December Weather in Diessen am Ammersee, Germany

Last updated: February 26, 2025

December in Diessen am Ammersee, Germany, brings a chilly embrace, with maximum temperatures reaching 13°C (56°F) while the average settles at a brisk 2°C (36°F). The month often dips to a frigid minimum of -7°C (20°F), making it a time for cozy gatherings. With 96 mm (3.8 in) of precipitation spread over 17 days, expect plenty of wet weather interludes, complemented by a high humidity level of 90%. This combination creates a picturesque winter landscape, perfect for those looking to experience the serene beauty of a German winter.

December Temperature in Diessen am Ammersee

December in Diessen am Ammersee marks the transition into winter, with temperatures reflecting a crisp chill in the air. The month typically sees minimum temperatures around -7°C (20°F), creating a chilly atmosphere perfect for cozy gatherings. The average temperature hovers at about 2°C (36°F), reminding residents and visitors alike of the frosty charm of the season. While daytime highs can reach up to 13°C (56°F), the stark contrast from the warmer months is evident, as the region slowly succumbs to winter's embrace. Overall, December encapsulates the essence of a German winter, inviting everyone to enjoy the serene beauty of snow-dusted landscapes and the warmth of holiday festivities.

December Weather in Diessen am Ammersee: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Diessen am Ammersee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec333741485564656657504036
Data source: Temperature data for Diessen am Ammersee 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 Diessen am Ammersee

In December, Diessen am Ammersee experiences a notable uptick in precipitation, receiving 96 mm (3.8 in) across 17 days—one of the wetter months of the year. This increase follows a trend of decreasing rainfall from the previous months, with November recording only 54 mm over 10 days. The return of consistently damp weather in December signifies a shift as the region transitions deeper into winter. Notably, while precipitation levels soar, the number of rainy days suggests frequent, though often light, showers that contribute to a festive atmosphere and the enchanting winter landscape of this picturesque German town.

December Precipitation Trends in Diessen am Ammersee

The chart displays monthly precipitation patterns in Diessen am Ammersee, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7974725513612512413694865496
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Diessen am Ammersee

In Diessen am Ammersee, December marks a notable trend in humidity levels, maintaining a high of 90%—a figure consistent with both the onset of winter and the elevated levels seen in October and November. As the year progresses, humidity typically begins its slow decline from the 93% peak in January, gradually decreasing as the milder months approach. By the time summer arrives in June, the humidity slightly stabilizes around 79%, but as the colder months set in, the levels climb again. This cyclical nature underscores the region's characteristic dampness, particularly pronounced in the final quarter of the year, highlighting December's place as a fitting conclusion to the season’s atmospheric embrace.

December Average Humidity in Diessen am Ammersee

This chart illustrates the average monthly humidity levels in Diessen am Ammersee, 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 Diessen am Ammersee

As winter blankets Diessen am Ammersee, the UV Index in December reflects a notable decline, falling to 1—the lowest of the year—indicating low exposure levels and a generous burn time of 45 minutes. This trend marks a stark contrast to the peak intensity reached during the summer months, where values soared to 9 in both June and July, categorized as very high. Throughout the year, UV levels generally rise from 2 in January, subtly climbing through spring and reaching their peak between May and August. As the year winds down, residents can enjoy the outdoors with a reduced risk of skin damage, making December a perfect time to bask in the crisp winter air. For more detailed information on the UV Index throughout the year, visit Diessen am Ammersee UV Index.

Maximum UV Index Levels in Diessen am Ammersee for December

The chart shows the monthly maximum UV Index (UVI) for Diessen am Ammersee 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: Diessen am Ammersee 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 Diessen am Ammersee

Diessen am Ammersee experiences a captivating journey of sunlight throughout the year, with December offering a gentle 172 hours of dazzling sunshine. While this is a decrease compared to the vibrant months of May and June, which bask in over 350 hours each, December's softer light has its own charm, inviting visitors to embrace the serene winter landscape. As the year winds down, it's fascinating to observe a gradual decline in daylight hours from the summer peak of 406 hours in July, highlighting the region's distinct seasonal rhythm. This trend reflects not only the ebb and flow of sunlight but also the cozy atmosphere that winter brings to Diessen, making it an enchanting destination for those seeking tranquility amidst nature.

Monthly Sunshine Duration in Diessen am Ammersee: December Highlighted

The December sunshine duration represents the total number of hours Diessen am Ammersee 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.
JanFebMarAprMayJunJulAugSepOctNovDec150h223h288h344h356h380h406h370h305h265h215h172h
Data source: Diessen am Ammersee December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Diessen am Ammersee During December

In Diessen am Ammersee, the likelihood of sunny weather in December typically hovers around 21%, reflecting one of the lowest chances of sunshine throughout the year. This follows a gradual decline from the moderately sunnier months of September, which boasts a 47% chance of sun, into the cooler late fall and early winter seasons. Notably, after November's 25% likelihood, December's chances drop further, indicating that as the year closes, cloudy and overcast skies tend to prevail. With winter settling in, the possibility of bright, sunny days becomes increasingly scarce, making those rare moments of sunlight all the more cherished.

