December Weather in Bolsena, Italy

Last updated: March 24, 2025

In December, Bolsena, Italy experiences a cool climate with a maximum temperature reaching 15°C (60°F) and an average of 7°C (44°F), dipping to a minimum of -4°C (25°F) at night. This month is characterized by a significant amount of rain, accumulating to 115 mm (4.5 in) over approximately 12 days, contributing to an overall high humidity level of 83%. Travelers can expect a crisp yet picturesque winter atmosphere, perfect for enjoying the scenic beauty of Bolsena during the festive season.

December Temperature in Bolsena

As December rolls into Bolsena, the temperatures begin to dip, creating a crisp winter atmosphere that contrasts with the mildness of the preceding months. Minimum temperatures hover around -4°C (25°F), while average daytime warmth lingers at about 7°C (44°F), offering a refreshing chill to those exploring the scenic beauty of the region. Maximum temperatures reach a comfortable 15°C (60°F), making it possible to enjoy leisurely strolls along the picturesque lakeside. This month marks a clear transition from the cooler temperatures of late autumn into the cold embrace of winter, setting the stage for cozy evenings by the fire and the enchanting charm of Bolsena adorned in its festive winter attire.

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

The chart illustrates December temperature patterns in Bolsena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414548546170757668595144
Data source: Temperature data for Bolsena 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 Bolsena

In December, Bolsena, Italy, experiences a noteworthy precipitation surge, totaling 115 mm (4.5 in), making it one of the wetter months of the year. This uptick comes on the heels of November, which recorded a significant 151 mm (5.9 in), indicating a pattern of increased rainfall as winter approaches. The month sees an average of 12 precipitation days, highlighting that while it may not rain every day, residents can expect a festive charm with regular showers throughout the month. The wettest months are typically positioned at the year’s end, contrasting sharply with the drier summer months like July and August, which average only 45 mm (1.8 in) and 43 mm (1.7 in), respectively. This seasonal shift not only enriches the landscape but also sets a cozy atmosphere ideal for the holiday season.

December Precipitation Trends in Bolsena

The chart displays monthly precipitation patterns in Bolsena, 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.
JanFebMarAprMayJunJulAugSepOctNovDec57737985964845439995151115
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bolsena

As December arrives in Bolsena, Italy, the air carries a notable humidity level of 83%, reflecting a slight decrease from the peak autumn readings. This month transitions into winter, where the humidity remains high, akin to January and November's levels. Throughout the year, Bolsena experiences a consistent fluctuation in humidity, peaking in the colder months and dipping during the summer. In July and August, the humidity drops to its lowest points at 57% and 55%, respectively, creating a crisp contrast against the damper winter months. December's humidity, while still considerably high, hints at the shifting seasons, preparing the landscape for the cool embrace of winter.

December Average Humidity in Bolsena

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

As winter settles in Bolsena, Italy, the December UV Index drops to 2, categorizing it as low risk for sun exposure. This trend reflects a seasonal decline in UV radiation, allowing residents and visitors alike to enjoy outdoor activities with a burn time of 45 minutes—the longest throughout the year. Following a sunny summer with very high UV levels peaking at 10 in June and July, the sun's intensity wanes in the colder months. It’s a perfect reminder to embrace the mild weather while remaining attentive to sun safety whenever the rays peek through. For more insights, check the detailed Bolsena UV Index.

Maximum UV Index Levels in Bolsena for December

The chart shows the monthly maximum UV Index (UVI) for Bolsena 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.
JanFebMarAprMayJunJulAugSepOctNovDec24579101097532
Data source: Bolsena 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 Bolsena

Bolsena, Italy, basks in the glow of sunshine throughout the year, with December offering a gentle wrap-up to the year. Although the town sees a decrease in sunny hours with 229 hours in December, this drop is a natural progression from the vibrant summer months that peak in July with 433 hours. As the year unfolds, there’s a clear trend of increasing daylight, beginning at a modest 190 hours in January and reaching its peak in the lushness of June. Even as December approaches, the alluring charm of daylight remains palpable, highlighting Bolsena's picturesque winter beauty, where every ray of sunlight adds warmth to the crisp air. The transition from November’s 242 hours to December reflects the gentle fade towards winter, a perfect moment for visitors to experience the tranquil allure of this Italian gem.

Monthly Sunshine Duration in Bolsena: December Highlighted

The December sunshine duration represents the total number of hours Bolsena 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.
JanFebMarAprMayJunJulAugSepOctNovDec190h241h317h348h393h419h433h401h336h309h242h229h
Data source: Bolsena December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bolsena During December

In Bolsena, Italy, December ushers in a blend of crisp winter air and a moderate 42% chance of sunny weather. This marks a slight uptick from the gloomier 29% chance in November, hinting at a gradual return of brightness as the year draws to a close. While still on the lower side compared to the lively spring months, this figure suggests that residents and visitors can still anticipate some sunny interludes amidst the cooler temperatures. Overall, December offers a delicate balance as daylight hours shorten, yet the potential for sun lingers, offering a glimmer of warmth during the heart of Italy's winter.

