Last updated: March 24, 2025
December in San Clemente, Italy is marked by a mild but variable climate, with maximum temperatures reaching around 17°C (63°F) and dropping to a chilly 0°C (32°F) at night. The average temperature hovers around 9°C (49°F), giving a crisp feel to the air. This month sees significant precipitation, totaling 187 mm (7.4 in) over approximately 13 days, fostering a lush, vibrant landscape. With humidity levels at a notable 84%, the atmosphere tends to feel more damp, adding to the seasonal charm. Whether you're exploring local sights or enjoying the serene countryside, December in San Clemente offers a cozy yet invigorating experience.
In December, San Clemente, Italy, begins to embrace the winter chill, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 17°C (63°F). The average temperature settles at a cool 9°C (49°F), marking a gentle decline from the milder fall months. As the year winds down, the transition to colder weather becomes apparent, with December's temperatures noticeably lower than the balmy summer highs experienced earlier. Visitors can expect crisp air, making it a perfect time for cozy gatherings and enjoying the picturesque winter scenery in this charming Italian town. The drop in temperatures is a captivating contrast to the warmth of earlier months, inviting a more intimate and festive atmosphere in San Clemente.
In December, San Clemente experiences a significant shift in its precipitation pattern, with an average of 187 mm (7.4 in) of rain over 13 days. This notable increase forms part of the region's wettest months, contributing to a dramatic rise from November's already impressive 278 mm. As the year draws to a close, the frequency of rainfall also remains elevated, indicating that December is not just about holiday cheer but also a time of abundant moisture. This contrasts sharply with the dry summer months, where rainfall dipped to as low as 21 mm in August. Overall, December’s precipitation sets the stage for a lush and vibrant landscape in the following months, highlighting the importance of seasonal rains in sustaining the area's natural beauty.
In December, humidity in San Clemente climbs back to a notable 84%, mirroring the levels seen in January. This seasonal uptick marks a trend as humidity fluctuates throughout the year, peaking during the winter months. From late spring through summer, humidity reaches its annual low of 53% in August, creating a comfortable, dry atmosphere. As autumn sets in, humidity gradually rises, indicating the approach of winter's damp embrace. The consistent autumn increase, culminating in December's humidity, highlights the region's characteristic shift from the drier days of summer to the more humid winter climate, offering a unique rhythm to San Clemente's weather.
In December, San Clemente experiences a notable drop in the UV Index, registering a low value of 2, meaning that sun exposure is quite manageable with a burn time extending to 45 minutes. This decline follows a pattern seen in the previous months, where the UV Index peaked during the summer with values soaring as high as 10 in June and July. The year transitions from a demanding very high exposure category in the summer to a more gentle low category in December, allowing for longer outdoor activities without the immediate risk of sunburn. As winter settles in, visitors can enjoy the stunning scenery of San Clemente with less concern about UV radiation. For more detailed information on UV levels throughout the year, check out San Clemente UV Index.
UV Risk Categories
As December envelops San Clemente, Italy, the city bids farewell to the vibrant light of summer, receiving a still generous 238 hours of sunshine. While this marks a dip compared to the sun-drenched heights of July, which boasts a dazzling 426 hours, it retains a comfortable glow in the midst of winter. The trend reveals a gradual decline in sunshine hours from the peak of 393 hours in May, as longer days yield to cooler months. Yet, even as daylight wanes, the charm of San Clemente shines through the crisp air, inviting visitors to savor the beauty of the coastal landscape bathed in low December sunlight, making it a delightful time to explore this enchanting Italian destination.
In December, San Clemente, Italy, enjoys a 49% chance of sunny weather, marking a notable upswing from the drearier November, which sees only a 29% likelihood of sunshine. This transitional month signals the tail end of the more overcast autumn season, as the sun begins to peek out more frequently. While still lower than the sunnier summer months, where chances soar to 74% in July and August, December's sun probabilities are quite promising, especially compared to the preceding months. As winter sets in, visitors can anticipate occasional bright days, making San Clemente a charming destination even in the cooler season.
