December Weather in San Gimignano, Italy

Last updated: March 24, 2025

Experience the charm of San Gimignano, Italy in December, where the weather is a mix of cool temperatures and delightful ambiance. With maximum highs reaching 16°C (62°F) and average temperatures around 7°C (44°F), visitors can enjoy brisk strolls through this medieval town. However, be prepared for chilly nights, as temperatures can dip to a frosty -3°C (27°F). December brings 117 mm (4.6 in) of precipitation over 13 days, adding a fresh layer to the scenic landscape, while the humidity hovers at a comfortable 83%. Embrace the enchanting atmosphere of this renowned Tuscan gem amid the wintery backdrop.

December Temperature in San Gimignano

In December, San Gimignano experiences a cool transition as winter settles in, with temperatures ranging from a chilly -3°C (27°F) at night to a mild 16°C (62°F) during the day. The average temperature of 7°C (44°F) signals the heart of winter, where the crisp air sharpens the senses and the picturesque medieval architecture appears even more enchanting against a backdrop of frost. As the month progresses, it's clear that the city continues to cool down from the milder temperatures of autumn, but the lingering warmth of early December offers a gentle reprieve. With a historical charm complemented by the tranquil, cooler weather, December showcases San Gimignano’s beauty in a unique light, inviting visitors to explore its winter magic.

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

The chart illustrates December temperature patterns in San Gimignano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414649556271767769595244
Data source: Temperature data for San Gimignano 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 Gimignano

In December, San Gimignano experiences a notable increase in precipitation, with 117 mm (4.6 in) of rain spread over 13 days. This marks a significant rise compared to the drier summer months, highlighting the onset of winter and its accompanying weather shifts. The wettest months of the year, November and December, showcase a trend of increasing rainfall, with November averaging 141 mm (5.6 in) over 15 days. As the year draws to a close, the town is enveloped in a damp ambience, creating a cozy atmosphere perfect for exploring its rich history and stunning architecture amid the picturesque Tuscan landscape.

December Precipitation Trends in San Gimignano

The chart displays monthly precipitation patterns in San Gimignano, 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.
JanFebMarAprMayJunJulAugSepOctNovDec517664869345413710093141117
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Gimignano

In San Gimignano, Italy, December marks the transition back to high humidity levels as the year comes to a close. With humidity at 83%, it shows a slight decrease from the peak levels seen in November (84%) but remains significantly higher compared to the drier summer months of July and August, which hover around 55%. This pattern reflects a seasonal trend where humidity levels typically rise through the cooler months, peaking in late autumn and early winter. Notably, December's humidity is noticeably elevated compared to the spring months, where values range from 68% to 70%. Overall, December captures the essence of an Italian winter, enveloping the historic town in a cool, moist atmosphere.

December Average Humidity in San Gimignano

This chart illustrates the average monthly humidity levels in San Gimignano, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%76%68%70%69%62%57%55%66%79%84%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Gimignano

In San Gimignano, Italy, the December UV Index reaches a low level of 2, which translates to a safe burn time of 45 minutes for the average person under the sun. This trend marks a return to lower UV levels after a peak during the summer months, where values soared to 10 in June. The transition from summer to winter shows a gradual decline in UV exposure, with November's moderate index of 3 still allowing for a reasonable burn time but signaling a shift toward safer conditions as the year closes. For those planning outdoor activities, December’s UV levels present a perfect opportunity to enjoy the beautiful Tuscan landscape without the intense sun exposure of the mid-year months. Stay informed and safe by checking the detailed San Gimignano UV Index.

Maximum UV Index Levels in San Gimignano for December

The chart shows the monthly maximum UV Index (UVI) for San Gimignano 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.
JanFebMarAprMayJunJulAugSepOctNovDec2467810997532
Data source: San Gimignano 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 Gimignano

December in San Gimignano, Italy, ushers in a modest 218 hours of sunshine, marking a gentle decline as the year draws to a close. This decrease reflects a larger trend throughout the fall and winter months, with November seeing 234 hours and October providing a more generous 308 hours. While these shorter days signal the onset of winter, the town’s charm remains undiminished, suggesting that even the cooler months have their own unique allure. In contrast, summer months boast an impressive peak, especially in July with 433 hours, enveloping visitors in warm sunlight. As the year progresses from the vibrant days of June to December’s quieter light, San Gimignano continues to captivate with its timeless beauty, inviting travelers to experience its magical ambiance year-round.

Monthly Sunshine Duration in San Gimignano: December Highlighted

The December sunshine duration represents the total number of hours San Gimignano 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.
JanFebMarAprMayJunJulAugSepOctNovDec189h241h317h351h393h420h433h403h340h308h234h218h
Data source: San Gimignano December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Gimignano During December

In San Gimignano, Italy, December brings a 40% chance of sunny weather, marking a slight dip from the preceding months, particularly if we consider the peak sunshine in the summer. Notably, December's likelihood of sun is a bit higher than the chilly months of November and January, suggesting that while the festive season can be overcast, there's still a fair chance to enjoy moments of brightness. This trend highlights a gradual increase in sunshine as the year progresses, reaching its pinnacle in the summer months of June through August. As visitors embrace the charm of this medieval town adorned in holiday spirit, they might just catch a few rays amidst the winter chill.

