Last updated: March 24, 2025
Experience the enchanting charm of Castel Sant'Angelo in December, where the weather offers a crisp atmosphere perfect for exploring this historic site. With maximum temperatures reaching 14°C (57°F) and average lows dipping to a chilly 4°C (39°F), visitors should come prepared for the bite of winter. Occasional drops in temperature can plunge to -8°C (17°F), so layering up is essential. December sees about 155 mm (6.1 in) of precipitation over 12 days, creating a moody ambiance that enhances the castle's allure. Coupled with a high humidity level of 86%, the winter air adds a refreshing edge to your adventures, making every visit a memorable experience amidst the beauty and history of this timeless landmark.
As December settles in at Castel Sant'Angelo, Italy, temperatures begin to dip, heralding the arrival of winter. The month typically sees a minimum temperature of around -8°C (17°F), which gives a crisp bite to the air. Despite these chilly lows, the average temperature hovers around 4°C (39°F), providing some respite for those exploring the historic castle and its surroundings. Occasionally, the warmth of the sun can bring highs of 14°C (57°F), enticing visitors to stroll along the banks of the Tiber. This transitional month serves as a gentle reminder that, while the cold is setting in, there are still mild days that invite exploration and deep appreciation for the beauty of Rome in winter.
December in Castel Sant'Angelo experiences a notable increase in precipitation, with an average of 155 mm (6.1 in) of rain falling across 12 days. This surge marks the climax of the wet season, following a significant November that recorded 148 mm (5.8 in) over 15 days. As temperatures cool and winter approaches, the landscape transforms into a tapestry of lush greens, nourished by the late-year rains. The frequency of rainy days also highlights a shift from the drier summer months, where July saw only 28 mm (1.1 in) over just 5 days. This pattern underscores the importance of December's precipitation in replenishing the region's water resources, setting the stage for a vibrant spring.
In December, Castel Sant'Angelo experiences a notable rise in humidity, reaching 86%, which marks the highest level of the year. This increase follows a seasonal pattern where humidity tends to elevate towards the end of the year, with November also seeing a high of 84%. As the temperature cools, the air holds more moisture, making December one of the wettest months. This trend contrasts sharply with the drier summer months; for instance, July and August boast considerably lower humidity levels of 59% and 54%, respectively. Thus, as the year draws to a close, the bustling city feels the embrace of moisture-laden air, setting a serene backdrop against the historical architecture of Rome.
As December arrives in Castel Sant'Angelo, Italy, the UV Index dips to a mild 2, indicating a low exposure category that allows for a generous burn time of 45 minutes. This marks a notable decline from the intense summer months when values soared to 10, classified as very high, with burn times plummeting to just 15 minutes. Throughout the year, the UV Index showcases a clear trend: as spring transitions into summer, the risk of overexposure rises significantly, prompting caution for sun-seekers. However, December's gentle rays provide a welcome reprieve, perfect for leisurely outdoor strolls without the usual concern for sunburn. For more details on UV levels throughout the year, visit Castel Sant'Angelo UV Index.
UV Risk Categories
As the year draws to a close, December in Castel Sant'Angelo bathes in a gentle 233 hours of sunshine, a soft glow that signals the impending transition into winter. While the month reflects a modest decline from the vibrant days of June and July, which bask in over 400 hours of radiant light, it still offers a pleasant reprieve from the gloomier months that precede it. Notably, November presents a sharper drop to 236 hours, but December remains steadfast in its daylight, reminding visitors of the charm that envelops this historic site during the quieter season. This gradual ebb of sunlight serves as an invitation to explore the rich history and breathtaking views of the castle, all set against the backdrop of a softer Italian winter.
While December in Castel Sant'Angelo, Italy, experiences a 40% chance of sunny weather, this month tends to be one of the cloudier periods when compared to the summer months. This trend is evident as the sunniest months—**July and August—with likelihoods of 66% and 68% respectively, contrast sharply with December's gloomier forecast. Following November's low of 24%, December offers a slight improvement, though it still ranks lower than other months like February and March, both boasting a 55% chance of sunshine. As the year winds down, visitors can expect a mix of crisp winter days, with brief glimpses of sunshine breaking through the cloud cover.
