December Weather in Bad Mergentheim, Germany

Last updated: February 26, 2025

December in Bad Mergentheim, Germany, offers a chilly yet captivating climate characterized by a maximum temperature of 13°C (56°F) and an average that hovers around 3°C (38°F). The month experiences minimum lows dipping to -7°C (20°F), creating a frosty atmosphere perfect for winter outings. With a notable precipitation amount of 105 mm (4.1 in) over the course of 17 days, residents and visitors alike can expect a fair share of rain and snow, wrapped in a damp humidity level of 91%. This seasonal weather sets the stage for a picturesque winter wonderland, inviting exploration and festive cheer.

December Temperature in Bad Mergentheim

December in Bad Mergentheim, Germany, ushers in a chill reminiscent of winter's grip, with temperatures dipping to a minimum of -7°C (20°F) and averaging around 3°C (38°F). This month marks a notable shift from the milder fall, as the crisp air offers daily highs peaking at 13°C (56°F), a stark contrast to the max averages seen in November and earlier months. While the days are cooler and shorter, December’s temperatures reflect a smooth transition into the full embrace of winter, inviting cozy gatherings and festive celebrations amidst the frosty backdrop.

December Weather in Bad Mergentheim: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Bad Mergentheim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec353842495665676759514237
Data source: Temperature data for Bad Mergentheim generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Bad Mergentheim

In December, Bad Mergentheim experiences a notable increase in precipitation, with an average of 105 mm (4.1 in), making it one of the wettest months of the year. This higher volume is accompanied by a significant rise in precipitation days, reaching 17 days, indicating that residents can expect frequent rain throughout the month. This trend contrasts sharply with the drier conditions seen in summer and early autumn, where monthly totals were consistently lower; for instance, July and August recorded just 67 mm (2.6 in) and 66 mm (2.6 in), respectively. As the year draws to a close, the shift to more persistent rainfall not only enriches the landscape but also serves as a reminder of the seasonal transition toward winter in this charming German town.

December Precipitation Trends in Bad Mergentheim

The chart displays monthly precipitation patterns in Bad Mergentheim, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec6663753688866766496346105
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bad Mergentheim

As December settles in Bad Mergentheim, Germany, the humidity reaches a notable 91%, mirroring the elevated moisture levels observed earlier in the year. Following a gradual downward trend from the peak of 91% in January, humidity levels have fluctuated, dipping to their lowest point in May at 79%. However, as the year progresses into the colder months, a slight resurgence in moisture is evident, with November and December reflecting increased humidity levels once more. This cyclical pattern highlights the region's tendency for higher humidity during winter, making December a particularly damp month, as the crisp air is accompanied by a renewed sense of humidity that lingers throughout the season.

December Average Humidity in Bad Mergentheim

This chart illustrates the average monthly humidity levels in Bad Mergentheim, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bad Mergentheim

As the year progresses, Bad Mergentheim experiences significant fluctuations in the UV Index, reflecting the changing seasons. During the winter months, notably in December, the UV Index drops to a low level of 1, with a burn time of approximately 45 minutes, indicating minimal sun exposure risks. This trend continues from November, where the index is also low, yet starts rising in early spring with March reaching a moderate 5. The peak of UV activity occurs in the summer months, with May through July consistently presenting a very high UV Index of 8, necessitating careful sun protection. As autumn approaches, the index gradually decreases, showcasing a clear seasonal pattern that underscores the importance of adjusting sun safety measures throughout the year. For those wanting to delve deeper into the UV variability in this charming town, visit Bad Mergentheim UV Index.

Maximum UV Index Levels in Bad Mergentheim for December

The chart shows the monthly maximum UV Index (UVI) for Bad Mergentheim in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235688876421
Data source: Bad Mergentheim December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Bad Mergentheim

In December, Bad Mergentheim experiences a gentle decline in sunshine, with only 129 hours of bright daylight as the year draws to a close. This month notably marks a departure from the sun's peak presence in the summer, where July boasts an impressive 409 hours. The trend throughout the year showcases a vibrant spring and summer, with sunshine peaking in June and July before gradually tapering off into the cooler months. As the region transitions into the deeper winter, days become shorter and dimmer, creating a cozy atmosphere perfect for seasonal festivities, while the lingering daylight serves as a reminder of the bright days ahead.

Monthly Sunshine Duration in Bad Mergentheim: December Highlighted

The December sunshine duration represents the total number of hours Bad Mergentheim experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec110h204h271h346h378h388h409h379h317h254h178h129h
Data source: Bad Mergentheim December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bad Mergentheim During December

In Bad Mergentheim, Germany, December typically ushers in a notable decline in sunny weather, with a mere 14% chance of sunshine. This is a sharp contrast to the brighter days of March and April, which both enjoy a 43% likelihood of clear skies. Interestingly, the winter months show a consistent downward trend, with November already sitting at 15%, just slightly brighter than December. Overall, as the year winds down, the days become increasingly overcast, making the prospect of a sunny December a rare and cherished opportunity for locals and visitors alike.

