December Weather in Passau, Germany

Last updated: February 26, 2025

In December, Passau, Germany, experiences a chilly climate characterized by a maximum temperature of 13°C (56°F) and a minimum of -6°C (21°F), leading to an average of 2°C (36°F) throughout the month. This period sees significant precipitation, with about 100 mm (3.9 in) falling over approximately 15 days, contributing to the city's damp conditions, marked by a high humidity level of 92%. As the festive season unfolds, the cold air and occasional rain create a wintry atmosphere, perfect for cozy indoor activities and enjoying the charm of the season in this picturesque Bavarian town.

December Temperature in Passau

In December, Passau, Germany, experiences a notable transition into winter, characterized by increasingly chilly temperatures. The minimum temperature hovers around -6°C (21°F), while the average temperature stands at a brisk 2°C (36°F). Although daytime highs can reach a relatively mild 13°C (56°F), the sharp drop in the early mornings serves as a clear reminder that winter is settling in. As the year wraps up, the cooling trend becomes evident, with December temperatures marking a significant shift from the mildness of autumn, showcasing the region's distinct seasonal changes and preparing the landscape for a blanket of snow. This month serves not only as a transition but also as a precursor to the frosty chill of January ahead.

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

The chart illustrates December temperature patterns in Passau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec323641505767676859514136
Data source: Temperature data for Passau 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 Passau

December in Passau, Germany, heralds a notable increase in precipitation, with an impressive 100 mm (3.9 in) collected over the month. This surge not only marks the highest rainfall of the year but also aligns with a substantial 15 days of precipitation, reflecting a trend toward wetter winters in recent years. As temperatures drop and the holiday season approaches, the city experiences a shift from the milder, drier conditions of November, which received just 52 mm (2.1 in) over 8 days. The contrast between these two months showcases how December transforms Passau into a picturesque, rain-kissed landscape, perfect for cozy winter atmospheres. As the last month of the year wraps up, the increased rainfall emphasizes the region's seasonal transition and prepares the ground for the fresh blooms of spring to come.

December Precipitation Trends in Passau

The chart displays monthly precipitation patterns in Passau, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7061714297978997706752100
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Passau

In December, Passau experiences a notable increase in humidity, reaching 92%, the highest for the year. This spike in moisture contrasts with the drier months of May and June, when humidity levels drop to 76%. As the year progresses, a gradual rise in humidity is observed, peaking in the coldest month. The transition from the fresher air of April's 82% to November's 89% sets the stage for this winter crescendo. Overall, the trend reveals that as winter envelops Passau, the air becomes increasingly saturated, contributing to the city's chilly yet magical atmosphere.

December Average Humidity in Passau

This chart illustrates the average monthly humidity levels in Passau, 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%82%76%80%80%82%82%87%89%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Passau

In December, Passau experiences a notable dip in the UV Index, reaching a low of 1, which translates to a minimal exposure risk and a burn time of 45 minutes. This indicates that the city's winter season has firmly set in, providing a stark contrast to the peak UV levels seen during the sun-drenched summer months, where values soared to 9. The trend clearly shows a gradual descent from the moderate levels of fall to the protection-friendly conditions of winter, making December an ideal time for outdoor activities without the worry of sunburn. For more detailed information on UV trends throughout the year, visit Passau UV Index.

Maximum UV Index Levels in Passau for December

The chart shows the monthly maximum UV Index (UVI) for Passau 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: Passau 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 Passau

December in Passau, Germany, brings a gentle shift as the days grow shorter and the year nears its end, with 159 hours of sunshine illuminating the city. This marks a notable decline from the peak of 420 hours in July, reflecting the natural ebb and flow of daylight throughout the seasons. While December doesn't quite reach the brightness of spring or summer, it still offers moments of warmth and light amidst the winter chill. The decrease from November's 216 hours showcases the transition into winter, yet there's a certain charm in the softer sunlight that adds a unique beauty to Passau's festive atmosphere during the holiday season. As the year closes, the city prepares to embrace the longer, sunnier days that await in the coming months.

Monthly Sunshine Duration in Passau: December Highlighted

The December sunshine duration represents the total number of hours Passau 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.
JanFebMarAprMayJunJulAugSepOctNovDec139h223h287h343h357h396h420h374h298h268h216h159h
Data source: Passau December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Passau During December

In Passau, Germany, December brings a notable dip in sunny days, with only an 18% chance of sunshine. This decline marks the tail end of a gradual decrease in sunny weather as the year progresses; the year starts with a modest 17% in January, experiences a peak of 51% in September, and then descends through the late months, culminating in the cloudy days of winter. As the festive season approaches, the likelihood of clear skies diminishes significantly, making December a time when residents and visitors alike should prepare for a predominantly gray ambiance rather than basking in sunlight.

