December Weather in Weinheim, Germany

Last updated: February 26, 2025

In Weinheim, Germany, December showcases a chill that balances between crisp air and occasional dampness. With a maximum temperature reaching 14°C (58°F) and a minimum dipping to -6°C (21°F), the average temperature settles around a refreshing 4°C (39°F). December is characterized by significant precipitation, totaling 134 mm (5.3 in) across 19 days, contributing to a high humidity level of 91%. This blend of cool temperatures and frequent rainfall creates a quintessential winter atmosphere in Weinheim, inviting both exploration and cozy indoor retreats.

December Temperature in Weinheim

In Weinheim, Germany, December ushers in the chill of winter with temperatures dipping to a minimum of -6°C (21°F) and averaging around 4°C (39°F). The days remain cool, with a maximum of 14°C (58°F), signaling the transition from the mild autumn months to a more frigid landscape. This month marks a noticeable shift, following November's average of 6°C (43°F), as the city prepares for the deep cold of January, which can plunge to a remarkable -13°C (9°F). Overall, December's weather invites residents and visitors alike to enjoy cozy gatherings, festive cheer, and the enchanting beauty of a winter wonderland.

December Weather in Weinheim: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Weinheim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec363943505767686860524238
Data source: Temperature data for Weinheim generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Weinheim

In December, Weinheim, Germany experiences a notable surge in precipitation, with 134 mm (5.3 in) of rain falling across an average of 19 days. This marks a significant increase compared to the preceding months, making December the rainiest month of the year. The uptick in both the amount of rainfall and the number of rainy days reflects a shift from the relatively drier, milder autumn months. As winter settles in, long stretches of dampness can create a cozy, if slightly dreary, atmosphere, encouraging residents to seek warmth indoors while the vibrant German holiday season unfolds amidst the rainy backdrop.

December Precipitation Trends in Weinheim

The chart displays monthly precipitation patterns in Weinheim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7872923589856660587457134
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Weinheim

In December, Weinheim experiences a return to high humidity levels, reaching 91%, which ties with January as the most humid month of the year. This seasonal spike reflects a noticeable trend where humidity generally remains elevated during the winter months. While there is a gradual decline in humidity from the warmer spring months—dropping to a low of 79% in May—levels pick up again as autumn sets in, reaching 89% in both October and November. This pattern indicates that as the year draws to a close, Weinheim's air becomes increasingly saturated, creating a distinct contrast from the drier summer months and highlighting the region's characteristic shift to a more humid winter climate.

December Average Humidity in Weinheim

This chart illustrates the average monthly humidity levels in Weinheim, 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 Weinheim

As winter settles in Weinheim, December brings a UV Index of 1, indicating a low exposure level and a leisurely burn time of 45 minutes. This follows the trend seen in November, where the index also registered at 2, allowing residents and visitors to enjoy the outdoors with minimal sun protection needs. The gradual drop in UV levels from the highs of summer—where values peaked at 8 in May through July—shows a clear seasonal shift. As sunlight diminishes, it's essential to be mindful of the changing UV conditions, particularly for the upcoming months. For more insights on UV exposure throughout the year, check out the details on Weinheim UV Index.

Maximum UV Index Levels in Weinheim for December

The chart shows the monthly maximum UV Index (UVI) for Weinheim 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.
JanFebMarAprMayJunJulAugSepOctNovDec234688876421
Data source: Weinheim 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 Weinheim

In the charming town of Weinheim, Germany, December experiences a distinct shift as daylight hours dwindle, totaling 134 hours of sunshine. This marks a significant drop from the sunniest months of summer, where July peaks at an impressive 413 hours. The transition begins subtly in the autumn, as October offers 258 hours before November's further decline to 185 hours. By December, the shorter days remind inhabitants of the impending winter, contrasting sharply with the vibrant 386 hours of sunshine seen in May. Despite the reduction in sunlight, the serene beauty of Weinheim during the winter months holds its own allure, inviting residents and visitors alike to appreciate the warmth of the season's charm amidst the cooler skies.

Monthly Sunshine Duration in Weinheim: December Highlighted

The December sunshine duration represents the total number of hours Weinheim 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.
JanFebMarAprMayJunJulAugSepOctNovDec118h205h275h347h386h391h413h385h321h258h185h134h
Data source: Weinheim December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Weinheim During December

December in Weinheim, Germany, offers a modest 16% chance of sunny weather, reflecting a trend of decreasing sunshine as the year winds down. As the colder months set in, the likelihood of sunny days plummets from a peak of 47% in April, through the vibrant days of summer and into the transition of autumn, where November brings just a shadowy 20% of sunlight. This decline underscores a shift towards the gloomier days of winter, making any sunny break in December a delightful rarity. While the chances might be slim, the crisp air and festive ambiance lend a special charm to those fleeting moments of sunshine.