In San Clemente, Italy, the daylight duration follows a gentle rhythm throughout the year, peaking in the vibrant summer months. December, with its 9 hours of daylight, mirrors the shorter days of January and November, enveloping the town in a cozy winter ambiance. As the year progresses from March's 11 hours to June's 15 hours, sunshine gradually illuminates the landscape, encouraging outdoor pursuits and a lively atmosphere. However, as autumn sets in, daylight begins to wane, with October's 11 hours giving way to the return of the shorter winter days. This cyclic pattern highlights the interplay between seasons, offering a unique charm that characterizes life in San Clemente throughout the year.
As December settles over San Clemente, Italy, the average wind speed gently drops to 2.0 m/s (4 mph), a subtle decline from the brisker months of early winter. This reduction continues a notable trend observed throughout the year, where the wind speeds tend to fluctuate around the 2.1 m/s mark from January to November. A noticeable shift occurs in the summer months, where the winds ease to their lowest point in June at 1.6 m/s (4 mph), before gradually rising again in the fall. The December breeze, though milder, still captures the essence of the coastal charm, creating a serene atmosphere ideal for leisurely strolls along the waterfront. As the seasons transition, the winds whisper stories of the changing tides, inviting residents and visitors alike to embrace the tranquil rhythm of winter in this picturesque locale.
The weather in San Clemente 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 San Clemente and find detailed weather information for every month.
In December, the weather is milder, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 17°C (63°F), and an average of 9°C (49°F). The month sees substantial precipitation, with 187 mm (7.4 in) falling over 13 days, and the humidity remains high at 84%. In contrast, January experiences cooler temperatures, with a minimum of -7°C (20°F) and a similar maximum of 18°C (65°F), averaging 7°C (45°F). Precipitation drops to 88 mm (3.5 in) across 10 days, while humidity remains consistent at 84%. For a more detailed look at the weather during this time, you can visit San Clemente weather in January.
December and February present notable differences in weather, despite both months experiencing similar average temperatures of around 9°C (49°F). In December, temperatures range from a chilly 0°C (32°F) to a milder 17°C (63°F), while February sees slightly cooler conditions with a minimum of -5°C (23°F) and a maximum of 18°C (65°F). Precipitation is more frequent in December, with 13 rainy days totaling 187 mm (7.4 in), compared to February's 10 days and 132 mm (5.2 in) of rain. Additionally, December experiences higher humidity levels at 84%, while February's humidity decreases to 76%. For a detailed look at what to expect, check out San Clemente weather in February.
In December, the weather is generally cooler with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 17°C (63°F), and an average temperature of 9°C (49°F). This month also experiences higher precipitation, with 187 mm (7.4 in) falling over 13 days and a humidity level of 84%. In contrast, March brings slightly colder nights with temperatures dropping to a minimum of -3°C (26°F) but warming up to a maximum of 21°C (70°F) and an average of 10°C (51°F). Precipitation decreases significantly to 102 mm (4.0 in) over just 11 days, and humidity drops to 69%. For more details, you can check San Clemente weather in March.
In December, the weather tends to be quite cool, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 17°C (63°F), while averaging around 9°C (49°F). This month also sees substantial precipitation, totaling 187 mm (7.4 in) across about 13 rainy days, contributing to a high humidity level of 84%.
In contrast, April brings much warmer temperatures, with a range from the same minimum of 0°C (33°F) but peaking at 28°C (83°F) and averaging 13°C (56°F). Precipitation decreases significantly to 74 mm (2.9 in) over 11 days, and humidity is more moderate at 70%. This shift in weather makes April a generally more pleasant month compared to the chill and dampness of December. For more detailed weather insights, check San Clemente weather in April.
In comparing the weather between December and May, we see a stark contrast in temperatures and conditions. December experiences cooler averages, with minimums around 0°C (32°F) and maximums reaching only 17°C (63°F), accompanied by high humidity levels at 84%. This month also sees considerable precipitation, totaling 187 mm (7.4 in) over approximately 13 days. In contrast, May offers a much more temperate climate, with minimum temperatures at 5°C (41°F) and maximums soaring to 31°C (88°F), contributing to an average of 17°C (63°F). The month is significantly drier, with only 72 mm (2.8 in) of precipitation over about 12 days and lower humidity at 70%. For more details about the pleasant weather in May, visit San Clemente weather in May.