Percentage of Sunny Days in December in Bad Mergentheim

The chart illustrates the percentage of sunny days in Bad Mergentheim throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Bad Mergentheim experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%34%43%43%30%33%34%29%42%33%15%14%
Data source: Bad Mergentheim December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bad Mergentheim in December

In Bad Mergentheim, Germany, the daylight duration exhibits a distinct seasonal ebb and flow, reflecting the shifting daylight hours throughout the year. Starting from a modest 8 hours in January, the city experiences a gradual increase as spring approaches, reaching 11 hours by March and peaking at an impressive 16 hours in the height of summer in June. As the vibrant days of summer fade, daylight begins to recede once more, dipping to 14 hours in August and continuing its descent through the autumn months, with December mirroring the year's beginning at just 8 hours. This cyclical pattern highlights the natural rhythm of seasonal change in Bad Mergentheim, where the embrace of longer days in spring and summer contrasts sharply with the cozy, shorter days of winter.

Average Daylight Hours in Bad Mergentheim for December

The chart illustrates the variation in daylight duration in Bad Mergentheim throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 41m10h 7m11h 55m13h 45m15h 21m16h 10m15h 44m14h 19m12h 32m10h 43m9h 5m8h 13m
Data source: Bad Mergentheim daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Bad Mergentheim

In December, Bad Mergentheim experiences a notable increase in wind speed, with averages reaching 3.1 m/s (7 mph). This uptick is a refreshing change during the winter months, contrasting with the calmer breezes of June and September, when speeds dipped to 2.1 m/s (5 mph). As the year wraps up, December's winds mirror the slightly more robust gusts seen in the spring, specifically in May, when the average reached 3.7 m/s (8 mph). The overall trend throughout the year reveals a gradual fluctuation in wind conditions, with winter presenting a more invigorating atmosphere that aptly sets the stage for the forthcoming new year.

Average December Wind Speed in Bad Mergentheim

The chart displays monthly wind speed patterns in Bad Mergentheim, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.03.12.83.72.12.52.72.12.92.63.1 m/s
Data source: Bad Mergentheim December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Bad Mergentheim Compares to Other Months

The weather in Bad Mergentheim 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 Bad Mergentheim and find detailed weather information for every month.

In December, temperatures range from a minimum of -7°C (20°F) to a maximum of 13°C (56°F), with an average of 3°C (38°F). The month sees considerable precipitation, totaling 105 mm (4.1 in) over 17 days, paired with a high humidity level of 91%. In contrast, January presents colder conditions, with minimum temperatures dropping to -14°C (8°F) while maintaining a maximum of 13°C (55°F) and an average of 2°C (35°F). Precipitation decreases to 66 mm (2.6 in) over 12 days, yet humidity remains steady at 91%. For further details, visit Bad Mergentheim weather in January.

December and February offer distinct weather experiences despite having similar average temperatures. December typically sees a milder max temperature of 13°C (56°F) compared to February's warmer 19°C (66°F). However, February experiences colder overnight lows, with temperatures dropping to a minimum of -13°C (9°F) compared to December's -7°C (20°F). Precipitation is more frequent in December, with 105 mm (4.1 in) over 17 days, whereas February has less precipitation at 62 mm (2.5 in) over 10 days. Humidity levels are also slightly lower in February at 89%, making it feel a bit drier than the humid December, which has a humidity of 91%. For further details, you can check Bad Mergentheim weather in February.

In December, temperatures in Bad Mergentheim can dip as low as -7°C (20°F), with an average of 3°C (38°F) and a maximum of 13°C (56°F). The month is characterized by high humidity at 91% and significant precipitation, totaling 105 mm (4.1 in) over about 17 days. In contrast, March brings slightly milder temperatures, with minimums around -11°C (12°F), an average of 6°C (42°F), and maximums reaching up to 22°C (72°F). While March experiences lower humidity at 87% and less total precipitation at 75 mm (3.0 in) over 14 days, it marks a shift towards warmer and drier conditions. For more detailed weather information, you can visit Bad Mergentheim weather in March.

When comparing the weather in December and April, we see distinct differences in temperature and precipitation. December tends to be colder, with average temperatures ranging from a minimum of -7°C (20°F) to a maximum of 13°C (56°F), accompanied by high humidity levels at 91%. The month sees considerable precipitation, with 105 mm (4.1 in) over 17 days. In contrast, April experiences a milder climate where temperatures rise significantly, with minimums of -5°C (23°F) and maximums reaching 26°C (80°F). The precipitation decreases to 36 mm (1.4 in) over just 9 days, while humidity levels are slightly lower at 83%. For more specific insights into April weather, check out Bad Mergentheim weather in April.

