Last updated: March 24, 2025
In Cagliari, Italy, the weather in December brings a refreshing chill, with daytime temperatures peaking at a maximum of 18°C (65°F) and averaging around 12°C (53°F). As the month progresses, the mercury may dip to a brisk minimum of 3°C (38°F) during the night. With about 54 mm (2.1 in) of rainfall spread over 8 days, the atmosphere is often blanketed in a humid 74%, adding a touch of crispness to the air. This delightful blend of mild temperatures and intermittent rain creates a unique charm, inviting visitors to explore the city’s rich culture and scenic landscapes.
In December, Cagliari experiences a gentle transition into winter, with temperatures ranging from a minimum of 3°C (38°F) to a pleasant average of 12°C (53°F). While the highs can reach up to 18°C (65°F), signaling that the city retains some of its autumn warmth, the chillier nights remind visitors that winter is approaching. Comparatively, December marks a slight drop from November's milder temperatures, as the average decreases from 15°C (59°F) while still showcasing a comfortable climate ideal for exploring the enchanting streets and historical sites without the summer crowds. This blend of cool and mild weather enhances the allure of Cagliari, making it a captivating destination during the festive season.
December in Cagliari, Italy, experiences a notable increase in precipitation, with 54 mm (2.1 in) of rain falling over 8 days. This marks a subtle decline from the significantly wetter November, which sees a substantial 109 mm (4.3 in) over 14 rainy days. However, December maintains a relatively high level of moisture compared to the drier summer months. As the year wraps up, the precipitation in December signifies the transition into winter, hinting at the region's Mediterranean climate that brings a refreshing end to the year. The rainfall during this month not only nourishes the landscape but also sets the stage for a vibrant, green spring ahead.
In Cagliari, Italy, December brings a refreshing decline in humidity, averaging 74% for the month. This slight drop follows a pattern established over the previous months, where humidity levels remained relatively stable throughout the year, consistently hovering between 73% and 78%. With the exception of a peak in April and May, the winter months exhibit a more comfortable humidity profile, making December a pleasant time to experience the city. As the year wraps up, residents and visitors alike can enjoy the cool atmosphere, complemented by the mild winter climate that characterizes this beautiful coastal region.
As December rolls into Cagliari, Italy, the UV Index settles at a moderate level of 3, reminiscent of the early months of the year. This slight dip in UV radiation provides a reprieve from the intense summer months, where levels peaked at 10 in both June and July, classified as very high. Although the burn time increases slightly during the colder month to 30 minutes, it's still essential to remain mindful of sun exposure. Following a pattern observed throughout the year, December's UV Index reflects a downward trend from the autumn months, where it stood at 4 in November, signaling shorter days and cooler weather. For more detailed information on daily fluctuations, visit Cagliari UV Index.
UV Risk Categories
In Cagliari, Italy, December marks the beginning of winter with a modest 258 hours of sunshine. While the month shines less brightly than the summer peak in July, with a remarkable 422 hours, it still offers more light than the earlier months of the year. Notably, December experiences a gentle decline in daylight following the vibrant autumn, where September and October enjoy 339 and 320 hours, respectively. This gradual ebb highlights a seasonal rhythm, with sunshine dwindling as the year culminates, yet Cagliari retains a pleasant charm and warmth, inviting locals and visitors alike to savor the city's beauty under its soft winter sun.
In December, Cagliari experiences a 45% chance of sunny weather, indicating a modest likelihood of enjoying bright, clear skies during this winter month. While December’s sun potential is lower than the peak summer months of July (80%) and August (81%), it represents an encouraging transition from the gloomier days of November, which boasts only a 34% chance of sunshine. As the year progresses from January through April, the probability of sunny days gradually rises, reaching its highest points in the warmer months. December sits comfortably in the middle of this spectrum, suggesting that while winter may lead to more overcast days, visitors can still hold out hope for those precious sunny breaks amidst the chill.
