December Weather in Rosenheim, Germany

Last updated: February 26, 2025

In Rosenheim, Germany, December offers a chilly yet enchanting atmosphere as temperatures range from a maximum of 13°C (56°F) to a minimum of -15°C (6°F), with an average hovering around 0°C (33°F). This month typically brings 128 mm (5.0 in) of precipitation over 18 days, creating a moisture-rich environment with humidity levels reaching 90%. As the festive season unfolds, the town experiences not only brisk air but also a charming winter landscape, making it a perfect destination for those who appreciate the beauty and tranquility of a German winter.

December Temperature in Rosenheim

In December, Rosenheim, Germany experiences the heart of winter, with temperatures showcasing a notable chill. The month begins with a minimum temperature around -15°C (6°F), rising to a maximum of 13°C (56°F). The average temperature rests at a crisp 0°C (33°F), signaling a stark transition from the milder conditions of November, which boasted an average of 4°C (39°F). As the year closes, residents can expect invigorating cold and the potential for a winter wonderland, highlighting a clear trend of descending temperatures as the region wholeheartedly embraces the winter season.

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

The chart illustrates December temperature patterns in Rosenheim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec293338465362636356493832
Data source: Temperature data for Rosenheim 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 Rosenheim

In Rosenheim, Germany, December marks a significant shift in weather patterns, bringing 128 mm (5.0 in) of precipitation over 18 days. This month stands out with a notable increase compared to November's 75 mm and fewer rainy days, highlighting the transition into winter conditions. As the year draws to a close, precipitation levels in December reflect a consistent trend of relatively high moisture, particularly when compared to the drier months of autumn. This spike can be attributed to the onset of colder temperatures, which often lead to more frequent weather systems, ensuring that the festive season is often accompanied by a mix of rain and the occasional snowfall, creating a picturesque winter landscape for residents and visitors alike.

December Precipitation Trends in Rosenheim

The chart displays monthly precipitation patterns in Rosenheim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec10794989119917921120213811875128
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rosenheim

In Rosenheim, Germany, December brings with it a notable increase in humidity, recorded at 90%, which ties with the dampness of October. Throughout the year, there is a clear trend: humidity levels gradually decline from a peak in January (93%) to a low of 78% in May, followed by a slight uptick during the summer months. As the year progresses towards winter, humidity rises again, fluctuating between the high 80s and low 90s. This cyclical pattern emphasizes Rosenheim’s distinct seasonal shifts, where the cold months are marked by notably higher humidity, creating a crisp ambience as the year draws to a close.

December Average Humidity in Rosenheim

This chart illustrates the average monthly humidity levels in Rosenheim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec93%89%86%83%78%79%82%80%83%90%89%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rosenheim

In Rosenheim, Germany, the UV Index experiences a notable decline as winter approaches. December brings a low UV Index of 2, indicating minimal risk for sunburn and allowing for a comfortable 45 minutes of safe exposure. This is a stark contrast to the peak summer months when the UV Index soared to 9, urging caution with only 15 minutes of burn time. The gradual shift from moderate UV levels in spring and fall to the summer's very high ratings highlights the seasonal variability of sun exposure. As you enjoy the winter scenery, don't forget to check the Rosenheim UV Index to stay informed about safe sun practices year-round!

Maximum UV Index Levels in Rosenheim for December

The chart shows the monthly maximum UV Index (UVI) for Rosenheim 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986432
Data source: Rosenheim 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 Rosenheim

In Rosenheim, Germany, December brings a subtle shift from the vibrant light of summer to the tranquil ambiance of winter, averaging 181 hours of sunshine. This decline follows the trend established throughout the year, where the sun graces the city with its presence most frequently in the peak summer months of June and July, boasting 373 and 396 hours of golden rays, respectively. As the days shorten and temperatures drop, the sunshine hours decrease, signaling the transition into the cozier seasons with November seeing 215 hours and December not far behind. While December's sunshine may pale in comparison to the lush brightness of May or the sunny heights of summer, it still offers a warm glow to those who venture outdoors, hinting at the gentle promise of light that will return with the coming spring.

Monthly Sunshine Duration in Rosenheim: December Highlighted

The December sunshine duration represents the total number of hours Rosenheim 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.
JanFebMarAprMayJunJulAugSepOctNovDec163h230h290h336h340h373h396h352h298h270h215h181h
Data source: Rosenheim December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rosenheim During December

While December in Rosenheim, Germany, typically brings a chill in the air, the likelihood of sunny weather hovers at a modest 24%, making it one of the less bright months of the year. This decline in sunshine is noticeable, especially compared to the sunnier spells seen in the spring months, like February (44%) and September (47%). As the year unfolds, the trend reveals that winter months, particularly December, are often cloudier, with the chances of sun dipping significantly from the highs of early fall. So, while you may want to bundle up and prepare for cooler days, keep your fingers crossed for the occasional sunbeam breaking through the winter clouds!

