Last updated: March 24, 2025
In January, Castel Sant'Angelo experiences a mix of chilly temperatures and damp conditions. With a maximum of 15°C (58°F) and an average low of 2°C (36°F), visitors should prepare for brisk days and cold nights, where temperatures can dip as low as -11°C (12°F). The month typically sees around 76 mm (3.0 in) of precipitation over 10 days, contributing to a humidity level of 85%. This weather creates a mysterious atmosphere around the historic site, perfect for curious travelers seeking to explore its enchanting beauty amidst the winter mist.
In January, Castel Sant'Angelo experiences a range of temperatures that reflect the chill of winter, with a minimum of -11°C (12°F) and a mild average of 2°C (36°F). As the month progresses, visitors can enjoy the occasional warm spell, peaking at a comfortable 15°C (58°F). While January enjoys the coldest temperatures of the year, the trend begins to shift slightly into February, where the minimum dips even lower to -18°C (-1°F) but balances out with an average rise to 4°C (40°F). This cold climate sets the stage for a gradual warming as spring approaches, with March introducing slightly higher averages. Overall, January offers a brisk yet invigorating experience, hinting at the warmer months just around the corner.
January in Castel Sant'Angelo experiences a moderate amount of precipitation, totaling 76 mm (3.0 in) over approximately 10 days. This sets the stage for a wet winter season, as the rainfall slightly increases in February to 85 mm (3.3 in). Notably, the trend intensifies in the following months; by March, precipitation surges to 101 mm (4.0 in), peaking in November with 148 mm (5.8 in). This pattern showcases a gradual escalation towards the middle of the year, with May recording the highest monthly total of 111 mm (4.4 in). As summer approaches, rainfall decreases to 28 mm (1.1 in) in July, marking a significant drop that continues until the wetter months return in the fall. This cyclical trend of precipitation illustrates the dynamic climate experienced in this historic Italian locale.
In January, Castel Sant'Angelo experiences a high humidity level of 85%, setting the tone for a damp winter. As the months unfold, humidity gradually decreases, dipping to 78% in February and continuing to decline through the spring, reaching 71% by both April and May. This trend reverses in the summer, where humidity bottoms out at 54% in August, providing a welcome reprieve during the warmer months. However, as autumn approaches, the moisture in the air begins to climb again, with levels rising to 86% in December, highlighting a cyclical pattern of high humidity during winter and early spring, followed by a drier summer. This shift creates a unique climate experience, rich in seasonal variation for both residents and visitors.
In January, Castel Sant'Angelo experiences a moderate UV Index of 3, indicating a minimal risk of harm from unprotected sun exposure, with a burn time of 30 minutes. As winter transitions to spring, the UV Index gradually increases, peaking at 10 in June and July, where the exposure risk becomes very high, cutting burn time down to just 15 minutes. This trend highlights the increasing intensity of UV radiation as the year progresses, culminating in the summer months when sun safety becomes paramount. Notably, the UV Index decreases again in the fall and winter, with values dropping to 2 in December, reflecting a seasonal ebb in solar strength. To stay informed about the UV Index throughout the year, visit Castel Sant'Angelo UV Index.
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January in Castel Sant'Angelo offers a gentle embrace of 194 hours of sunshine, setting the stage for the gradual increase in daylight that follows. As the calendar turns to February, the sun's presence grows, with an impressive rise to 246 hours, heralding the arrival of early spring. March continues this upward trend, basking in 316 hours, while April's 348 hours further awakens the city, enticing visitors to explore its historic charm. The sun truly shines in the early summer months, peaking in July with 431 hours, before the warmth begins to wane slightly in August with 397 hours. This rhythmic dance of daylight reveals a captivating pattern, where each month not only captivates the spirit with increasing sunshine but also hints at the changing seasons that beautifully define this enchanting Italian destination.
In January, the likelihood of sunny weather in Castel Sant'Angelo is relatively low at just 28%, marking it as one of the cloudiest months of the year. This trend of limited sunshine continues into February, where the potential for sunny days jumps significantly to 55%, offering a glimpse of brighter skies ahead. As spring approaches in March and April, the chances remain steady at around 55% and 39%, respectively, suggesting that daylight is gradually returning, albeit with some variability. The arrival of summer heralds a more consistent sunny disposition, peaking in July and August with remarkable probabilities of 66% and 68%. Overall, while January may feel quite dreary, the pattern of increasing sunlight throughout the year offers a promising outlook for those longing to enjoy the warm Italian sun.
