Last updated: February 26, 2025
December in Mannheim, Germany, presents a chilly, yet captivating atmosphere as temperatures range from a brisk maximum of 15°C (59°F) to a minimum of -6°C (21°F). With an average temperature of 4°C (40°F), the month signifies the onset of winter, characterized by high humidity at 91% and frequent precipitation. Residents and visitors can expect approximately 104 mm (4.1 in) of rain spread over 18 days, creating a misty charm throughout the city. Whether you're exploring the festive markets or enjoying the picturesque winter scenery, December offers a unique experience filled with seasonal wonder.
In December, Mannheim experiences a transition into winter, with temperatures ranging from a chilly -6°C (21°F) at their lowest to a more moderate 15°C (59°F) at their peak. The average temperature hovers around 4°C (40°F), reflecting the city’s cool demeanor as it moves deeper into the colder months. Compared to the preceding months, December sees a notable drop, particularly when juxtaposed with the milder climates of November. This month serves as a gentle precursor to harsher winter conditions, pushing the minimum temperatures further downward while maintaining a reasonable maximum, making it a time to bundle up and embrace the cozy charm of Mannheim's winter festivities.
In Mannheim, Germany, December marks a notable shift in weather patterns, characterized by significantly increased precipitation. With an impressive total of 104 mm (4.1 in), December stands out as the wettest month of the year, reflecting a dramatic uptick compared to the preceding months. This surge in moisture is underscored by the 18 rainy days, the highest frequency throughout the year, suggesting that residents should brace for a particularly gloomy and damp end to the year. As temperatures drop and daylight wanes, the increase in precipitation can transform the cityscape, enveloping Mannheim in a soft blanket of winter wetness that sets the stage for the colder months ahead.
In Mannheim, Germany, December is marked by a notable increase in humidity, reaching 91%, which aligns with the wetter winter months of the year. As the seasons change, there is a clear trend of rising humidity levels from the drier spring months—where humidity dips to 79% in May—to the end of the year. The transition from November's 89% to December’s peak emphasizes the return of moisture-laden air as temperatures drop. This pattern illustrates how winter influences local climate conditions, leading to a more humid atmosphere just as the year draws to a close, ensuring Mannheim remains enveloped in a blanket of damp chill typical of the season.
In December, Mannheim experiences a low UV Index of 1, indicating minimal risk from sun exposure. With a burn time of 45 minutes, residents and visitors can enjoy outdoor activities with little concern for skin damage. This trend marks a continuation of the cooler months, where UV levels are significantly lower compared to the summer peak months of May through July, which saw very high UV readings of 8. As the year winds down, the gradual decline in UV exposure highlights the importance of being mindful of sun safety in sunnier months, while December allows for a more relaxed approach to sun exposure. For more detailed information, visit the Mannheim UV Index.
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As December descends upon Mannheim, the city experiences a gentle tapering of daylight, with only 134 hours of sunshine illuminating the month. While this marks the end of the year, it's noteworthy to consider the broader context of the annual sunshine trend in the region. Starting from a modest 118 hours in January, the sunshine steadily increases until reaching a peak of 414 hours in July, showcasing the vibrant summer months. However, as autumn unfolds, the hours wane, reflecting nature’s rhythm—September records 322 hours, followed by a dip to 182 hours in November. December's figures echo this seasonal ebb, hinting at the cozy, cozy indoors culture that thrives during the chillier months while we eagerly await the sun's return in the new year.
In Mannheim, Germany, the likelihood of sunny weather in December is notably low, with a mere 16% chance of sun. This marks a significant decline when compared to the milder months leading up to winter, where March and April enjoy a 46% and 48% probability, respectively. As the year progresses into the colder months, sunshine becomes increasingly scarce, with November seeing only a 20% chance before December settles into its gray, overcast conditions. This trend underscores the seasonal transition, where sun-seeking individuals would do well to brace for a drier sky rather than expect the bright rays typical of spring and early autumn.
