December Weather in San Martino, Italy

Last updated: March 24, 2025

In December, San Martino, Italy experiences a true winter wonderland, with temperatures averaging a chilly -7°C (20°F). The month sees maximum temperatures reaching 5°C (41°F), while plunging to a brisk minimum of -23°C (-8°F), presenting a landscape wrapped in frost and snow. Precipitation is notable, with 121 mm (4.8 in) falling over 12 days, enriching the scenery and saturating the air with a humidity level of 90%. This festive month transforms San Martino into a picturesque destination, perfect for winter enthusiasts seeking to embrace the beauty of the season.

December Temperature in San Martino

In December, San Martino, Italy, embraces the depths of winter, with temperatures becoming notably frigid. The month experiences a minimum of -23°C (-8°F), while the average temperature hovers around -7°C (20°F), making it one of the coldest periods of the year. With a maximum reaching only 5°C (41°F), December starkly contrasts the warmer months, reflecting a sharp decline from the mild temperatures seen in November. This chilling trend prepares the landscape for winter activities and festive celebrations, as the community wraps up in cozy attire to combat the cold, basking in the beauty of a snowy Italian winter.

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

The chart illustrates December temperature patterns in San Martino, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec182429354354555649403120
Data source: Temperature data for San Martino 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 Martino

In December, San Martino experiences a notable 121 mm (4.8 in) of precipitation, marking a continuation of the region's wet winter season. This month sees rainfall across approximately 12 days, contributing to the overall trend of increased precipitation as the year draws to a close. Following a rainy November, which recorded 142 mm (5.6 in), December maintains a substantial moisture level, albeit slightly lower. This consistent rainfall pattern highlights the region's transition from the drier autumn months into its wetter winter, emphasizing the importance of preparing for the seasonal shifts that bring both beauty and challenges to the charming landscapes of San Martino.

December Precipitation Trends in San Martino

The chart displays monthly precipitation patterns in San Martino, 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.
JanFebMarAprMayJunJulAugSepOctNovDec55587594143137162182117110142121
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Martino

In San Martino, Italy, December marks a time when humidity levels remain notably high, hovering around 90%. This consistent dampness is a continuation of the trend seen in the preceding months, with only slight fluctuations. As winter sets in, the humid atmosphere complements the cool temperatures of the season, making the environment feel crisp yet moist. Notably, as the year closes, San Martino experiences a slight uptick in humidity compared to November's 89%, reinforcing the notion that winter in this charming Italian locale brings not just cooler air but also a palpable moisture that envelops the region.

December Average Humidity in San Martino

This chart illustrates the average monthly humidity levels in San Martino, 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 San Martino

As the year winds down in San Martino, Italy, December offers a reprieve from the intense sun exposure experienced during the summer months. With a UV Index of 2, categorized as low, residents and visitors alike can enjoy outdoor activities with minimal risk of harm, boasting a burn time of 45 minutes. This marks a notable decrease from the peak indices in spring and summer, where levels soared to a very high 10 during May through July. The gradual decline in UV radiation showcases a clear seasonal trend, allowing for safer sun enjoyment as winter approaches. For those planning activities under the sun this month, it's reassuring to note that the UV exposure remains manageable. For more detailed information, visit San Martino UV Index.

Maximum UV Index Levels in San Martino for December

The chart shows the monthly maximum UV Index (UVI) for San Martino 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.
JanFebMarAprMayJunJulAugSepOctNovDec247810101097532
Data source: San Martino 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 Martino

As winter settles in, December in San Martino brings a gentle shift in sunlight, with 218 hours of sunshine illuminating the picturesque views. While this is a dip from the sun-drenched summer months, where July boasts an impressive 407 hours, the December sun still emanates a warm glow that complements the season's charm. The year starts with January's 195 hours but gradually climbs, peaking in the vibrant early summer. This trend reveals that even in the colder months, San Martino holds onto its positional delight, casting a serene light that wraps the landscape in a soft, inviting ambience, making it a captivating destination year-round.

Monthly Sunshine Duration in San Martino: December Highlighted

The December sunshine duration represents the total number of hours San Martino 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.
JanFebMarAprMayJunJulAugSepOctNovDec195h247h308h333h349h389h407h371h308h285h220h218h
Data source: San Martino December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Martino During December

In December, San Martino, Italy, enjoys a 40% chance of sunny weather, marking a slight uptick from the preceding months, where the likelihood ranged between 28% and 35%. As the year winds down, the sun shyly peeks through the winter clouds, hinting at brighter days ahead. Interestingly, December's sun probability is closely aligned with the autumn months, indicating a consistent trend of moderate sunshine as seasons shift. This makes December a relatively favorable time for those hoping to catch a glimpse of sunshine amidst the winter chill, as it provides a bit more brightness compared to earlier winter months.

