Last updated: March 24, 2025
In January, Pompei, Italy experiences a blend of cool temperatures and considerable rainfall, making it a unique winter destination. The maximum temperature reaches a pleasant 18°C (64°F), while the average hovers around a crisp 9°C (49°F), dipping to a chilly minimum of -2°C (29°F) at times. The city receives 114 mm (4.5 in) of precipitation over 11 days, resulting in a notably humid environment with an average humidity of 84%. Visitors should prepare for both cool days and the likelihood of rain, embracing the rich history and stunning sites of this iconic location despite the winter weather.
January in Pompei, Italy, ushers in a refreshing chill, with temperatures ranging from a brisk -2°C (29°F) at night to a mild 18°C (64°F) during the day. The average temperature hovers around 9°C (49°F), giving a hint of the gradually warming trend as winter gives way to spring. As the month progresses, one can expect a mix of crisp sunny days and cool evenings, which makes it an ideal time for exploring Pompeii’s ancient ruins without the crowds. This early winter climate provides a unique atmosphere, contrasting sharply with the sweltering summer heat that follows in the months ahead. As February approaches, a slight warming trend is evident, foreshadowing the pleasant Mediterranean climate that defines Pompei throughout the year.
In January, Pompei, Italy experiences a relatively wet start to the year, with 114 mm (4.5 in) of precipitation spread over approximately 11 days. This sets the stage for a damp winter, as the region transitions into February, where rainfall slightly increases to 125 mm (4.9 in) but with one day less of rain. The early months show a consistent trend of higher precipitation, notably peaking in November with a striking 258 mm (10.2 in), establishing late autumn as the wettest period. As spring approaches, the rainfall significantly decreases; by June, it plunges to a mere 27 mm (1.1 in) over just 4 days. This pattern of diminishing precipitation continues through the summer months, emphasizing Pompei's transition from a rainy winter to a more parched summer, completing the yearly cycle of climate variation in this historic city.
In January, Pompei, Italy, experiences a high humidity level of 84%, setting the stage for a winter that feels both cool and damp. As the year progresses, February sees a drop to 76%, hinting at the gradual transition towards spring. The trend continues into March with humidity decreasing further to 69%, reaching a more comfortable level by June, where it stabilizes at 61%. This shift from winter’s moisture to summer’s dryness peaks in August at a low of 53%, before humidity begins to rise again in the autumn months. By December, the humidity returns to 84%, bookending the year with the same heavy air that characterized January. Overall, Pompei's humidity showcases a seasonal rhythm: high in winter and summer, with a sweet spot of comfort during the spring and early summer months.
In January, Pompei, Italy experiences a moderate UV Index of 3, where the typical burn time is around 30 minutes. As the months progress into February, the UV Index rises slightly to 4, maintaining the same exposure category and burn time. The transition to March marks a significant increase, with the UV Index reaching 6, categorized as high, reducing the burn time to 25 minutes. This upward trend continues through April with an even higher UV Index of 7. Instances of very high UV indexes peak in May and June, where residents and visitors alike must be cautious with only 15 minutes of safe exposure time. Notably, the UV Index remains at 10 in both July and August, before gradually declining through the fall months. By November, it drops back to a moderate level of 4 before concluding the year in December with a low exposure category and a generous burn time of 45 minutes. Overall, it's crucial for those enjoying Pompei's historical allure to stay mindful of these UV changes throughout the year. For more detailed information, check the Pompei UV Index.
UV Risk Categories
In January, Pompei enjoys 191 hours of sunshine, marking the beginning of a bright year. As winter gives way to spring, February shows an increase to 252 hours, hinting at the warming days ahead. By March, the sun really starts to shine with 316 hours, inviting the first signs of vibrant life to the ancient ruins. April continues this sunny trend, boasting 351 hours, while May escalates to a delightful 393 hours, laying a perfect backdrop for outdoor exploration. With summer's arrival in June, sunshine peaks at 408 hours, culminating in a glorious July that offers the most radiant days at 424 hours. As the high summer soars, the sun gradually begins to retreat in August with 397 hours, continuing the gentle decline through September at 336 hours and October at 310 hours. Finally, as the year comes to a close, November and December see a modest drop to 241 and 237 hours respectively, yet the sun's warmth lingers in the memories of all who visit.