Percentage of Sunny Days in December in Weinheim

The chart illustrates the percentage of sunny days in Weinheim 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 Weinheim experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%37%46%47%32%35%38%30%43%33%20%16%
Data source: Weinheim December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Weinheim in December

In Weinheim, Germany, the daylight duration reveals a captivating annual rhythm that speaks to the changing seasons. As winter approaches, we find December basking in only 8 hours of daylight, mirroring the shorter days typical of the season. This twilight phase drapes the city in a tranquil hush, a stark contrast to the vibrant daylight of May and June, where the sun graces the sky for up to 16 hours. The gradual increase in daylight from January's 8 hours to the peak summer months showcases a clear trend: after a slow start in winter, the days lengthen dramatically, climaxing before gently tapering off through autumn. This ebb and flow not only marks the passage of time but enriches the beauty of Weinheim, inviting residents and visitors alike to savor each moment under the varying light.

Average Daylight Hours in Weinheim for December

The chart illustrates the variation in daylight duration in Weinheim throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 40m10h 7m11h 55m13h 46m15h 22m16h 11m15h 45m14h 19m12h 32m10h 42m9h 4m8h 12m
Data source: Weinheim daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Weinheim

As December approaches in Weinheim, Germany, the average wind speed settles at 2.8 m/s (6 mph), reflecting a gradual decline from the more blustery months of spring and early summer. This subtle decrease in wind intensity signals the shift toward winter, with the calmest winds noted in September at 2.0 m/s (4 mph). Despite the cooler temperatures setting in, December's winds are still more vigorous than some of the milder summer months like June, where speeds dip to only 2.1 m/s (5 mph). This trend culminates in December, where the gentle breezes can sometimes offer a refreshing contrast to the chill, inviting residents to enjoy the crisp, wintry air while embracing the tranquil beauty of the season.

Average December Wind Speed in Weinheim

The chart displays monthly wind speed patterns in Weinheim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.22.93.02.73.52.12.42.62.02.62.42.8 m/s
Data source: Weinheim December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Weinheim Compares to Other Months

The weather in Weinheim 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 Weinheim and find detailed weather information for every month.

December and January exhibit notable differences in weather patterns. December tends to be slightly milder with average temperatures around 4°C (39°F) and a maximum of 14°C (58°F), while January sees a drop in the minimum temperature to -13°C (9°F) and an average of 2°C (36°F). Precipitation is more frequent in December with 134 mm (5.3 in) over 19 days, compared to January's 78 mm (3.1 in) over 13 days. Both months share the same high humidity level of 91%, but January's colder temperatures and reduced precipitation create a distinctly different feel. For more detailed information, visit Weinheim weather in January.

December typically showcases colder temperatures, with a minimum of -6°C (21°F) and a maximum reaching 14°C (58°F), while February can be even chillier at times, dipping to -10°C (14°F) but also teasing warmer highs of 18°C (65°F). Despite the similar average temperature of 4°C (39°F) for both months, December experiences significantly more precipitation at 134 mm (5.3 in) over 19 days compared to February's 72 mm (2.8 in) across just 11 days. Additionally, humidity levels remain high in both months, hovering around 91% in December and slightly lower at 89% in February, contributing to a generally damp atmosphere. For more detailed insights on February weather, you can check Weinheim weather in February.

In December, the weather is characterized by colder temperatures, with a minimum of -6°C (21°F) and an average of 4°C (39°F). The precipitation is relatively high at 134 mm (5.3 in) over 19 days, coupled with a humidity level of 91%. In contrast, March experiences slightly milder temperatures, with a minimum of -10°C (15°F) and an average of 6°C (44°F), peaking at a maximum of 23°C (73°F). Precipitation decreases to 92 mm (3.6 in) across 14 days, and the humidity remains lower at 87%. The transition from December to March reflects a gradual warming trend, making March a more pleasant month overall. For more detailed information, visit Weinheim weather in March.

December and April present contrasting weather patterns. In December, temperatures range from a chilly -6°C (21°F) to a mild 14°C (58°F), with an average of just 4°C (39°F). The month sees significant precipitation of 134 mm (5.3 in) spread over 19 days, and humidity levels are quite high at 91%. In contrast, April brings a more moderate climate, with temperatures varying from -4°C (25°F) to a pleasant 27°C (80°F) and an average of 10°C (51°F). Precipitation drops significantly to 35 mm (1.4 in) over just 8 days, and humidity decreases slightly to 83%. For more detailed information about the weather in April, you can check Weinheim weather in April.

