December Weather in Isola del Giglio, Italy

Last updated: March 24, 2025

December in Isola del Giglio, Italy offers a mild Mediterranean climate, with maximum temperatures reaching 17°C (63°F) and an average around 14°C (57°F). While visitors can enjoy relatively warm days, the minimum temperatures drop to 8°C (46°F) during the cooler nights. This month sees about 86 mm (3.4 in) of rainfall spread across 12 days, contributing to a humid atmosphere with humidity levels around 83%. Embrace the charm of winter on this picturesque island, where each rainy day adds to the serene beauty of its rugged coastline and vibrant landscape.

December Temperature in Isola del Giglio

In December, Isola del Giglio transitions into winter with temperatures that signify the approaching chill, yet still retain a mild charm. The average temperature hovers around 14°C (57°F), while daytime highs reach a comfortable 17°C (63°F), inviting visitors to enjoy the island’s serene beauty. Evenings bring cooler air, with minimum temperatures settling at 8°C (46°F), creating a cozy atmosphere perfect for evenings by the fire. Compared to preceding months, December showcases a gradual decline in warmth, yet the island remains pleasant, making it an attractive destination for those seeking a tranquil escape during the winter season. The temperate climate fosters a unique ambiance, blending the remnants of autumn's warmth with the crispness of winter, ensuring visitors experience a picturesque yet mild Italian winter.

December Weather in Isola del Giglio: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Isola del Giglio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec535455586471777873676156
Data source: Temperature data for Isola del Giglio 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 Isola del Giglio

In December, Isola del Giglio experiences a notable increase in precipitation, with 86 mm (3.4 in) of rainfall spread over approximately 12 days. This marks a transition into the wetter season, following November's peak of 168 mm (6.6 in)—the highest for the year. The persistent rainfall in December sets the stage for a typically damp end to the year, contrasting sharply with the dry summer months of June and August that only saw minimal precipitation. As locals and visitors alike embrace the island’s winter charm, December serves as a reminder of the region's significant seasonal shifts, with moisture levels rising notably compared to the lighter rains of early spring and the dry warmth of summer.

December Precipitation Trends in Isola del Giglio

The chart displays monthly precipitation patterns in Isola del Giglio, 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.
JanFebMarAprMayJunJulAugSepOctNovDec55555345428104529316886
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Isola del Giglio

In Isola del Giglio, December brings a notable shift in humidity levels, settling at 83%. This month marks a transition from the drier summer months, where humidity dipped to a low of 55% in August, to the more moisture-laden winter season. Following a gradual increase from 57% in July, humidity spikes back up, resembling the high levels seen in the preceding months of November (84%) and January (84%). Overall, the island experiences a distinct cyclical pattern, with humidity tapering off in the summer and rising steadily into the winter, creating a lush and inviting atmosphere as the year comes to a close.

December Average Humidity in Isola del Giglio

This chart illustrates the average monthly humidity levels in Isola del Giglio, 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 Isola del Giglio

In December, visitors to Isola del Giglio can expect a UV Index of 2, categorized as low, which means a comfortable exposure level with a burn time of about 45 minutes. This marks a drop from the heights experienced in the summer months, where the index peaked at 10 in June, indicating very high exposure risk. As the year winds down, the UV Index trends reflect a seasonal pattern of decreasing sun intensity, providing a safer environment for outdoor activities. To understand more about the UV trends throughout the year and plan your sun exposure wisely, check out this link: Isola del Giglio UV Index.

Maximum UV Index Levels in Isola del Giglio for December

The chart shows the monthly maximum UV Index (UVI) for Isola del Giglio 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: Isola del Giglio 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 Isola del Giglio

In Isola del Giglio, Italy, December offers a tranquil retreat with 247 hours of sunshine, gently winding down from a vibrant summer peak of 432 hours in July. As the year transitions, sunlight begins to wane, reflecting a broader trend of diminishing daylight that starts in August. Despite the decrease, December's sunshine still holds a warmth reminiscent of the lush spring months, with March and April basking in 331 and 357 hours respectively. This gradual ebb in daylight invites cozy gatherings and serene explorations of the island's stunning coastal beauty, emphasizing the charm of a winter escape in this Mediterranean paradise.

Monthly Sunshine Duration in Isola del Giglio: December Highlighted

The December sunshine duration represents the total number of hours Isola del Giglio 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.
JanFebMarAprMayJunJulAugSepOctNovDec202h262h331h357h405h418h432h402h341h316h251h247h
Data source: Isola del Giglio December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Isola del Giglio During December

December in Isola del Giglio offers a 51% chance of sunny weather, showcasing a notable transition as the year winds down. This figure reflects a slight improvement from November's 39%, hinting at more favorable weather patterns as the island prepares for winter. While December's sun probabilities are lower than the peak summer months, ranging from 71% in July to a high of 77% in August, it still presents an inviting atmosphere compared to the chillier months surrounding it. As the days grow shorter, the possibility for pleasant, sunlit moments amidst the winter backdrop creates a unique charm, making it an appealing time for visitors seeking a quieter escape.