Percentage of Sunny Days in December in Rosenheim

The chart illustrates the percentage of sunny days in Rosenheim 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 Rosenheim experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%44%40%40%28%37%34%32%47%38%31%24%
Data source: Rosenheim December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rosenheim in December

In Rosenheim, Germany, the daylight duration experiences a clear seasonal rhythm throughout the year. Kicking off with 8 hours in January, the days gradually lengthen as spring approaches, peaking at a delightful 15 hours in both May and June. This generous daylight continues through the height of summer, before a slow and steady decline begins. By August, daylight decreases to 14 hours, followed by a drop to 12 hours in September. As autumn sets in, the hours dwindle further, falling to 10 hours in October and 9 hours in November. December mirrors January with 8 hours of daylight, closing the cycle and ushering in a new year of gradually increasing light. This notable ebb and flow not only enriches the seasons but also sets the perfect backdrop for diverse outdoor activities and cherished moments with family and friends throughout Rosenheim.

Average Daylight Hours in Rosenheim for December

The chart illustrates the variation in daylight duration in Rosenheim throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 53m10h 14m11h 55m13h 40m15h 9m15h 55m15h 31m14h 11m12h 31m10h 47m9h 15m8h 27m
Data source: Rosenheim daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Rosenheim

In Rosenheim, Germany, December greets residents with an average wind speed of 1.9 m/s (4 mph), continuing a trend of gentle breezes typical for the colder months. As the year winds down, the breezes are slightly more pronounced compared to the calmest days of summer, such as July and September, which saw the lowest recordings at 1.7 m/s (4 mph) and 1.5 m/s (3 mph), respectively. This subtle increase from November's 1.6 m/s (4 mph) and the relatively low averages throughout the summer months suggests a seasonal shift, where winter's chill is accompanied by the whispers of wind that stir the crisp air. Overall, December’s breezes signal a transition, wrapping up the year with a serene and refreshing atmosphere.

Average December Wind Speed in Rosenheim

The chart displays monthly wind speed patterns in Rosenheim, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.31.92.12.12.21.81.71.81.51.81.61.9 m/s
Data source: Rosenheim December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Rosenheim Compares to Other Months

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

In December, temperatures in the region typically range from a minimum of -15°C (6°F) to a maximum of 13°C (56°F), with an average around 0°C (33°F). The month sees considerable precipitation, totaling 128 mm (5.0 in) over 18 days, accompanied by a high humidity level of 90%. In contrast, January experiences colder weather with minimum temperatures dropping to -27°C (-16°F) and an average temperature of -1°C (30°F). Despite the chill, January has slightly less precipitation at 107 mm (4.2 in) over 12 days and a higher humidity of 93%. For more detailed insights, you can check Rosenheim weather in January.

December and February weather exhibit notable differences despite both being winter months. In December, temperatures range from a low of -15°C (6°F) to a high of 13°C (56°F), with an average of 0°C (33°F) and higher humidity at 90%. This month experiences considerable precipitation, totaling 128 mm (5.0 in) over 18 days. In contrast, February is generally colder, with minimum temperatures dropping to -22°C (-7°F) and maximum temperatures reaching 18°C (65°F), resulting in an average of 1°C (34°F). Precipitation is lower in February, with 94 mm (3.7 in) over 13 days and humidity slightly lower at 89%. For more detailed insights about February weather, check out Rosenheim weather in February.

December weather is characterized by colder temperatures, with a minimum reaching -15°C (6°F) and an average of 0°C (33°F). It also sees higher precipitation levels of 128 mm (5.0 in) over 18 days, alongside a humidity level of 90%. In contrast, March experiences a notable warming trend, with a minimum temperature of -17°C (1°F) and an average of 3°C (39°F), peaking at 18°C (65°F). The month also brings less precipitation at 98 mm (3.9 in) over 16 days and a slightly lower humidity of 86%. For more details, check out Rosenheim weather in March.

In December, temperatures tend to be much colder, with a range from a chilling -15°C (6°F) to a maximum of 13°C (56°F), while the average hovers around 0°C (33°F). The month features high humidity at 90% and significant precipitation of 128 mm (5.0 in) over 18 days, contributing to the chilly and damp atmosphere.

In contrast, April brings a noticeable warmth with temperatures that range between -8°C (17°F) and 25°C (78°F), with an average of 8°C (47°F). Precipitation decreases to 91 mm (3.6 in) over just 13 days, and humidity lowers slightly to 83%. For more details on what to expect during this month, you can visit Rosenheim weather in April.

