December Weather in Rastatt, Germany

Last updated: February 26, 2025

December in Rastatt, Germany brings a chilly yet atmospheric charm, with average temperatures hovering around 3°C (38°F). The month showcases maximum highs reaching 14°C (57°F), while the nights can plunge to a brisk minimum of -8°C (17°F). As the landscape transforms, residents and visitors alike can expect frequent rain with an accumulated precipitation of 148 mm (5.8 in) over approximately 19 days. With humidity levels averaging 91%, the air is crisp and laden with the promise of winter, setting the perfect backdrop for the festive spirit of the season.

December Temperature in Rastatt

In Rastatt, Germany, December signals the onset of winter chill, with temperatures dropping to a minimum of -8°C (17°F) and an average hovering around 3°C (38°F). This month showcases a notable transition from the milder fall temperatures, where November enjoyed a maximum of 21°C (70°F). As the region prepares for the festive season, daytime highs reach up to 14°C (57°F), offering a blend of frosty mornings and relatively mild afternoons. December's weather paves the way for a cozy atmosphere, encouraging residents and visitors alike to wrap up warm while enjoying the enchanting winter landscape.

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

The chart illustrates December temperature patterns in Rastatt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec343943505666686760524238
Data source: Temperature data for Rastatt 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 Rastatt

December in Rastatt, Germany marks the climax of the wettest season, with precipitation soaring to an impressive 148 mm (5.8 in). This substantial rainfall occurs over 19 days, making it the month with the highest frequency of precipitation in the year. As winter settles in, Rastatt transitions from the milder, rain-soaked autumn months into a period characterized by dampness and chill. Interestingly, December's precipitation not only surpasses that of other months but also reflects a steady upward trend in rainfall as the year winds down, contrasting sharply with the lighter, more sporadic showers of late summer and early fall. This patterns underscores a clear shift towards a wetter and cooler climate, encapsulating the essence of winter in this picturesque German town.

December Precipitation Trends in Rastatt

The chart displays monthly precipitation patterns in Rastatt, 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.
JanFebMarAprMayJunJulAugSepOctNovDec11195112501131159280649771148
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rastatt

In Rastatt, Germany, December marks the return of heightened humidity levels, peaking at a notable 91%. This increase is consistent with the trend observed throughout the winter months, where humidity tends to rise, culminating in December mirroring January's moist atmosphere. Following a gradual decline from the spring peak of 79% in May, the year culminates in a humid finale, with November already bringing 89% humidity. While the summer months maintain a moderate range around 82-84%, the return to winter signals a shift back to the damp, enveloping conditions characteristic of this region. Therefore, December stands out not only for its chilly temperatures but also for its return to the year’s highest humidity, setting the mood for a cozy end to the year.

December Average Humidity in Rastatt

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

In December, Rastatt experiences a low UV Index of 1, making sun exposure less of a concern as winter settles in. With a burn time of 45 minutes, it's a perfect time for outdoor activities without the worry of sunburn. This trend of reduced UV intensity follows a peak in the summer months, where the index soared to 9 in June and July, categorizing the exposure as very high. As the year progresses from the bright days of May and June down to the cloudy December, residents can be thankful for the respite from intense sun, while still enjoying the crisp beauty of the season. For more information about UV trends throughout the year, visit Rastatt UV Index.

Maximum UV Index Levels in Rastatt for December

The chart shows the monthly maximum UV Index (UVI) for Rastatt 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Rastatt 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 Rastatt

In Rastatt, Germany, the trend of sunlight hours throughout the year paints a vivid picture of the changing seasons. December sees a modest 147 hours of sunshine, marking a dip from the vibrant months of summer, where July peaks at 413 hours. As the year winds down, the fading daylight reflects the shift from the lush, bright days of May and June, both boasting over 380 hours. The gradual decline in sunlight becomes more pronounced as we transition from the lively heights of April's 349 hours to the shorter days of late autumn and winter. As such, while December may bring fewer rays, it serves as a gentle reminder of the sun-drenched months that have passed and the promise of brighter days ahead.

Monthly Sunshine Duration in Rastatt: December Highlighted

The December sunshine duration represents the total number of hours Rastatt 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.
JanFebMarAprMayJunJulAugSepOctNovDec132h207h281h349h386h396h413h379h321h266h192h147h
Data source: Rastatt December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rastatt During December

December in Rastatt, Germany, typically sees a modest 22% chance of sunny weather. This marks a downward trend from the sunnier months earlier in the year, particularly the peak of spring in April, which enjoys nearly half its days bathed in sunshine. As winter sets in, the likelihood of bright days diminishes further, reflecting a general pattern of increased cloud cover and inclement weather during this time. Notably, compared to November's already gloomy 25%, December brings an even more pronounced cloudiness, making it one of the less favorable months for sun-seeking enthusiasts.

