December Weather in Sardinia, Greece

Last updated: August 21, 2025

December in Sardinia, Greece brings a blend of invigorating chill and refreshing rains, with maximum temperatures reaching a pleasant 18°C (64°F) and average temperatures hovering around a cool 8°C (47°F). As winter sets in, the minimum temperature can dip to a brisk -2°C (28°F), creating a crisp atmosphere ideal for cozy getaways. The month sees 257 mm (10.1 in) of rainfall spread across 14 days, resulting in an 83% humidity level that enhances the lush landscapes of this beautiful island. Whether you're exploring the rugged coastline or enjoying local cuisine, December's climate in Sardinia offers a unique experience for visitors seeking tranquility amid the festive season.

December Temperature in Sardinia

In December, temperatures in Sardinia, Greece begin to reflect the chill of winter, with a noticeable drop from the milder conditions of previous months. Minimum temperatures hover around a brisk -2°C (28°F), while the average settles at a cool 8°C (47°F). Although daytime highs can still reach a comfortable 18°C (64°F), the overall trend marks a transition towards colder weather as the year winds down. This shift not only signifies the onset of winter but also brings a unique charm to the region, making December an enchanting time to explore Sardinia’s festive spirit against a backdrop of crisp, invigorating air.

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

The chart illustrates December temperature patterns in Sardinia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sardinia, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec424650566471777871615446
Data source: Temperature data for Sardinia 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 Sardinia

In December, Sardinia experiences a significant uptick in precipitation, with a remarkable 257 mm (10.1 in) of rainfall over 14 days. This marks a stark contrast to the drier summer months, where July and August see minimal rainfall, only 27 mm (1.1 in) and 17 mm (0.7 in) respectively. As the year winds down, December’s precipitation nearly doubles that of the previous month—November recorded 175 mm (6.9 in) over 11 days. This trend highlights the transition into the wetter winter season, making December one of the rainiest months in Sardinia, where lush landscapes thrive under the relentless showers. Such patterns not only sustain the island's natural beauty but also underscore the importance of seasonal changes in its climate.

December Precipitation Trends in Sardinia

The chart displays monthly precipitation patterns in Sardinia, 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. In Sardinia, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec17815012273645927176095175257
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sardinia

As December rolls in, Sardinia experiences a notable rise in humidity levels, reaching 83%. This uptick follows a steep drop during the summer months, where humidity dipped to as low as 47% in August, making it the driest time of the year. The trend of increasing moisture becomes apparent in the fall, with November showing a significant jump to 80%. This gradual return to higher humidity levels culminates in December, as the island prepares for winter, contrasting sharply with the dry, sun-soaked summer. Visitors can expect a more humid atmosphere, reminiscent of the wetter winter months that precede the dry spring, offering a refreshing respite from the harsh summer heat.

December Average Humidity in Sardinia

This chart illustrates the average monthly humidity levels in Sardinia, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Sardinia is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%76%70%72%60%56%47%56%70%80%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sardinia

As December rolls into Sardinia, Greece, the UV Index settles at a moderate 3, suggesting that while sun exposure is manageable, precautions are still advisable. This month's burn time remains consistent with previous winter months, allowing for approximately 30 minutes in the sun before risking skin damage. Notably, the year begins with relatively low UV levels in January and February, increases to 11 during the summer months, and subsequently declines to 3 by December, reflecting seasonal shifts. With such fluctuating UV Index levels throughout the year, understanding and preparing for sun exposure is crucial for enjoying Sardinia’s beautiful landscapes without compromising skin health. For more insights, check out Sardinia UV Index.

Maximum UV Index Levels in Sardinia for December

The chart shows the monthly maximum UV Index (UVI) for Sardinia 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. In December, the maximum UV index in Sardinia typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568101110108643
Data source: Sardinia 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 Sardinia

As December rolls in, Sardinia continues to bask in its mild Mediterranean charm, enjoying 230 hours of sunshine. While the days may be shorter than in the vibrant summer months, this figure is a distinct reminder of the region's ability to offer a bright escape even in winter. Notably, December sees a gradual decline in daylight compared to the lively 422 hours of sunshine in July, yet it stands comfortably amidst the monthly averages, following a consistent trend of sun-drenched months from January's 199 hours to May's impressive 393 hours. This enduring glow not only highlights the beauty of Sardinia's landscape but also invites visitors to enjoy the island's tranquil atmosphere, crafting the perfect backdrop for a winter retreat.

Monthly Sunshine Duration in Sardinia: December Highlighted

The December sunshine duration represents the total number of hours Sardinia 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.
JanFebMarAprMayJunJulAugSepOctNovDec199h249h322h341h393h404h422h395h346h304h254h230h
Data source: Sardinia December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sardinia During December

When considering the likelihood of sunny weather in December in Sardinia, Greece, there is an observable trend in the shifting patterns of sunlight throughout the year. December features a 40% chance of sunshine, which, while lower than the balmy summer months, still offers opportunities for clear skies. Notably, as the year progresses from the sun-drenched peaks of July and August at 85% and 88%, respectively, the chance of sunshine decreases, but December's figures surpass those of January and November. This seasonal ebb and flow create a picturesque winter escape for those who enjoy milder weather paired with the occasional sun-filled day amid Sardinia's stunning landscapes.

