December Weather in Porto Ercole, Italy

Last updated: March 24, 2025

Nestled along the stunning Tyrrhenian coast, Porto Ercole experiences a mild December with average temperatures hovering around 12°C (53°F), peaking at 17°C (63°F) during warmer days. While the minimum dips to about 5°C (41°F), visitors should prepare for potential rain, as the month sees 117 mm (4.6 in) of precipitation spread across approximately 12 days. High humidity levels at 83% add a refreshing softness to the air, making it an ideal time for travelers seeking to enjoy the coastal charm and scenic beauty of this quaint Italian village.

December Temperature in Porto Ercole

As December sets in, Porto Ercole, Italy, experiences a gentle transition into winter, with temperatures averaging around 12°C (53°F). The month starts with lows of 5°C (41°F), making it noticeably cooler than the preceding months, but still mild compared to true winter conditions. The maximum temperatures reach a comfortable 17°C (63°F), perfect for enjoying leisurely strolls along the picturesque coastal views. While the chill begins to establish itself, the overall climate remains inviting, reflecting a consistent trend of mildness throughout the late autumn and into the winter months. Visitors can expect a charming blend of serenity and warmth from this quaint seaside town, making December an appealing time to experience Porto Ercole's tranquil beauty.

December Weather in Porto Ercole: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Porto Ercole, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505253576472777872655853
Data source: Temperature data for Porto Ercole 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 Porto Ercole

In December, Porto Ercole experiences a notable increase in precipitation, receiving an average of 117 mm (4.6 in) across 12 days. This surge follows a particularly wet November, where 180 mm fell over 17 days, signaling the onset of the rainy season. Compared to the drier summer months, such as June and July with minimal rainfall, December's totals emphasize a shift toward a wetter pattern as winter approaches. As the year draws to a close, the town can expect the skies to be more frequently overcast, enriching the landscape and transforming Porto Ercole into a serene, rain-kissed haven.

December Precipitation Trends in Porto Ercole

The chart displays monthly precipitation patterns in Porto Ercole, 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.
JanFebMarAprMayJunJulAugSepOctNovDec646662565317181463103180117
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Porto Ercole

In December, Porto Ercole experiences a notable humidity level of 83%, which reflects a continuation of the higher moisture levels observed in the preceding months. As the year draws to a close, the humidity slightly dips from November’s 84%, introducing a subtle shift from the wetter autumn air. This month aligns with January's humidity, both showcasing a trend towards elevated dampness typical for winter in the region. The humidity in December is in stark contrast to the summer months, where it significantly eased to 55% in August. Overall, while the wettest months linger behind in the fall, the humidity in December sets the stage for a cozy, albeit damp, winter ambiance in this charming Italian coastal town.

December Average Humidity in Porto Ercole

This chart illustrates the average monthly humidity levels in Porto Ercole, 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 Porto Ercole

In Porto Ercole, Italy, the December UV Index drops to a comfortable level of 2, categorized as low, allowing for a leisurely outdoor experience with a burn time of approximately 45 minutes. This decline follows a summer peak where the UV Index soared to 10 in June, indicating very high exposure risk. Interestingly, the trend throughout the year shows a gradual increase from the low levels in winter (January and December) to very high levels in the summer months of May through August. After this seasonal high, the UV Index then gently tapers off in the fall, creating a cycle of sunlight exposure that promotes both caution and enjoyment based on the time of year. For a detailed look at the UV Index throughout the seasons, visit Porto Ercole UV Index.

Maximum UV Index Levels in Porto Ercole for December

The chart shows the monthly maximum UV Index (UVI) for Porto Ercole 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.
JanFebMarAprMayJunJulAugSepOctNovDec2457810997532
Data source: Porto Ercole 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 Porto Ercole

In Porto Ercole, Italy, December brings a gentle retreat from the sun-soaked heights of summer, with 244 hours of sunlight gracing the month. While it's one of the cloudier times of the year, this total highlights a remarkable trend: as the year progresses, the region witnesses a steady accumulation of sunshine, peaking in the sizzling July with 433 hours. Post summer, the daylight diminishes gradually; however, the vibrant charm of Porto Ercole remains, making December's softer glow an enchanting backdrop for leisurely strolls along the coastline. This transition from the bright May days to the more subdued December light creates a unique atmosphere that invites both exploration and relaxation amid the stunning coastal scenery.

Monthly Sunshine Duration in Porto Ercole: December Highlighted

The December sunshine duration represents the total number of hours Porto Ercole 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.
JanFebMarAprMayJunJulAugSepOctNovDec201h262h327h355h401h418h433h402h340h315h246h244h
Data source: Porto Ercole December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Porto Ercole During December

The likelihood of sunny weather in Porto Ercole, Italy, varies throughout the year, with December experiencing a 49% chance of sunshine. As winter approaches, the sunniest months—July and August—boast probabilities as high as 70% and 74% respectively. Interestingly, after the relatively gloomy November, which sees a mere 37% chance of sun, December offers a slight uptick in sunny prospects. This transitional period hints at the potential for those who visit at year's end to enjoy a mix of cloudy and bright days, setting a glimmering backdrop for holiday festivities amidst the beautiful Italian coast.