Percentage of Sunny Days in December in Diessen am Ammersee

The chart illustrates the percentage of sunny days in Diessen am Ammersee 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 Diessen am Ammersee experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%40%41%43%31%36%33%34%47%34%25%21%
Data source: Diessen am Ammersee December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Diessen am Ammersee in December

As the year winds down in Diessen am Ammersee, December brings a familiar chill alongside a return to shorter days, with daylight lasting just 8 hours. The month follows a steady decline in sunlight that begins after the peak of 15 hours in both May and June. As autumn arrives, daylight gradually diminishes, marking November with only 9 hours. This trend of decreasing daylight amidst the cozy ambiance of winter highlights the seasonal shifts, making December a month to cherish the warmth of indoor gatherings as the landscape outside dons its serene, twilight hues. The cyclical nature of daylight in Diessen illustrates the enchanting rhythm of the seasons, reminding us to enjoy the beauty of each unique moment.

Average Daylight Hours in Diessen am Ammersee for December

The chart illustrates the variation in daylight duration in Diessen am Ammersee throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 52m10h 13m11h 55m13h 40m15h 10m15h 56m15h 32m14h 12m12h 31m10h 47m9h 15m8h 26m
Data source: Diessen am Ammersee daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Diessen am Ammersee

As December settles over Diessen am Ammersee, the winds begin to pick up, averaging 3.0 m/s (7 mph) — a refreshing increase from the calmer months preceding it. This marks a noticeable surge compared to the lull of summer, where wind speeds dipped to their lowest around 2.2 m/s (5 mph) in July. Interestingly, the early part of the year exhibits a slight variability, with January starting the trend at 3.3 m/s before gradually declining through the spring. The consistent increase in December's winds hints at the seasonal transitions, inviting both the chill of winter and a brisk atmosphere, perfect for invigorating strolls by the lake as nature prepares for its serene hibernation.

Average December Wind Speed in Diessen am Ammersee

The chart displays monthly wind speed patterns in Diessen am Ammersee, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.32.83.02.53.42.32.22.42.02.32.43.0 m/s
Data source: Diessen am Ammersee December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Diessen am Ammersee Compares to Other Months

The weather in Diessen am Ammersee 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 Diessen am Ammersee and find detailed weather information for every month.

In December, the weather in Diessen am Ammersee is relatively mild with temperatures ranging from a chilly minimum of -7°C (20°F) to a pleasant maximum of 13°C (56°F), averaging around 2°C (36°F). The month sees an average precipitation of 96 mm (3.8 in) over 17 days, accompanied by high humidity levels at 90%. In contrast, January ushers in colder conditions, with temperatures dropping to a minimum of -20°C (-4°F) and an average of 0°C (33°F), peaking at a maximum of 15°C (60°F). Precipitation decreases slightly to 79 mm (3.1 in) over 11 days, while humidity remains high at 93%. For more detailed information, visit Diessen am Ammersee weather in January.

December and February exhibit distinct weather patterns despite their proximity in the winter season. In December, temperatures range from a low of -7°C (20°F) to a moderate high of 13°C (56°F), with an average of 2°C (36°F). The month sees considerable precipitation, totaling 96 mm (3.8 in) over 17 days, coupled with high humidity levels around 90%. Conversely, February presents a slightly colder profile, featuring minimum temperatures dipping to -15°C (6°F) and maximums reaching up to 18°C (64°F), while maintaining an average of 3°C (37°F). Precipitation in February is lower at 74 mm (2.9 in) over 12 days, and humidity remains similarly high at 89%. For a deeper look at February conditions, visit Diessen am Ammersee weather in February.

December and March present contrasting weather patterns. In December, temperatures range from a chilly -7°C (20°F) to a milder high of 13°C (56°F), with an average of 2°C (36°F). The month experiences significant precipitation, totaling 96 mm (3.8 in) over 17 days, coupled with high humidity at 90%. In contrast, March experiences a broader temperature range, from a low of -13°C (9°F) to a pleasant high of 20°C (69°F), averaging 5°C (41°F). Precipitation decreases to 72 mm (2.8 in) across 14 days, with humidity slightly lower at 86%. For more details about the weather in March, you can check Diessen am Ammersee weather in March.

December in Diessen am Ammersee is characterized by chilly temperatures, with a minimum of -7°C (20°F) and an average of 2°C (36°F), while the maximum reaches up to 13°C (56°F). The month experiences significant precipitation, averaging 96 mm (3.8 in) over 17 days, coupled with high humidity levels at 90%. In contrast, April brings a noticeable warming trend, with minimum temperatures of -5°C (23°F) and an average of 9°C (48°F), peaking at 26°C (79°F). Precipitation decreases to 55 mm (2.2 in) over only 10 days, and humidity drops to 83%. For a detailed overview of the weather in April, you can visit Diessen am Ammersee weather in April.

