December Weather in Unterammergau, Germany

Last updated: February 26, 2025

In December, Unterammergau, Germany experiences a chilly winter climate characterized by a maximum temperature of 10°C (51°F) and an average low of -2°C (29°F), with nighttime temperatures plunging to a brisk minimum of -19°C (-1°F). The town receives substantial precipitation, totaling 123 mm (4.9 in) over approximately 18 wet days, leading to a high humidity level of 90%. This combination of cold temperatures and frequent rain creates a picturesque winter landscape, ideal for winter sports enthusiasts and those seeking the charm of a Bavarian village during the holiday season.

December Temperature in Unterammergau

In December, Unterammergau, Germany experiences the true chill of winter, with temperatures typically ranging from a minimum of -19°C (-1°F) to a maximum of 10°C (51°F). The average temperature hovers around -2°C (29°F), reflecting the transition into colder conditions that are characteristic of the season. This month sees a notable dip compared to the milder temperatures of November, where the average was slightly above freezing at 2°C (37°F). As the year closes, residents and visitors alike can expect crisp days, perfect for enjoying winter activities against the stunning Bavarian landscape, while cozying up in warm lodgings during the frosty nights.

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

The chart illustrates December temperature patterns in Unterammergau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec253035434958606052453629
Data source: Temperature data for Unterammergau 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 Unterammergau

In December, Unterammergau experiences a precipitation amount of 123 mm (4.9 in), consistent with the wetter months leading up to winter. With approximately 18 days of rainfall, the month showcases a notable increase in precipitation days compared to the quieter November, which had only 11 days of rain. Interestingly, December's rainfall mirrors that of January and October, highlighting a trend of increased moisture as the year closes. This pattern sets the stage for a cozy winter atmosphere in the Bavarian region, as festive spirit blends with the serene beauty of falling snow or drizzly days, illustrating the dynamic nature of weather in this charming locale.

December Precipitation Trends in Unterammergau

The chart displays monthly precipitation patterns in Unterammergau, 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.
JanFebMarAprMayJunJulAugSepOctNovDec10584989319919119921215912385123
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Unterammergau

In December, Unterammergau, Germany experiences a return to higher humidity levels, peaking at 90%, reminiscent of the winter months' damp conditions. This uptick follows a trend observed since the fall, where humidity consistently hovered around the low to mid-80s from March through August, gradually climbing through the autumn months. Notably, November also retained a substantial humidity level of 89%, setting the stage for December's moist atmosphere. As the year wraps up, the lingering chill in the air and heightened moisture contribute to the region's enchanting winter charm, highlighting the stark contrast to the drier late spring and summer months.

December Average Humidity in Unterammergau

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

As December arrives in Unterammergau, Germany, the UV Index dips to a low level of 2, echoing the trend of reduced UV exposure typical for the winter months. With a burn time of 45 minutes, this chilly month marks a significant contrast to the intense UV levels experienced during the summer, where indices soared to 9 in July and June. While the UV Index is at its lowest now, it’s a reminder of the safe sun practices that should always be considered, regardless of the season. With the winter sun’s weaker rays, outdoor activities can be enjoyed without heavy sun protection, but staying informed is key. For detailed insights on UV levels throughout the year, explore the full report at Unterammergau UV Index.

Maximum UV Index Levels in Unterammergau for December

The chart shows the monthly maximum UV Index (UVI) for Unterammergau 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.
JanFebMarAprMayJunJulAugSepOctNovDec235789986432
Data source: Unterammergau 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 Unterammergau

In Unterammergau, Germany, December brings 180 hours of sunshine, a notable drop as the year wraps up. This decrease is in line with the region's overall trend of diminishing daylight during the colder months, transitioning from a bright 398 hours in July to winter's shorter days. Despite the decline, December's sunlight still offers a glimmer of warmth and hope amidst the wintry chill. The month follows a gradual reduction through the fall, with November seeing 219 hours. As temperatures cool and the holiday season approaches, the crisp air and fleeting sunshine create a unique charm in this picturesque Bavarian village, inviting residents and visitors to savor the beauty of winter.

Monthly Sunshine Duration in Unterammergau: December Highlighted

The December sunshine duration represents the total number of hours Unterammergau 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.
JanFebMarAprMayJunJulAugSepOctNovDec160h225h291h341h346h374h398h359h299h273h219h180h
Data source: Unterammergau December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Unterammergau During December

In December, Unterammergau experiences a 33% chance of sunny weather, which mirrors the relatively subdued sunlight typical of late autumn. As winter approaches, the likelihood of sunshine remains moderate, contrasting with the brighter months of September, which boasts a 45% chance, and February, where the sun peeks out nearly half the time at 43%. This trend shows a gradual decline as the year progresses, with December continuing a pattern of lower sunshine probabilities seen in earlier winter months. Overall, while December’s sun may be elusive, it still offers a handful of bright days amidst the chilly backdrop, inviting residents and visitors alike to embrace the seasonal charm of this quaint German town.