Percentage of Sunny Days in December in Porto Ercole

The chart illustrates the percentage of sunny days in Porto Ercole 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 Porto Ercole experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%56%66%52%50%60%70%74%60%48%37%49%
Data source: Porto Ercole December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Porto Ercole in December

As the year winds down in Porto Ercole, December brings a return to shorter days, aligning with the daylight pattern seen in January and November, each providing approximately 9 hours of sunlight. This trend marks the culmination of a gradual descent from the longer days of June, where residents basked in 15 hours of daylight. The subsequent months saw a steady decrease, with daylight tapering off to 12 hours in September and further dwindling to 11 hours in October. Although December signals shorter sunlit hours, it also invites cozy gatherings and the festive spirit, reminding us of the beauty found even in the year's twilight.

Average Daylight Hours in Porto Ercole for December

The chart illustrates the variation in daylight duration in Porto Ercole throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 26m10h 32m11h 57m13h 23m14h 37m15h 14m14h 54m13h 49m12h 26m11h9h 44m9h 5m
Data source: Porto Ercole daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Porto Ercole

In December, the inviting coastal village of Porto Ercole experiences a gentle yet refreshing breeze, with an average wind speed of 4.7 m/s (10 mph). This month sees a slight increase from the calmer summer winds, which often dip below 4 m/s, and aligns closely with the more robust gusts of early winter seen in November. As the year draws to a close, December's winds are reminiscent of the brisk air found in January, hinting at a seasonal transition while still maintaining a balmy atmosphere. Visitors can appreciate this month as a time when the winds remain refreshingly mild, perfect for enjoying the scenic beauty of the coast without the harshness of winter gales.

Average December Wind Speed in Porto Ercole

The chart displays monthly wind speed patterns in Porto Ercole, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.64.64.04.34.02.94.13.33.55.05.34.7 m/s
Data source: Porto Ercole December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Porto Ercole Compares to Other Months

The weather in Porto Ercole 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 Porto Ercole and find detailed weather information for every month.

December and January in Porto Ercole exhibit notable differences in weather patterns. While December experiences milder temperatures with a minimum of 5°C (41°F) and an average of 12°C (53°F), January sees a drop to a minimum of 0°C (32°F) and an average of 10°C (50°F). Precipitation is more prevalent in December, with 117 mm (4.6 in) over 12 days compared to January's 64 mm (2.5 in) across just 7 days. Humidity remains relatively high in both months, with December at 83% and January slightly higher at 84%. For more detailed information, you can check Porto Ercole weather in January.

In December, Porto Ercole experiences mild temperatures with a minimum of 5°C (41°F) and an average of 12°C (53°F) while reaching a maximum of 17°C (63°F). The month is also characterized by higher precipitation, totaling 117 mm (4.6 in) over about 12 days, accompanied by a humidity level of 83%. In contrast, February offers cooler conditions, with temperatures dropping to a minimum of -2°C (29°F), yet maintaining an average of 11°C (52°F) and a maximum of 17°C (64°F). This month sees a reduction in precipitation to 66 mm (2.6 in) spread across approximately 8 days, and humidity levels decrease to 76%. For more detailed information, you can check Porto Ercole weather in February.

In December, the weather tends to be mild but rainy, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 17°C (63°F) and an average of 12°C (53°F). This month also sees significant precipitation, averaging 117 mm (4.6 inches) over 12 days, coupled with high humidity levels of 83%. In contrast, March experiences a cooler climate, with temperatures dipping as low as -1°C (31°F) at night but reaching up to 20°C (67°F) during the day, while maintaining an average similar to December at 12°C (53°F). The precipitation in March is less intense, with only 62 mm (2.4 inches) over 8 days and lower humidity at 68%. For a detailed look at the March weather, you can refer to Porto Ercole weather in March.

In December, the weather is generally cooler and wetter, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 17°C (63°F), accompanied by an average humidity of 83%. The month sees significant precipitation, totaling 117 mm (4.6 in) over about 12 days. In contrast, April brings milder and drier conditions, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 22°C (72°F), and an average humidity of 70%. Precipitation is also lower in April, amounting to 56 mm (2.2 in) over just 7 days. For more detailed information on the weather during this time, you can check Porto Ercole weather in April.