Percentage of Sunny Days in December in Rastatt

The chart illustrates the percentage of sunny days in Rastatt 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 Rastatt experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%40%43%48%32%32%38%33%44%34%25%22%
Data source: Rastatt December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rastatt in December

In Rastatt, Germany, the rhythm of daylight plays a significant role throughout the year, creating a clear seasonal pattern. Starting with December, the city experiences around 8 hours of daylight, a figure that echoes the shorter, darker days of January. As winter progresses into February, daylight begins to extend, peaking in the warmer months. March ushers in just 11 hours of daylight, while April and May see a remarkable surge, reaching 13 and 15 hours, respectively. The peak is found in June, with 16 hours of daylight, before a gradual decline kicks in during the summer months of July and August. As autumn approaches, daylight dims once again, dropping to 10 hours in October and slipping further to 9 hours in November. The cycle concludes with December, where days are once again limited to 8 hours, highlighting the natural ebb and flow of sunlight in this charming German town.

Average Daylight Hours in Rastatt for December

The chart illustrates the variation in daylight duration in Rastatt throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 46m10h 10m11h 55m13h 43m15h 16m16h 3m15h 38m14h 15m12h 32m10h 45m9h 10m8h 20m
Data source: Rastatt daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Rastatt

In December, the winds in Rastatt, Germany, pick up slightly, averaging 3.0 m/s (7 mph), a refreshing shift as the year draws to a close. This marks an interesting trend, as the wind speeds have shown a subtle increase during the colder months. After a decline through the warmer summer months—where July and August see their lowest averages of 2.4 m/s and 2.5 m/s, respectively—December offers a brisk embrace, reminiscent of the winter’s approach. Overall, while the winds may be gentle compared to some regions, the fluctuating patterns throughout the year highlight Rastatt's unique climatic character, blending seasons with the whispers of the breezes.

Average December Wind Speed in Rastatt

The chart displays monthly wind speed patterns in Rastatt, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.02.92.83.72.02.42.52.02.62.53.0 m/s
Data source: Rastatt December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Rastatt Compares to Other Months

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

December and January present a notable contrast in weather conditions. While December experiences an average temperature of 3°C (38°F), with a minimum of -8°C (17°F) and a maximum of 14°C (57°F), January sees a slight dip in average temperature to 1°C (35°F), with a minimum of -17°C (2°F) and a maximum of 13°C (56°F). Precipitation is higher in December at 148 mm (5.8 in) over 19 days compared to January's 111 mm (4.4 in) over 14 days. Both months share the same high humidity of 91%, but January's lower temperatures create a noticeably colder atmosphere. For more detailed information on January's weather, you may refer to Rastatt weather in January.

December and February exhibit distinct weather patterns, with February generally experiencing colder minimum temperatures. In December, temperatures range from a low of -8°C (17°F) to a mild high of 14°C (57°F), accompanied by significant precipitation of 148 mm (5.8 in) over 19 days. The humidity tends to be quite high at 91%. In contrast, February has even colder minimum temperatures dropping to -17°C (2°F), yet it features an average temperature of 4°C (39°F) and a maximum of 19°C (67°F). February also sees less precipitation, with only 95 mm (3.8 in) over 13 days, and a slightly lower humidity level of 89%. For more information on February weather, you can visit Rastatt weather in February.

In December, temperatures range from a chilly minimum of -8°C (17°F) to a comfortable maximum of 14°C (57°F), with an average of 3°C (38°F). The month experiences considerable precipitation, averaging 148 mm (5.8 in) over 19 days, coupled with high humidity at 91%. In contrast, March presents a broader temperature range, with a minimum of -16°C (3°F) and a maximum of 22°C (73°F), leading to an average of 6°C (43°F). While it has slightly less precipitation at 112 mm (4.4 in) over 16 days, the humidity is slightly lower at 87%. For a closer look at March weather patterns, you can check Rastatt weather in March.

The weather in December is characterized by colder temperatures, with a minimum of -8°C (17°F) and an average of just 3°C (38°F), reaching a maximum of 14°C (57°F). This month also sees significant precipitation, averaging 148 mm (5.8 in) over 19 days, coupled with high humidity at 91%. In contrast, April brings milder conditions, with temperatures ranging from a minimum of -5°C (24°F) to a more comfortable maximum of 27°C (80°F), averaging around 10°C (50°F). Precipitation decreases to 50 mm (2.0 in) across 10 days, and humidity is slightly lower at 83%. For more details on what to expect during April, check out Rastatt weather in April.