In Mannheim, Germany, December brings daylight durations down to a modest 8 hours, mirroring the conditions of January. As the year progresses from the stark days of winter to the longer, sunlit hours of summer, daylight steadily increases, peaking at an impressive 16 hours in June. Following the summer solstice, the trend reverses, leading into a gradual decline as daylight diminishes back to 8 hours in December. This cyclical nature emphasizes the rhythm of seasons, with each month contributing to a dynamic and changing landscape of light, highlighting Mannheim's picturesque and seasonal charm.
As December arrives in Mannheim, Germany, it blends the chill of winter with a gentle breeze, averaging 2.8 m/s (6 mph), slightly above the calm of earlier months. This uptick follows a trend established in the transition from late autumn, where wind speeds hovered around 2.4 m/s (5 mph) in November. Interestingly, while winter winds are typically expected to whip up, December's breeziness offers a sense of stillness, as it remains milder than the gusts of late spring, which peaked at 3.5 m/s (8 mph) in May. This pattern reveals a unique rhythm in Mannheim's climate, where the end of the year invites a refreshing yet subdued wind that perfectly complements the festive spirit of the season.
The weather in Mannheim 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 Mannheim and find detailed weather information for every month.
In December, the weather experiences a wider temperature range, with a minimum of -6°C (21°F) and a maximum of 15°C (59°F), leading to an average of 4°C (40°F). This month also sees more precipitation, totaling 104 mm (4.1 in) over 18 days, while maintaining a high humidity level of 91%. In contrast, January is colder, with a minimum temperature dropping to -10°C (14°F) and an average of 3°C (37°F), but it features slightly milder maximum temperatures of 14°C (57°F). The precipitation decreases to 60 mm (2.4 in) over only 13 days, yet the humidity remains consistent at 91%. For more detailed weather information, you can visit Mannheim weather in January.
When comparing the weather in December and February, one can observe a slight dip in temperatures and a reduction in precipitation during February. December experiences an average temperature of 4°C (40°F) with extremes ranging from -6°C (21°F) to a maximum of 15°C (59°F). In contrast, February maintains the same average temperature of 4°C (40°F), but temperatures can drop lower, with a minimum of -9°C (16°F) and a maximum reaching 19°C (66°F). Additionally, February sees less precipitation, with only 58 mm (2.3 in) over 11 days, compared to December's 104 mm (4.1 in) spread over 18 days. Humidity levels are also slightly lower in February at 89% compared to 91% in December. For more details on February weather, you can visit Mannheim weather in February.
In December, the weather is generally cooler with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 15°C (59°F) and an average of 4°C (40°F). The month experiences higher precipitation levels at 104 mm (4.1 in) over 18 days and maintains a high humidity of 91%. In contrast, March sees a slight increase in average temperatures, with a minimum of -10°C (15°F) and a maximum reaching up to 23°C (73°F) for an average of 7°C (45°F). Precipitation in March is lower at 69 mm (2.7 in) occurring over 13 days, along with a marginally reduced humidity of 87%. Overall, while both months are relatively wet and cool, March tends to offer a more moderate climate as winter transitions to spring. For more detailed information, check Mannheim weather in March.
December and April present stark contrasts in weather conditions. In December, temperatures range from a chilly -6°C (21°F) to a mild 15°C (59°F), with an average temperature of around 4°C (40°F). This month is characterized by high humidity at 91% and significant precipitation, with around 104 mm (4.1 in) falling over 18 days. In contrast, April offers a much more temperate climate, with temperatures varying from a minimum of -3°C (27°F) to a warm maximum of 27°C (82°F), and an average of 11°C (51°F). Precipitation decreases significantly to 30 mm (1.2 in) over just 7 days, and humidity also dips slightly to 83%. For more specific details on April weather, you can visit Mannheim weather in April.
December and May exhibit striking differences in weather patterns. In December, temperatures range from a chilly -6°C (21°F) to a mild 15°C (59°F), averaging around 4°C (40°F). The month sees a significant amount of precipitation, with 104 mm (4.1 in) falling over 18 days, contributing to a high humidity level of 91%. In contrast, May offers a more temperate climate, with temperatures starting at a minimum of 1°C (33°F) and peaking at 32°C (89°F), averaging 14°C (58°F). Rainfall decreases to 74 mm (2.9 in) over just 12 days, and humidity drops to a more comfortable 79%. For a detailed outlook on May weather, check out Mannheim weather in May.
