December Weather in Sperlonga, Italy

Last updated: March 24, 2025

In December, Sperlonga, Italy, offers a mild yet refreshing climate characterized by an average temperature of 11°C (53°F). During this month, temperatures peak at a pleasant 17°C (63°F) and can dip to a cooler 5°C (41°F) at night. Expect significant rainfall, with a total precipitation of 209 mm (8.2 in) spread over 14 days, contributing to a high humidity level of 84%. This blend of mild temperatures and moisture creates a cozy atmosphere, perfect for enjoying the charming coastal town and its beautiful winter landscapes.

December Temperature in Sperlonga

In December, Sperlonga experiences a gentle transition into winter, with temperatures that hover comfortably between 5°C (41°F) and 17°C (63°F). The average temperature of 11°C (53°F) reflects a mild chill typical of the season, offering a reprieve from the colder months ahead. As daylight diminishes, the idyllic coastal village maintains its charm, with cooler evenings perfect for cozying up at local cafes or enjoying the festive atmosphere. This month marks a subtle shift from the more vibrant autumn temperatures of November, encouraging visitors to embrace the serene beauty of Sperlonga as it slips into winter, all while retaining a pleasant climate for exploration.

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

The chart illustrates December temperature patterns in Sperlonga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec495152576472777872655952
Data source: Temperature data for Sperlonga 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 Sperlonga

In Sperlonga, Italy, December tends to be a notably wet month, with an average precipitation of 209 mm (8.2 in) falling over approximately 14 days. This significant rainfall marks a peak following the even wetter November, which recorded 316 mm (12.4 in). The trend of escalating precipitation from autumn into winter is evident, as the region transitions from the drier summer months with average rainfall dipping to just 16 mm (0.6 in) in July. As the year draws to a close, Sperlonga’s December precipitation contributes to its lush, green landscapes, setting a dramatic scene along the coastline, while also leading locals to prepare for the cozy indoor festivities that winter brings.

December Precipitation Trends in Sperlonga

The chart displays monthly precipitation patterns in Sperlonga, 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.
JanFebMarAprMayJunJulAugSepOctNovDec96115946465301611103116316209
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sperlonga

In Sperlonga, Italy, December marks a significant return to higher humidity levels, with an average of 84%. This increase mirrors the humidity seen at the beginning of the year, indicating a cyclical trend where the winter months consistently feature elevated moisture in the air. After a gradual decline through the summer, where humidity dipped to a comfortable 53% in August, the numbers start to climb again by October and November, reaching their peak in December. As the year comes to a close, the blend of crisp winter air and rising humidity creates a unique atmosphere, perfect for cozy seaside strolls and enjoying the festive season in this charming coastal town.

December Average Humidity in Sperlonga

This chart illustrates the average monthly humidity levels in Sperlonga, 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%69%70%70%61%57%53%65%75%82%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sperlonga

In December, Sperlonga, Italy, experiences a lower UV Index of 2, categorized as low, which allows for safer sun exposure with a burn time of approximately 45 minutes. This shift marks a notable decrease from the peak summer months, where values soared to 9 and 10, classified as very high, demanding vigilance and shorter exposure times. As winter sets in, the UV Index gradually softens, reflecting a trend of seasonal variation that underscores the importance of adapting sun safety practices throughout the year. For more detailed insights into UV exposure in Sperlonga, visit Sperlonga UV Index.

Maximum UV Index Levels in Sperlonga for December

The chart shows the monthly maximum UV Index (UVI) for Sperlonga 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.
JanFebMarAprMayJunJulAugSepOctNovDec34579101097642
Data source: Sperlonga 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 Sperlonga

As December arrives in Sperlonga, the sun continues to cast its warm glow, offering a delightful 244 hours of sunlight. While this marks the end of the year, it is particularly notable when compared to the longer days of the summer months, where sunshine peaks at a vibrant 427 hours in July. December's sunshine mirrors November's, showcasing a gentle drop as the region gracefully transitions into winter. Despite the shorter days, Sperlonga's December light still invites residents and visitors to explore its charm, creating a cozy atmosphere perfect for enjoying the lingering coastal beauty. The gradual decrease from the bustling summer sun to the tranquil winter days emphasizes a rhythm of life that captures the essence of this enchanting Italian destination.