As the year draws to a close, December in Castel Sant'Angelo, Italy, offers a daylight duration of just 9 hours, mirroring the shorter days of November. This pattern reflects the gradual decline in sunlight as autumn transitions into winter, with daylight peaking in the vibrant months of May and June at 14 to 15 hours. The trend illustrates the cyclical nature of light in this historic locale, where the length of days steadily increases from the early spring of March and reaches its zenith in the warmth of summer before tapering off. December's shortened daylight serves as a gentle reminder of the season’s quiet charm and the beauty that lies in darker, crisp days.
As December descends upon Castel Sant'Angelo, a gentle breeze begins to stir, with average wind speeds measuring 2.0 m/s (5 mph). This marks a slight increase from the calmer conditions of early winter, offering a refreshing contrast as the year draws to a close. Notably, the wind speeds of December mirror those of January and July, creating a sense of continuity amidst the seasonal changes. Throughout the year, wind speeds have fluctuated, peaking in May and July at 2.1 m/s, while dipping to their year’s lowest in September at 1.4 m/s. As visitors stroll the historic grounds, the cool December winds add a crispness to the air, enhancing the enchanting atmosphere of this iconic landmark.
The weather in Castel Sant'Angelo 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 Castel Sant'Angelo and find detailed weather information for every month.
December and January both present cold, wintery weather, but January tends to be slightly chillier overall. In December, temperatures range from a minimum of -8°C (17°F) to a maximum of 14°C (57°F), with an average of 4°C (39°F). The month experiences considerable precipitation, totaling 155 mm (6.1 in) over 12 days, along with high humidity at 86%. In contrast, January sees even cooler temperatures, with lows dipping to -11°C (12°F) and highs reaching 15°C (58°F), averaging around 2°C (36°F). Precipitation decreases to 76 mm (3.0 in) over 10 days, and humidity remains similar at 85%. For more specific details about January weather, you can check Castel Sant'Angelo weather in January.
In December, temperatures range from a brisk -8°C (17°F) to a mild 14°C (57°F), with an average of 4°C (39°F). The month experiences higher precipitation, totaling 155 mm (6.1 in) over approximately 12 days, and humidity levels are notably high at 86%. In contrast, February brings colder conditions, with minimum temperatures plummeting to -18°C (-1°F), while maximum temperatures reach up to 18°C (64°F), still averaging around 4°C (40°F). Precipitation decreases to 85 mm (3.3 in) across about 10 days, and humidity drops to 78%. For a closer look at February weather, visit Castel Sant'Angelo weather in February.
When comparing December and March weather, both months exhibit notable variations in temperature and precipitation. December sees temperatures ranging from a chilly minimum of -8°C (17°F) to a milder maximum of 14°C (57°F), with an average of 4°C (39°F). In contrast, March experiences a slightly warmer temperature range, with a minimum of -18°C (-1°F) and a maximum of 18°C (65°F), averaging 6°C (42°F). Precipitation is more frequent in December, totaling 155 mm (6.1 in) over 12 days, while March receives 101 mm (4.0 in) across 11 days. Humidity levels also differ significantly, with December's humidity at a high 86%, compared to March's more comfortable 69%. For those interested in specific weather conditions, you can find additional information here: Castel Sant'Angelo weather in March.
In December, the weather is significantly colder, with temperatures ranging from a frigid -8°C (17°F) to a mild 14°C (57°F) and an average of 4°C (39°F). The month experiences considerable precipitation, totaling 155 mm (6.1 in) over approximately 12 days, along with high humidity at 86%. In contrast, April offers a much milder climate, with temperatures varying from -4°C (25°F) to a pleasant 22°C (72°F) and an average of 9°C (49°F). While April sees slightly more days of precipitation at 13, the total rainfall is lower at 84 mm (3.3 in), accompanied by reduced humidity at 71%. For a detailed look at the weather in April, check out Castel Sant'Angelo weather in April.
In December, the weather is considerably colder, with temperatures ranging from a chilly -8°C (17°F) to a mild 14°C (57°F) and an average of 4°C (39°F). This month experiences significant humidity at 86% and sees about 155 mm (6.1 in) of precipitation over 12 days, creating a damp and frosty atmosphere. In contrast, May brings a much warmer climate with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 26°C (79°F), averaging 13°C (56°F). With lower humidity at 71% and only 111 mm (4.4 in) of precipitation across 15 days, May offers a more pleasant and inviting environment. For more details, check out the Castel Sant'Angelo weather in May.