Percentage of Sunny Days in December in Passau

The chart illustrates the percentage of sunny days in Passau 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 Passau experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%40%45%40%26%37%37%31%51%37%26%18%
Data source: Passau December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Passau in December

In Passau, Germany, the daylight duration varies significantly throughout the year, showcasing a distinct seasonal pattern. As winter arrives, December sees daylight dropping to 8 hours, mirroring the low point of January. However, by the time spring unfolds, daylight begins to extend, peaking at 16 hours in June. This gradual increase is evident from March's 11 hours to May's 15 hours, reflecting the reawakening of nature. As summer fades into autumn, daylight slowly recedes again, with September enjoying 12 hours, before yielding to shorter days in October and November. Overall, Passau experiences a rhythmic dance of light and darkness, illustrating the beauty of its seasonal transitions.

Average Daylight Hours in Passau for December

The chart illustrates the variation in daylight duration in Passau throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 47m10h 11m11h 55m13h 42m15h 15m16h 2m15h 37m14h 15m12h 32m10h 45m9h 10m8h 21m
Data source: Passau daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Passau

In December, Passau, Germany experiences a gentle resurgence in wind speed, averaging 2.8 m/s (6 mph), echoing the conditions found at the very beginning of the year. This slight uptick from November's average hints at a trend where winter brings with it a subtle boost in breeziness, perhaps invigorating the air with a crisp freshness as the year winds down. December’s winds blend with the festive atmosphere, creating a charming backdrop for holiday revelers. Overall, while the year exhibits generally calm winds, this slight December increase mirrors the natural rhythm of the seasons in this picturesque riverside city.

Average December Wind Speed in Passau

The chart displays monthly wind speed patterns in Passau, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.42.52.63.12.22.12.32.12.32.52.8 m/s
Data source: Passau December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Passau Compares to Other Months

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

December weather is characterized by slightly milder temperatures, with average highs reaching up to 13°C (56°F) and lows around -6°C (21°F). The month experiences a significant amount of precipitation, totaling 100 mm (3.9 in) over approximately 15 days, along with high humidity levels of 92%. In contrast, January sees colder temperatures, with average lows dropping to -14°C (7°F) and maintaining a similar maximum of 13°C (55°F). Although precipitation decreases to 70 mm (2.7 in) over about 10 days, the humidity remains relatively high at 91%. For a more detailed look at January weather, check out this link: Passau weather in January.

December weather in Passau features a chilly range of temperatures, with a minimum of -6°C (21°F) and an average around 2°C (36°F), reaching a maximum of 13°C (56°F). The month sees substantial precipitation, totaling 100 mm (3.9 in) spread over 15 days, along with high humidity levels averaging 92%. In contrast, February experiences colder conditions with a minimum temperature dropping to -14°C (7°F), while maintaining an average of 2°C (37°F) and a maximum of 18°C (64°F). Precipitation decreases to 61 mm (2.4 in) over 12 days, with slightly lower humidity at 89%. For more details on the February weather in Passau, visit Passau weather in February.

In comparing the weather between December and March, December typically presents colder temperatures, with average highs around 2°C (36°F) and lows dipping to -6°C (21°F). The month experiences considerable precipitation, averaging 100 mm (3.9 in) over approximately 15 days and high humidity at 92%. In contrast, March sees temperatures gradually rising, with an average low of -17°C (2°F) and highs reaching 21°C (70°F). Although March has less precipitation, totaling around 71 mm (2.8 in) across 13 days, humidity remains relatively high at 87%. For a detailed look at conditions during this month, check out Passau weather in March.

December and April exhibit stark contrasts in weather patterns. In December, temperatures range from a minimum of -6°C (21°F) to a maximum of 13°C (56°F), with an average temperature of around 2°C (36°F). This month sees significant precipitation, totaling about 100 mm (3.9 in) over approximately 15 days, and humidity levels are notably high at 92%. In contrast, April warms up considerably, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 27°C (80°F), and an average of 10°C (50°F). Precipitation decreases to 41 mm (1.6 in) over just 7 days, and humidity drops to 82%. For more details, you can check Passau weather in April.

