December Weather in Siusi, Italy

Last updated: March 24, 2025

In Siusi, Italy, December brings a chilly charm with temperatures ranging from a brisk -16°C (3°F) at night to a maximum of 10°C (49°F) during the day, averaging around -2°C (29°F). This winter month experiences significant precipitation, totaling 94 mm (3.7 in) over nine days, contributing to the picturesque snowy landscapes. With a humidity level of 90%, the air feels crisp and invigorating, perfect for winter activities. Whether you're strolling through the scenic village or enjoying outdoor sports, Siusi's December weather sets the stage for a magical alpine experience.

December Temperature in Siusi

In December, Siusi, Italy experiences its coldest weather of the year, with temperatures reflecting a deep winter chill. The month typically sees a minimum of around -16°C (3°F), which sets the stage for frosty mornings. The average temperature hovers around -2°C (29°F), while daytime highs barely reach 10°C (49°F). This trend of dropping temperatures contrasts sharply with the milder conditions of previous months, signaling the onset of winter activities in the region. Visitors can expect a picturesque landscape dusted in snow, perfect for skiing and cozy fireside gatherings, making December a truly enchanting time to experience Siusi’s seasonal charm.

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

The chart illustrates December temperature patterns in Siusi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec273237445161636355473829
Data source: Temperature data for Siusi 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 Siusi

In December, Siusi, Italy experiences a notable shift in precipitation, recording 94 mm (3.7 in) of rain over the course of 9 days. This consistent rainfall mirrors November's patterns, suggesting a trend of increased moisture as winter takes hold. Compared to the earlier months, December's precipitation aligns closely with the peaks of April and May, which indicate a shift from milder autumn to the more demanding conditions of winter. The relatively stable precipitation amounts throughout the end of the year highlight a climatic rhythm, as Siusi transitions into its chillier season, setting the stage for the snow and cold that typically accompany January.

December Precipitation Trends in Siusi

The chart displays monthly precipitation patterns in Siusi, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3947579412889851037711113295
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Siusi

December in Siusi, Italy, marks a notable transition in humidity levels as the year draws to a close. With an average humidity of 90%, December closely aligns with the highs of January and October, indicating a trend towards increased moisture during the winter months. This slight rise from November's 89% underscores the region's tendency to embrace a cooler, wetter climate as it welcomes the festive season. Overall, the humidity levels throughout the year show a steady decline from the early 93% in January, with the driest months peaking in May at 78%. However, as the year ends, Siusi's wintery embrace brings back that familiar wetness, creating a cozy atmosphere perfect for enjoying the snowy landscapes.

December Average Humidity in Siusi

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

In Siusi, Italy, the December UV Index drops to a low level of 2, indicating minimal sun exposure risks. This trend of decreased UV intensity is consistent with the winter months, as the index was also low in January. The burn time extends to 45 minutes, allowing skin more time to safely enjoy the outdoors without immediate concern for UV damage. As the year progresses from May to July, the UV Index peaks at a very high 10, prompting caution and shorter burn times of just 15 minutes during the sunnier months. With the harsher winter months ahead, December is a time to relish the low UV levels and take advantage of the stunning alpine scenery without the worry of sunburn. For detailed insights on the UV Index throughout the year, check out Siusi UV Index.

Maximum UV Index Levels in Siusi for December

The chart shows the monthly maximum UV Index (UVI) for Siusi 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.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Siusi 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 Siusi

In Siusi, Italy, the month of December offers a gentle retreat from the sun-drenched days of summer, presenting 210 hours of sunlight that soften the onset of winter. As the year draws to a close, daylight gradually diminishes from its peak in July with an impressive 412 hours, creating a noticeable transition towards shorter days. Despite the drop, December still shines brighter than the early months of the year, with February and March surpassing the winter solstice in light, boasting 249 hours and 316 hours, respectively. This gradual ebb and flow of sunlight reflects the region’s unique charm, where even in winter’s embrace, Siusi maintains a welcomed glow, inviting visitors to soak in the season's serene beauty.

Monthly Sunshine Duration in Siusi: December Highlighted

The December sunshine duration represents the total number of hours Siusi 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.
JanFebMarAprMayJunJulAugSepOctNovDec191h249h316h333h355h394h412h377h315h287h217h210h
Data source: Siusi December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Siusi During December

In Siusi, Italy, the chances of experiencing sunny weather in December stand at 47%, showcasing a trend that aligns closely with the preceding months. As the year progresses, the likelihood of sunshine begins to rise significantly, peaking in March at 60%, before gradually tapering off in the late spring and summer months. December's sunshine probability reflects a minor uptick compared to the earlier winter months, particularly November, which is at 40%. Overall, while the cold season typically brings less sunny weather, December offers a reasonable chance for delightful sunny moments, making it a charming time for visitors to explore the picturesque alpine landscape.