Percentage of Sunny Days in December in San Gimignano

The chart illustrates the percentage of sunny days in San Gimignano 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 Gimignano experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%45%64%47%43%58%63%66%56%45%35%40%
Data source: San Gimignano December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Gimignano in December

As December unfolds in San Gimignano, Italy, daylight begins to wane, giving way to the cozy charm of winter. With only 8 hours of daylight, the month marks a significant reduction from the 14 hours enjoyed in May and the peak of 15 hours during the summer months of June and July. The gradual decline in daylight from summer into winter showcases a transformation, inviting visitors to experience the town's enchanting atmosphere under shorter, crisp days. Despite the shorter hours, the unique beauty of this medieval gem remains captivating, illuminating a season of tranquility and warmth amidst the serene landscape.

Average Daylight Hours in San Gimignano for December

The chart illustrates the variation in daylight duration in San Gimignano throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 20m10h 29m11h 57m13h 26m14h 42m15h 20m15h13h 53m12h 27m10h 58m9h 40m8h 59m
Data source: San Gimignano daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in San Gimignano

In December, the winds of San Gimignano, Italy, begin to whisper a softer tune, with an average speed of 1.9 m/s (4 mph). This marks a calm trend contrasting with the slightly brisker winds felt earlier in the year, such as the steady 2.5 m/s in both October and November. As the cooler months advance, the shift towards gentler breezes hints at the serene beauty of the Tuscan landscape, inviting visitors to embrace the stillness of winter. This decline in wind speed, especially after the mild gusts of late autumn, creates a tranquil atmosphere perfect for leisurely strolls and cozy gatherings in the charming medieval town.

Average December Wind Speed in San Gimignano

The chart displays monthly wind speed patterns in San Gimignano, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.32.32.52.61.72.12.11.92.52.51.9 m/s
Data source: San Gimignano December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in San Gimignano Compares to Other Months

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

In comparing the weather of December and January, we see a notable drop in temperatures and precipitation levels. December experiences milder conditions with average temperatures ranging from -3°C (27°F) to a maximum of 16°C (62°F) and a higher precipitation of 117 mm (4.6 in) across 13 days. In contrast, January is typically colder, with temperatures dipping further to a minimum of -6°C (22°F) and averaging 5°C (42°F), while also seeing significantly less rain at 51 mm (2.0 in) over just 7 days. Humidity remains relatively high in both months, with January slightly higher at 84% compared to December's 83%. For more details on the weather patterns, you can visit San Gimignano weather in January.

December and February present a noticeable shift in weather conditions. In December, temperatures range from a minimum of -3°C (27°F) to a maximum of 16°C (62°F), with an average of about 7°C (44°F). This month experiences higher humidity at 83% and receives significant precipitation, totaling 117 mm (4.6 in) over 13 days. In contrast, February sees a slight dip in minimum temperatures, reaching -5°C (24°F), but allows for warmer highs of up to 20°C (67°F) and an average temperature of 8°C (46°F). Precipitation is markedly lower at 76 mm (3.0 in) over only 8 days, with a decrease in humidity to 76%. For more detailed insights, check out San Gimignano weather in February.

In comparing the weather between December and March, December experiences cooler temperatures, with averages ranging from a minimum of -3°C (27°F) to a maximum of 16°C (62°F). This month also sees higher precipitation, totaling 117 mm (4.6 in) over approximately 13 days, along with high humidity at 83%. In contrast, March offers a milder climate, featuring a more significant temperature range from a minimum of -7°C (19°F) up to 24°C (75°F). Precipitation is lower in March at 64 mm (2.5 in) across about 8 days, and humidity drops to 68%. For more detailed information about March weather specifically, you can visit San Gimignano weather in March.

December and April present quite contrasting weather patterns. December typically sees temperatures ranging from a chilly -3°C (27°F) to a mild 16°C (62°F), with an average of 7°C (44°F). The month is characterized by frequent precipitation, with about 117 mm (4.6 in) spread over 13 days, and a high humidity level of 83%. In contrast, April experiences a more moderate climate, with temperatures starting at a minimum of -3°C (28°F) and rising to a pleasant maximum of 26°C (79°F), averaging 13°C (55°F). Precipitation is less frequent in April, totaling 86 mm (3.4 in) over 10 days, accompanied by lower humidity at 70%. For more details on April weather, you can explore San Gimignano weather in April.

