December Weather in San Cassiano, Italy

Last updated: March 24, 2025

December in San Cassiano, Italy is characterized by a chilly embrace, where temperatures average around -3°C (27°F), dipping as low as -17°C (3°F) during the coldest nights. The daytime air can reach a maximum of 7°C (45°F), offering a brief respite from winter's grasp. This month sees an impressive 108 mm (4.3 in) of precipitation over approximately 11 days, contributing to a 90% humidity level that adds to the season's crisp atmosphere. Visitors can expect a picturesque winter landscape, perfect for enjoying the enchanting alpine scenery that defines this charming Italian locale.

December Temperature in San Cassiano

In December, San Cassiano transitions into the heart of winter, bringing with it a chill that sets the stage for a picturesque snowy landscape. With a minimum temperature hitting -17°C (3°F) and an average hovering around -3°C (27°F), the town embodies the essence of a serene alpine retreat. While daytime temperatures can reach a maximum of 7°C (45°F), the biting cold encourages cozy gatherings by the fire and thrilling outdoor activities. This month marks a striking contrast to the milder conditions of fall, as temperatures dip lower than previous months, signaling the onset of more severe winter weather. Whether it's enjoying the stunning views or engaging in winter sports, December in San Cassiano offers a magical experience infused with the chilly embrace of the Dolomites.

December Weather in San Cassiano: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Cassiano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec243034424958616053453627
Data source: Temperature data for San Cassiano 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 San Cassiano

In December, San Cassiano experiences a notable precipitation amount of 108 mm (4.3 in), marking it as one of the wetter months as the region transitions into winter. With 11 days of rainfall during this month, December captures a significant part of the seasonal precipitation trend, following November's 136 mm (5.3 in) yet slightly below October's peak of 159 mm (6.2 in). This consistent precipitation pattern from late autumn into winter highlights the village's significant reliance on moisture during the colder months, setting the stage for the picturesque snowscapes that define the area. As the year draws to a close, the rhythmic dance of rain makes way for a snowy embrace, reflecting the region's rich climatic character.

December Precipitation Trends in San Cassiano

The chart displays monthly precipitation patterns in San Cassiano, 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.
JanFebMarAprMayJunJulAugSepOctNovDec504983112150132104143116159136108
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Cassiano

In San Cassiano, Italy, the December humidity elevates to 90%, mirroring the elevated levels often observed in the early winter months. This consistent moisture in the air, particularly noticeable during October and November, sets the stage for a somewhat damp end to the year. Interestingly, while there is a slight dip to 80% humidity in May and August, most other months maintain a high humidity baseline, reflecting the region's overall tendency for a subtropical climate that keeps the air rich and vibrant. The gradual decline from a peak of 92% in January to a warming plateau as spring approaches highlights a subtle but notable rhythm of seasonal change, making December a quintessentially humid month in this picturesque Italian town.

December Average Humidity in San Cassiano

This chart illustrates the average monthly humidity levels in San Cassiano, 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.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Cassiano

In December, the UV Index in San Cassiano, Italy dips to a low 2, indicating minimal sun exposure risk. This trend marks a notable decrease from the very high levels observed during the summer months, where indexes soared to 10 in both June and July. The burn time extends to an average of 45 minutes, allowing residents and visitors to enjoy outdoor activities with greater safety. As the year winds down, the gradual easing of UV exposure continues, moving from a peak in the warmer months to more manageable levels by December. For detailed insights on UV variations throughout the year, check out San Cassiano UV Index.

Maximum UV Index Levels in San Cassiano for December

The chart shows the monthly maximum UV Index (UVI) for San Cassiano 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.
JanFebMarAprMayJunJulAugSepOctNovDec24689101097632
Data source: San Cassiano 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 San Cassiano

In December, San Cassiano experiences a gentle descent into winter, with an average of 199 hours of sunshine. This marks a continuation of the year’s sunlit narrative, where months like July peak with 410 hours, showcasing the region's vibrant summer. As the calendar turns to the colder months, the days begin to lose their sunlight, yet December's sunshine still offers a cozy respite, especially as the dramatic snow-capped Dolomites shine under the winter sun. Comparatively, the sunshine hours are noticeably lower than the mid-year highs, yet they still echo the charm of the Italian Alps, creating a serene ambiance that beckons visitors to enjoy the winter landscape. Thus, even as the daylight wanes, December in San Cassiano remains a beautiful canvas of crisp air and soft sunlight, illustrating the region's unique seasonal rhythm.

Monthly Sunshine Duration in San Cassiano: December Highlighted

The December sunshine duration represents the total number of hours San Cassiano 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.
JanFebMarAprMayJunJulAugSepOctNovDec179h236h310h336h359h386h410h366h309h276h204h199h
Data source: San Cassiano December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Cassiano During December

In San Cassiano, Italy, the likelihood of indulging in sunny weather sees a gradual increase as the year progresses, with December boasting a 44% chance of sunshine. This month holds a promising position compared to the gloomier conditions of the earlier winter months, with only 30% in January and 35% in November. Interestingly, while the percentages fluctuate throughout the seasons, the 44% in December indicates a notable improvement over the darker days preceding it. As visitors look to enjoy the festive ambiance under partly cloudy skies, December's weather pattern offers a fitting blend of winter charm and a hint of sun, making it a delightful time to explore the beauty of this mountainous region.