December and June exhibit stark contrasts in weather patterns. In December, temperatures typically range from a chilly -8°C (17°F) at night to a mild 14°C (57°F) during the day, accompanied by significant precipitation reaching 155 mm (6.1 in) over about 12 days, coupled with high humidity levels of 86%. In contrast, June brings much warmer conditions, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 31°C (89°F) and an average of 18°C (65°F). The month sees considerably less rainfall at 53 mm (2.1 in) over just 8 days, accompanied by lower humidity at 63%. For a closer look at the pleasant June climate, visit Castel Sant'Angelo weather in June.
December and July present stark contrasts in weather conditions. In December, temperatures can drop to a chilly minimum of -8°C (17°F), with an average of 4°C (39°F) and a maximum reaching 14°C (57°F). This month also sees significant precipitation, averaging 155 mm (6.1 in) over 12 days, and a high humidity level of 86%. In contrast, July brings much warmer temperatures, with a minimum of 11°C (52°F) and averaging 21°C (70°F), peaking at 32°C (90°F). The summer month features far less precipitation, totaling only 28 mm (1.1 in) over 5 days and a more comfortable humidity of 59%. For more detailed information, you can visit Castel Sant'Angelo weather in July.
When comparing the weather in December and August, there is a stark contrast in temperatures and conditions. December experiences chilly temperatures, ranging from a minimum of -8°C (17°F) to a maximum of 14°C (57°F), with an average of about 4°C (39°F). This month also sees significant precipitation, totaling 155 mm (6.1 in) over approximately 12 days, accompanied by a high humidity level of 86%. In contrast, August boasts much warmer temperatures, with a minimum of 10°C (50°F) and a maximum reaching 36°C (96°F), averaging around 22°C (72°F). Precipitation in August is relatively low at 47 mm (1.9 in) over just 8 days, and the humidity is much more comfortable at 54%. For a closer look at what to expect during this summer month, you can check the details here: Castel Sant'Angelo weather in August.
In comparing December and September weather, one can see striking contrasts. December experiences much colder temperatures, with a minimum of -8°C (17°F) and an average temperature of 4°C (39°F), peaking at a maximum of 14°C (57°F). The month also brings significant precipitation, averaging 155 mm (6.1 in) over 12 days and high humidity levels at 86%. In contrast, September boasts milder temperatures that range from a minimum of 4°C (40°F) to a pleasant average of 17°C (62°F), reaching a maximum of 29°C (84°F). This month also receives less rainfall, totaling 91 mm (3.6 in) over about 10 days, with a lower humidity level of 67%. For a closer look at the weather specifics in September, you can refer to Castel Sant'Angelo weather in September.
December weather is significantly colder than October, with average temperatures ranging from a low of -8°C (17°F) to a peak of 14°C (57°F). In contrast, October enjoys milder conditions with temperatures varying from a minimum of 3°C (37°F) to a maximum of 23°C (73°F). Additionally, December experiences more precipitation, totaling 155 mm (6.1 in) over 12 days, compared to October's 76 mm (3.0 in) over 9 days. The humidity levels also increase in December, reaching 86%, while October has a more comfortable humidity of 78%. To learn more about October weather, you can visit Castel Sant'Angelo weather in October.
In comparing the weather of December and November, December typically presents colder conditions, with average temperatures ranging from a low of -8°C (17°F) to a high of 14°C (57°F), whereas November is milder, with temperatures between -3°C (26°F) and 18°C (65°F). Precipitation levels are somewhat similar, with December receiving 155 mm (6.1 in) over 12 days, compared to November's 148 mm (5.8 in) across 15 days. Additionally, December has a slightly higher humidity at 86%, compared to November's 84%. For a detailed look at November's weather, you can check out Castel Sant'Angelo weather in November.
As December approaches, Castel Sant'Angelo experiences a notable shift in weather, marked by cooler temperatures and increased precipitation compared to other months. With the average temperature dipping and the potential for occasional frost, visitors may find themselves wrapped in extra layers as they explore the majestic surroundings. The month also brings a higher frequency of rainy days, contributing to the overall dampness with humidity levels hovering around 86%. This blend of chilly air and moisture creates a unique atmosphere that adds a different charm to the historic site. For those planning a visit, it's essential to be prepared for these conditions and enjoy the enchanting allure of December at this iconic landmark. For more details on the weather patterns, check out Castel Sant'Angelo Climate.