In December, the weather is quite chilly with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 17°C (63°F), featuring an average of 9°C (49°F). This month also brings substantial precipitation, with around 187 mm (7.4 in) of rainfall over about 13 days, resulting in high humidity levels of 84%. In contrast, June boasts much warmer conditions, with temperatures starting at a minimum of 10°C (50°F) and peaking at 33°C (92°F), while the average temperature is a comfortable 22°C (72°F). Rainfall is significantly lower during this month, totaling only 46 mm (1.8 in) over approximately 7 days, and the humidity drops to a more pleasant 61%. For those interested in a deeper dive into the warm and inviting climate of June, check out San Clemente weather in June.
Comparing the weather in December and July reveals a striking contrast. December experiences cooler temperatures, ranging from a chilly minimum of 0°C (32°F) to a maximum of 17°C (63°F), with an average of 9°C (49°F). This month is also characterized by higher humidity levels at 84% and considerable precipitation, totaling 187 mm (7.4 in) over 13 rainy days. In stark opposition, July boasts much warmer temperatures, with a minimum of 16°C (61°F), an average of 25°C (77°F), and a maximum reaching 34°C (94°F). Additionally, July sees significantly lower precipitation at just 23 mm (0.9 in) over 4 days and a more comfortable humidity level of 57%. For a deeper look at July weather, you can refer to San Clemente weather in July.
December and August present contrasting weather conditions. In December, temperatures range from a chilly minimum of 0°C (32°F) to a maximum of 17°C (63°F), with an average of 9°C (49°F). This month is characterized by significant precipitation, totaling 187 mm (7.4 in) over 13 days, accompanied by high humidity levels at 84%. In stark contrast, August offers a warm climate with minimum temperatures of 16°C (62°F) and maximum temperatures soaring up to 35°C (96°F), averaging around 25°C (78°F). Rainfall is minimal, with only 21 mm (0.8 in) over just 5 days, and humidity is notably lower at 53%. For more detailed information about weather patterns, you can refer to San Clemente weather in August.
The weather in December contrasts sharply with that of September. In December, temperatures range from a chilly 0°C (32°F) at night to a mild 17°C (63°F) during the day, with an average of 9°C (49°F). Precipitation is quite high at 187 mm (7.4 in) over 13 days, accompanied by a humidity level of 84%. In contrast, September boasts much warmer temperatures, with minimum averages of 10°C (50°F) and maximum highs of 32°C (90°F), leading to an average temperature of 21°C (71°F). Rainfall is considerably lower in September, amounting to 100 mm (3.9 in) over just 8 days and featuring a more comfortable humidity level of 65%. For more details, you can check San Clemente weather in September.
In comparing the weather between December and October, December tends to be much cooler with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 17°C (63°F), while October boasts milder conditions, featuring a minimum of 8°C (46°F) and a maximum of 27°C (80°F). Additionally, December experiences significantly higher precipitation levels, with 187 mm (7.4 in) over 13 days, compared to October’s 105 mm (4.1 in) across just 9 days. The humidity also rises in December, averaging 84%, compared to October's 75%. For further details on the climate specifics, check out San Clemente weather in October.
In comparing the weather of December to that of November, December tends to be slightly cooler and wetter. The average temperature in December ranges from a minimum of 0°C (32°F) to a maximum of 17°C (63°F), while November enjoys a milder average, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 21°C (71°F). Additionally, December sees higher precipitation levels, totaling 187 mm (7.4 in) over 13 days, compared to November's 278 mm (10.9 in) across 16 days. Humidity levels remain relatively high in both months, with December at 84% and November slightly lower at 81%. For a closer look at the specifics, you can check out San Clemente weather in November.
As December settles in, San Clemente experiences a distinct shift in weather compared to other months. The chill in the air marks the transition to winter, with average temperatures dropping and a significant increase in precipitation—about 13 days of rain contribute to the overall dampness and humidity rising to 84%. This weather creates a cozy atmosphere, perfect for embracing the festive spirit of the season. For those interested in exploring more about the climatic nuances throughout the year, check out San Clemente Climate.