In December, the weather is quite cold, with temperatures ranging from a chilly -6°C (21°F) to a mild 14°C (58°F) and an average temperature of 4°C (39°F). The month is also marked by high humidity at 91% and significant precipitation, totaling 134 mm (5.3 in) over 19 days. In contrast, May brings a much warmer climate, with temperatures starting at 0°C (32°F) and peaking at 31°C (88°F), averaging 14°C (57°F). This month features lower humidity at 79% and less rainfall, amounting to 89 mm (3.5 in) over 13 days. For a more detailed look at May's climate, you can explore Weinheim weather in May.

December and June present two contrasting weather profiles. In December, temperatures can drop as low as -6°C (21°F), with an average of 4°C (39°F) and highs reaching only 14°C (58°F). With 134 mm (5.3 in) of precipitation spread over 19 days and humidity levels peaking at 91%, December feels quite damp and chilly. In contrast, June offers a much warmer experience, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 35°C (96°F), averaging at a pleasant 19°C (67°F). The month sees significantly less rainfall at 85 mm (3.4 in) over 11 days and lower humidity at 82%, making it feel much drier and more comfortable. For more details, check the full climate overview Weinheim weather in June.

December and July present strikingly contrasting weather conditions. In December, temperatures typically range from a chilly -6°C (21°F) to a mild 14°C (58°F), with an average of 4°C (39°F). The month is characterized by significant precipitation, amounting to 134 mm (5.3 in) over about 19 days, and the humidity is quite high at 91%. In contrast, July boasts much warmer temperatures, with a minimum of 8°C (47°F), an average of 20°C (68°F), and a peak of 37°C (100°F). Precipitation is less frequent, totaling 66 mm (2.6 in) over just 11 days, and humidity levels drop slightly to 83%. For a closer look at July's weather, you can visit Weinheim weather in July.

December and August present a stark contrast in weather conditions. December is characterized by much colder temperatures, with a minimum of -6°C (21°F) and an average of 4°C (39°F), while August enjoys milder weather, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 36°C (96°F) and an average of 20°C (69°F). In terms of precipitation, December is wetter, receiving 134 mm (5.3 in) over 19 days, compared to August's 60 mm (2.4 in) across 12 days. Additionally, December has higher humidity at 91%, while August's humidity sits slightly lower at 84%. For more specific details on August weather, check out Weinheim weather in August.

December and September exhibit striking contrasts in weather patterns. In December, temperatures range from a chilly minimum of -6°C (21°F) to a moderately warm maximum of 14°C (58°F), averaging around 4°C (39°F). The month is characterized by significant precipitation, totaling 134 mm (5.3 in) over 19 days, coupled with high humidity levels of 91%. On the other hand, September boasts a much warmer climate, with temperatures starting at a minimum of 4°C (39°F) and reaching up to 31°C (89°F), averaging 16°C (61°F). Precipitation is significantly lower at 58 mm (2.3 in) spread across just 8 days, and humidity levels are slightly lower at 85%. For a deeper look into what to expect, you can check out Weinheim weather in September.

When comparing the weather in December to October, it's clear that December is significantly colder, with average temperatures ranging from a minimum of -6°C (21°F) to a maximum of 14°C (58°F). In contrast, October enjoys milder conditions, with averages ranging from 2°C (35°F) to a warm 26°C (78°F). Precipitation also varies, with December experiencing more rain, totaling 134 mm (5.3 in) over 19 days, while October sees only 74 mm (2.9 in) across 13 days. Additionally, December's humidity is slightly higher at 91%, compared to October's 88%. For more details about the weather during October, you can visit Weinheim weather in October.

In December, the weather is noticeably colder compared to November, with average temperatures dropping from 6°C (43°F) in November to just 4°C (39°F) in December. The minimum temperature in December can plunge to -6°C (21°F), which is slightly lower than November's -4°C (26°F). Additionally, December experiences significantly higher precipitation, totaling 134 mm (5.3 in) over 19 days, compared to November's 57 mm (2.3 in) over 10 days. This increase in rainfall, combined with higher humidity levels at 91% in December versus 89% in November, gives December a distinctly wetter and chillier feel. For a more detailed look at November's climate, check out Weinheim weather in November.

Compare Weinheim's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Weinheim

As December arrives in Weinheim, the weather shifts significantly from the milder months preceding it. The average temperature dips to a cool 4°C, contrasting with the warmth of autumn, while nighttime can bring temperatures as low as -6°C. This month is characterized by frequent rainy days, with precipitation occurring nearly two-thirds of the time, leaving the air with a notable humidity of 91%. Such conditions create a distinct atmosphere as the landscape transforms, often draped in a blend of frost and the lingering remnants of autumn. For a deeper dive into the seasonal variations, check out the detailed information on the climate of Weinheim: Weinheim Climate.