As the year winds down in Cagliari, December brings a return to shorter days, with daylight lasting just 9 hours. This marks a dip from the brighter months of summer, where June, July, and August enjoyed a maximum of 14 hours. The transition from the vibrant daylight of spring, peaking at 14 hours in May, gradually gives way to the cozy, twilight evenings of winter. As autumn progresses, daylight decreases steadily from October's 11 hours to November's 10 hours, culminating in December's gentle glow. This rhythmic ebb and flow of daylight reflects the Mediterranean climate’s enchanting seasonal cycle, inviting residents to embrace the soft charm of winter in this picturesque Italian city.
As December unfolds in Cagliari, Italy, the wind picks up a touch of intensity, averaging 3.6 m/s (8 mph). This mild increase from the calmer breezes of November serves as a gentle prelude to the firmer gusts of winter. While the earlier months of the year typically experience lighter winds, especially in October with its lowest average of 2.6 m/s (6 mph), December's breezes share a pattern with the summer months of July and May, which also hover around the 3.6 m/s (8 mph) mark. This consistent wind activity makes December an invigorating time to explore Cagliari, where the air is refreshingly crisp, perfect for sailing ventures and seaside strolls.
The weather in Cagliari 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 Cagliari and find detailed weather information for every month.
December and January in Cagliari exhibit relatively mild weather patterns, with January being slightly cooler overall. December has a minimum temperature of 3°C (38°F) and an average of 12°C (53°F), while January sees a minimum of 2°C (35°F) and an average of 10°C (50°F). Both months share the same maximum temperature of 18°C (65°F). Precipitation is more pronounced in December, with 54 mm (2.1 in) over 8 days, compared to 34 mm (1.4 in) across 7 days in January. Humidity levels are quite similar, standing at 74% in December and rising slightly to 76% in January. For more details on January weather specifically, you can visit Cagliari weather in January.
In December, the weather features a minimum temperature of 3°C (38°F) and a mild average of 12°C (53°F), peaking at 18°C (65°F). With 54 mm (2.1 in) of precipitation over about 8 days, December tends to feel wet, and the humidity levels are relatively high at 74%.
In comparison, February shows a slightly cooler minimum at 2°C (36°F) with a similar average temperature of 11°C (52°F). It also reaches a maximum of 19°C (67°F), but with significantly less precipitation, recorded at 29 mm (1.1 in) over just 5 days. The humidity in February remains comparable at 73%. Overall, February tends to be drier and slightly cooler than December. For more details on the February climate, visit Cagliari weather in February.
In December, the weather typically features a minimum temperature of 3°C (38°F) and an average high of 18°C (65°F), providing a cooler yet mild atmosphere. With an average precipitation of 54 mm (2.1 in) spread over 8 days, humidity levels hover around 74%, contributing to a somewhat damp feeling. In contrast, March experiences a similar minimum temperature of 3°C (38°F), but the average high reaches 21°C (71°F), indicating a noticeable warmth as spring arrives. Additionally, precipitation slightly decreases to 48 mm (1.9 in) over 9 days, while humidity remains nearly constant at 73%. For a detailed overview of what to expect, check out Cagliari weather in March.
In December, the weather experiences a relatively mild temperature range with minimums around 3°C (38°F) and maximums reaching 18°C (65°F), while the average temperature sits at 12°C (53°F). This month sees about 54 mm (2.1 in) of precipitation spread across 8 days, paired with a humidity level of 74%. In contrast, April brings slightly warmer temperatures, with a minimum of 4°C (40°F), an average of 14°C (58°F), and a maximum that climbs to 24°C (75°F). Precipitation dips to 49 mm (1.9 in) over 10 days, and humidity increases marginally to 77%. For more details on spring conditions, you can check Cagliari weather in April.
In December, the weather is generally mild, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 18°C (65°F) and an average of 12°C (53°F). The month experiences about 54 mm (2.1 in) of precipitation over approximately 8 days, contributing to a humidity level of 74%. In contrast, May brings warmer conditions, featuring temperatures that range from a minimum of 8°C (46°F) to a maximum of 30°C (86°F), with an average temperature of 18°C (65°F). Although May has a slightly higher total precipitation of 57 mm (2.3 in), it occurs over fewer days—just 7—and sees a slight increase in humidity at 78%. For more details on the pleasant weather in May, you can check Cagliari weather in May.