Monthly Sunshine Duration in Sperlonga: December Highlighted

The December sunshine duration represents the total number of hours Sperlonga 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.
JanFebMarAprMayJunJulAugSepOctNovDec197h259h323h350h397h411h427h398h337h313h244h244h
Data source: Sperlonga December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sperlonga During December

In December, Sperlonga enjoys a moderate likelihood of sunshine, with about 50% of the days typically basking in sunlight. While this marks a slight decline from the previous months, especially when compared to the vibrant 76% chance in August, it still offers a pleasant opportunity for visitors to explore the charming coastal town. This 50% chance aligns closely with the start of winter, mirroring the cooler and cloudier atmosphere that creeps in as the year concludes. Despite the dip in sunlight, December’s weather provides a refreshing break from the usual summer crowds, making it an appealing time for those seeking a peaceful escape amidst picturesque surroundings.

Percentage of Sunny Days in December in Sperlonga

The chart illustrates the percentage of sunny days in Sperlonga 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 Sperlonga experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%53%55%41%49%58%75%76%54%42%31%50%
Data source: Sperlonga December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sperlonga in December

As December rolls into Sperlonga, Italy, the daylight duration shrinks to 9 hours, mirroring the brief days of January and November. This seasonal dip highlights a notable trend of longer days unfolding from winter's grip to summer's embrace. Starting with 10 hours in February and gradually extending to a generous 15 hours by June, the progression reveals a beautiful transition toward sun-drenched months. However, come July and August, daylight begins to wane again, leading to 12 hours in September and back to 11 hours in October, before tapering into the shorter days of late fall and early winter. This rhythmic cycle invites visitors to embrace the cozy charm of Sperlonga during its darker months while eagerly anticipating the sunlight's return.

Average Daylight Hours in Sperlonga for December

The chart illustrates the variation in daylight duration in Sperlonga throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 34m10h 37m11h 57m13h 20m14h 29m15h 5m14h 46m13h 44m12h 25m11h 3m9h 51m9h 14m
Data source: Sperlonga daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Sperlonga

As December approaches in Sperlonga, Italy, the coastal winds begin to mellow, with an average wind speed of 3.2 m/s (7 mph). This slight increase from the gentler breezes of summer reflects a transition marked by a cooling of the air and a hint of winter's chill. Notably, the winds in December are stronger than those of the quieter summer months, yet they remain more moderate compared to the brisk gusts experienced earlier in the year. The trend shows a consistent pattern: while January often boasts the year’s highest wind speeds, December serves as a gentle reminder of nature’s evolving rhythm, blending the lingering warmth of autumn with the anticipation of winter's embrace.

Average December Wind Speed in Sperlonga

The chart displays monthly wind speed patterns in Sperlonga, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.03.12.93.03.02.42.72.92.32.93.93.2 m/s
Data source: Sperlonga December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Sperlonga Compares to Other Months

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

In December, the weather is relatively mild with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 17°C (63°F), averaging at about 11°C (53°F). The month experiences considerable rainfall, totaling 209 mm (8.2 in) over approximately 14 days, combined with high humidity at 84%. In contrast, January brings cooler temperatures, with a minimum dropping to -2°C (29°F) while still reaching a maximum of 17°C (63°F), but with an average temperature of 9°C (49°F). Precipitation decreases significantly to 96 mm (3.8 in) over about 10 days, maintaining the same humidity level of 84%. For more detailed insights into January weather, visit Sperlonga weather in January.

December and February present distinctly different weather experiences, despite having similar average temperatures. In December, temperatures range from a minimum of 5°C (41°F) to a maximum of 17°C (63°F), accompanied by high humidity at 84% and significant precipitation of 209 mm (8.2 in) over 14 days. In contrast, February features a chillier minimum temperature of -1°C (31°F) but maintains the same maximum of 17°C (62°F), with less overall precipitation of 115 mm (4.5 in) spread over 10 days, and lower humidity levels at 76%. This makes February feel drier and cooler than December, despite their average temperatures being comparable. For more detailed insights into February weather, you can visit Sperlonga weather in February.

December and March both feature similar average temperatures, hovering around 11°C (53°F). However, December tends to be more humid, with an average humidity of 84% compared to March's 69%. In terms of precipitation, December receives significantly more, with 209 mm over 14 days, while March has a more moderate 94 mm over just 10 days. Additionally, March experiences slightly warmer maximum temperatures, reaching up to 18°C (65°F) compared to December's 17°C (63°F). For a detailed look at the weather specifics in March, you can check out Sperlonga weather in March.

In December, the weather tends to be cooler, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 17°C (63°F), and high humidity at 84%. The month is characterized by significant precipitation, with 209 mm (8.2 in) spread over 14 days. In contrast, April experiences warmer temperatures, with an average ranging from 5°C (41°F) to 24°C (76°F) and lower humidity at 70%. Rainfall is also considerably less in April, totaling 64 mm (2.5 in) over just 10 days. For more details on the pleasant weather in April, you can check Sperlonga weather in April.