December and May present stark contrasts in weather. In December, temperatures can plummet as low as -7°C (20°F), with an average lying around 2°C (36°F), while highs reach only up to 13°C (56°F). The month experiences high humidity levels at 90% and sees precipitation on 17 days, totaling 96 mm (3.8 in). In contrast, May boasts much milder conditions, with minimum temperatures around -1°C (31°F) and average highs peaking at a warm 30°C (87°F). However, May experiences more rainfall, totaling 136 mm (5.4 in) over 19 days, with slightly lower humidity at 78%. For a detailed look at May weather, check this link: Diessen am Ammersee weather in May.

In December, the weather is notably colder, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 13°C (56°F) and an average of just 2°C (36°F). This month sees significant precipitation, totaling 96 mm (3.8 in) over 17 days, accompanied by a high humidity level of 90%. In contrast, June brings a much warmer climate, featuring temperatures that range from a minimum of 5°C (40°F) to a maximum of 33°C (92°F), with an average of 18°C (64°F). Although June experiences slightly more precipitation at 125 mm (4.9 in) over 15 days, the humidity is lower at 79%. For those interested in the specifics of June's climate, you can explore more here: Diessen am Ammersee weather in June.

December and July present contrasting weather experiences in Diessen am Ammersee. In December, temperatures can drop as low as -7°C (20°F) and only reach an average of 2°C (36°F), while July enjoys much warmer conditions, with minimums around 8°C (47°F) and an average high of 19°C (66°F), soaring up to 33°C (91°F) on the warmest days. Precipitation is notable in both months, with December receiving 96 mm (3.8 in) over 17 days and July slightly wetter at 124 mm (4.9 in) over 16 days. Despite July being more humid at 82%, December's humidity is even higher at 90%, contributing to the chilly, damp feel of winter. For more specific insights into July's weather patterns, refer to Diessen am Ammersee weather in July.

December and August display strikingly different weather patterns in Diessen am Ammersee. December experiences colder temperatures, with a minimum of -7°C (20°F) and an average of only 2°C (36°F). In contrast, August boasts much warmer conditions, with a minimum of 8°C (47°F) and an average of 19°C (66°F). Precipitation is relatively high in both months, but August sees more rainfall at 136 mm (5.4 in) over 16 days, compared to December's 96 mm (3.8 in) over 17 days. Furthermore, December's humidity levels are higher at 90%, while August has a slightly lower humidity of 80%. For a closer look at the climate in August, you can visit Diessen am Ammersee weather in August.

When comparing the weather in December and September, notable differences emerge in temperature and humidity. December experiences significantly colder temperatures, with average highs around 2°C (36°F) and lows dropping to -7°C (20°F), contrasting sharply with September’s milder averages of 14°C (58°F) during the day and a minimum of 2°C (36°F) at night. Although precipitation levels are similar—96 mm (3.8 in) in December and 94 mm (3.7 in) in September—December sees rain over 17 days compared to 13 days in September. Additionally, December's humidity is higher at 90%, while September maintains a slightly lower humidity of 83%. For more detailed information, you can visit Diessen am Ammersee weather in September.

In comparing the weather between December and October, it's clear to see a significant shift in temperature and precipitation patterns. December experiences colder temperatures, with a minimum of -7°C (20°F) and an average of only 2°C (36°F), while October boasts a milder climate, featuring a minimum of -1°C (31°F) and an average of 10°C (50°F). The maximum temperatures in October also peak higher at 23°C (74°F), compared to December's maximum of 13°C (56°F). Additionally, while precipitation is slightly higher in December at 96 mm (3.8 in) across 17 days, October sees a lower total of 86 mm (3.4 in) over 11 days. Despite the similarities in humidity levels, both months remain at 90%, highlighting the dampness prevalent in this region. For more detailed insights, you can explore the Diessen am Ammersee weather in October.

In comparing the weather of December and November, 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), while November sees slightly milder conditions with temperatures from -3°C (26°F) to a maximum of 19°C (67°F). Precipitation levels are notably higher in December, totaling 96 mm (3.8 in) over 17 days compared to November's 54 mm (2.1 in) across 10 days. Humidity levels remain relatively high in both months, with December at 90% and November slightly lower at 89%. For more insights, you can explore Diessen am Ammersee weather in November.

Compare Diessen am Ammersee's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Diessen am Ammersee

As December settles over Diessen am Ammersee, the weather transforms dramatically compared to previous months, bringing a crisp chill and atmospheric charm. With an average temperature hovering just above freezing, the landscape often dons a blanket of frost, creating picturesque winter scenes. The increased humidity and heightened precipitation mean that visitors can expect snowy days alongside the occasional winter sun, making this month notably wetter and colder than its autumn predecessors. The 17 rainy days elevate the sense of coziness in local cafes, inviting everyone to warm up with a hot drink while enjoying the festive ambiance. For a more comprehensive understanding of how Diessen's climate fluctuates throughout the year, check out Diessen am Ammersee Climate.