In January, daylight graces Castel Sant'Angelo with 9 hours of sunlight, a time when the days are just beginning to lengthen. As the month transitions into February, daylight increases to 10 hours, heralding the gradual approach of spring. By March, the city enjoys 11 hours, as the air starts to warm and the vibrant colors of nature begin to awaken. April marks a significant leap to 13 hours, allowing more time for residents and visitors alike to explore the historic sites and picturesque views. The sun reaches its peak in June with 15 hours of daylight, creating the perfect backdrop for cultural festivities. However, by July and August, daylight slightly decreases to 14 and 13 hours, respectively, as summer slowly hands the reins to autumn. As the year progresses into September, the days start to shorten again with 12 hours, continuing this downward trend into October and November, where daylight dwindles back to 9 hours. Finally, December closes the year much like January began, with another 9-hour duration of daylight, marking a full circle through the seasons in this enchanting Italian locale.
As January wraps Castel Sant'Angelo in a cool embrace, the average wind speed rises to 2.0 m/s (5 mph), showcasing a brisk but manageable breeze that often accompanies the winter months. This gentle wind is part of a seasonal rhythm, as February sees a slight dip to 1.8 m/s (4 mph), creating a calm before the spring's arrival. Moving into March and April, the wind remains stable at 1.9 m/s and 1.8 m/s, respectively, suggesting an unyielding tranquility in the historic sky. Each month reflects a seasonal ebb and flow; with the winds often fluctuating but seldom exceeding 2.1 m/s (5 mph) during the warmer months, the overall pattern demonstrates Castel Sant'Angelo's mild climatic caress throughout winter and into early spring. As the year progresses, July and May mirror January in speed, highlighting a consistent lightness that defines the spirit of the area.
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 January'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.
January and February present notable differences in weather conditions. January typically experiences a milder range of temperatures, with a minimum of -11°C (12°F) and an average of 2°C (36°F), peaking at 15°C (58°F). Its precipitation averages 76 mm (3.0 in) over about 10 days, accompanied by high humidity at 85%. In contrast, February sees colder temperatures, with minimums dropping to -18°C (-1°F), though the average rises slightly to 4°C (40°F) and the maximum reaches 18°C (64°F). The month also brings a bit more precipitation, totaling 85 mm (3.3 in) over the same 10-day span, but with slightly lower humidity at 78%. For a more detailed outlook, you can check the Castel Sant'Angelo weather in February.
In January, the weather experiences a notable chill, with temperatures ranging from a minimum of -11°C (12°F) to a maximum of 15°C (58°F) and an average of 2°C (36°F). The month sees 76 mm of precipitation over about 10 days, and the humidity remains quite high at 85%. In contrast, March tends to be slightly milder, with temperatures varying from a minimum of -18°C (-1°F) to a maximum of 18°C (65°F) and an average of 6°C (42°F). Although March experiences more precipitation at 101 mm over 11 days, the humidity drops to a more moderate 69%. For further details on March weather, you can visit Castel Sant'Angelo weather in March.
In January, the weather is characterized by colder temperatures, with a minimum of -11°C (12°F) and an average of 2°C (36°F), while max temperatures reach up to 15°C (58°F). Precipitation occurs about 10 days throughout the month, accumulating to 76 mm (3.0 in) and coupled with high humidity at 85%. In contrast, April sees a significant rise in temperatures, with a minimum of -4°C (25°F) and an average temperature of 9°C (49°F), climbing to a maximum of 22°C (72°F). Although April experiences slightly more precipitation at 84 mm (3.3 in) over 13 days, the humidity drops to 71%, making the weather feel more comfortable. For more detailed insights into the weather patterns, you can check Castel Sant'Angelo weather in April.
January and May present a striking contrast in weather conditions. January experiences colder temperatures, with a minimum of -11°C (12°F) and an average of 2°C (36°F), while May warms up significantly, featuring a minimum of 0°C (32°F) and an average of 13°C (56°F). The maximum temperature in January reaches 15°C (58°F), whereas in May, it soars to 26°C (79°F), perfect for outdoor activities. Precipitation is more frequent in May, with rainfall on 15 days totaling 111 mm (4.4 in), compared to January’s 76 mm (3.0 in) over 10 days. Additionally, humidity levels are higher in January at 85%, dropping to a more comfortable 71% in May. For more details on the delightful weather in May, check out Castel Sant'Angelo weather in May.
January and June present starkly contrasting weather conditions. In January, temperatures can dip as low as -11°C (12°F), with an average temperature of 2°C (36°F) and peaks reaching only 15°C (58°F). The month often experiences significant precipitation, totaling 76 mm (3.0 in) over about 10 days, accompanied by high humidity levels at 85%. In comparison, June brings milder and warmer weather, with minimum temperatures of 6°C (43°F) and an average of 18°C (65°F), soaring to a maximum of 31°C (89°F). Precipitation decreases to 53 mm (2.1 in) over just 8 days, and humidity drops to a more comfortable 63%. For those interested in conditions specific to this month, you can find additional details here: Castel Sant'Angelo weather in June.
