December Weather in Bolzano, Italy

Last updated: March 24, 2025

December in Bolzano, Italy is marked by a charming winter atmosphere that captivates visitors. With maximum temperatures reaching a comfortable 12°C (54°F) and an average chill of 0°C (33°F), the season offers a balance of cool days and cold nights, where temperatures can plunge to a minimum of -16°C (3°F). The month experiences considerable precipitation, amounting to 105 mm (4.1 in) over about 10 days, draping the landscape in a scenic layer of snow. High humidity levels around 90% add to the wintry ambiance, making December the perfect time to embrace Bolzano's festive spirit and indulge in its enchanting holiday festivities.

December Temperature in Bolzano

As December embraces Bolzano, Italy, the city's temperatures start to dip further into winter, showcasing a notable drop in warmth compared to the preceding months. With a minimum of -16°C (3°F) and an average hovering around 0°C (33°F), the chill signifies the season's arrival, yet it remains surprisingly milder than January's biting cold. Daytime highs can reach up to 12°C (54°F), offering a brief respite and opportunities for outdoor exploration, especially with the festive charm adorning the streets. This month marks a transition into harsher winter conditions, following November's more moderate temperatures, and sets the stage for the icy scenery that defines Bolzano in the months ahead. The blend of cold air and occasional sunlight creates a picturesque winter landscape that captivates both locals and visitors alike.

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

The chart illustrates December temperature patterns in Bolzano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec303641485564666659514133
Data source: Temperature data for Bolzano 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 Bolzano

In Bolzano, Italy, December often presents a transition into winter, with an average precipitation of 105 mm (4.1 in) over approximately 10 rainy days. This marks a slight decrease from the previous month, November, which is known for its heavier rainfall at 143 mm. Interestingly, December's precipitation is consistent with the general trend of increased rainfall experienced during autumn, leading into winter. As the year closes, Bolzano experiences a notable decline in precipitation from the spring peaks of May and April, which receive upwards of 102 mm each. Yet, December remains a significant month, contributing to the region's overall annual rainfall and setting the stage for the upcoming frosty months.

December Precipitation Trends in Bolzano

The chart displays monthly precipitation patterns in Bolzano, 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.
JanFebMarAprMayJunJulAugSepOctNovDec50627210212471739478141143105
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bolzano

In December, Bolzano experiences a notable level of humidity at 90%, aligning closely with the chillier months that precede it. Throughout the year, humidity levels tend to be highest during the colder months, with January leading the way at 93%. As the year progresses from spring to summer, humidity gradually decreases, reaching its lowest point in May at 78%. However, as autumn sets in, humidity climbs again, making October and November quite damp, both hovering around the 89% mark. This trend highlights Bolzano's seasonal fluctuations, where the crisp winter air carries a tangible moisture, setting the stage for a winter wonderland.

December Average Humidity in Bolzano

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

In Bolzano, Italy, the December UV Index dips to 2, categorizing it as a low exposure month, which means residents and visitors can enjoy the season's festivities with minimal sun protection needed—burn time extends to 45 minutes. This pattern reflects a general trend throughout the colder months, where UV levels gradually decrease from the heights of summer—peaking at 10 in June and July—down to the lower levels associated with winter. As the year transitions, February introduces a moderate UV Index of 3, hinting at an early sign of spring as the days grow longer. For more detailed insights on UV radiation throughout the year, check out the Bolzano UV Index.

Maximum UV Index Levels in Bolzano for December

The chart shows the monthly maximum UV Index (UVI) for Bolzano 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.
JanFebMarAprMayJunJulAugSepOctNovDec23679101097532
Data source: Bolzano 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 Bolzano

In Bolzano, Italy, December brings a gentle decline in sunlight hours, totaling 211 hours, as the city transitions deeper into winter. The month stands in contrast to the sun-drenched summer peak of 417 hours in July, showcasing how dramatically the length of daylight fluctuates throughout the year. As we move from the vibrant 358 hours of May into the cozy ambiance of December, it's clear that the darker months set the stage for a quieter yet equally charming side of Bolzano. Although the days shorten, the warmth of the festive season fills the air with joy, making this picturesque town a delightful winter retreat despite the dwindling sunshine.

Monthly Sunshine Duration in Bolzano: December Highlighted

The December sunshine duration represents the total number of hours Bolzano 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.
JanFebMarAprMayJunJulAugSepOctNovDec190h251h320h343h358h398h417h379h319h289h221h211h
Data source: Bolzano December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bolzano During December

When considering the likelihood of sunny weather in December in Bolzano, Italy, the data reveals a notable trend in the region's seasonal sunshine. December boasts a 48% chance of sun, positioning it favorably compared to the preceding months. Interestingly, as the year progresses, the likelihood of sunlight generally increases, peaking in March at 59% before tapering off in the cooler months. While December's chances are not the highest, they align closely with the averages seen in late autumn, suggesting that visitors might still enjoy some pleasant winter days amidst the unique charm of Bolzano's holiday season.