Percentage of Sunny Days in December in San Martino

The chart illustrates the percentage of sunny days in San Martino 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 Martino experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%49%50%41%28%39%32%38%41%41%35%40%
Data source: San Martino December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Martino in December

As the calendar year unfolds in San Martino, Italy, the daylight duration showcases a captivating rhythm. Starting with 8 hours in January, the days gradually stretch to a delightful 15 hours in May and June, allowing residents to bask in the sun's warmth. This peak of daylight, however, is short-lived, as the sun begins its descent toward winter. By August, daylight declines to 14 hours, followed by a steady decrease through the fall months—12 hours in September, and 10 hours in October. November brings a further dip to 9 hours, culminating in December where daylight once again rests at 8 hours. This cyclical pattern highlights the ebb and flow of sunlight, creating a beautiful contrast between the longer, vibrant days of summer and the cozy, shorter days of winter.

Average Daylight Hours in San Martino for December

The chart illustrates the variation in daylight duration in San Martino throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 59m10h 18m11h 56m13h 36m15h 3m15h 47m15h 23m14h 7m12h 30m10h 50m9h 21m8h 35m
Data source: San Martino daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in San Martino

In December, San Martino experiences a modest uptick in wind speed, averaging 1.6 m/s (or 4 mph), the highest of the year. This slight increase marks a subtle shift as autumn gives way to winter, offering a refreshing breeze that dances through the charming streets of this Italian village. Throughout the year, wind speeds generally hover around the 1.3 m/s mark, with moments of fluctuation, but December stands out, hinting at the crisp energy that accompanies the festive season. As temperatures drop, this invigorating wind adds a lively touch to the picturesque winter landscape, inviting locals and visitors alike to embrace the season's spirit.

Average December Wind Speed in San Martino

The chart displays monthly wind speed patterns in San Martino, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.21.41.51.51.31.41.31.11.31.21.6 m/s
Data source: San Martino December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in San Martino Compares to Other Months

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

December and January both bring cold temperatures, but January is typically a bit colder overall. In December, the average temperature hovers around -7°C (20°F), with a minimum of -23°C (-8°F) and a maximum of 5°C (41°F). The month experiences significant precipitation, with 121 mm (4.8 in) falling over 12 days, and humidity levels remain high at 90%. In contrast, January sees the average temperature drop slightly to -8°C (18°F), with lows reaching -25°C (-14°F) and a maximum of 4°C (39°F). Precipitation decreases to 55 mm (2.2 in) over 10 days, while humidity rises to 93%. For a more detailed look at January weather, you can visit San Martino weather in January.

December and February both experience frigid temperatures, but February tends to be slightly milder overall. In December, the minimum temperature can drop to a biting -23°C (-8°F), with an average of -7°C (20°F) and a maximum reaching just 5°C (41°F). This month also sees higher precipitation levels, with about 121 mm (4.8 in) falling over 12 days, accompanied by high humidity at 90%. In contrast, February starts with similar minimum temperatures around -21°C (-6°F), but boasts a warmer average of -4°C (25°F) and a maximum of 9°C (49°F). Precipitation decreases significantly to 58 mm (2.3 in) across just 9 days, with humidity slightly lower at 89%. For more insights on February weather in this region, you can explore San Martino weather in February.

December and March weather exhibit notable differences, particularly in temperature and precipitation. In December, temperatures can drop to a chilling minimum of -23°C (-8°F), with an average around -7°C (20°F) and a maximum reaching just 5°C (41°F). The month also sees significant precipitation of 121 mm (4.8 in) over 12 days, coupled with high humidity levels at 90%. In contrast, March brings a much milder climate, with minimum temperatures still at -23°C (-8°F) but an average rising to -2°C (29°F) and a maximum soaring to 13°C (56°F). Precipitation in March decreases to 75 mm (2.9 in) over the same number of days, while humidity slightly lowers to 86%. For more detailed insights, you can explore the San Martino weather in March.

December and April present stark contrasts in weather. December averages a frigid -7°C (20°F), with temperatures dipping as low as -23°C (-8°F) and peaking only at 5°C (41°F). The month is characterized by high humidity at 90% and significant precipitation totaling 121 mm (4.8 inches) over about 12 days. In contrast, April marks a transition with a milder average temperature of 2°C (35°F), minimal lows at -17°C (1°F), and highs reaching 16°C (61°F). Precipitation decreases to 94 mm (3.7 inches) over 11 days, accompanied by lower humidity at 83%. For a detailed look at the weather patterns during this month, you can explore San Martino weather in April.

