Last updated: March 24, 2025
January in Castel Gandolfo, Italy, offers a charming winter escape characterized by cool temperatures and notable humidity. With maximum daytime highs reaching 18°C (64°F) and average lows around 7°C (44°F), visitors can experience a crisp yet refreshing climate. However, nighttime can be quite frosty, dipping to a minimum of -6°C (21°F). Rainfall is frequent, with approximately 73 mm (2.9 in) of precipitation spread across 9 days, contributing to the region's lush landscape. An average humidity of 84% adds to the overall winter atmosphere, painting a picturesque scene perfect for exploring this historical gem.
January in Castel Gandolfo, Italy presents a chilly canvas, where temperatures dip to a minimum of -6°C (21°F) but can rise to a pleasant maximum of 18°C (64°F), creating a notable average of 7°C (44°F). As the month progresses, the crisp air hints at the early stirrings of spring, with temperatures gradually transitioning to warmer days. This trend continues into February and March, where the coldest nighttime lows drop further, with February hitting -12°C (11°F). However, as winter loosens its grip, March begins to flirt with warmer afternoons, showcasing the beauty of daylight as average temperatures inch up to 10°C (51°F). Notably, the variation between day and night remains significant, with the maximum temperatures hinting at the promise of spring ahead, setting the stage for a gradual warming trend as the year unfolds.
In January, Castel Gandolfo experiences an average precipitation of 73 mm (2.9 in) over approximately 9 rainy days, marking the beginning of the year with a mild yet noticeable wetness. This trend of consistent rainfall continues into February, where precipitation increases to 92 mm (3.6 in) with the same number of rainy days, hinting at a relatively damp winter. As spring approaches, March sees a slight uptick in both rainfall and wet days, with totals reaching 94 mm (3.7 in) across 10 days. The transition to April brings a decrease in precipitation to 75 mm (2.9 in), but the number of rainy days climbs to 11, highlighting a potential shift towards more variable weather patterns. Overall, January sets the stage for a season characterized by a steady rhythm of rainfall that seems to ease into lighter showers as spring approaches.
January in Castel Gandolfo, Italy, typically experiences high humidity levels, reaching around 84%, which sets the tone for the winter season. As we transition into February, there’s a noticeable dip to 76%, hinting at the gradual shift towards dryer conditions. By March, humidity decreases further to 69%, reflecting the onset of spring as warmer temperatures begin to take hold. The trend continues into April and May, where levels stabilize around 70%, creating a comfortable atmosphere. However, the summer months bring a refreshing change, with humidity dropping to a more pleasant 57% in July and 53% in August. As fall arrives, humidity creeps up again, reaching 65% in September and peaking at 84% once more in December. Overall, Castel Gandolfo showcases a dynamic rhythm of humidity throughout the year, highlighting its distinct seasonal shifts.
In January, Castel Gandolfo experiences a moderate UV Index of 3, which means that while sun exposure can be enjoyed, it's important to be mindful—especially since the burn time is approximately 30 minutes. As the months progress into February and March, the UV Index rises slightly to 4 and 5, respectively, maintaining the moderate exposure category but highlighting a gradual increase in intensity. This upward trend continues into April with a jump to 7, transitioning into a high exposure category where the burn time decreases to 25 minutes. Come May, the sun becomes increasingly fierce, reflecting a very high UV Index of 9, demanding only 15 minutes of unprotected exposure before the risk of burning escalates. This peak intensity carries on through the summer months, peaking at 10 in June and July, before tapering off slightly in August and September. By October, the UV Index lowers to 6, marking a return to high levels, and by December, it settles at a low 2, allowing for a more leisurely 45 minutes of sun exposure. Overall, the UV Index during January serves as a reminder of the intensity that gradually builds through the year—offering both beauty and caution in Castel Gandolfo. For more detailed insights, visit Castel Gandolfo UV Index.
UV Risk Categories
In Castel Gandolfo, Italy, the January sun promises a rejuvenating start to the year, casting its warm glow for 202 hours. As winter gives way to spring, the daylight steadily increases, with February enjoying 260 hours, setting the stage for a vibrant March that blossoms into 327 hours of sunshine. The trend continues through April and May, where the hours peak at a delightful 400 hours, inviting outdoor adventures and leisurely strolls along the scenic lakeside. When summer arrives, June and July bask in their own brilliance, reaching 415 and 430 hours, respectively, making this period the sunniest of the year. As the calendar turns toward fall, the sunlight begins to wane slightly, but the allure of Castel Gandolfo lingers with 398 hours in August and 338 hours in September. Ultimately, as the year draws to a close, the sunny spells diminish to 246 hours in November and 244 hours in December, reminding us that even as the days grow shorter, the warmth of January's sunshine is a cherished memory waiting to be revisited.
