temperatures settle at about 14°C (57°F), offering occasional breaks from the cold, inviting locals and visitors alike to explore the charming winter scenery. This transition into winter is a prelude to the frosty months ahead, as the city prepares for the colder January days.
December in Heilbronn, Germany, stands out for its significant increase in precipitation, totaling 130 mm (5.1 in) over 19 days—the highest monthly rainfall recorded for the year. This robust downpour marks a stark contrast to the previous months, particularly November, which only saw 51 mm (2.0 in) in 9 days. As winter settles in, the frequency and volume of rain in December hint at the transitional phase of the season, preparing the landscape for the chill of winter while also fostering a lush, albeit soggy, environment. This trend emphasizes the month as a time of replenishment, setting the stage for the year ahead.
In Heilbronn, Germany, December brings a return to the higher humidity levels of winter, with the humidity rising to 91%. This marks a notable increase from the drier atmosphere found in May, where humidity dipped to 79%. Throughout the year, humidity levels have shown a slight upward trend in the colder months, starting from January's 91% and gradually decreasing to February's 89% and onward through the spring. As the year progresses into autumn, humidity levels stabilize, with November returning to 89% before December's peak. This cyclical pattern underscores the city's tendency to embrace a moist winter climate, making December feel particularly humid and crisp as the year draws to a close.
As the year winds down, December in Heilbronn, Germany, marks a significant dip in the UV Index, dropping to a mere 1. This low rating signals minimal risk from solar UV exposure, allowing residents and visitors to enjoy the outdoor winter scenery with peace of mind. Interestingly, the UV Index trends observed throughout the year reveal a gradual increase from the low levels in winter, spiking to a very high rating of 8 during the summer months. In contrast, as December arrives, the burn time extends back to an ample 45 minutes, reminiscent of the protective measures needed in January and November. For more detailed insights, check out the complete Heilbronn UV Index.
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In Heilbronn, Germany, December brings a notable shift in daylight, with 143 hours of sunshine marking a significant reduction from the vibrant months preceding it. The year opens with limited sunlight in January at 125 hours, but as spring approaches, sunshine steadily increases, peaking in the summer months. July shines the brightest with 412 hours, showcasing the region's long, warm days. As the year winds down, the descent into winter is palpable, with sunshine dwindling in November and December, reflecting the colder temperatures and shorter days. Overall, the trend highlights a striking contrast between the sun-drenched summer and the subdued light of the winter months, inviting residents and visitors alike to embrace the cozy charm of Heilbronn during this time of year.
In Heilbronn, Germany, December heralds the onset of winter, bringing with it a notably low likelihood of sunny weather. With only a 15% chance of sunshine, it is one of the least sunny months of the year, following November's 18%. This drop in sun exposure is indicative of a broader trend as the cold months progress; as the year transitions from November to December, the likelihood of clear skies diminishes significantly. In contrast, earlier months like March and April enjoy a much higher sunshine probability of 44% and 46%, respectively. As residents cozy up for the holidays, the chances for sunny days fade, reminding us of winter’s chill where cloudy skies become the norm.
In Heilbronn, Germany, December marks the return to shorter days, with daylight lasting around 8 hours—a reflection of the seasonal shift towards winter. This trend of diminishing daylight hours begins as early as October, where the sun graces the skies with 10 hours, and continues to wane through November. As the winter solstice approaches, December finds the city at its lightest for the year, clashing with the longer days of spring and summer, when daylight stretches to a vibrant 16 hours in June. The cyclical nature of daylight throughout the year highlights a beautiful rhythm of changing seasons, inviting residents to cozy up indoors as they await the gradual return of longer days in the months to come.
In December, Heilbronn experiences a gentle average wind speed of 2.9 m/s (7 mph), slightly higher than the more tranquil winds of summer and autumn months. As the year winds down, this slight uptick showcases a seasonal shift from the calmest period in September with just 2.0 m/s (4 mph). Compared to the year's earlier months, notably the breezier May at 3.5 m/s (8 mph), December maintains a moderate flow, hinting at the transition into the harshness of winter without the extreme gusts. The overall trend shows that December's winds are consistent enough to encourage cozy gatherings indoors while still whispering reminders of the vibrant, swirling seasons just past.