In January, Pompei, Italy, experiences a 34% chance of sunny weather, marking it as one of the grayer months of the year. As the seasons transition, the likelihood of sun steadily increases, with February seeing a significant jump to 54% and March soaring to 57%. April and May remain fairly moderate, hovering around 46% and 49%, respectively, before June ushers in a much sunnier disposition with a 61% chance. This trend culminates in the peak summer months of July and August, where sun-soaked days are nearly guaranteed, boasting chances of 78% and 79% respectively. As autumn approaches, the chance of sunshine begins to taper off again, suggesting that while January may not be the sunniest of months, the promise of brighter days is just around the corner.
In Pompei, Italy, the daylight duration begins its gradual ascent in January, offering about 9 hours of sunlight that gently signals the transition from winter to spring. As February unfolds, daylight stretches to 10 hours, bringing a hint of warmth and vitality. March continues this upward trend, basking in 11 hours of daylight, while April welcomes longer days with 13 hours, awakening the landscape in vibrant bloom. The peak of daylight is celebrated in June, reaching a luscious 15 hours, before the days start to wane. July maintains a generous 14 hours, but as summer fades into August, daylight gently recedes to 13 hours. This pattern persists through September and October, where the daylight dips to 12 and 11 hours, respectively. By November and December, Pompei finds itself back at 9 hours of daylight, completing the cycle with a return to winter's embrace. This rhythmic ebb and flow of sunlight not only shapes the seasons but also deeply influences the cultural rhythms of life in this historic city.
In Pompei, Italy, January greets visitors with a brisk average wind speed of 4.8 m/s (11 mph), making it the windiest month of the year. As the winter chill lingers, the winds playfully dance through the ancient ruins, creating a lively atmosphere. Following January, the winds gradually soften, with February and March experiencing a gentle drop to 3.6 m/s (8 mph), while April's breezes slightly ease further to 3.5 m/s (8 mph). The trend continues into the warmer months, with May seeing a drop to 2.9 m/s (6 mph), and this calming effect persists through the summer, reaching its lowest at 2.2 m/s (5 mph) in June. As the year progresses, the wind begins to pick up again in the fall, but still remains relatively mild compared to the start of the year. This gentle transition from winter's briskness to the summer's softness creates a unique charm, making Pompei a delightful destination for every season.
The weather in Pompei 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 Pompei and find detailed weather information for every month.
In January, the weather experiences a notable chill, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 18°C (64°F) and an average of 9°C (49°F). The humidity is quite high at 84%, coupled with significant precipitation totaling 114 mm (4.5 in) over 11 days. In contrast, February sees a slight increase in temperatures, with a minimum of 1°C (34°F) and an average of 10°C (51°F), alongside a maximum of 17°C (63°F). Although February experiences slightly more precipitation at 125 mm (4.9 in), it has one less rainy day, contributing to a lower humidity of 76%. For more details about February weather specifically, you can check Pompei weather in February.
January and March present distinct weather patterns, reflecting the transition from winter to spring. In January, temperatures range from a chilly minimum of -2°C (29°F) to a mild maximum of 18°C (64°F), with an average of 9°C (49°F). The month is relatively wet, receiving 114 mm (4.5 in) of precipitation over 11 days, coupled with high humidity at 84%. In contrast, March enjoys slightly warmer conditions, with temperatures ranging from -1°C (31°F) to 19°C (67°F), and an average of 11°C (52°F). Although precipitation decreases slightly to 102 mm (4.0 in) over the same number of days, humidity drops significantly to 69%, making March feel more comfortable as spring approaches. For more detailed insights, check out Pompei weather in March.
In January, temperatures range from a chilly -2°C (29°F) at their lowest to a maximum of 18°C (64°F), with an average temperature of about 9°C (49°F). The month sees significant precipitation at 114 mm (4.5 in) over approximately 11 days, coupled with high humidity at 84%. In contrast, April brings a noticeable warmth, with temperatures starting at a minimum of 5°C (41°F), averaging 14°C (57°F), and peaking at 25°C (78°F). Precipitation declines to 57 mm (2.2 in) over 10 days, and humidity drops to 70%, making for a more pleasant and drier atmosphere. For more detailed insights, you can check Pompei weather in April.
