Last updated: March 24, 2025
In December, Trevi, Italy experiences a charming yet brisk winter climate characterized by an average temperature of 5°C (42°F), with highs reaching 15°C (59°F) and occasional lows dipping to -6°C (22°F). This month is marked by significant precipitation, with 115 mm (4.5 in) of rain over approximately 11 days, creating a wet atmosphere particularly noticeable in the lush landscapes of the region. Combined with a high humidity level of 86%, visitors can expect a refreshing and invigorating experience, perfect for enjoying Trevi's scenic charm during the holiday season.
In December, Trevi, Italy experiences a crisp winter chill, with temperatures typically ranging from a minimum of -6°C (22°F) to a maximum of 15°C (59°F). The average temperature hovers around 5°C (42°F), signaling a significant drop as the year draws to a close. This month marks a noticeable transition from the milder autumn conditions of November, where temperatures were slightly warmer, reflecting the onset of true winter. The coldest nights can feel particularly brisk, inviting locals and visitors alike to bundle up as they enjoy the enchanting holiday ambiance throughout the historic town. With layers and warm beverages in tow, December in Trevi presents a charming, frosty backdrop that enhances the festive spirit.
In December, Trevi, Italy experiences the highest precipitation of the year, with 115 mm (4.5 in) of rain falling over an average of 11 days. This month marks a significant increase from November's 104 mm (4.1 in), highlighting a trend of escalating precipitation as winter settles in. The cooler temperatures encourage more frequent rainfall, contrasting sharply with the drier summer months, particularly July and August, which see as little as 32 mm (1.3 in) and 41 mm (1.6 in), respectively. As the year draws to a close, the landscape becomes lush and vibrant, showcasing the life-nourishing power of December's abundant showers.
In December, Trevi, Italy, experiences a notable rise in humidity, reaching 86%—the highest level in the year. This increase follows the cooler months of November and October, where humidity levels hovered around 84% and 78%, respectively. As the year draws to a close, the transition from the relatively dry summer months—where humidity dipped to a comfortable 54% in August—marks a distinct shift in the weather patterns. With the arrival of winter, Trevi's atmosphere becomes increasingly moist, adding a crispness to the air that envelops the historic town in a cozy embrace, highlighting the seasonal charm that draws visitors during this time of year.
In December, the UV Index in Trevi, Italy, drops back to a low level of 2, offering a welcome respite from the intense sun experienced in the previous summer months. This decrease aligns with the seasonal trend, following a peak of 10 in both June and July, where exposure was categorized as very high and the burn time minimized to just 15 minutes. As winter settles in, individuals can enjoy longer sun exposure with a burn time of 45 minutes, perfect for leisurely outdoor activities without the immediate concern of sunburn. The month of December provides a serene contrast to the intense summer UV levels and encourages safe sun practices as winter unfolds. For more detailed information, visit Trevi UV Index.
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December in Trevi, Italy, offers a gentle embrace of sunshine with 218 hours of daylight, concluding the year on a warm note. As the year unfolds, we see a delightful increase in sun hours, peaking in the summer months of June and July, which bask in around 417 to 430 hours. It's fascinating how winter light shifts, with December following November's 224 hours but still maintaining a cozy glow. The gradual descent from the vibrant spring of April and May, with their impressive 348 and 390 hours, to December's softer radiance illustrates the mesmerizing transition of seasons. Even in the heart of winter, Trevi's sunlight casts a breathtaking charm, inviting visitors to experience its serene beauty.
In Trevi, Italy, the sunshine probability in December stands at 41%, a promising yet modest chance as the year winds down. While this represents a dip from the vibrant summer months, it offers a glimpse of hope compared to the 25% likelihood seen in November. The transition from fall to winter reveals a gradual uptick in sunny days as December approaches, subtly hinting at potential brightness amidst the cooler temperatures. Though December may not boast the sun-soaked days characteristic of peak summer, the chance of enjoying a sunny spell invites optimism for those wishing to soak in the beauty of the Italian countryside during the festive season.