The weather in Heilbronn changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Heilbronn and find detailed weather information for every month.
December in Heilbronn offers a fairly mild climate with average temperatures around 3°C (38°F) and a maximum of 14°C (57°F). The month tends to be rainy, featuring about 130 mm (5.1 in) of precipitation spread over 19 days, while humidity levels remain high at 91%. In contrast, January sees a drop in temperatures, with a minimum of -13°C (8°F) and a slightly lower average of 2°C (35°F). Precipitation decreases to 80 mm (3.1 in) over 12 days, yet the humidity remains consistent at 91%. For a detailed look at the conditions, check out Heilbronn weather in January.
December and February exhibit notable differences in weather patterns. In December, the temperatures fluctuate from a minimum of -7°C (20°F) to a maximum of 14°C (57°F), with an average temperature around 3°C (38°F). The month experiences a relatively high precipitation of 130 mm (5.1 in) over 19 days, accompanied by a humidity level of 91%. In contrast, February is colder, with minimum temperatures dropping to -12°C (12°F) and maximums reaching up to 19°C (66°F), resulting in an average temperature of 4°C (39°F). Precipitation is lower in February at 74 mm (2.9 in) over just 11 days, and humidity remains slightly less at 89%. For more detailed weather insights, visit Heilbronn weather in February.
December and March present stark contrasts in weather conditions, showcasing the transition from winter to early spring. In December, temperatures range from a minimum of -7°C (20°F) to a maximum of 14°C (57°F), with an average of 3°C (38°F). The month experiences considerable precipitation of 130 mm (5.1 in) over 19 days, accompanied by high humidity levels at 91%. In contrast, March sees slightly colder minimum temperatures of -11°C (13°F), but a warmer average of 6°C (43°F) and a maximum reaching 22°C (72°F). Precipitation decreases to 91 mm (3.6 in) over 14 days, with humidity also slightly lower at 87%. This comparison highlights the gradual warming and diminishing precipitation as winter gives way to spring. For more details on the weather specifics, you can check Heilbronn weather in March.
When comparing the weather in December and April, we see a notable shift in temperatures and precipitation patterns. December typically experiences colder conditions with minimum temperatures dropping to -7°C (20°F) and an average of 3°C (38°F), while April warms up significantly with an average temperature of 10°C (50°F) and a maximum reaching 27°C (80°F). Additionally, December is characterized by higher precipitation, totaling 130 mm (5.1 in) over 19 days, compared to April's much lighter 37 mm (1.5 in) spread over just 9 days. Humidity also sees a slight decrease from December’s 91% to April’s 83%, indicating a shift towards drier conditions as spring approaches. For more detailed information, you can check Heilbronn weather in April.
December and May present stark contrasts in weather conditions. In December, temperatures can plunge to a chilling minimum of -7°C (20°F), with an average of just 3°C (38°F), and a maximum reaching 14°C (57°F). This month also sees significant precipitation, totaling around 130 mm (5.1 in) over 19 days, accompanied by high humidity levels averaging 91%. In contrast, May brings a more comfortable climate, with temperatures ranging from a minimum of -1°C (30°F) to a warm maximum of 30°C (87°F) and an average of 14°C (57°F). Rainfall is less frequent, with a total of 85 mm (3.3 in) spread over 14 days and lower humidity at 79%. For more detailed information on the weather in May, you can refer to Heilbronn weather in May.
December and June present starkly contrasting weather conditions. In December, temperatures can drop to a chilly minimum of -7°C (20°F), with an average of 3°C (38°F) and a maximum reaching only 14°C (57°F). The month is characterized by significant precipitation, totaling 130 mm (5.1 in) across 19 days, and high humidity at 91%. In contrast, June boasts much milder temperatures, starting at a minimum of 7°C (44°F), averaging 19°C (66°F), and soaring to a maximum of 34°C (94°F). Precipitation in June is less frequent, amounting to 85 mm (3.4 in) over just 12 days, and humidity is slightly lower at 82%. For a closer look at the June climate specifics, visit Heilbronn weather in June.