Percentage of Sunny Days in December in Bolzano

The chart illustrates the percentage of sunny days in Bolzano 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 Bolzano experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%49%59%48%35%44%39%44%47%49%41%48%
Data source: Bolzano December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bolzano in December

In Bolzano, Italy, December ushers in a cozy ambiance with a daylight duration of only 8 hours, marking the shortest days of the year. As winter settles in, this reduction continues the trend established in the preceding months, where daylight gradually diminishes from 15 hours in June to 9 hours in November. This gradual decline highlights the seasonal shift, drawing a comforting contrast to the longer, sun-drenched days of spring and summer. As the year winds down, residents can embrace the charm of early twilight, setting the stage for festive celebrations and the warm glow of winter gatherings.

Average Daylight Hours in Bolzano for December

The chart illustrates the variation in daylight duration in Bolzano throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 2m10h 19m11h 56m13h 35m15h 1m15h 44m15h 21m14h 5m12h 30m10h 51m9h 23m8h 38m
Data source: Bolzano daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Bolzano

As December settles in Bolzano, Italy, the city experiences a gentle breeze with an average wind speed of 1.1 m/s (2 mph). This comforting wind pattern is consistent with the previous months, illustrating a slight increase compared to the calmer winter beginnings in January and February, which both recorded 1.0 m/s. The wind remains steady throughout the year, fluctuating only marginally but generally hovering around 1.0 m/s. By December, it quietly enhances the serene winter atmosphere, providing a soft whisper of nature amid the cheerful holiday decorations. As winter advances, locals and visitors alike can enjoy the crisp air, perfect for strolling through Bolzano’s picturesque streets.

Average December Wind Speed in Bolzano

The chart displays monthly wind speed patterns in Bolzano, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.00.91.01.21.21.11.21.00.91.11.01.1 m/s
Data source: Bolzano December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Bolzano Compares to Other Months

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

In December, the weather tends to be milder with average temperatures hovering around 0°C (33°F), while January experiences noticeably colder conditions, with average temperatures dropping to -1°C (30°F). December sees a higher precipitation level of 105 mm (4.1 in) over about 10 days, compared to the more subdued 50 mm (2.0 in) over just 7 days in January. Additionally, humidity levels are slightly higher in January at 93%, compared to 90% in December, contributing to the overall chill in the air. For more information on January weather patterns, check out Bolzano weather in January.

December and February both showcase chilly weather, but with notable differences. In December, temperatures range from a minimum of -16°C (3°F) to a maximum of 12°C (54°F), with an average temperature of 0°C (33°F). The month sees considerable precipitation at 105 mm (4.1 in) over approximately 10 days, paired with high humidity levels at 90%. In contrast, February exhibits slightly milder temperatures, with a minimum of -17°C (1°F) and a maximum of 17°C (63°F), averaging 2°C (36°F). Precipitation decreases to 62 mm (2.4 in) over about 9 days, and humidity remains similar at 89%. For more detailed information on February weather specifics, you can visit Bolzano weather in February.

December and March present notable differences in weather, despite their proximity in the calendar year. In December, temperatures range from a frigid -16°C (3°F) to a mild 12°C (54°F), with an average around 0°C (33°F). This month also sees significant precipitation, totaling 105 mm (4.1 in) over about 10 days, accompanied by high humidity levels of 90%. In contrast, March experiences slightly milder conditions with temperatures ranging from -15°C (5°F) to a warmer 19°C (67°F) and an average of 5°C (41°F). Precipitation decreases to 72 mm (2.8 in) over the same number of days, and humidity is also lower at 86%. For a closer look at the specifics of March weather, visit Bolzano weather in March.

When comparing the weather in December and April, there are notable differences in temperature and conditions. December typically experiences cold temperatures, with minimums dropping to -16°C (3°F) and an average around 0°C (33°F). In contrast, April sees a marked warming trend, with minimum temperatures around -4°C (25°F) and average temperatures reaching 9°C (49°F), peaking at a pleasant 23°C (74°F). Precipitation levels are similar in both months, with December averaging 105 mm (4.1 in) over about 10 days and April slightly lower at 102 mm (4.0 in) spread over 13 days. Additionally, humidity tends to be higher in December at 90%, while April experiences a more comfortable 83%. For more detailed insights on April weather, you can check Bolzano weather in April.