In December, the weather is notably colder, with average temperatures ranging from a chilly -6°C (21°F) to a mild 15°C (59°F). With 104 mm (4.1 in) of precipitation over 18 days, December's high humidity at 91% contributes to a damp and brisk atmosphere. In contrast, June brings a warmer and more comfortable climate, with average temperatures between 8°C (46°F) and a sweltering 37°C (99°F). Precipitation decreases to 73 mm (2.9 in) over just 10 days, and the humidity, while still significant at 82%, creates a more pleasant summer feel. For more details on the weather during this vibrant month, check out Mannheim weather in June.
December and July present contrasting weather conditions. In December, temperatures can dip as low as -6°C (21°F) and are generally cooler, with an average of 4°C (40°F) and a maximum of 15°C (59°F). The month experiences significant precipitation, totaling 104 mm (4.1 in) over 18 days, contributing to a high humidity level of 91%. In contrast, July offers a much warmer climate, with temperatures ranging from a minimum of 9°C (49°F) to a scorching maximum of 39°C (102°F), averaging 21°C (70°F). Precipitation in July is lighter, at 57 mm (2.2 in) over just 10 days, with humidity slightly lower at 83%. For more details, visit Mannheim weather in July.
In December, temperatures are significantly cooler, with a minimum of -6°C (21°F) and an average of 4°C (40°F), while in August, temperatures are much warmer, ranging from a minimum of 8°C (46°F) to a maximum of 36°C (97°F). December also experiences higher humidity at 91%, compared to August's 84%, which can make the cold feel even more biting. Moreover, December sees more precipitation over 18 days (104 mm or 4.1 in) compared to August's 10 days (54 mm or 2.1 in), making it a wetter month overall. For more details on August weather, you can visit Mannheim weather in August.
In comparing the weather of December and September, notable contrasts emerge. December typically experiences colder temperatures, with a minimum of -6°C (21°F) and an average of 4°C (40°F), while September enjoys a more temperate atmosphere, ranging from a minimum of 4°C (40°F) to an average of 16°C (62°F), peaking at a warm 33°C (91°F). Precipitation is also more prevalent in December, with 104 mm (4.1 in) falling over 18 days compared to September's 46 mm (1.8 in) over just 8 days. Additionally, December has a higher humidity level at 91%, versus September's 85%. For more details, visit Mannheim weather in September.
In comparing October and December weather, December experiences significantly colder temperatures, with a minimum of -6°C (21°F) and an average of 4°C (40°F), while October boasts milder conditions with a minimum of 1°C (34°F) and an average of 12°C (53°F). Additionally, October sees warmer maximum temperatures peaking at 26°C (80°F), compared to December’s maximum of 15°C (59°F). Precipitation is notably higher in December with 104 mm (4.1 in) over 18 days, whereas October has 61 mm (2.4 in) spread across just 12 days. Humidity levels are also close, with December at 91% and October at 88%. For more detailed insights, visit Mannheim weather in October.
In comparing the weather between November and December, it’s clear that December is significantly colder, with average temperatures ranging from a minimum of -6°C (21°F) to a maximum of 15°C (59°F), while November boasts milder temperatures with a range from -3°C (26°F) to 22°C (71°F). Notably, December also experiences more precipitation, totaling 104 mm (4.1 in) over 18 days, compared to November's 50 mm (1.9 in) spread across just 10 days. Humidity levels are slightly higher in December at 91%, whereas November's humidity stands at 89%. For those interested in a more detailed look at November's conditions, you can refer to Mannheim weather in November.
As December settles over Mannheim, the weather takes a notable turn, bringing a chill that contrasts sharply with the milder months preceding it. With an average temperature of just 4°C, the days grow cooler and the long nights invite cozy indoor gatherings. This month is characterized by increased precipitation and higher humidity levels, creating a damp atmosphere that often coats the city in a moody fog. Unlike the warmer months, when sunshine dominates, December experiences frequent rain, with 18 days seeing measurable precipitation. This transition not only transforms the landscape but also sets the stage for seasonal festivities. For those curious about Mannheim's overall weather patterns, exploring the full scope of the city's climate can offer deeper insights: Mannheim Climate.