December and July present stark contrasts in weather conditions. In December, temperatures can drop to a chilly minimum of -7°C (20°F), with an average of 3°C (38°F) and a maximum of 14°C (57°F). This month also sees significant precipitation, averaging 130 mm (5.1 in) over 19 days, accompanied by high humidity levels at 91%. On the other hand, July experiences much warmer temperatures, with minimums around 7°C (45°F) and an average of 20°C (68°F), reaching up to a sweltering 36°C (97°F). Precipitation in July is notably lower at 67 mm (2.6 in) over just 12 days, and humidity is slightly less, at 83%. For more detailed insights, you can check Heilbronn weather in July.
December and August present contrasting weather experiences. In December, temperatures can plummet to a minimum of -7°C (20°F) and average around 3°C (38°F), while peaking at a maximum of 14°C (57°F). This month also sees significant precipitation, averaging 130 mm (5.1 in) over 19 days, accompanied by high humidity at 91%. In contrast, August boasts much warmer temperatures, ranging from a minimum of 6°C (43°F) to a maximum of 35°C (95°F), with an average of 20°C (68°F). Precipitation in August is notably lower, at 65 mm (2.6 in) over just 13 days, and the humidity level is somewhat lower at 84%. For more detailed weather information, check out Heilbronn weather in August.
December and September present contrasting weather patterns. In December, temperatures range from a chilly -7°C (20°F) at night to a mild 14°C (57°F) during the day, with an average of 3°C (38°F). This month is characterized by high humidity at 91% and considerable precipitation, totaling 130 mm (5.1 in) over 19 days. In stark contrast, September boasts much warmer temperatures, with nighttime lows of 3°C (38°F) and daytime highs reaching up to 31°C (88°F), averaging 15°C (60°F). Additionally, September experiences significantly less precipitation at 51 mm (2.0 in) over just 9 days and slightly lower humidity at 85%. For a detailed look at the weather specifics, you can visit Heilbronn weather in September.
When comparing the weather in December to that in October, notable differences emerge in temperature and precipitation patterns. December experiences colder temperatures, with a minimum of -7°C (20°F) and an average of just 3°C (38°F), while October enjoys relatively milder conditions, showcasing a minimum of -1°C (31°F) and an average of 11°C (52°F). Additionally, October sees a maximum temperature of 25°C (77°F), significantly higher than December's maximum of 14°C (57°F). In terms of precipitation, December is wetter, receiving 130 mm (5.1 in) over 19 days compared to October's 75 mm (3.0 in) over 12 days. This results in December being more humid, with an average humidity of 91%, compared to October's 88%. For more detailed information on October weather, you can visit Heilbronn weather in October.
December weather is typically colder and wetter than November in Heilbronn. While November sees a milder range with average temperatures peaking at 21°C (71°F) and lows around -3°C (27°F), December's temperatures dip, averaging 3°C (38°F) with maximums reaching only 14°C (57°F). The increase in precipitation is notable, with December receiving 130 mm (5.1 in) spread over 19 days compared to November's 51 mm (2.0 in) over just 9 days. Humidity levels are also slightly higher in December at 91%, compared to 89% in November, contributing to a chillier atmosphere. For more details on November's weather, visit Heilbronn weather in November.
As December settles over Heilbronn, the weather transforms into a cool, damp experience that starkly contrasts the mildness of preceding months. With temperatures dipping significantly lower, the month brings a chill in the air, often accompanied by persistent rainfall that can make it feel even colder. The high humidity only amplifies this sensation, creating a damp atmosphere that is less common in the autumn months. While the festive spirit of the season prevails, it’s essential to dress warmly when exploring the beautiful winter landscapes. For a deeper understanding of the year-round conditions, explore the details at Heilbronn Climate.