December weather presents a stark contrast to that of May. In December, temperatures can drop as low as -7°C (20°F) and average around 3°C (38°F), while May sees much milder conditions, with a minimum temperature of 0°C (32°F) and an average of 13°C (56°F). Moreover, the maximum temperature in December rarely exceeds 13°C (56°F), compared to May’s peaks of up to 30°C (87°F). Precipitation is relatively high in December, totaling 105 mm (4.1 in) over 17 days, whereas May experiences slightly less rain at 88 mm (3.5 in) across 13 days. Additionally, humidity levels are higher in December at 91%, while they decrease to 79% in May, contributing to a noticeably different feel for both months. For more details, you can check Bad Mergentheim weather in May.

The weather in December is significantly colder and wetter compared to June. In December, temperatures can drop to as low as -7°C (20°F), with an average of 3°C (38°F) and a maximum of 13°C (56°F). The month also sees considerable precipitation, amounting to 105 mm (4.1 in) over about 17 days, coupled with high humidity levels at 91%. In contrast, June enjoys much milder conditions, with temperatures ranging from a minimum of 6°C (43°F) to an average of 19°C (66°F) and a maximum of 34°C (93°F). Precipitation decreases to 86 mm (3.4 in) over approximately 11 days, while the humidity is slightly lower at 82%. For more detailed insights, you can check Bad Mergentheim weather in June.

December and July present stark contrasts in weather conditions. December typically experiences a chilly range of temperatures, with minimums dropping to -7°C (20°F) and an average of around 3°C (38°F), while July enjoys a much warmer climate, boasting minimums of 7°C (44°F) and an average high of 19°C (67°F). Precipitation is more frequent in December, with about 105 mm (4.1 in) falling over 17 days, compared to July's lighter rainfall of 67 mm (2.6 in) over only 11 days. Additionally, December's humidity is higher at 91%, while July's humidity is relatively lower at 83%. This makes December a frosty month, whereas July is characterized by warmth and summer-like conditions. For more specific details, you can check Bad Mergentheim weather in July.

December and August present sharply contrasting weather patterns. In December, temperatures can drop to a minimum of -7°C (20°F) and average around 3°C (38°F), with a maximum reaching 13°C (56°F). The month is characterized by high precipitation of 105 mm (4.1 in) spread over 17 days, accompanied by a humidity level of 91%. In stark contrast, August enjoys milder conditions, with temperatures ranging from a minimum of 6°C (43°F) to an average of 19°C (67°F), peaking at 35°C (95°F). Precipitation in August is lower, totaling 66 mm (2.6 in) across 12 days, and the humidity sits at a more comfortable 84%. For more detailed insights, check out Bad Mergentheim weather in August.

December and September exhibit strikingly different weather patterns. December experiences colder temperatures with a minimum of -7°C (20°F) and an average of just 3°C (38°F), while September boasts a much milder minimum of 3°C (37°F) and an average of 15°C (59°F), peaking at a warm 30°C (86°F). Additionally, December sees significantly more precipitation, with 105 mm (4.1 in) over 17 days compared to September's lighter 49 mm (1.9 in) spread across only 8 days. Humidity levels are relatively high in both months, but December's average humidity of 91% is slightly higher than September's 85%. For more details, you can check Bad Mergentheim weather in September.

In comparing the weather of December and October, a stark contrast in temperature is evident. December experiences lower temperatures, with a minimum of -7°C (20°F) and an average of 3°C (38°F), while October boasts a much milder minimum of 0°C (32°F) and an average of 11°C (52°F), peaking at 25°C (76°F). Additionally, December has significantly more precipitation at 105 mm (4.1 in) over 17 days compared to October's 63 mm (2.5 in) over 12 days, leading to a higher humidity in December at 91% versus October's 88%. This shift in weather highlights the transition from the cooler, wetter conditions of late autumn to the cold, damp winter months. For more information on October's weather specifics, visit Bad Mergentheim weather in October.

December brings colder temperatures compared to November, with average lows of -7°C (20°F) and highs reaching only up to 13°C (56°F), in contrast to November's milder range of -4°C (26°F) to 21°C (70°F). Additionally, December experiences more precipitation, totaling 105 mm (4.1 in) over 17 days, while November sees significantly less rain at 46 mm (1.8 in) over just 9 days. The humidity remains relatively high in both months, with December slightly higher at 91% compared to November's 89%. For a more detailed look at the weather trends, you can visit Bad Mergentheim weather in November.

Compare Bad Mergentheim's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Bad Mergentheim

As December rolls in, Bad Mergentheim transforms into a chilly haven, marked by lower temperatures and a notable increase in precipitation compared to earlier months. The average temperature dips, making the air feel crisper and more invigorating. December experiences significant humidity, contributing to a more pronounced dampness that affects daily life. With about 17 days of rain, the landscape is often under a veil of grey, contrasting sharply with the brighter seasons. This month’s unique climate invites residents and visitors alike to embrace cozy activities, from enjoying warm beverages to exploring the serene winter scenery. For a deeper dive into the local climate dynamics, visit Bad Mergentheim Climate.