In January, Castel Gandolfo experiences a modest 35% chance of sunny weather, marking it as one of the cooler months in terms of sunlight. This statistic is notably lower compared to the following months, where the likelihood of sunshine begins to climb significantly—up to 73% by August. A gradual upward trend in sun exposure can be observed as winter eases into spring, with February seeing a jump to 57% and March reaching 58%. By late spring and into summer, the region basks in abundant sunshine, particularly in the peak months of July and August. Overall, while January may not be the sunniest time in Castel Gandolfo, the promise of brighter days is just around the corner.
In January, Castel Gandolfo basks in just 9 hours of daylight, setting a tranquil mood as winter lingers. This gradually increases to 10 hours in February and 11 hours in March, signaling the approach of spring and a burgeoning vibrancy in the surroundings. By April, daylight stretches to 13 hours, as the days grow longer and nature begins to awaken. The warmth continues into May and June, where daylight peaks at an inviting 15 hours, perfect for enjoying the stunning landscapes. As summer wanes, daylight starts to recede, falling to 14 hours in July and 13 hours in August. By September, it settles at 12 hours, ushering in the cozy, reflective autumn months. The trend continues downward into October and November, both featuring 9 hours of daylight once more, creating a gentle transition back to the stillness of winter by December. This cycle of light elegantly highlights the changing seasons in this picturesque Italian town.
In January, Castel Gandolfo experiences an average wind speed of 2.7 m/s (6 mph), the highest for the year, creating a brisk atmosphere that invigorates the winter landscape. As the months progress, wind speed gradually declines, reaching a low of 1.7 m/s (4 mph) in September, suggesting that the gentle breezes are often more subdued during the late summer. The seasonal variability indicates a calming trend, with wind speeds typically hovering around 2.0 to 2.4 m/s (5 mph) from late spring to early winter. Notably, June stands out with its mildest winds at 1.8 m/s (4 mph), setting the stage for tranquil summer days, while the transition into autumn brings a subtle increase in wind speeds once more. Overall, the pattern reflects a harmonious interplay between gentle breezes and the serene charm of Castel Gandolfo's natural beauty throughout the year.
The weather in Castel Gandolfo 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 Gandolfo and find detailed weather information for every month.
January and February exhibit notable differences in weather patterns. In January, temperatures range from a low of -6°C (21°F) to a high of 18°C (64°F), with an average temperature of 7°C (44°F). The month experiences 73 mm (2.9 in) of precipitation over 9 days, accompanied by high humidity at 84%. In contrast, February sees slightly colder minimum temperatures at -12°C (11°F) but an increase in the average temperature to 9°C (48°F) and a maximum of 20°C (68°F). Precipitation increases to 92 mm (3.6 in), also over 9 days, while humidity drops to a more comfortable 76%. For more details on February weather, you can visit Castel Gandolfo weather in February.
In January, the weather tends to be quite chilly, with temperatures ranging from a minimum of -6°C (21°F) to an average of 7°C (44°F) and reaching a maximum of 18°C (64°F). This month experiences relatively high humidity at 84% and sees 73 mm (2.9 in) of precipitation over about 9 days. In contrast, March offers a noticeable warming trend, with temperatures ranging from -11°C (12°F) at their lowest up to an average of 10°C (51°F) and a maximum of 22°C (72°F). Despite having a slightly higher total precipitation of 94 mm (3.7 in) spread over 10 days, March enjoys lower humidity levels at 69%. For more detailed information, you can check out the Castel Gandolfo weather in March.
January and April exhibit notable differences in weather patterns. In January, temperatures typically range from a chilly -6°C (21°F) to a milder 18°C (64°F), with an average temperature of 7°C (44°F). The month experiences around 73 mm (2.9 in) of precipitation over approximately 9 days, accompanied by high humidity levels averaging 84%. In contrast, April sees a more moderate temperature range, with minimums at 0°C (33°F) and maximums reaching 27°C (80°F), resulting in an average of 13°C (56°F). Precipitation slightly increases to 75 mm (2.9 in) over about 11 days, but humidity drops to 70%. For a more detailed look at the weather, check out Castel Gandolfo weather in April.
The weather in January is typically much colder than in May, with January's average temperature around 7°C (44°F) compared to May's warmer average of 18°C (64°F). In January, temperatures can dip as low as -6°C (21°F), while May can see highs reaching up to 33°C (92°F). Additionally, January experiences higher humidity at 84% and receives about 73 mm (2.9 in) of precipitation over 9 days, whereas May has a slightly lower humidity of 70% and more rainfall at 89 mm (3.5 in) over 12 days. For a more detailed perspective on May's weather, you can check Castel Gandolfo weather in May.