Percentage of Sunny Days in December in Unterammergau

The chart illustrates the percentage of sunny days in Unterammergau 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 Unterammergau experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%43%42%40%29%35%32%31%45%38%34%33%
Data source: Unterammergau December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Unterammergau in December

In Unterammergau, Germany, the daylight duration showcases an intriguing seasonal rhythm throughout the year. December, with its 8 hours of daylight, marks the shortest days, echoing the pattern established in the preceding months of November and January. As winter sets in, the sunlight gradually diminishes, leading into the cold, dark days of mid-winter. Conversely, as the year progresses toward June, daylight peaks, offering a generous 15 hours that bathes the landscape in extended sunlight, a stark contrast to the shorter days of December. This seasonal cycle highlights the enchanting shift in nature, where spring and summer usher in a vibrant sanctuary of light, inviting exploration and appreciation of the stunning alpine scenery. The gentle ebb and flow of daylight throughout the year in Unterammergau truly emphasizes the beauty of each season's unique character.

Average Daylight Hours in Unterammergau for December

The chart illustrates the variation in daylight duration in Unterammergau throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 54m10h 15m11h 55m13h 39m15h 8m15h 54m15h 29m14h 10m12h 31m10h 48m9h 16m8h 29m
Data source: Unterammergau daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Unterammergau

In December, the wind in Unterammergau picks up slightly, reaching an average speed of 1.7 m/s (4 mph), which is a refreshing increase from the lighter breezes of the preceding months. Overall, the trend reveals a gentle decline in wind speeds during the warmer months, with July and August experiencing the calmest conditions at 1.4 m/s (3 mph). However, as winter sets in, the winds become a bit brisker, mirroring the natural shift in climate as the year draws to a close. This seasonal transition invites a unique charm, enhancing the village's picturesque winter landscape while maintaining a temperate, approachable atmosphere for visitors and locals alike.

Average December Wind Speed in Unterammergau

The chart displays monthly wind speed patterns in Unterammergau, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.61.61.61.71.51.41.41.31.51.41.7 m/s
Data source: Unterammergau December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Unterammergau Compares to Other Months

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

December and January weather conditions show a notable drop in temperatures from one month to the next. In December, the temperature ranges from a minimum of -19°C (-1°F) and averages around -2°C (29°F), while January sees even colder minimums of -30°C (-23°F) and an average temperature of -4°C (26°F). Precipitation levels also change slightly; December experiences 123 mm (4.9 in) over 18 days, whereas January has a total of 105 mm (4.1 in) across 12 days. Despite the lower precipitation, January maintains a high humidity level at 93%, slightly higher than December’s 90%. For more detailed insights, you can explore the Unterammergau weather in January.

December and February present notable contrasts in weather, with December generally being milder. In December, temperatures range from a minimum of -19°C (-1°F) to a maximum of 10°C (51°F), averaging around -2°C (29°F). The month sees significant precipitation, with 123 mm (4.9 in) spread over 18 days and high humidity at 90%. In contrast, February is colder, with temperatures dropping to a minimum of -25°C (-13°F) and peaking at 14°C (58°F), averaging -1°C (30°F). Although February receives less precipitation, at 84 mm (3.3 in) over 12 days, the humidity remains slightly lower at 89%. For a detailed look at February weather, visit Unterammergau weather in February.

December and March exhibit quite different weather patterns, reflecting the transition from winter to early spring. In December, temperatures range from a minimum of -19°C (-1°F) to a maximum of 10°C (51°F), with an average of -2°C (29°F), accompanied by high humidity at 90% and substantial precipitation of 123 mm (4.9 in) over 18 days. In contrast, March presents a slightly milder climate with minimum temperatures of -22°C (-7°F) and maximums reaching 17°C (64°F), averaging 2°C (35°F). This month still carries a notable amount of precipitation—98 mm (3.9 in) over 16 days—but humidity levels drop slightly to 86%. For more detailed weather insights, you can check out the specific conditions at Unterammergau weather in March.

When comparing the weather in December and April, it's clear that both months exhibit notable differences. December generally has a colder climate, with average temperatures hovering around -2°C (29°F) and occasional peaks of up to 10°C (51°F). The month experiences higher humidity at 90% and receives more precipitation, totaling 123 mm (4.9 in) over 18 days. In contrast, April sees a significant rise in average temperature to 6°C (43°F) with highs reaching 22°C (71°F). The precipitation in April is slightly lower at 93 mm (3.7 in), spread over 14 days, and the humidity drops to 83%. For a detailed overview of the weather conditions in April, you can check out Unterammergau weather in April.