December and May exhibit stark contrasts in weather. December experiences much colder temperatures, with minimums plummeting to -8°C (17°F) and an average of just 3°C (38°F), while May enjoys a milder climate with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 30°C (86°F). Precipitation is relatively high in December, totaling 148 mm (5.8 in) over 19 days, compared to May's 113 mm (4.4 in) across 15 days. Additionally, December's humidity sits at a high 91%, while May's humidity is notably lower at 79%. For more detailed information about May weather, check out Rastatt weather in May.

In December, the weather is notably colder, with average temperatures around 3°C (38°F) and nighttime lows dropping to -8°C (17°F). The month is quite wet, receiving about 148 mm (5.8 in) of precipitation over 19 days, coupled with high humidity at 91%. In stark contrast, June boasts milder conditions, featuring average temperatures of 19°C (66°F) and highs reaching up to 34°C (94°F). Precipitation in June is slightly less, at 115 mm (4.5 in) over 12 days, and humidity is lower at 82%. This shift from a cold, damp December to a warm, summer-like June highlights the significant seasonal variation in weather. For more detailed information, check out Rastatt weather in June.

December and July exhibit strikingly contrasting weather patterns. In December, temperatures can plummet to a minimum of -8°C (17°F), with an average of just 3°C (38°F) and a maximum reaching 14°C (57°F). This chill is accompanied by considerable rainfall, totaling 148 mm (5.8 in) over 19 days, and a high humidity level of 91%. In stark contrast, July boasts much warmer weather, with a minimum of 8°C (46°F), an average temperature of 20°C (68°F), and soaring highs of 36°C (98°F). Precipitation in July is lighter, at 92 mm (3.6 in) spread across 13 days and a lower humidity of 83%. For more detailed insights, you can visit Rastatt weather in July.

December and August present stark contrasts in weather. In December, temperatures dip significantly, with a minimum of -8°C (17°F) and an average of 3°C (38°F), while August boasts much warmer conditions, with a minimum of 7°C (44°F) and an average temperature of 20°C (68°F). Precipitation is more frequent in December, occurring over 19 days and totaling 148 mm (5.8 in), as opposed to August, which receives only 80 mm (3.1 in) over 15 days. Humidity levels also differ slightly, with December at 91% and August at 84%. This variation highlights the seasonal shift from the cold and wet conditions of winter to the warm and relatively drier atmosphere of summer. For more detailed August weather information, you can check Rastatt weather in August.

The weather in December is markedly colder and wetter than in September. December experiences temperatures ranging from a minimum of -8°C (17°F) to a maximum of 14°C (57°F), with an average of around 3°C (38°F). In contrast, September sees more moderate temperatures, with a minimum of 2°C (36°F) and a maximum of 31°C (87°F), averaging 15°C (60°F). Additionally, December is much wetter, receiving 148 mm (5.8 in) of precipitation over 19 days, compared to September's 64 mm (2.5 in) across just 10 days. The humidity levels are slightly higher in December at 91%, while September has a humidity of 85%. For more details, you can check Rastatt weather in September.

In comparing the weather between October and December, October experiences a milder climate with average temperatures reaching up to 11°C (52°F) and maximums as high as 25°C (77°F). In contrast, December brings much colder conditions, with average temperatures around 3°C (38°F) and minimums dropping to -8°C (17°F). Additionally, December sees more precipitation, accumulating 148 mm (5.8 in) over 19 days, compared to October's 97 mm (3.8 in) over 14 days. Humidity levels are slightly higher in December, at 91%, compared to 88% in October. For more details about the weather in October, you can visit Rastatt weather in October.

In comparing the weather between November and December, December typically experiences colder temperatures, with an average low of -8°C (17°F) compared to November's milder minimum of -2°C (28°F). While November has a higher maximum temperature of 21°C (70°F), December's highs only reach up to 14°C (57°F). Additionally, precipitation increases significantly in December, totaling 148 mm (5.8 in) over 19 days, compared to November's 71 mm (2.8 in) over just 11 days. The humidity levels remain quite similar, with December slightly higher at 91% than November's 89%. For more details, check out Rastatt weather in November.

Compare Rastatt's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Rastatt

As December settles into Rastatt, the weather transforms significantly, offering a stark contrast to the milder months prior. With average temperatures hovering around 3°C (38°F), residents experience cooler conditions that invite cozy indoor gatherings and festive cheer. The month is characterized by a distinctive increase in precipitation, with nearly 19 days receiving rain or snow, enhancing the overall humidity to a brisk 91%. This shift not only creates a chill in the air but also adds a unique charm to the city, as holiday lights glisten against a backdrop of misty weather. For more detailed insights into the fluctuating climate patterns, explore our comprehensive guide on Rastatt Climate.