Percentage of Sunny Days in December in San Cassiano

The chart illustrates the percentage of sunny days in San Cassiano 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 San Cassiano experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%42%59%46%38%38%40%50%33%40%35%44%
Data source: San Cassiano December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Cassiano in December

In San Cassiano, Italy, the daylight duration experiences a captivating ebb and flow throughout the year. Starting with 9 hours in January, the days gradually lengthen as winter gives way to spring, reaching a peak of 15 hours in both June and July, perfect for enjoying the summer sun. However, as autumn settles in, daylight begins to wane, with August seeing 14 hours before tapering to 12 hours in September. By the time December rolls around, daylight diminishes to just 8 hours, marking a stark contrast to the long, sun-filled days of mid-year. This rhythmic pattern of daylight reflects the beautiful seasonal transitions of the region and invites visitors to savor both the sun-drenched summers and the cozy charm of winter's early nights.

Average Daylight Hours in San Cassiano for December

The chart illustrates the variation in daylight duration in San Cassiano throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 4m10h 20m11h 56m13h 34m14h 58m15h 41m15h 18m14h 4m12h 29m10h 52m9h 25m8h 40m
Data source: San Cassiano daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in San Cassiano

As the year draws to a close, December in San Cassiano invigorates the air with a slight increase in wind speed, averaging 1.8 m/s (4 mph). This marks a shift from the preceding months, which generally experience calmer breezes, particularly from June through September, where the winds tend to hover around 1.1 to 1.3 m/s (2 to 3 mph). Interestingly, November's average (1.4 m/s) sets the stage for December's brisk finale. The gradual climb in wind speeds through late autumn hints at the invigorating embrace of winter, making December not only a transitional month but also a time when the enchanting Alpine landscape of San Cassiano truly comes alive, inviting visitors to experience its serene yet dynamic atmosphere.

Average December Wind Speed in San Cassiano

The chart displays monthly wind speed patterns in San Cassiano, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.11.31.21.31.11.21.21.01.21.41.8 m/s
Data source: San Cassiano December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in San Cassiano Compares to Other Months

The weather in San Cassiano 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 San Cassiano and find detailed weather information for every month.

December and January share a winter chill, though January tends to be slightly colder. In December, temperatures reach a minimum of -17°C (3°F), with an average of -3°C (27°F) and a maximum of 7°C (45°F). The month experiences higher precipitation, totaling 108 mm (4.3 in) over 11 days, accompanied by a humidity level of 90%. Conversely, January's temperatures dip even lower, with a minimum of -22°C (-7°F) and an average of -5°C (24°F), while the maximum remains at 6°C (43°F). Precipitation decreases to 50 mm (2.0 in) over 8 days, and humidity rises slightly to 92%. For more specific details on January's conditions, check out San Cassiano weather in January.

December weather is characterized by colder temperatures, with minimums reaching -17°C (3°F) and an average of -3°C (27°F). The month sees considerable precipitation of 108 mm (4.3 in) over 11 days, coupled with high humidity at 90%. In contrast, February experiences slightly milder conditions, with a minimum temperature of -20°C (-3°F) and an average of -1°C (30°F). Although the maximum temperature rises to 14°C (57°F), February has significantly less precipitation at 49 mm (1.9 in) over 9 days and a similar humidity level of 89%. For more detailed insights on February conditions, you can check San Cassiano weather in February.

December and March exhibit notable differences in weather patterns despite having similar minimum temperatures. In December, average temperatures hover around -3°C (27°F), with a maximum of 7°C (45°F) and high humidity at 90%. The month also sees substantial precipitation, totaling 108 mm (4.3 in), spread over 11 days. In contrast, March experiences a moderate increase in average temperature to 1°C (35°F) and a maximum of 16°C (61°F), while precipitation is slightly lower at 83 mm (3.3 in) over the same number of days. Humidity remains relatively high at 87%. For a more detailed look, check out San Cassiano weather in March.

December and April present contrasting weather patterns, highlighting the transition from winter to spring. In December, temperatures can plummet to a chilling minimum of -17°C (3°F), with an average of -3°C (27°F) and a maximum of 7°C (45°F). The month is characterized by high humidity at 90% and substantial precipitation of 108 mm (4.3 in) spread over 11 days. In stark contrast, April brings milder conditions, with minimum temperatures around -7°C (19°F), an average of 5°C (42°F), and a pleasant maximum of 18°C (65°F). Precipitation slightly increases to 112 mm (4.4 in) over the same number of days but is accompanied by a lower humidity level of 84%. For more insights into April's weather, you can explore San Cassiano weather in April.