In December, the weather is characterized by frigid temperatures, with a minimum of -23°C (-8°F) and an average of -7°C (20°F), peaking at a mild 5°C (41°F). The month typically sees 121 mm (4.8 in) of precipitation over 12 days, accompanied by high humidity levels of 90%. In stark contrast, May ushers in a more temperate climate, where the minimum temperature rises to -7°C (19°F) and averages 6°C (43°F), reaching a maximum of 22°C (72°F). This month experiences slightly higher precipitation at 143 mm (5.6 in) but over more days, totaling 22, with humidity levels dropping to a comfortable 78%. For a closer look at the delightful weather in May, you can check San Martino weather in May.

December and June present starkly contrasting weather conditions. In December, temperatures can plummet to a minimum of -23°C (-8°F), with an average hovering around -7°C (20°F) and a maximum of 5°C (41°F). This chilling month also sees significant precipitation, totaling 121 mm (4.8 in) over about 12 days, accompanied by high humidity at 90%. In contrast, June offers a much milder climate, with temperatures starting at a minimum of -2°C (29°F) and rising to an average of 12°C (54°F), peaking at a warm 29°C (84°F). Although it experiences slightly more precipitation than December at 137 mm (5.4 in) across 20 days, the humidity is lower at 79%. For more specific details on weather patterns in this month, you can check San Martino weather in June.

December and July present strikingly contrasting weather conditions. In December, temperatures can plummet to a chilling minimum of -23°C (-8°F), with an average of -7°C (20°F) and a maximum reaching only 5°C (41°F). The month is characterized by considerable precipitation, totaling 121 mm (4.8 in) over approximately 12 days, coupled with a high humidity level of 90%.

In contrast, July offers a much milder climate, featuring a minimum temperature of 2°C (36°F) and an average of 13°C (56°F), with highs peaking at 26°C (79°F). The precipitation increases to 162 mm (6.4 in) spread over 21 days, yet humidity remains slightly lower at 82%. For more insights on July's weather, you can explore San Martino weather in July.

December and August showcase starkly contrasting weather patterns. In December, temperatures plunge to a minimum of -23°C (-8°F) and average around -7°C (20°F), with a maximum of only 5°C (41°F). This cold month sees significant precipitation, totaling 121 mm (4.8 in) over 12 rainy days and high humidity at 90%. In comparison, August brings a much milder climate with minimum temperatures around -4°C (25°F) and an average of 13°C (56°F), peaking at a comfortable 25°C (78°F). This summer month records higher precipitation at 182 mm (7.2 in) over 21 days but maintains lower humidity at 80%. For a detailed look at August weather, check out San Martino weather in August.

December and September present stark contrasts in weather. In December, temperatures can plummet to a minimum of -23°C (-8°F), with an average of -7°C (20°F) and a maximum of only 5°C (41°F). The month experiences significant precipitation, totaling 121 mm (4.8 in) over about 12 days, accompanied by high humidity at 90%. In contrast, September enjoys milder temperatures, ranging from a minimum of -8°C (18°F) to an average of 9°C (49°F) and a pleasant maximum of 22°C (72°F). Although slightly less precipitation occurs at 117 mm (4.6 in), it spans 15 days and features lower humidity at 83%. For a deeper look at September's climate, you can refer to San Martino weather in September.

When comparing the weather in December to that in October, a significant drop in temperatures is evident. In December, temperatures can plunge to a minimum of -23°C (-8°F), with an average of -7°C (20°F) and a maximum of 5°C (41°F). In contrast, October experiences milder conditions, with minima around -13°C (8°F), averages at 5°C (41°F), and highs reaching 18°C (64°F). While both months see comparable levels of precipitation—121 mm (4.8 in) in December and 110 mm (4.3 in) in October—the number of rainy days is slightly higher in December, with 12 days compared to October’s 10 days. Notably, humidity remains high at 90% for both months, contributing to the damp, chilly atmosphere. For more insights on October weather specifics, visit San Martino weather in October.

In comparing the weather between December and November, we see distinct differences in temperature and precipitation. December tends to be colder, with average temperatures ranging from a minimum of -23°C (-8°F) to a maximum of just 5°C (41°F), compared to November's milder averages, where temperatures range from -20°C (-3°F) to 14°C (58°F). Additionally, December experiences heavier precipitation, totaling 121 mm (4.8 in) over 12 days, while November records slightly higher precipitation of 142 mm (5.6 in) across 11 days. Humidity levels remain relatively constant between the two months, sitting at 90% in December and 89% in November. For more detailed insights into weather conditions during this period, check out San Martino weather in November.

Compare San Martino's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in San Martino

As December sweeps in, San Martino transforms into a winter wonderland, starkly contrasting with the milder temperatures seen in other months. With an average chill that dips significantly, residents and visitors alike brace for frosty days and crisp nights. The landscape, blanketed with snow, complements the increased humidity of 90%, contributing to the month’s unique atmosphere. December is also marked by more frequent precipitation, with up to 12 days of snow or rain, deepening the seasonal spirit. For those seeking to explore this enchanting time of year, delve deeper into the nuances of the region's climate by visiting San Martino Climate.