December and May present starkly different weather conditions. In December, temperatures can plummet to a minimum of -16°C (3°F) with an average of around 0°C (33°F) and a maximum of 12°C (54°F). The month experiences heavy precipitation, totaling 105 mm (4.1 in) over about 10 days, accompanied by high humidity levels at 90%. In contrast, May offers a notable warming trend, with minimum temperatures around -2°C (29°F) and an average of 13°C (55°F) that peaks at a comfortable 26°C (78°F). Despite slightly higher overall precipitation of 124 mm (4.9 in) across 16 days, the humidity drops to 78%, creating a more pleasant atmosphere for outdoor activities. For a detailed look at weather in May, you can visit Bolzano weather in May.

December and June showcase strikingly different weather patterns. In December, temperatures drop significantly, with lows reaching -16°C (3°F) and an average of 0°C (33°F), often resulting in a cold and damp atmosphere with high humidity around 90%. The month experiences about 105 mm (4.1 in) of precipitation over approximately 10 days, making it a wetter month. In contrast, June brings a welcome warmth, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 34°C (93°F), making it a pleasant time for outdoor activities. Although June sees lower precipitation levels at 71 mm (2.8 in), the humidity is still notable at 79%. For more details on June's warmer climate, you can check Bolzano weather in June.

December and July in Bolzano present strikingly contrasting weather conditions. In December, temperatures can plummet to a minimum of -16°C (3°F), with an average hovering around 0°C (33°F) and a maximum of 12°C (54°F). The month also experiences high humidity at 90% and considerable precipitation, totaling 105 mm (4.1 in) over approximately 10 days. In contrast, July enjoys milder temperatures, with minimums of 8°C (46°F) and averages reaching 19°C (66°F), peaking at a warm 32°C (89°F). While July sees less precipitation at 73 mm (2.9 in) spread over about 12 days and lower humidity at 82%, the overall climate is much more conducive to outdoor activities. For more details, check out Bolzano weather in July.

December and August present strikingly different weather conditions. In December, average temperatures hover around 0°C (33°F), with lows plunging to -16°C (3°F) and highs reaching 12°C (54°F). The month is characterized by high humidity at 90% and substantial precipitation of 105 mm (4.1 in) over 10 days, often resulting in a chilly and damp atmosphere. In contrast, August offers a much milder climate, with average temperatures of 19°C (66°F) and daytime highs soaring up to 32°C (91°F). Although it also experiences precipitation on 10 days, the total is slightly lower at 94 mm (3.7 in), accompanied by a lower humidity level of 80%. For more details on August weather specifically, you can find information here: Bolzano weather in August.

In December, temperatures in Bolzano can drop significantly, with a minimum of -16°C (3°F) and an average of around 0°C (33°F), while the maximum reaches only 12°C (54°F). In contrast, September offers much milder weather, featuring temperatures that range from a minimum of 0°C (32°F) to an average of 15°C (59°F), and a maximum of 26°C (78°F). December is also marked by higher precipitation, totaling 105 mm (4.1 in) over approximately 10 days, whereas September sees 78 mm (3.1 in) of rain across 11 days. Additionally, December has a higher humidity level of 90% compared to September's 83%. For more detailed insights, you can visit Bolzano weather in September.

When comparing the weather in October and December, a significant temperature drop occurs, with December's temperatures ranging from a chilly -16°C (3°F) at night to a milder max of 12°C (54°F) during the day, while October enjoys more moderate temperatures, with a minimum of -2°C (29°F) and a maximum of 22°C (73°F). Although December experiences less precipitation overall at 105 mm (4.1 in) across 10 days, October is wetter with 141 mm (5.6 in) over 11 days. Both months share high humidity levels at 90%, but October's generally warmer temperatures make it a more pleasant time outdoors. For a detailed look at October weather patterns, you can explore Bolzano weather in October.

Comparing the weather in December to November reveals notable differences in temperature and precipitation patterns. December experiences colder temperatures, with a minimum of -16°C (3°F) and an average of 0°C (33°F), compared to November's milder minimum of -11°C (13°F) and average of 5°C (41°F). While both months see considerable precipitation, December has lower totals at 105 mm (4.1 in) over 10 days, compared to November's higher 143 mm (5.6 in) across 13 days. Interestingly, humidity levels remain relatively similar, with December at 90% and November at 89%. For a more detailed look at November's weather, you can visit Bolzano weather in November.

Compare Bolzano's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Bolzano

As December settles over Bolzano, the weather presents a striking contrast to the milder months preceding it. With temperatures often plunging to average lows, the chill in the air becomes palpable, juxtaposed with occasional warmer days peeking through the frost. Precipitation is more frequent this month, contributing to the enchanting winter landscape, while elevated humidity wraps the city in a cool embrace. Overall, December in Bolzano transforms the region into a picturesque winter wonderland, making it a unique experience for visitors. For a deeper insight into the climate dynamics throughout the year, visit Bolzano Climate.