Percentage of Sunny Days in December in Isola del Giglio

The chart illustrates the percentage of sunny days in Isola del Giglio 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 Isola del Giglio experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%60%66%56%54%62%71%77%62%50%39%51%
Data source: Isola del Giglio December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Isola del Giglio in December

In Isola del Giglio, Italy, the daylight duration follows a captivating seasonal rhythm. As winter grips the island, December sees daylight falling to 9 hours, mirroring the twilight of November. This brief illumination begins to lengthen as the year progresses, starting from 10 hours in February and gradually stretching toward the sun-drenched 15 hours of June. By mid-year, daylight begins its gradual retreat, with July and August still enjoying a generous 14 and 13 hours respectively. As autumn sets in, the hours of sunlight recede once more, plunging to 11 hours in October and again back to 9 hours by December. This cyclical pattern not only marks the passage of time but also highlights the enchanting interplay between light and the natural beauty of the island throughout the year.

Average Daylight Hours in Isola del Giglio for December

The chart illustrates the variation in daylight duration in Isola del Giglio throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 27m10h 33m11h 57m13h 23m14h 36m15h 12m14h 53m13h 48m12h 26m11h 1m9h 45m9h 7m
Data source: Isola del Giglio daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Isola del Giglio

As December rolls into Isola del Giglio, the island experiences a gentle yet invigorating breeze with an average wind speed of 6.3 m/s (14 mph). This marks a slight decrease from the gustier November winds, which howled at 7.0 m/s (16 mph), yet still provides a refreshing contrast to the milder summer months when winds dipped to their lowest at 3.7 m/s (8 mph) in June. As the year closes, December's winds evoke a sense of tranquil yet robust beauty, a reminder of the island's dynamic climate transitioning from the vibrant energy of autumn to the serene stillness of winter. With each gust, the island not only breathes in the crisp air but also prepares for the tranquil embrace of the colder months ahead.

Average December Wind Speed in Isola del Giglio

The chart displays monthly wind speed patterns in Isola del Giglio, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.36.15.15.45.03.75.24.04.66.47.06.3 m/s
Data source: Isola del Giglio December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Isola del Giglio Compares to Other Months

The weather in Isola del Giglio 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 Isola del Giglio and find detailed weather information for every month.

In December, the weather is generally milder with an average temperature of 14°C (57°F) and minimums around 8°C (46°F), while January experiences a slight drop in temperatures, averaging 12°C (54°F) with minimums of 3°C (37°F). Both months see maximums reaching up to 17°C (63°F), but December tends to be wetter, with 86 mm (3.4 in) of precipitation spread over 12 days compared to January's 55 mm (2.2 in) over just 8 days. Humidity levels remain high in both months, with December at 83% and January slightly higher at 84%. For a closer look at the specifics of January weather, you can visit Isola del Giglio weather in January.

When comparing the weather in December and February, December tends to be milder with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 17°C (63°F). This month also experiences higher precipitation levels, with about 86 mm (3.4 in) falling over approximately 12 days, resulting in a humidity level of 83%. In contrast, February is cooler, with temperatures dropping to a minimum of 1°C (34°F) and an average of 12°C (55°F), while still reaching a maximum of 17°C (62°F). February's precipitation is lower at 55 mm (2.2 in) and occurs over just 7 days, leading to a slightly reduced humidity of 76%. For more detailed information about February weather on Isola del Giglio, you can visit Isola del Giglio weather in February.

When comparing the weather in December and March, we see notable differences in temperature and precipitation. December tends to be milder, with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 17°C (63°F), accompanied by a higher precipitation rate of 86 mm (3.4 in) over approximately 12 days and a humidity level of 83%. In contrast, March experiences cooler mornings, with temperatures dipping to a minimum of 2°C (37°F), while averages remain similar, peaking at 17°C (63°F). Rainfall decreases significantly to 53 mm (2.1 in) over about 7 days, and humidity levels drop to 68%. For a more detailed look at March weather on Isola del Giglio, you can visit Isola del Giglio weather in March.

December and April exhibit distinct weather patterns, highlighting the transition from winter to spring. In December, temperatures range from a minimum of 8°C (46°F) to a maximum of 17°C (63°F), with an average of 14°C (57°F). The month is characterized by higher precipitation, totaling 86 mm (3.4 in) over 12 days, accompanied by a humidity level of 83%. In contrast, April features slightly milder temperatures, with a minimum of 8°C (47°F) and a maximum reaching 20°C (67°F), averaging at 15°C (58°F). Precipitation decreases significantly to 45 mm (1.8 in) over just 6 days, and the humidity drops to 70%. For those interested in detailed weather conditions, check out Isola del Giglio weather in April.