December and May present contrasting weather patterns in terms of temperature, precipitation, and humidity. In December, temperatures can dip as low as -6°C (21°F) with an average of 2°C (36°F) and a maximum of 13°C (56°F). The month is characterized by high humidity at 92%, along with significant precipitation of 100 mm (3.9 in) spread across 15 days. In contrast, May experiences much milder conditions, starting with minimum temperatures reaching 0°C (33°F) and averaging 14°C (57°F), peaking at a warm 31°C (87°F). Despite slightly lower total precipitation of 97 mm (3.8 in) over the same number of days, the humidity is notably lower at 76%. This shift from the cold and damp December to the warm and relatively pleasant May is evident in Passau weather in May.

December and June in Passau present stark contrasts in weather. December’s temperatures average around 2°C (36°F), with a cold minimum of -6°C (21°F) and a maximum of only 13°C (56°F). The month tends to be quite humid, with an average humidity of 92% and around 100 mm (3.9 in) of precipitation over 15 days. In contrast, June is much milder and more pleasant, boasting an average temperature of 19°C (67°F), with lows of 5°C (41°F) and highs peaking at 34°C (94°F). Precipitation in June is slightly lower at 97 mm (3.8 in), occurring over just 10 days, and the humidity decreases to 80%. For a closer look at Passau's June climate, visit Passau weather in June.

The weather in December is markedly cooler than in July, with average temperatures hovering around 2°C (36°F) compared to a much warmer average of 20°C (68°F) in July. In December, temperatures can dip as low as -6°C (21°F), while July experiences milder lows of 10°C (50°F). Precipitation levels are relatively similar, with December receiving 100 mm (3.9 in) over 15 days, while July sees slightly less at 89 mm (3.5 in) across 14 days. Humidity also differs, measuring 92% in December versus 80% in July, contributing to a more oppressive feel during the winter months. For more insights into July's climate, you can visit Passau weather in July.

December and August present stark contrasts in weather, highlighting the shift from winter to summer. In December, temperatures can plummet to a minimum of -6°C (21°F), with an average of 2°C (36°F) and a maximum of 13°C (56°F). The month is also marked by significant precipitation, amounting to 100 mm (3.9 in) over approximately 15 days, accompanied by a high humidity level of 92%.

In contrast, August enjoys much warmer temperatures, with lows of 8°C (46°F), an average of 20°C (68°F), and highs reaching 35°C (95°F). Although August experiences a similar amount of precipitation at 96 mm (3.8 in) over about 13 days, the humidity is relatively lower at 82%. For more details on weather conditions, you can check Passau weather in August.

In December, the weather becomes notably colder, with average temperatures hovering around 2°C (36°F) and a maximum of 13°C (56°F), while September enjoys much milder conditions with averages of 15°C (59°F) and highs reaching 30°C (87°F). When it comes to precipitation, December experiences more rainfall, totaling about 100 mm (3.9 in) across 15 days, compared to September's 70 mm (2.7 in) over 11 days. Additionally, December's humidity is higher at 92%, in contrast to September's more comfortable 82%. For a detailed overview of September weather, you can explore Passau weather in September.

In comparison to October, December's weather is significantly colder and wetter. While October sees milder temperatures ranging from a minimum of 1°C (34°F) to a maximum of 23°C (74°F), December struggles with temperatures that dip to as low as -6°C (21°F) and only averages around 2°C (36°F). Additionally, December experiences more precipitation, accumulating about 100 mm (3.9 in) over 15 days, compared to October's 67 mm (2.6 in) spread over 11 days. Humidity also rises in December, reaching 92%, while October stands at a slightly lower 87%. For a detailed overview of October's climate in Passau, you can refer to Passau weather in October.

December generally experiences colder temperatures compared to November, with average highs of only 2°C (36°F) versus November's milder 5°C (41°F). Additionally, December tends to be wetter, with 100 mm (3.9 in) of precipitation over 15 days, while November sees considerably less at 52 mm (2.1 in) across just 8 days. Humidity levels are also slightly higher in December at 92%, compared to November’s 89%. For a more detailed look at November weather patterns, you can check Passau weather in November.

Compare Passau's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Passau

As December ushers in the winter chill, Passau transforms into a quaint, frosty landscape. The crisp air, with its average temperature hovering around 2°C, contrasts starkly with milder months, making it essential to bundle up while exploring this picturesque city. Frequent precipitation, with rain or snow on about 15 days, adds to the festive ambiance, contributing to the overall humidity of 92%. While other months may invite outdoor activities comfortably, December calls for cozy indoor experiences and holiday celebrations. For a deeper dive into Passau's climate variations throughout the year, visit Passau Climate.