Percentage of Sunny Days in December in Bolsena

The chart illustrates the percentage of sunny days in Bolsena 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 Bolsena experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%47%60%44%42%59%64%63%53%40%29%42%
Data source: Bolsena December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bolsena in December

In December, Bolsena, Italy, experiences a brief return to shorter days, with daylight lasting around 9 hours. This mirrors the daylight duration of January and November, highlighting a seasonal trend that marks the onset of winter. As the year progresses from the bright heights of June, where sunlight stretches to a generous 15 hours, the days gradually shorten, reflecting the natural ebb of daylight as the colder months set in. Notably, December retains its shorter duration alongside January and November, creating a cozy atmosphere perfect for enjoying local winter festivities. As the days inch towards spring, the anticipation builds for the gradual increase in daylight that will soon follow.

Average Daylight Hours in Bolsena for December

The chart illustrates the variation in daylight duration in Bolsena throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 24m10h 31m11h 57m13h 24m14h 39m15h 16m14h 56m13h 50m12h 26m10h 59m9h 43m9h 3m
Data source: Bolsena daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Bolsena

As December settles over Bolsena, Italy, the wind whispers a gentle reminder of the season's transition, with an average speed of 2.8 m/s (6 mph)—a slight uptick from the calmer days of summer. This month marks a moment where the winds begin to strengthen again, echoing the breezes of early spring and late autumn, which both recorded similar speeds. Interestingly, while June witnesses the lowest winds, December provides a comforting consistency, reminiscent of the brisk air in January and October. This subtle resurgence in wind patterns leads to an invigorating charm, inviting residents and visitors alike to embrace the tranquil beauty of winter around the picturesque Lake Bolsena.

Average December Wind Speed in Bolsena

The chart displays monthly wind speed patterns in Bolsena, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.12.62.82.72.71.92.62.22.03.12.72.8 m/s
Data source: Bolsena December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Bolsena Compares to Other Months

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

December and January exhibit notable differences in weather patterns. In December, temperatures range from a minimum of -4°C (25°F) to a maximum of 15°C (60°F), with an average of 7°C (44°F). The month experiences more precipitation, totaling 115 mm (4.5 in) across approximately 12 days, contributing to a relatively high humidity level of 83%. In contrast, January sees slightly colder temperatures with a minimum of -5°C (23°F) and an average of 5°C (41°F), while maintaining the same maximum of 15°C (60°F). Precipitation decreases significantly to 57 mm (2.2 in) over just 7 days, resulting in a marginally higher humidity of 84%. For more details, check out Bolsena weather in January.

When comparing December and February weather, December tends to be cooler and wetter. In December, temperatures range from a chilly -4°C (25°F) at night to a mild high of 15°C (60°F) during the day, with average temperatures around 7°C (44°F). This month also features more precipitation, with about 115 mm (4.5 in) falling over 12 days and humidity peaking at 83%. In contrast, February sees slightly higher temperatures, with a minimum of -7°C (19°F) and a maximum of 18°C (65°F), while maintaining a similar average temperature of 7°C (45°F). Precipitation drops significantly to 73 mm (2.9 in) over just 8 days, and humidity levels decrease to 76%. For detailed information about February weather, you can check Bolsena weather in February.

In December, the weather tends to be quite cool, with average temperatures ranging from a chilly -4°C (25°F) to a milder 15°C (60°F), coupled with high humidity at 83% and significant precipitation of 115 mm (4.5 in) over 12 days. In contrast, March experiences a wider temperature range, with lows of -10°C (14°F) and highs reaching up to 21°C (70°F), although it sees less rainfall with 79 mm (3.1 in) over 10 days and lower humidity at 68%. The transition from December to March highlights an increase in average temperatures, making March feel noticeably warmer compared to the cool and wet December climate. For more specific details on the weather during this month, check out Bolsena weather in March.

December and April exhibit striking contrasts in weather patterns. In December, temperatures typically range from a chilling minimum of -4°C (25°F) to a mild maximum of 15°C (60°F), with an average of 7°C (44°F). This month also sees significant precipitation, averaging 115 mm (4.5 in) over about 12 days, coupled with high humidity at 83%. In contrast, April experiences a more temperate climate, with minimum temperatures around -2°C (29°F) and maximums soaring to 26°C (78°F), bringing an average of 12°C (54°F). Precipitation is less frequent in April, totaling 85 mm (3.4 in) across about 10 days, and humidity drops to 70%. For a closer look at Bolsen's April weather, check out Bolsena weather in April.