January and July present a striking contrast in weather conditions. In January, temperatures range from a chilly -11°C (12°F) to a milder 15°C (58°F), with an average of 2°C (36°F). This month experiences substantial precipitation, totaling 76 mm (3.0 in) over about 10 days, and humidity levels are high at 85%. In contrast, July boasts much warmer temperatures, with a minimum of 11°C (52°F) and a maximum of 32°C (90°F), averaging around 21°C (70°F). Precipitation is significantly lower at 28 mm (1.1 in) over just 5 days, and humidity drops to a more comfortable 59%. For those interested in more detailed weather patterns during this month, Castel Sant'Angelo weather in July provides further insights.
The weather in January and August presents a stark contrast in temperature and conditions. In January, temperatures range from a chilly -11°C (12°F) to a maximum of 15°C (58°F), with an average of just 2°C (36°F). The month experiences significant precipitation, totaling 76 mm (3.0 in) over about 10 days, accompanied by high humidity levels at 85%. In contrast, August boasts milder and warmer weather, with temperatures ranging from a minimum of 10°C (50°F) to a sweltering maximum of 36°C (96°F) and an average of 22°C (72°F). Precipitation is lower in August, at 47 mm (1.9 in) over 8 days, and the humidity drops to a more comfortable 54%. For a closer look at the August weather specifics, check out Castel Sant'Angelo weather in August.
January and September showcase distinct contrasts in weather patterns. In January, temperatures range from a chilling minimum of -11°C (12°F) to a mild maximum of 15°C (58°F), with an average of just 2°C (36°F). The month sees significant precipitation of 76 mm (3.0 in) over 10 days, coupled with high humidity at 85%. In contrast, September offers a much warmer climate, with temperatures fluctuating between a minimum of 4°C (40°F) and a maximum of 29°C (84°F), averaging around 17°C (62°F). Although September experiences slightly higher precipitation at 91 mm (3.6 in) over the same number of days, humidity drops to a more comfortable 67%. For those interested in more specific details, Castel Sant'Angelo weather in September provides additional insights.
January and October present starkly contrasting weather conditions. In January, temperatures can drop as low as -11°C (12°F), with an average of 2°C (36°F) and a maximum of 15°C (58°F). The month sees significant humidity at 85% and experiences approximately 76 mm (3.0 in) of precipitation over around 10 days. In comparison, October enjoys milder conditions, with temperatures ranging from a minimum of 3°C (37°F) to a comfortable average of 12°C (54°F) and highs reaching 23°C (73°F). The humidity is lower at 78%, and precipitation remains similar at 76 mm (3.0 in), but over just 9 days. For more details on October weather specifically, you can visit Castel Sant'Angelo weather in October.
January and November present distinctly different weather patterns. In January, temperatures can drop as low as -11°C (12°F), with an average of 2°C (36°F) and highs reaching 15°C (58°F). This month experiences significant cold, along with 76 mm (3.0 in) of precipitation over about 10 days, and the humidity hovers around 85%. In contrast, November offers milder temperatures, with a minimum of -3°C (26°F), an average of 8°C (47°F), and maximums of 18°C (65°F). It also sees higher precipitation levels at 148 mm (5.8 in) spread over 15 days, while maintaining a slightly lower humidity at 84%. For more details on November conditions, visit Castel Sant'Angelo weather in November.
In January, the weather tends to be a bit colder compared to December, with average temperatures ranging from a minimum of -11°C (12°F) to a maximum of 15°C (58°F). In contrast, December sees milder conditions, with temperatures varying from -8°C (17°F) to a maximum of 14°C (57°F). Additionally, January experiences slightly less precipitation, totaling 76 mm (3.0 in) over approximately 10 days, whereas December is much wetter, with 155 mm (6.1 in) of rainfall spread across 12 days. Both months have high humidity levels, hovering around 85% in January and 86% in December. For more details on December weather in this region, you can refer to Castel Sant'Angelo weather in December.
As January unfolds at Castel Sant'Angelo, visitors can expect a stark contrast to the milder months of spring and summer. With temperatures typically resting around a nippy 2°C and peaking at 15°C, the winter chill can often feel quite brisk, especially compared to the warmth of the following seasons. January also brings noteworthy precipitation, with rain gracing about a third of the month, resulting in a rather humid atmosphere that can catch newcomers off guard. If you're planning a visit during this season, be sure to dress warmly and embrace the unique winter charm of this historic site. Discover more about the captivating climate throughout the year via Castel Sant'Angelo Climate.