Percentage of Sunny Days in December in Siusi

The chart illustrates the percentage of sunny days in Siusi 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 Siusi experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%52%60%49%37%46%41%47%48%49%40%48%
Data source: Siusi December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Siusi in December

In Siusi, Italy, the daylight duration experiences a notable variation throughout the year, with December marking the shortest days at just 8 hours of sunlight. As winter sets in, the trend shifts from summer's maximum brightness, peaking at 15 hours of daylight in June, July, and August. Following the longer days of spring, daylight begins to wane in September and October, gradually making way for the darker months that stretch into the depths of winter. Each month progressively highlights the seasonal transition, where February and March breathe more light back into the landscape, culminating in the vibrant blooms of spring as daylight extends to 11 hours. This rhythmic pattern encapsulates the essence of Siusi's climate, showcasing the gentle ebb and flow of daylight throughout the seasons.

Average Daylight Hours in Siusi for December

The chart illustrates the variation in daylight duration in Siusi 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 29m10h 51m9h 23m8h 38m
Data source: Siusi daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Siusi

In December, Siusi experiences a gentle breeze with an average wind speed of 1.3 m/s (3 mph), mirroring the light winds of several earlier months. Throughout the year, the wind speeds in this picturesque Italian village tend to fluctuate modestly, peaking in the warmer months from April to May with increasing velocities. However, as the year winds down, the conditions remain relatively calm, with December's winds reflecting patterns observed from early spring through late autumn. This consistent lack of strong gusts creates a serene atmosphere, perfect for enjoying the tranquil winter landscape amidst the majestic Dolomites.

Average December Wind Speed in Siusi

The chart displays monthly wind speed patterns in Siusi, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.21.11.31.41.51.21.31.21.11.31.11.3 m/s
Data source: Siusi December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Siusi Compares to Other Months

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

December and January both feature cold temperatures, but January tends to be slightly more frigid. In December, temperatures range from a minimum of -16°C (3°F) to a maximum of 10°C (49°F), averaging -2°C (29°F) with relatively high precipitation of 94 mm (3.7 in) over 9 days. In contrast, January experiences even colder conditions, with lows reaching -20°C (-3°F) and an average of -3°C (27°F), along with a slight decrease in precipitation to 39 mm (1.5 in) over 7 days. Humidity levels remain similar, hovering around 90% in December and 93% in January. For more detailed information on January weather, you can refer to Siusi weather in January.

December and February both exhibit chilly temperatures, but February tends to be slightly milder overall. In December, the minimum temperature reaches a frigid -16°C (3°F), with an average of -2°C (29°F) and a maximum of 10°C (49°F). This month receives 94 mm (3.7 in) of precipitation over 9 days, coupled with high humidity at 90%. In contrast, February sees a drop in minimum temperatures to -17°C (1°F), yet boasts an average of 0°C (32°F) and can reach up to 15°C (59°F) during warmer days. Precipitation decreases significantly to 47 mm (1.8 in) over just 7 days, with humidity slightly lower at 89%. For more specific details on February weather, you can visit Siusi weather in February.

In December, temperatures typically range from a minimum of -16°C (3°F) to a maximum of 10°C (49°F), with an average of -2°C (29°F). The month sees significant precipitation, totaling about 94 mm (3.7 in) over 9 days, and the high humidity level of 90% contributes to a chilly atmosphere. In contrast, March experiences slightly warmer conditions, with temperatures varying from a minimum of -18°C (0°F) to a maximum of 17°C (64°F) and an average of 3°C (37°F). Precipitation during March is lower, at 57 mm (2.2 in) over the same number of days, and humidity is also somewhat reduced at 86%. For more specific details about the weather in March, you can visit Siusi weather in March.

December and April present strikingly contrasting weather conditions. In December, temperatures can plummet as low as -16°C (3°F), with an average of -2°C (29°F) and a maximum of 10°C (49°F). The month sees significant precipitation, amounting to 94 mm (3.7 in) over about 9 days, coupled with high humidity at 90%. In contrast, April offers a much milder climate, with minimum temperatures around -6°C (21°F), average temperatures climbing to 7°C (44°F), and a maximum of 21°C (71°F). While it experiences the same total precipitation of 94 mm (3.7 in), rainfall occurs over 12 days, and humidity drops to a more comfortable 83%. For more details on April weather, you can check Siusi weather in April.