When comparing the weather in December and May, several notable differences emerge. December experiences cooler temperatures, with a minimum of 8°C (46°F) and an average of 14°C (57°F), while May boasts milder conditions, starting at a minimum of 11°C (51°F) and averaging 18°C (64°F). Additionally, May showcases a significant decrease in precipitation, with only 42 mm (1.6 in) over about 7 days, compared to December's 86 mm (3.4 in) falling over 12 days. Humidity levels also shift, with December experiencing higher humidity at 83%, compared to May’s more comfortable 69%. For more details on the pleasant weather in May, you can check Isola del Giglio weather in May.

December and June present strikingly different weather conditions. In December, temperatures range from a mild 8°C (46°F) to a maximum of 17°C (63°F), with an average of 14°C (57°F). The month sees a notable 86 mm (3.4 in) of precipitation over approximately 12 days, contributing to a high humidity level of 83%. In contrast, June features much warmer temperatures, with a minimum of 17°C (63°F) and a peak of 28°C (82°F), averaging around 22°C (72°F). Additionally, June experiences significantly less rainfall, with only 8 mm (0.3 in) over just 2 days and lower humidity at 62%. For more details on weather conditions during this warm month, you can visit Isola del Giglio weather in June.

December and July present a stark contrast in weather. In December, temperatures range from a cool 8°C (46°F) to a mild 17°C (63°F), accompanied by significant precipitation of 86 mm (3.4 in) over approximately 12 days, resulting in high humidity levels of 83%. In contrast, July boasts much warmer temperatures, with a minimum of 21°C (71°F) and a maximum of 28°C (82°F), characterized by a dry climate that sees only 10 mm (0.4 in) of rainfall over just a single day, and a lower humidity of 57%. To learn more about the pleasant summer conditions, check out Isola del Giglio weather in July.

The weather in December and August showcases a stark contrast, with December characterized by cooler temperatures and higher humidity. In December, average temperatures range from a minimum of 8°C (46°F) to a maximum of 17°C (63°F), accompanied by significant precipitation of 86 mm (3.4 in) over 12 days, resulting in a humid atmosphere at 83%. In contrast, August sees much warmer conditions, where temperatures range from a minimum of 21°C (70°F) to a maximum of 28°C (83°F), with minimal precipitation of just 4 mm (0.2 in) over the entire month and a lower humidity level of 55%. For more detailed insights into the warm weather, you can check Isola del Giglio weather in August.

When comparing December and September weather, a distinct contrast emerges. In September, temperatures are notably warmer, with average highs reaching 27°C (81°F) and lows around 16°C (61°F), creating a pleasant climate for outdoor activities. In contrast, December features cooler temperatures, with averages ranging from a minimum of 8°C (46°F) to a maximum of 17°C (63°F). Precipitation is more frequent in December, with 86 mm (3.4 in) falling over 12 days, compared to September's milder 51 mm (2.0 in) across just 7 days. Additionally, humidity levels are higher in December at 83%, compared to September's 66%. For those considering travel, more details can be found at Isola del Giglio weather in September.

In comparing the weather between December and October, December tends to be cooler and wetter. The average temperature in December ranges from a minimum of 8°C (46°F) to a maximum of 17°C (63°F), while October enjoys milder temperatures, with averages between 14°C (58°F) and 24°C (75°F). Precipitation is slightly higher in October, with 93 mm (3.6 in) over 7 days compared to December’s 86 mm (3.4 in) across 12 days. Additionally, December is more humid, with levels at 83%, compared to October's 79%. For those looking for detailed October weather information, you can refer to Isola del Giglio weather in October.

In comparing the weather patterns of November and December, we observe that December tends to be slightly cooler, with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 17°C (63°F), while November enjoys a milder average, peaking at 21°C (69°F) with similar minimum temperatures. Precipitation levels are notably higher in November, reaching 168 mm (6.6 in) over 16 days, compared to December's 86 mm (3.4 in) across 12 days. Humidity remains fairly consistent, with December at 83% and November at 84%, indicating a continued sense of dampness as the year draws to a close. For more detailed insights on November weather, you can visit Isola del Giglio weather in November.

Compare Isola del Giglio's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Isola del Giglio

December on Isola del Giglio brings a notable shift in weather patterns compared to the preceding months. With average temperatures dipping to a comfortable 14°C (57°F), this month introduces a refreshing chill, especially at night when lows can reach 8°C (46°F). It's also a wetter month, showcasing approximately 86 mm (3.4 in) of rainfall spread over 12 days, contributing to a higher humidity level of 83%. While the days may be cooler and rainier, the island retains its charm during this time, offering a unique, tranquil experience for visitors. For a deeper dive into the weather patterns throughout the year, explore Isola del Giglio Climate.