In December, Porto Ercole experiences cooler temperatures, with a minimum of 5°C (41°F) and an average around 12°C (53°F), peaking at 17°C (63°F). The month also sees significant rainfall, accumulating 117 mm (4.6 in) over about 12 days, coupled with high humidity at 83%. In contrast, May brings a noticeable warming trend, with temperatures ranging from a minimum of 9°C (49°F) to an average of 18°C (64°F) and reaching highs of 27°C (81°F). Rainfall is lighter, totaling 53 mm (2.1 in) across approximately 10 days, and humidity drops to 69%. For a more detailed view of weather conditions, you can check Porto Ercole weather in May.

Comparing the weather in December and June reveals a significant contrast. In December, temperatures typically range from a cool 5°C (41°F) at night to a mild 17°C (63°F) during the day, accompanied by high humidity levels at 83% and considerable precipitation of 117 mm (4.6 in) spread over 12 days. In contrast, June boasts much warmer temperatures, with nighttime lows of 15°C (59°F) and daytime highs reaching a sweltering 31°C (88°F). The month enjoys considerably less rain, measuring only 17 mm (0.7 in) over just 3 days, and a drop in humidity to 62%. For those interested in exploring more about June weather specifically, feel free to check out Porto Ercole weather in June.

December and July present contrasting weather patterns in Porto Ercole. In December, temperatures range from a chilly 5°C (41°F) to a mild 17°C (63°F), with an average around 12°C (53°F). The month is characterized by considerable rainfall, receiving about 117 mm (4.6 in), spread over approximately 12 days, contributing to a high humidity level of 83%. In sharp contrast, July boasts much warmer conditions, with minimum temperatures of 18°C (65°F) rising to a maximum of 30°C (86°F) and an average of 25°C (77°F). Precipitation during July is minimal, averaging only 18 mm (0.7 in) over just 2 days, resulting in a lower humidity of 57%. For more details, see Porto Ercole weather in July.

December and August present contrasting weather conditions. In December, temperatures range from a minimum of 5°C (41°F) to a maximum of 17°C (63°F), with an average of 12°C (53°F). This month also sees considerable precipitation, with 117 mm (4.6 in) falling over approximately 12 days, coupled with high humidity at 83%. In contrast, August boasts much warmer temperatures, with lows of 19°C (66°F) and highs reaching 31°C (88°F), averaging around 25°C (78°F). Precipitation is minimal, totaling just 14 mm (0.5 in) over about 3 days, and humidity drops to a more comfortable 55%. For more details on the summer climate, you can check Porto Ercole weather in August.

In comparing the weather between December and September, December experiences significantly cooler temperatures, with averages ranging from a minimum of 5°C (41°F) to a maximum of 17°C (63°F), contrasted with September's warmer conditions that see temperatures ranging from a minimum of 14°C (57°F) to a maximum of 29°C (84°F). Additionally, December is characterized by higher humidity levels at 83% and increased precipitation, averaging 117 mm (4.6 in) over 12 days, while September boasts lower humidity at 66% and less rain, with only 63 mm (2.5 in) falling over 7 days. For a closer look at September's weather, check out Porto Ercole weather in September.

In comparing the weather between December and October, we see notable differences in temperature and precipitation patterns. December experiences cooler temperatures, with a minimum of 5°C (41°F) and an average of 12°C (53°F), while October enjoys milder conditions, featuring a minimum of 12°C (54°F) and an average of 18°C (65°F). The maximum temperatures in December reach only 17°C (63°F), significantly lower than October's peak of 25°C (77°F). Additionally, December sees more precipitation, with 117 mm (4.6 in) over 12 days, compared to October's 103 mm (4.1 in) over 9 days. Humidity levels are also higher in December at 83%, compared to October’s 79%. For a closer look at October's weather specifics, you can visit Porto Ercole weather in October.

In comparing the weather of December to November, we see a notable decrease in temperature. December experiences a minimum of 5°C (41°F) and a maximum of 17°C (63°F), while November is slightly warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 21°C (70°F). Additionally, December is marked by higher humidity levels at 83%, compared to November's 84%. Precipitation is also significant in both months; however, December sees a total of 117 mm (4.6 in) over 12 days, whereas November receives a heavier 180 mm (7.1 in) across 17 days, making November wetter overall. For more detailed insights, check out Porto Ercole weather in November.

Compare Porto Ercole's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Porto Ercole

As December rolls into Porto Ercole, the weather takes on a cooler and wetter character compared to the preceding months. While daytime temperatures gently max out at a mild 17°C (63°F), the evenings can feel quite brisk, with lows dipping to about 5°C (41°F). This month also sees an increase in precipitation, with nearly half of the days experiencing some rain, resulting in a rather humid atmosphere at 83%. The combination of cooler temperatures and higher humidity can make December feel quite different, inviting an appreciation for cozy indoor activities or scenic seaside strolls in the refreshing winter air. For more insights into the seasonal variations, explore the detailed Porto Ercole Climate.