When comparing the weather in December and May, it's clear that December is characterized by significantly colder temperatures, with lows reaching -17°C (3°F) and an average temperature of -3°C (27°F). In contrast, May brings much milder conditions, featuring temperatures that range from a minimum of -8°C (18°F) to a maximum of 22°C (72°F), with an average of 9°C (49°F). December sees about 108 mm (4.3 in) of precipitation over 11 days, while May experiences a higher rainfall of 150 mm (5.9 in) spread across 20 days. Humidity levels also differ slightly, with December's humidity at 90% compared to May's 80%. For a detailed look at May's weather, you can visit San Cassiano weather in May.

December and June present strikingly different weather conditions. In December, temperatures can plummet to a minimum of -17°C (3°F), with an average around -3°C (27°F) and max highs reaching only 7°C (45°F). The month sees considerable precipitation totaling 108 mm (4.3 in) over about 11 days, accompanied by high humidity levels of 90%. In contrast, June is much milder, featuring minimum temperatures of 3°C (38°F), an average of 14°C (58°F), and maximums soaring to 31°C (88°F). Precipitation increases slightly to 132 mm (5.2 in) spread across approximately 18 days, but humidity is lower at 82%. For a detailed look at June’s weather, visit San Cassiano weather in June.

In December, the weather is notably colder, with temperatures ranging from a chilling minimum of -17°C (3°F) to a maximum of 7°C (45°F) and an average of -3°C (27°F). The month also sees significant precipitation, totaling 108 mm (4.3 in) over approximately 11 days, accompanied by high humidity levels of 90%. In contrast, July offers a much milder climate, with temperatures varying from a minimum of 5°C (41°F) to a maximum of 27°C (81°F) and an average of 16°C (61°F). July experiences slightly less precipitation at 104 mm (4.1 in), but it occurs over more days—around 18 days—bringing a lower humidity level of 83%. For a detailed look at July weather, you can refer to San Cassiano weather in July.

In December, temperatures plummet, with lows reaching -17°C (3°F) and an average temperature of -3°C (27°F), while maxing out at a chilly 7°C (45°F). The month is characterized by high humidity at 90% and significant precipitation, totaling 108 mm (4.3 in) over approximately 11 days. In contrast, August brings a much milder climate, with temperatures ranging from a minimum of 5°C (42°F) to an average of 16°C (61°F), and highs reaching a comfortable 28°C (82°F). The summer month experiences more rainfall, amounting to 143 mm (5.6 in) across 17 days, but with lower humidity averaging around 80%. For more detailed information on August weather specifically in the area, check out San Cassiano weather in August.

December and September present stark contrasts in weather conditions. In December, temperatures plunge with a minimum of -17°C (3°F) and an average of -3°C (27°F), while the highest maximum reaches only 7°C (45°F). The month is characterized by high humidity at 90% and considerable precipitation, totaling 108 mm (4.3 in) over 11 days. In contrast, September enjoys milder temperatures, with a minimum of -2°C (28°F) and an average around 12°C (53°F), peaking at 22°C (72°F). This month experiences slightly higher precipitation of 116 mm (4.6 in), but over 14 days, with relative humidity lower at 83%. For more detailed insights into conditions during this month, visit San Cassiano weather in September.

In comparing the weather between October and December, there is a notable shift in temperatures and precipitation patterns. December tends to be much colder, featuring a minimum temperature of -17°C (3°F) and an average of -3°C (27°F), whereas October boasts milder conditions with a minimum of -5°C (23°F) and an average of 7°C (46°F). Additionally, December experiences lower maximum temperatures, capped at 7°C (45°F), compared to October's warmer high of 19°C (66°F). While both months have a high humidity level of 90%, October receives more precipitation at 159 mm (6.2 in) over 10 days, compared to December's 108 mm (4.3 in) over 11 days. For a more detailed look at October's climate, you can visit San Cassiano weather in October.

In comparing the weather between December and November, December typically sees colder temperatures, with a minimum of -17°C (3°F) and an average of -3°C (27°F), while November has slightly milder temperatures, ranging from a minimum of -14°C (6°F) to an average of 2°C (36°F). Precipitation levels are higher in November at 136 mm (5.3 in) over 12 days, compared to December's 108 mm (4.3 in) across 11 days, though both months experience high humidity, with December at 90% and November at 88%. For a more detailed look, you can check out San Cassiano weather in November.

Compare San Cassiano's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in San Cassiano

As December settles in San Cassiano, the weather takes a significant turn, with chillier temperatures prevailing compared to the preceding months. With averages dipping around -3°C (27°F), the days are noticeably colder, and residents and visitors often bundle up against the brisk air and the potential for snowfall. The month brings about an increase in humidity, sitting at a substantial 90%, and the likelihood of precipitation rises too, with about a third of the month experiencing wet days. This makes December a stark contrast to the milder conditions of autumn, inviting a winter wonderland atmosphere. For a detailed look at how San Cassiano's weather plays out throughout the year, explore the data at San Cassiano Climate.