As the year comes to a close, December in Trevi, Italy, sees a return to the shorter daylight hours typical of winter, with just 9 hours of daylight. Following a gradual increase from the depths of winter in January, where daylight also spans 9 hours, the days have lengthened significantly from February's 10 hours to the sunlit revelry of June's 15 hours. However, as we transition back towards the winter months, daylight decreases again to the familiar early winter levels. This cyclical pattern highlights how Trevi experiences a harmonious rhythm of seasons, with each month offering a unique balance of light and shadow, embodying the charming essence of Italian winters.
As December settles over Trevi, Italy, the average wind speed measures a gentle 2.4 m/s (5 mph), reflecting a steady calm that characterizes the end of the year. This slight increase from the seasonal lows seen in autumn suggests a subtle push of winter's breath, yet remains consistent with the more moderate breezes of earlier months. The winds began to pick up momentum in spring, peaking in May at 2.8 m/s, but have since tapered off, creating a serene backdrop against which the charming landscape of Trevi can shine. As the year wraps up, these tranquil yet consistent breezes invite leisurely strolls through the historic streets, evoking a sense of peace amidst the holiday bustle.
The weather in Trevi 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 Trevi and find detailed weather information for every month.
December and January exhibit notable differences in weather conditions. December typically sees temperatures ranging from a minimum of -6°C (22°F) to a maximum of 15°C (59°F), with an average of 5°C (42°F). This month is characterized by higher precipitation, totaling 115 mm (4.5 in) over 11 days, accompanied by high humidity levels at 86%. In contrast, January experiences slightly colder temperatures, with a minimum of -9°C (16°F) and an average temperature of 3°C (39°F), while still reaching a maximum of 15°C (59°F). Precipitation decreases significantly to 54 mm (2.1 in) across 9 days, and the humidity remains relatively stable at 85%. For a more detailed overview of January weather, visit Trevi weather in January.
December and February exhibit notable differences in weather patterns. In December, temperatures typically range from a chilly minimum of -6°C (22°F) to a mild maximum of 15°C (59°F), with an average temperature of 5°C (42°F). This month sees higher precipitation levels at 115 mm (4.5 in) across 11 days, contributing to an overall humidity of 86%. In contrast, February experiences a minimum temperature of -14°C (7°F) and a maximum of 18°C (65°F), with an average temperature similar to December at 6°C (43°F). However, February has less precipitation, totaling 67 mm (2.6 in) over 9 days, and a lower humidity of 78%. For more specific insights, you can refer to the Trevi weather in February.
December and March present contrasting weather patterns, with December experiencing milder temperatures, where the averages range from a low of -6°C (22°F) to a high of 15°C (59°F) and a notable humidity of 86%. This month is characterized by significant precipitation, totaling 115 mm (4.5 in) over 11 days. In contrast, March sees cooler temperatures, with a minimum of -18°C (0°F) and a maximum of 20°C (68°F), while the average stands at 7°C (45°F). The precipitation in March is less, at 80 mm (3.2 in) over 9 days, and the humidity drops to 69%. For more detailed insights, you can check Trevi weather in March.
December and April present notably different weather conditions. In December, temperatures can drop as low as -6°C (22°F) but typically average around 5°C (42°F), with a maximum reaching 15°C (59°F). The month is characterized by high humidity at 86% and considerable precipitation of 115 mm (4.5 in) over 11 days. In contrast, April brings milder temperatures, with a minimum of -4°C (25°F) and an average of 11°C (52°F), peaking at 24°C (75°F). The weather is drier, with only 66 mm (2.6 in) of rainfall across about 10 days and a reduction in humidity to 71%. For those interested in further details, you can check out Trevi weather in April.
December and May present contrasting weather conditions. December experiences colder temperatures, with averages around 5°C (42°F) and nighttime lows plummeting to -6°C (22°F). The month is marked by higher humidity at 86% and significant precipitation, totaling 115 mm (4.5 in) over approximately 11 days. In contrast, May boasts a more temperate climate, characterized by an average temperature of 15°C (60°F) and daytime highs reaching up to 29°C (84°F). Although May has slightly more rainy days, with 14 days of precipitation, it sees less overall rainfall at 89 mm (3.5 in) and a lower humidity level of 71%. For more insights on May weather, visit Trevi weather in May.