Percentage of Sunny Days in December in Sardinia

The chart illustrates the percentage of sunny days in Sardinia 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 Sardinia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%51%43%45%59%71%85%88%65%45%28%40%
Data source: Sardinia December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sardinia in December

In Sardinia, Greece, the daylight duration paints a vivid picture of the changing seasons. As we transition from the warmth of December with just 9 hours of daylight to the vibrant fullness of April, which enjoys up to 13 hours, it’s clear that winter is giving way to spring. The days gradually lengthen, peaking in the blissful light of May and June, when the sun graces the island for 14 hours. This extended daylight begins to wane as summer fades into fall, dipping back to 10 hours in November before the cycle resets in January. This rhythmic ebb and flow of daylight not only marks the calendar but also enriches the island's natural beauty, inviting both residents and visitors to revel in the ever-changing landscape of sun and shadow.

Average Daylight Hours in Sardinia for December

The chart illustrates the variation in daylight duration in Sardinia throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 46m10h 44m11h 58m13h 14m14h 18m14h 50m14h 33m13h 36m12h 23m11h 8m10h 2m9h 28m
Data source: Sardinia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Sardinia

In December, the winds of Sardinia begin to whisper a gentle refrain, with an average speed of 1.7 m/s (4 mph), slightly lower than the months preceding it. Throughout the year, the wind remains relatively calm, with speeds primarily hovering around 1.7 to 2.0 m/s. January to November showcases a subtle variance, yet December's tranquility invites a serene atmosphere, perfect for cozy gatherings and reflective strolls along the coastal beauty. As the year winds down, Sardinia's breezes remind us of nature's consistent rhythm, offering a peaceful backdrop to the island's charm during the festive season.

Average December Wind Speed in Sardinia

The chart displays monthly wind speed patterns in Sardinia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.81.71.81.71.41.61.61.72.01.91.7 m/s
Data source: Sardinia December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Sardinia Compares to Other Months

Weather in Sardinia varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sardinia, focusing on differences in temperature, rainfall, humidity, and UV levels.

In December, the weather features milder temperatures with a minimum of -2°C (28°F) and an average of 8°C (47°F), reaching a maximum of 18°C (64°F). This month experiences significant precipitation, totaling 257 mm (10.1 in) over 14 days, with humidity levels at 83%. In contrast, January is colder, with a minimum temperature of -8°C (18°F) and an average of 5°C (42°F), though it can still reach up to 20°C (67°F). Precipitation decreases to 178 mm (7.0 in) over 12 days, while humidity remains slightly elevated at 84%. Overall, January is marked by cooler temperatures and reduced rainfall compared to December. For more information, check out Sardinia weather in January.

December and February in Sardinia present notable similarities and differences in weather patterns. Both months feature an average temperature of around 8°C (47°F), but December sees a wider range with maximums reaching up to 18°C (64°F) compared to February’s slightly higher maximum of 19°C (67°F). Precipitation is also more prominent in December, with 257 mm (10.1 in) over 14 days, while February experiences significantly lower rainfall of 150 mm (5.9 in) across 11 days. Additionally, December has a higher humidity level at 83%, while February's humidity drops to 78%. For more detailed insights, check out Sardinia weather in February.

December and March present quite different weather conditions. In December, temperatures range from a low of -2°C (28°F) to a high of 18°C (64°F), with an average temperature of 8°C (47°F). The month is notably wet, receiving approximately 257 mm (10.1 in) of precipitation over 14 days, and humidity levels are high at 83%. In contrast, March experiences milder temperatures with a minimum of -4°C (25°F) and a maximum of 22°C (72°F), averaging around 10°C (50°F). Precipitation decreases significantly to 122 mm (4.8 in) over about 12 days, and humidity is lower at 75%. To explore more about the weather in March, you can check Sardinia weather in March.

Comparing the weather in December and April reveals distinct seasonal contrasts. December experiences colder temperatures with a minimum of -2°C (28°F) and an average of 8°C (47°F), peaking at 18°C (64°F). This month also sees significant precipitation, totaling 257 mm (10.1 in) over 14 days, coupled with high humidity at 83%. In contrast, April boasts milder conditions, starting from a minimum of 1°C (34°F) and averaging 14°C (57°F), with maximums reaching 28°C (83°F). Precipitation is markedly less at 73 mm (2.9 in) over 10 days and humidity is lower at 70%. For more details on April's weather in the region, you can check Sardinia weather in April.