December and June showcase strikingly contrasting weather patterns. In December, temperatures range from a refreshing minimum of 3°C (38°F) to a pleasant average of 12°C (53°F), with highs reaching up to 18°C (65°F). The month sees about 54 mm (2.1 in) of precipitation over roughly 8 days, accompanied by a relatively high humidity level of 74%. In contrast, June brings much warmer conditions, with minimum temperatures starting at 13°C (55°F) and averaging 23°C (74°F), while maximums can soar to 34°C (94°F). Additionally, June experiences significantly lower precipitation at 19 mm (0.7 in) spread over just 2 days, and the humidity rises slightly to 77%. For more details on the delightful summer weather, check out Cagliari weather in June.
December and July present strikingly different weather patterns. In December, temperatures range from a minimum of 3°C (38°F) to a maximum of 18°C (65°F) with an average of 12°C (53°F). The month also sees about 54 mm (2.1 in) of precipitation over approximately 8 days, along with a humidity level of 74%. In contrast, July boasts much warmer conditions, with temperatures ranging from a low of 18°C (65°F) to a high of 36°C (97°F) and an average of 26°C (79°F). Rain is nearly absent, with only 1 mm (0.0 in) of precipitation falling on 0 days, and humidity rises slightly to 77%. For a closer look at the warm July climate, check out Cagliari weather in July.
December and August present vastly different weather patterns. In December, temperatures range from a chilly 3°C (38°F) at night to a mild average of 12°C (53°F) during the day, peaking at 18°C (65°F). The month is marked by an average of 54 mm (2.1 in) of precipitation over about 8 days, all while maintaining a humidity level of 74%. In contrast, August brings much warmer conditions, with nighttime lows starting at 17°C (63°F) and daytime highs soaring to 38°C (100°F), averaging a comfortable 27°C (80°F). Rainfall is minimal in August, with only 17 mm (0.7 in) recorded over just 3 days, though the humidity remains consistent at 74%. For more detailed insights into the warm summer climate, check out Cagliari weather in August.
December and September present quite contrasting weather patterns. In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 33°C (92°F), with an average of 23°C (74°F), making it a warm month conducive to outdoor activities. Precipitation is lower in September, totaling 33 mm (1.3 in) over 6 days, and humidity stands at 75%. In contrast, December sees cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 18°C (65°F), averaging 12°C (53°F). The month experiences more precipitation at 54 mm (2.1 in) over 8 days, and humidity remains relatively high at 74%. For more details on September's weather, check out Cagliari weather in September.
In December, the temperatures drop significantly compared to October, with a minimum of 3°C (38°F) and an average of 12°C (53°F), whereas October enjoys milder conditions with a minimum of 10°C (51°F) and an average of 19°C (66°F). The maximum temperature in December reaches only 18°C (65°F), which is considerably lower than October's peak of 28°C (84°F). Additionally, while December sees a bit more precipitation with 54 mm (2.1 in) over 8 days, October has slightly less with 47 mm (1.9 in) across 7 days. Humidity levels are quite similar, standing at 74% in December and 76% in October, but the cooler air in December creates a different feel. For more details on weather conditions, check Cagliari weather in October.
In comparing the weather of December and November, December tends to be cooler and wetter. While November boasts a higher average temperature with a minimum of 7°C (44°F) and a maximum of 22°C (72°F), December sees a drop to a minimum of 3°C (38°F) and a maximum of 18°C (65°F). Precipitation in November is also significantly higher at 109 mm (4.3 in) over 14 days, compared to December's 54 mm (2.1 in) across 8 days. Humidity levels remain relatively similar, with November at 75% and December at 74%. For more details on November weather, you can check out Cagliari weather in November.
As December settles over Cagliari, the weather presents a distinct shift from the milder months prior. With temperatures dipping lower, residents and visitors can expect a refreshing chill in the air, characterized by cooler minimums and an average that hovers around a crisp 12°C. Rainfall becomes more pronounced, with roughly eight days of precipitation totaling around 54 mm, adding a touch of winter ambiance to the city. Despite the higher humidity of 74%, the cooler atmosphere makes for a pleasant backdrop for exploring Cagliari’s festive offerings. For a more in-depth look at how Cagliari’s weather varies throughout the year, visit Cagliari Climate.