In December, the weather is notably cooler, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 17°C (63°F), and an average of 11°C (53°F). The month is quite wet, with 209 mm (8.2 in) of precipitation over 14 days, combined with relatively high humidity at 84%. In contrast, May brings much warmer conditions, with temperatures ranging from a minimum of 8°C (48°F) to a maximum of 28°C (83°F) and an average of 18°C (64°F). Precipitation decreases significantly to 65 mm (2.5 in) over just 9 days, and the humidity drops to a more comfortable 70%. For more details on May weather, you can check Sperlonga weather in May.

December and June present a striking contrast in weather. In December, temperatures range from a chilly 5°C (41°F) to a mild 17°C (63°F), with an average of 11°C (53°F). This month also sees significant rainfall, totaling 209 mm (8.2 inches) over about 14 days, and a high humidity level of 84%. In contrast, June offers a much warmer climate, with temperatures varying from a minimum of 13°C (56°F) to a maximum of 29°C (85°F), averaging 22°C (72°F). Rainfall is minimal during this month, with only about 30 mm (1.2 inches) over 4 days, and the humidity drops to a more comfortable 61%. For more detailed information, you can check out Sperlonga weather in June.

When comparing the weather in December and July, a stark contrast is evident. In December, temperatures range from a minimum of 5°C (41°F) to a maximum of 17°C (63°F), with an average of 11°C (53°F). This month is characterized by significant precipitation, totaling 209 mm (8.2 in) over 14 days, and a high humidity level of 84%. In contrast, July boasts much warmer conditions, with a minimum temperature of 19°C (67°F) and reaching up to 30°C (86°F), averaging around 25°C (77°F). The summer month sees limited rainfall, with only 16 mm (0.6 in) occurring over just 2 days, accompanied by a much lower humidity of 57%. For more details, you can check Sperlonga weather in July.

The weather in December is notably cooler and wetter compared to August. While December experiences average temperatures ranging from 5°C (41°F) to 17°C (63°F), August offers a much warmer climate with averages between 20°C (68°F) and 31°C (88°F). Additionally, December sees significant rainfall, with 209 mm (8.2 in) over 14 days, while August enjoys a much drier month, recording only 11 mm (0.4 in) across just 2 days. Humidity also differs greatly, with December holding a high 84% compared to August's more comfortable 53%. For further details, you can check Sperlonga weather in August.

In December, the weather experiences a noticeable drop in temperatures, with a minimum of 5°C (41°F) compared to September's milder minimum of 13°C (56°F). Average temperatures in December hover around 11°C (53°F), significantly lower than September's comfortable average of 22°C (73°F). While December is characterized by higher precipitation, totaling 209 mm (8.2 in) over 14 days, September sees much less rainfall, with only 102 mm (4.0 in) over 7 days. Additionally, December's humidity level is considerably higher at 84%, contrasting sharply with September's lower humidity of 65%. For more details on September's weather, you can check Sperlonga weather in September.

December weather is notably cooler than October, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 17°C (63°F), compared to October's warmer temperatures that stretch from 11°C (52°F) to 25°C (78°F). While December experiences higher precipitation levels at 209 mm (8.2 in) over 14 days, October has a milder rainfall of 116 mm (4.6 in) spread across just 9 days. Furthermore, December’s humidity at 84% surpasses October’s 75%, contributing to a damp and chilly atmosphere in the final month of the year. For more insights, check out Sperlonga weather in October.

December experiences slightly cooler temperatures compared to November, with average highs of 17°C (63°F) opposed to November's 22°C (71°F). Additionally, December sees increased precipitation, totaling 209 mm (8.2 in) over 14 days, though November surpasses this significantly with 316 mm (12.4 in) across 17 days. Humidity levels remain relatively similar, hovering around 84% in December and 81% in November. For more detailed weather insights, you can check Sperlonga weather in November.

Compare Sperlonga's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Sperlonga

As December settles over Sperlonga, its weather distinctly shifts compared to the milder months of autumn. With average temperatures hovering around 11°C (53°F), the chill in the air is palpable, especially during the colder nights. This month experiences a notable increase in precipitation, with about 14 days of rain contributing to the overall 209 mm (8.2 in) of rainfall, making it one of the wettest times of the year. High humidity at 84% further enhances the feeling of coolness, contrasting with the summer's warmth and sunny days. For those planning to enjoy the charm of Sperlonga during this season, understanding the nuances of its December weather is crucial. Discover more about the climate specifics at Sperlonga Climate.