December and May present two strikingly different weather patterns. In December, temperatures typically range from a chilly -2°C (28°F) to a mild maximum of 18°C (64°F), accompanied by relatively high precipitation levels of 257 mm (10.1 in) over 14 days and humidity at 83%. This creates a damp and cold atmosphere. In contrast, May sees a notable rise in temperatures, with minimums around 7°C (45°F) and maximums soaring to 34°C (94°F), while overall precipitation drops to 64 mm (2.5 in) across 12 days and humidity decreases to 72%. This shift results in a warmer and drier climate, making May a popular time for outdoor activities. For more details about the weather in May, you can check out Sardinia weather in May.

December and June present a stark contrast in weather conditions. In December, temperatures range from a chilly -2°C (28°F) to a mild 18°C (64°F), with an average of 8°C (47°F). This month sees significant precipitation, with 257 mm (10.1 in) falling over 14 days, resulting in a high humidity of 83%. In contrast, June boasts much warmer temperatures, with a minimum of 10°C (51°F) and a maximum soaring to 36°C (97°F), leading to an average of 22°C (72°F). The precipitation in June is considerably lower at 59 mm (2.3 in) over just 11 days, coupled with a more comfortable humidity of 60%. For more insights on this season, check out Sardinia weather in June.

December and July present stark contrasts in weather. In December, temperatures can drop to a minimum of -2°C (28°F) while averaging around 8°C (47°F), peaking at a mild 18°C (64°F). The month also sees significant precipitation, with 257 mm (10.1 in) falling over 14 days and humidity levels reaching 83%. In contrast, July boasts much warmer conditions, with minimum temperatures of 16°C (61°F), an average of 25°C (78°F), and maximums soaring up to 38°C (101°F). This summer month experiences much less rainfall, totaling only 27 mm (1.1 in) over just 4 days, along with a lower humidity level of 56%. For more details on weather during this summer month, you can check Sardinia weather in July.

December and August present strikingly different weather patterns. In December, temperatures range from a chilly -2°C (28°F) to a mild 18°C (64°F), with an average around 8°C (47°F). The month is characterized by high precipitation, totaling 257 mm (10.1 in) over about 14 days, accompanied by high humidity at 83%. In contrast, August features much warmer temperatures, with a minimum of 15°C (60°F) and soaring highs reaching 39°C (102°F), averaging 26°C (79°F). Rainfall is scarce during this month, amounting to just 17 mm (0.7 in) over 3 days, and humidity drops to a more comfortable 47%. For more details on weather conditions, you can visit Sardinia weather in August.

In December, the weather takes a significant turn, with temperatures ranging from a chilly -2°C (28°F) at night to a mild average of 8°C (47°F) during the day, peaking at a comfortable 18°C (64°F). This month also experiences high humidity at 83% and substantial rainfall of 257 mm (10.1 in) over 14 days, making it a wet season. In contrast, September boasts much warmer conditions, with minimum temperatures of 9°C (49°F) and daily averages reaching 21°C (71°F), climbing to maximums of 34°C (94°F). Precipitation is notably lower in September, totaling only 60 mm (2.3 in) over about 5 days, accompanied by a more comfortable humidity level of 56%. For a detailed comparison, you can explore Sardinia weather in September.

In comparing the weather of December and October, it's evident that December is much colder and wetter. December typically sees a minimum temperature of -2°C (28°F) and an average of 8°C (47°F), while October enjoys milder temperatures, with a minimum of 6°C (43°F) and an average of 16°C (61°F). Precipitation is significantly higher in December, with 257 mm (10.1 in) over 14 days compared to October's 95 mm (3.7 in) across just 7 days. Additionally, December's higher humidity at 83% contributes to a more uncomfortable atmosphere compared to October's 70%. For more detailed insights into October weather, you can visit Sardinia weather in October.

In comparing the weather of December and November, December presents a significant drop in temperatures, with average highs of only 18°C (64°F) compared to November's more moderate 26°C (79°F). December is colder, with minimums dipping to -2°C (28°F), while November remains milder with a minimum of 0°C (32°F). Additionally, December experiences more precipitation, totaling 257 mm (10.1 in) over 14 days, whereas November sees less rainfall at 175 mm (6.9 in) over 11 days. Humidity levels are fairly consistent between the two months, with December slightly higher at 83% compared to November's 80%. For more insights on November's climate, you can check Sardinia weather in November.

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Conclusion: What to Expect From December Weather in Sardinia

In December, Sardinia experiences a distinct transition from the milder autumn months to the chill of winter. With average temperatures dropping significantly, days are cooler and notable rainfall increases, resulting in more humid conditions than seen earlier in the year. While the island still enjoys some sunny spells, the increased precipitation and cloud cover create a contrasting vibe compared to Sardinia's lively summer atmosphere. This month's weather invites visitors to embrace its serene beauty and enjoy the festive atmosphere, making it a unique time to explore the captivating landscapes. For a deeper look into the yearly patterns, check out the Sardinia Climate page.