In January, the weather is quite chilly, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 18°C (64°F), and an average temperature of 7°C (44°F). This month experiences relatively high humidity at 84% and receives about 73 mm (2.9 in) of precipitation over 9 days. In contrast, June brings much warmer conditions, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 34°C (94°F), and an average of 22°C (72°F). The precipitation decreases to 47 mm (1.9 in) over 7 days, and the humidity drops to 61%. For more detailed information, you can visit Castel Gandolfo weather in June.
The weather in January is markedly colder than in July, with temperatures ranging from a chilly min of -6°C (21°F) to a max of 18°C (64°F), and an average of 7°C (44°F). This month also experiences higher humidity at 84% and significant precipitation, totaling 73 mm (2.9 in) over about 9 days. In stark contrast, July boasts much warmer temperatures that range from a minimum of 16°C (61°F) to a scorching maximum of 36°C (96°F), with an average temperature of 25°C (78°F). Additionally, precipitation is lower in July, at just 31 mm (1.2 in) across only 4 days, and humidity drops to a more comfortable 57%. To explore more about the weather specifics in July, refer to this link: Castel Gandolfo weather in July.
January and August present strikingly contrasting weather patterns. January features chilly temperatures with a minimum of -6°C (21°F) and an average high of 18°C (64°F), while August enjoys much warmer conditions, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 37°C (99°F). Additionally, January has significantly higher precipitation at 73 mm (2.9 in) over 9 days, compared to August's much drier climate, receiving only 28 mm (1.1 in) over 7 days. Humidity is also notably higher in January at 84%, while August experiences a more comfortable 53% humidity level. For a closer look at August weather, check out Castel Gandolfo weather in August.
In January, temperatures in Castel Gandolfo range from a chilly -6°C (21°F) at night to a mild 18°C (64°F) during the day, with an average of 7°C (44°F). The month sees significant precipitation, totaling 73 mm (2.9 in) over about 9 days, and humidity levels are quite high at 84%. In contrast, September warms up considerably, offering a minimum temperature of 8°C (47°F) and a maximum that can reach 32°C (90°F), with an average temperature of 21°C (70°F). Precipitation increases slightly to 106 mm (4.2 in) over more days, totaling about 10, but the humidity drops to a more comfortable 65%. For more details on weather trends, you can check Castel Gandolfo weather in September.
In January, the weather is notably colder, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 18°C (64°F), and an average temperature of 7°C (44°F). The month experiences 73 mm (2.9 in) of precipitation over about 9 days, accompanied by high humidity levels at 84%. In contrast, October brings a milder climate, with temperatures varying from a minimum of 6°C (44°F) to a maximum of 28°C (83°F), and an average temperature of 16°C (62°F). This month sees increased rainfall, with 106 mm (4.2 in) spread across 10 days, but lower overall humidity at 75%. For a detailed look at weather conditions during this time, check out Castel Gandolfo weather in October.
In January, temperatures range from a chilly minimum of -6°C (21°F) to a mild maximum of 18°C (64°F), with an average of 7°C (44°F). The month sees about 73 mm (2.9 in) of precipitation over 9 days, and humidity levels are relatively high at 84%. In contrast, November features milder temperatures, starting at a minimum of -1°C (31°F) and reaching up to 23°C (73°F), with an average of 13°C (55°F). However, November is wetter, accumulating 191 mm (7.5 in) of rain over 16 days and slightly lower humidity at 81%. For more details on November weather conditions, check Castel Gandolfo weather in November.
In comparing the weather conditions of January and December, we see some notable differences. January exhibits slightly lower minimum temperatures, ranging from -6°C (21°F) to a maximum of 18°C (64°F), with an average of 7°C (44°F). The month also sees a total precipitation of 73 mm (2.9 in) over about 9 days, maintaining a consistent humidity level of 84%. In contrast, December's temperatures are a bit milder, with minimums around -3°C (28°F) and the same maximum of 18°C (64°F), resulting in an average temperature of 8°C (47°F). However, December experiences significantly higher rainfall, totaling 170 mm (6.7 in) across 13 days. For more details about the weather variations, you can refer to Castel Gandolfo weather in December.
January in Castel Gandolfo presents a stark contrast to the warmer months, with cooler temperatures and increased precipitation. This month is characterized by chilly days where the average temperature hovers around 7°C, while nights can dip below freezing, creating a crisp atmosphere perfect for winter strolls. Unlike the sunnier summer months, January experiences about nine days of rainfall, contributing to a humidity level that soars around 84%. While the picturesque landscapes may be cloaked in a serene winter ambiance, it's a refreshing time to explore the town's charm without the crowds. For a more detailed comparison and insights on weather patterns throughout the year, visit Castel Gandolfo Climate.