December and May present strikingly different weather patterns. In December, temperatures range from a chilly minimum of -4°C (25°F) to a maximum of 15°C (60°F), with an average of 7°C (44°F). The month experiences significant precipitation, totaling 115 mm (4.5 in) over approximately 12 days, accompanied by high humidity levels at 83%. In contrast, May sees a rise in temperatures, with minimums of 4°C (40°F) and maximums soaring to 31°C (87°F), averaging around 16°C (61°F). Though May has slightly lower precipitation at 96 mm (3.8 in), it experiences more rainy days (14) and considerably reduced humidity at 69%. For those curious about the specific conditions, more details can be found here: Bolsena weather in May.

When comparing the weather in December and June, the differences are quite striking. December features cooler temperatures, with a minimum of -4°C (25°F) and an average of 7°C (44°F), reaching a maximum of 15°C (60°F). Additionally, it experiences higher precipitation at 115 mm (4.5 inches) over 12 days, coupled with a humidity level of 83%. In contrast, June boasts significantly warmer conditions, with temperatures ranging from a minimum of 9°C (49°F) to an average of 21°C (71°F), peaking at 35°C (95°F). The month is markedly drier, receiving only 48 mm (1.9 inches) of rain over just 5 days, and has a lower humidity of 62%. For a detailed look at how the climate feels during June, you can refer to Bolsena weather in June.

December and July present stark contrasts in weather conditions. In December, temperatures can drop to a minimum of -4°C (25°F), with an average of 7°C (44°F) and a maximum of 15°C (60°F). The month is characterized by significant precipitation, totaling 115 mm (4.5 in) over 12 days, accompanied by high humidity levels of 83%. In contrast, July enjoys much milder temperatures, ranging from a minimum of 14°C (57°F) to an average of 24°C (75°F) and peaking at 35°C (95°F). Rainfall is relatively light in July, with only 45 mm (1.8 in) over just 6 days, and humidity drops to a comfortable 57%. For more information about the weather in July, check out Bolsena weather in July.

When comparing the weather in December and August, the contrast is striking. December is characterized by much cooler temperatures, with average highs around 7°C (44°F) and lows dipping to -4°C (25°F). The month also experiences higher precipitation, totaling 115 mm (4.5 in) over 12 days, combined with a humidity level of 83%. In stark contrast, August boasts much warmer conditions, with average highs reaching a scorching 25°C (77°F) and maximum temperatures soaring up to 38°C (100°F). Precipitation in August is significantly lower at just 43 mm (1.7 in) over 8 days, coupled with a more comfortable humidity level of 55%. For a detailed look at August weather, you can visit Bolsena weather in August.

December weather contrasts sharply with that of September. In December, temperatures range from a chilly -4°C (25°F) at night to a mild 15°C (60°F) during the day, while September enjoys warmer conditions with minimums of 7°C (46°F) and maximums reaching 31°C (88°F). Precipitation is slightly higher in December, with 115 mm (4.5 in) over 12 days, compared to 99 mm (3.9 in) over 9 days in September. Additionally, December's average humidity of 83% adds to the wintry feel, in stark contrast to September's more comfortable humidity level of 66%. For more details, check out Bolsena weather in September.

When comparing the weather in December and October, it's clear that December tends to be colder, with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 15°C (60°F). In contrast, October enjoys milder temperatures with a minimum of 6°C (43°F) and a maximum of 25°C (78°F). Additionally, October is drier, experiencing 95 mm (3.8 in) of precipitation across 10 days, whereas December sees increased precipitation of 115 mm (4.5 in) over 12 days. The humidity is also slightly higher in December at 83%, compared to 79% in October. For a detailed look at October weather in Bolsena, you can visit Bolsena weather in October.

In comparing the weather patterns of December and November, it is evident that December experiences slightly cooler temperatures, with an average of 7°C (44°F) compared to November's average of 11°C (52°F). The minimum temperatures in December can drop to -4°C (25°F), while November remains above freezing with a minimum of 0°C (32°F). Precipitation is also notable; December sees 115 mm (4.5 in) over 12 days, which, while less than November's 151 mm (5.9 in) across 16 days, still contributes to a relatively damp month. Humidity levels remain similar, with December at 83% and November at 84%. For more detailed insights on November's weather specifics, feel free to explore Bolsena weather in November.

Compare Bolsena's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Bolsena

As December settles over Bolsena, the weather takes a notable turn, offering a cooler ambiance compared to other months. With temperatures dipping significantly, it becomes one of the coldest times of the year, creating a stark contrast to the mild warmth of autumn. Precipitation also plays a more pronounced role during this month, leading to a higher number of rainy days, which contributes to a sense of freshness in the air, despite the chill. The humidity remains elevated, making the atmosphere feel brisk and invigorating. For those curious about what to expect regarding climate variations, additional details can be found at Bolsena Climate.