In December, the weather tends to be much cooler, with temperatures ranging from a chilly -3°C (27°F) at night to a mild 16°C (62°F) during the day, while humidity levels are high at 83%. The month also experiences relatively high precipitation, with 117 mm (4.6 in) of rain spread over 13 days. In contrast, May brings a significant increase in warmth, with average temperatures between a comfortable 4°C (40°F) and a sunny 31°C (89°F). Although it experiences a similar number of rainy days (14), the total precipitation is lower at 93 mm (3.7 in) and humidity drops to a more pleasant 69%. For those planning a visit during this blossoming month, check out San Gimignano weather in May for more details.

December and June present stark contrasts in weather patterns. In December, temperatures range from a chilly -3°C (27°F) to a mild 16°C (62°F), with an average of 7°C (44°F). The month experiences higher precipitation, with about 117 mm (4.6 in) over 13 days and humidity levels at a damp 83%. In stark contrast, June boasts much warmer temperatures, with a minimum of 10°C (51°F) and a maximum reaching 35°C (95°F), averaging around 22°C (71°F). Precipitation is significantly lower, at 45 mm (1.8 in) over just 6 days, and humidity is reduced to 62%. For a closer look at the pleasant weather in June, check out San Gimignano weather in June.

December and July present starkly contrasting weather conditions. In December, temperatures range from a chilly -3°C (27°F) at night to a mild 16°C (62°F) during the day, with an average of 7°C (44°F). This month also sees significant precipitation, averaging 117 mm (4.6 in) over 13 days, accompanied by high humidity levels averaging 83%. In contrast, July experiences much warmer temperatures, with nighttime lows of 14°C (57°F) and daytime highs reaching up to a scorching 36°C (97°F), leading to an average of 24°C (76°F). Precipitation is significantly lower during this month, averaging only 41 mm (1.6 in) over just 6 days, and humidity drops to a more comfortable 57%. For more details on the weather in July, you can visit San Gimignano weather in July.

December and August present stark contrasts in weather patterns. In December, temperatures range from a chilly -3°C (27°F) at night to a mild 16°C (62°F) during the day, with an average of 7°C (44°F). The month experiences significant precipitation, with 117 mm (4.6 inches) falling over 13 days, and humidity levels are relatively high at 83%. In contrast, August boasts much warmer conditions, with nighttime lows of 12°C (55°F) and daytime highs reaching up to 36°C (98°F), averaging 25°C (77°F). Precipitation is noticeably less, at only 37 mm (1.5 inches) over 6 days, and the humidity drops to a more comfortable 55%. For more specifics on August weather, you can check San Gimignano weather in August.

When comparing the weather in December and September, a stark contrast is evident. December is significantly cooler, with average temperatures ranging from a minimum of -3°C (27°F) to a maximum of 16°C (62°F), while September enjoys a much milder climate, featuring temperatures that range from 6°C (44°F) at night to a warm 32°C (90°F) during the day. In terms of precipitation, December typically sees more rain with 117 mm (4.6 in) over 13 days, compared to September's 100 mm (3.9 in) spread over just 10 days. Additionally, December's humidity sits at a higher 83%, while September's is more comfortable at 66%. For a closer look at September in a specific location, visit San Gimignano weather in September.

When comparing the weather in December and October, notable differences emerge. December tends to be colder, with average temperatures ranging from a chilly -3°C (27°F) to a milder 16°C (62°F), while October boasts a warmer range, with temperatures from 4°C (39°F) to a comfortable 27°C (80°F). Precipitation is heavier in December, accumulating to 117 mm (4.6 in) over 13 days, compared to October's 93 mm (3.6 in) across 9 days. Additionally, December's humidity is slightly higher at 83%, compared to October's 79%. For more details on October’s weather, you can check San Gimignano weather in October.

In comparing the weather between December and November, December generally experiences slightly colder temperatures, with a minimum of -3°C (27°F) and an average of 7°C (44°F), compared to November's minimum of -2°C (29°F) and an average of 11°C (52°F). Additionally, December sees a decrease in maximum temperatures, reaching up to 16°C (62°F) versus November's 19°C (67°F). Precipitation, while still significant, is slightly lower in December at 117 mm (4.6 in) over 13 days, compared to November's 141 mm (5.6 in) over 15 days. Humidity remains relatively stable, with December at 83% and November at 84%. For a more detailed overview of the November weather, you can refer to San Gimignano weather in November.

Compare San Gimignano's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in San Gimignano

December in San Gimignano presents a notable shift from the milder months, as temperatures dip to their annual lows, with maximums reaching 16°C (62°F) and minimums plunging to -3°C (27°F). The month is characterized by frequent rainfall, manifesting in approximately 13 wet days, that contributes to a higher humidity level, averaging at 83%. This combination of cooler temperatures and increased precipitation cloaks the medieval city in a cozy, misty atmosphere, contrasting sharply with the warmer and drier conditions of the preceding months. For a comprehensive understanding of how December fits into the broader context of the region's climate, check out San Gimignano Climate.