In December, the weather is characterized by chilly temperatures, with a minimum of -15°C (6°F) and an average of 0°C (33°F), making it a stark contrast to May's milder climate, where temperatures range from a minimum of -6°C (22°F) to a comfortable average of 12°C (53°F). December experiences significant precipitation, averaging 128 mm (5.0 in) over 18 days, while May sees even higher rainfall at 199 mm (7.8 in) spread across 23 days. The humidity levels in December are quite high at 90%, compared to the more moderate 78% in May. For a detailed look at May's weather specifics, you can check Rosenheim weather in May.

December and June present starkly contrasting weather conditions. In December, temperatures range from a minimum of -15°C (6°F) to a maximum of 13°C (56°F), with an average of around 0°C (33°F). The month is characterized by high humidity levels of 90% and a total precipitation of 128 mm (5.0 in) over 18 days. In contrast, June brings much warmer weather, with temperatures varying from a minimum of 3°C (37°F) to a maximum of 33°C (92°F) and an average of 17°C (63°F). Although June sees increased precipitation at 179 mm (7.1 in) over the same number of days, the humidity is comparatively lower at 79%. For more detailed June weather information, you can check Rosenheim weather in June.

December and July present starkly contrasting weather conditions. In December, temperatures can plummet to as low as -15°C (6°F), with an average around 0°C (33°F) and highs reaching only 13°C (56°F). This month sees a significant amount of precipitation at 128 mm (5.0 in) over 18 days, coupled with high humidity levels at 90%. In contrast, July offers a much warmer climate, with minimum temperatures of 7°C (44°F), an average of 17°C (63°F), and maximums soaring up to 33°C (92°F). Precipitation is also higher in July at 211 mm (8.3 in) over 20 days, but humidity is slightly lower at 82%. To learn more about the specifics of July weather, you can visit Rosenheim weather in July.

In December, the weather is characterized by significantly colder temperatures, with a minimum reaching -15°C (6°F) and an average of 0°C (33°F), while August enjoys much milder conditions, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 33°C (92°F). Precipitation is common in both months, but August sees a higher total of 202 mm (8.0 in) compared to December's 128 mm (5.0 in), despite both months experiencing precipitation on 18 days. Additionally, December's humidity levels are higher at 90%, compared to 80% in August, contributing to the overall chill in the winter air. For a more detailed look at August weather patterns, you can check out Rosenheim weather in August.

In December, the weather is significantly colder, with temperatures ranging from a chilly -15°C (6°F) to a mild 13°C (56°F), averaging around 0°C (33°F). This month sees higher humidity levels at 90% and ample precipitation, occurring over 18 days, totaling 128 mm (5.0 in). In contrast, September offers a much warmer climate with temperatures fluctuating between 0°C (32°F) and 26°C (80°F), averaging 13°C (56°F). Although September has slightly more precipitation at 138 mm (5.4 in), it occurs over fewer days (15 days), and the humidity is lower at 83%. The distinct seasonal differences highlight the transition from the crisp, cold days of December to the milder, transitional weather of September. For more detailed insights, you can check Rosenheim weather in September.

In December, temperatures in Rosenheim drop significantly, with a minimum of -15°C (6°F) and an average of 0°C (33°F), compared to October’s milder conditions that range from a minimum of -2°C (28°F) to an average of 9°C (49°F). While both months see high humidity levels at 90%, December experiences more precipitation over a longer duration, totaling 128 mm (5.0 in) across 18 days, compared to October's 118 mm (4.7 in) spread over 12 days. For more details about October weather, you can visit Rosenheim weather in October.

December's weather is significantly colder than November's, with average temperatures dropping to around 0°C (33°F) compared to November's milder 4°C (39°F). The minimum temperature in December can plummet to -15°C (6°F), creating a stark contrast to November's low of -9°C (15°F). Additionally, December sees nearly double the precipitation at 128 mm (5.0 in) over 18 days, while November has 75 mm (3.0 in) over just 10 days. Humidity levels remain similar, with December at 90% and November at 89%. For a detailed overview of November weather, you can visit Rosenheim weather in November.

Compare Rosenheim's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Rosenheim

As December settles over Rosenheim, the weather takes a distinct turn, bringing chilly temperatures that can plunge to -15°C (6°F), a stark contrast to the milder months that precede it. With an average temperature of around 0°C (33°F), this month is marked by a notable increase in precipitation, totaling about 128 mm (5.0 in) across 18 days, making it one of the wetter months of the year. A high humidity level of 90% further emphasizes the cold, damp atmosphere that blankets the region, highlighting the season's characteristic crispness. For a deeper understanding of how December fits into the broader climate patterns, explore more at Rosenheim Climate.