December and May present contrasting weather conditions. In December, temperatures typically range from a chilling minimum of -19°C (-1°F) to a mild maximum of 10°C (51°F), with an average hovering around -2°C (29°F). The month experiences significant precipitation of 123 mm (4.9 in) over about 18 days, coupled with high humidity levels of 90%. In comparison, May offers a much warmer climate, featuring a minimum temperature of -11°C (13°F) and a maximum that can reach up to 27°C (81°F), resulting in an average temperature of 9°C (49°F). It also sees increased rainfall, with 199 mm (7.8 in) falling over 22 days, but the humidity is relatively lower at 78%. For more detailed insights into May weather, you can refer to Unterammergau weather in May.

December and June offer vastly different weather experiences. In December, temperatures can plummet to a minimum of -19°C (-1°F), with an average of -2°C (29°F) and a maximum of 10°C (51°F). The month sees considerable precipitation, averaging 123 mm (4.9 in) over 18 days, and a high humidity of 90%. In contrast, June brings a much milder climate, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 30°C (87°F) and an average of 15°C (59°F). Though June experiences slightly more precipitation at 191 mm (7.5 in) across 19 days, the humidity is lower at 79%. For a closer look at June weather in this area, check out Unterammergau weather in June.

December and July present strikingly contrasting weather conditions. In December, temperatures can plummet to as low as -19°C (-1°F), with an average of -2°C (29°F), creating a frigid atmosphere. The month sees 123 mm (4.9 in) of precipitation spread over 18 days, accompanied by high humidity at 90%. In contrast, July experiences a much warmer climate with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 31°C (87°F), leading to a comfortable average of 15°C (60°F). Precipitation increases to 199 mm (7.8 in) over 19 days, but the humidity is slightly lower at 82%. For more detailed insights into how July weather feels in this region, check out Unterammergau weather in July.

December and August present stark contrasts in weather conditions. In December, temperatures plunge to a minimum of -19°C (-1°F) and reach a maximum of 10°C (51°F), with an average temperature of -2°C (29°F). The month also sees considerable precipitation of 123 mm (4.9 in) over 18 days and high humidity at 90%. In contrast, August offers a much milder climate, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 29°C (85°F), averaging around 15°C (60°F). Precipitation increases to 212 mm (8.3 in) over 20 days, with humidity slightly lower at 80%. To explore more about the weather specifics in August, you can check Unterammergau weather in August.

In December, the weather is much colder than in September, with average temperatures hovering around -2°C (29°F) compared to a warmer average of 11°C (53°F) in September. The minimum temperatures in December can plunge to -19°C (-1°F), whereas September experiences milder lows at -2°C (28°F). Precipitation levels are also noteworthy; December sees around 123 mm (4.9 in) of rain over 18 days, while September has slightly higher precipitation at 158 mm (6.2 in) over 16 days. Notably, humidity in December is higher at 90%, compared to September's 83%, contributing to a different feel to the air. For more specifics about September weather, you can check out Unterammergau weather in September.

December weather tends to be much colder than October, with average temperatures dropping from a mild 7°C (46°F) in October to a chilling -2°C (29°F) in December. While both months experience the same amount of precipitation—123 mm (4.9 in)—December sees this precipitation spread over 18 days compared to October's 13 days. The humidity remains consistently high at 90% for both months, but the stark difference in temperatures makes December feel significantly chillier. For more specific insights, you can check out Unterammergau weather in October.

December weather tends to be markedly colder than November, with December experiencing minimum temperatures of -19°C (-1°F) compared to November's milder minimum of -12°C (11°F). The average temperature in December hovers around -2°C (29°F), while November enjoys a more temperate average of 2°C (37°F). Additionally, December sees significantly more precipitation, totaling 123 mm (4.9 in) over 18 days, compared to 85 mm (3.3 in) over just 11 days in November. Humidity levels remain quite similar, with December at 90% and November at 89%. For a closer look at November's conditions, you can check out Unterammergau weather in November.

Compare Unterammergau's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Unterammergau

As December unfolds in Unterammergau, the weather takes a notable turn, emphasizing the chilly embrace of winter. With temperatures dipping significantly, residents and visitors alike experience a stark contrast to the milder months that precede it. This month sees an average temperature hovering around -2°C (29°F), alongside a remarkable humidity level of 90%, which can make the cold feel even more piercing. Additionally, December brings increased precipitation, with about 18 days seeing rain or snow, contributing to a total that often exceeds 123 mm (4.9 in). This seasonal shift not only transforms the landscape into a winter wonderland but also enhances the festive atmosphere of the village. To learn more about the distinct climate characteristics throughout the year, dive deeper into our detailed overview at Unterammergau Climate.