December and May present contrasting weather experiences. In December, temperatures plunge to a minimum of -16°C (3°F) and hover around an average of -2°C (29°F), peaking at 10°C (49°F). The month sees significant precipitation of 94 mm (3.7 in) over approximately 9 days, accompanied by high humidity at 90%. In stark contrast, May warms up considerably, with temperatures ranging from a minimum of -5°C (23°F) to an average of 10°C (51°F) and reaching a maximum of 25°C (77°F). While May is wetter with 128 mm (5.0 in) of rainfall over 18 days, the humidity is lower at 78%. For more details on May's weather conditions, visit Siusi weather in May.

December and June present starkly contrasting weather conditions. In December, temperatures can plummet as low as -16°C (3°F), with an average of -2°C (29°F) and a maximum of 10°C (49°F). This month is characterized by high humidity at 90%, accompanied by 94 mm (3.7 in) of precipitation over approximately 9 days. In contrast, June sees a significant warming trend, with minimum temperatures starting at 5°C (41°F) and peaking at 32°C (89°F), leading to an average of 16°C (61°F). While June has slightly less precipitation at 89 mm (3.5 in), it experiences rainfall on more days, totaling 13. The humidity in June is also lower, at 79%, making it feel much more comfortable. For more details on June weather, check out Siusi weather in June.

December and July present contrasting weather profiles. In December, temperatures can plummet to a minimum of -16°C (3°F), with an average of -2°C (29°F) and a maximum of 10°C (49°F). The month experiences significant precipitation, totaling 94 mm (3.7 in) over about 9 days, accompanied by high humidity levels at 90%. Conversely, July is much warmer, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 30°C (87°F) and an average of 17°C (63°F). The month sees slightly less precipitation at 85 mm (3.3 in) spread across 13 days, with relative humidity at 82%. For more detailed information on July weather, you can visit Siusi weather in July.

December and August present contrasting weather conditions. In December, temperatures can plummet to a minimum of -16°C (3°F), with an average of -2°C (29°F) and a maximum of 10°C (49°F). The month is quite humid at 90%, with 94 mm (3.7 in) of precipitation occurring over 9 days. In contrast, August enjoys a milder climate, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 31°C (88°F) and an average of 17°C (63°F). Although August sees slightly more precipitation at 102 mm (4.0 in) spread over 12 days, the humidity is lower at 80%. For more details, you can check Siusi weather in August.

December and September present quite contrasting weather conditions. In December, temperatures can plunge as low as -16°C (3°F) with an average of -2°C (29°F) and a maximum reaching just 10°C (49°F). The month is characterized by high humidity at 90% and notable precipitation, typically seen over 9 days, totaling 94 mm (3.7 in). In stark contrast, September enjoys milder temperatures, ranging from a minimum of 0°C (32°F) to an average of 13°C (55°F) and peaking at 24°C (76°F). While September experiences slightly less precipitation at 77 mm (3.0 in), it does have a few more rainy days with precipitation occurring over 11 days, accompanied by lower humidity levels of 83%. For more detailed insights about September weather, you can check Siusi weather in September.

December and October present contrasting weather conditions. In December, temperatures drop significantly, with a minimum of -16°C (3°F) and an average of -2°C (29°F), while reaching a maximum of 10°C (49°F). In contrast, October enjoys milder temperatures, ranging from a minimum of -2°C (29°F) to a pleasant maximum of 21°C (69°F), with an average of 8°C (47°F). Despite both months experiencing precipitation over nine days, October sees slightly higher rainfall at 111 mm (4.4 in) compared to December's 94 mm (3.7 in), though humidity levels remain consistent at 90%. For a more detailed look at October weather, visit Siusi weather in October.

In comparing the weather of December to that of November, it is clear that December tends to be colder, with average temperatures around -2°C (29°F) compared to November’s milder average of 3°C (38°F). The minimum temperatures in December can drop to a frigid -16°C (3°F), while November sees a warmer minimum of -11°C (13°F). Precipitation is also notable in both months, though December experiences slightly less rainfall at 94 mm (3.7 in) over 9 days compared to November's 132 mm (5.2 in) over 11 days. Humidity levels remain high during both months, with December at 90% and November at 89%. For more detailed insights about November's weather, you can visit Siusi weather in November.

Compare Siusi's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Siusi

As December rolls in, Siusi transforms into a winter wonderland, marked by significantly colder temperatures that stand in stark contrast to the milder months preceding it. With an average temperature hovering around -2°C (29°F), the chill is undeniable, reaching lows that can plummet to -16°C (3°F). While the month welcomes a fair amount of rainfall, resulting in about 9 days of precipitation, the high humidity level of 90% adds a unique crispness to the air. This frosty atmosphere not only enhances the scenic beauty of the region but also invites winter enthusiasts to embrace the season's offerings. For a deeper understanding of Siusi's weather patterns, explore Siusi Climate.