In December, the weather is characterized by chilly temperatures, with a minimum of -6°C (22°F) and an average of around 5°C (42°F), peaking at 15°C (59°F). This month sees significant precipitation, averaging 115 mm (4.5 inches) over 11 days and maintaining a high humidity level of 86%. In contrast, June offers a much milder climate, where temperatures range from a minimum of 6°C (44°F) to a comfortable average of 20°C (69°F), reaching maximums of 34°C (93°F). The month experiences less precipitation, with only 39 mm (1.5 inches) over just 6 days, and a considerably lower humidity of 63%. For more details on the climate, you can check Trevi weather in June.
In December, the weather is notably colder, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 15°C (59°F), and an average of 5°C (42°F). This month also experiences significant precipitation, with 115 mm (4.5 in) falling over 11 days, accompanied by a high humidity level of 86%. In contrast, July boasts much warmer temperatures, with a minimum of 12°C (53°F), an average of 23°C (74°F), and a peak of 35°C (96°F). Precipitation is scarce in July, totaling just 32 mm (1.3 in) over 5 days and lower humidity at 59%. For a detailed look at July weather, check out Trevi weather in July.
When comparing the weather in December and August, the differences are striking. December experiences much colder temperatures, with a minimum of -6°C (22°F) and an average of 5°C (42°F), while August boasts a much warmer climate, with a minimum of 9°C (49°F) and an average reaching 24°C (75°F). Additionally, December is notably wetter, receiving 115 mm (4.5 in) of precipitation over 11 days, compared to August's lighter rainfall of 41 mm (1.6 in) in just 8 days. Humidity levels also differ significantly, with December at a high 86%, whereas August maintains a much drier atmosphere at 54%. For a closer look at the conditions you can expect in August, visit Trevi weather in August.
In December, temperatures can drop significantly, with minimums reaching as low as -6°C (22°F) and average highs around 5°C (42°F). The month also experiences higher precipitation, totaling 115 mm (4.5 in) over approximately 11 days, accompanied by a high humidity level of 86%. In contrast, September boasts much milder conditions, with minimum temperatures around 5°C (42°F) and average highs soaring to 18°C (65°F), hitting a maximum of 31°C (88°F). Precipitation is lower in September, at 76 mm (3.0 in) over 8 days, and humidity is also more comfortable at 67%. For more details, you can check out this link: Trevi weather in September.
December weather is typically much colder and wetter compared to October. The average temperature in December hovers around 5°C (42°F), with nighttime lows dropping to -6°C (22°F), while October enjoys a milder average of 14°C (57°F) and maximum temperatures reaching up to 25°C (78°F). Additionally, December sees more precipitation, totaling 115 mm (4.5 inches) over 11 days, compared to October's 54 mm (2.1 inches) and 7 days of rain. The humidity in December is also higher at 86%, compared to October's 78%. For more specific insights into October weather, you can check this link: Trevi weather in October.
When comparing the weather in December to that of November, December tends to be colder overall, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 15°C (59°F), while November sees slightly milder temperatures, with a minimum of -3°C (27°F) and a maximum of 18°C (65°F). Additionally, December experiences more precipitation, totaling 115 mm (4.5 in) over 11 days, compared to November's 104 mm (4.1 in) over 13 days. Humidity levels are also slightly higher in December at 86%, compared to November's 84%. For a closer look at November's climate specifics, you can refer to Trevi weather in November.
As December settles over Trevi, its weather takes on a distinctly colder and wetter character compared to the milder months that precede it. With average temperatures hovering around 5°C (42°F) and nighttime lows dipping to -6°C (22°F), the chill is palpable. This time of year also brings increased precipitation, with 115 mm (4.5 in) falling over 11 days—a stark contrast to the drier conditions earlier in the season. The 86% humidity adds to the crispness in the air, creating a cozy yet brisk ambiance perfect for enjoying the holiday season. For more detailed insights into weather patterns throughout the year, check out Trevi Climate.