January and May present stark contrasts in weather. In January, temperatures range from a chilly minimum of -2°C (29°F) to a mild maximum of 18°C (64°F), with an average of 9°C (49°F). The month is quite humid at 84%, and there is significant precipitation, with 114 mm (4.5 in) falling over 11 days. In contrast, May brings warmer conditions with minimums of 9°C (48°F) and maximums reaching up to 27°C (81°F), culminating in a more pleasant average of 17°C (64°F). Precipitation decreases to 70 mm (2.7 in) over only 8 days, and humidity drops to 70%. For more insights into the delightful weather in May, check out Pompei weather in May.
The weather in January is considerably cooler and wetter compared to June. January experiences temperatures ranging from a chilly minimum of -2°C (29°F) to a maximum of 18°C (64°F), with an average of 9°C (49°F). This month also sees significant precipitation, totaling 114 mm (4.5 in) over 11 days and high humidity at 84%. In contrast, June offers a much warmer climate, with temperatures starting at a comfortable minimum of 14°C (57°F) and peaking at 30°C (86°F), averaging around 22°C (72°F). Precipitation drops to just 27 mm (1.1 in) over 4 days and humidity decreases to 61%, making June a more pleasant month overall. For more details, you can visit Pompei weather in June.
January and July present starkly contrasting weather conditions. In January, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable maximum of 18°C (64°F), with an average of 9°C (49°F). This month also sees significant precipitation, totaling 114 mm (4.5 in) over about 11 days, accompanied by high humidity levels of 84%. In contrast, July boasts much warmer temperatures, with a minimum of 19°C (67°F), an average of 25°C (77°F), and a maximum reaching 31°C (88°F). Precipitation in July is minimal, measuring only 16 mm (0.6 in) over just 2 days, and humidity decreases to 57%. This shift from the cold, wet January to the warm, dry July illustrates the dramatic seasonal changes experienced in this region. For more details, you can check Pompei weather in July.
January and August present strikingly different weather conditions. In January, temperatures range from a chilly -2°C (29°F) to a mild 18°C (64°F), with an average of 9°C (49°F). The month is also marked by considerable precipitation, totaling 114 mm (4.5 in) over 11 days, contributing to a high humidity level of 84%.
In contrast, August boasts much warmer temperatures, with lows of 19°C (66°F) and highs reaching up to 32°C (90°F), averaging around 26°C (79°F). Rainfall is minimal, averaging just 21 mm (0.8 in) over only 3 days, and the humidity drops to a more comfortable 53%. For a closer look at weather conditions during this summer month, visit Pompei weather in August.
In January, the weather is considerably colder, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 18°C (64°F) and an average of 9°C (49°F). The month experiences higher humidity at 84% and receives around 114 mm (4.5 in) of precipitation over approximately 11 days. In contrast, September brings milder weather, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 29°C (85°F) and an average of 22°C (72°F). The humidity drops to 65%, and precipitation decreases slightly to 96 mm (3.8 in) over about 10 days. For more details on September weather in Pompei, check out Pompei weather in September.
January and October present quite contrasting weather conditions. In January, temperatures typically range from a chilly minimum of -2°C (29°F) to a mild maximum of 18°C (64°F), with an average of 9°C (49°F). The month sees considerable precipitation, totaling 114 mm (4.5 in) over 11 days and high humidity levels at 84%. In contrast, October enjoys much warmer weather, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 25°C (78°F) and an average of 18°C (65°F). Precipitation decreases slightly to 104 mm (4.1 in) over 10 days, along with lower humidity at 75%. For more specific details about weather conditions in October, you can check Pompei weather in October.
When comparing the weather in January and November, January tends to be cooler with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 18°C (64°F) and an average of 9°C (49°F). In contrast, November offers milder conditions, featuring temperatures from a minimum of 5°C (41°F) up to 22°C (71°F), with an average of 15°C (59°F). Additionally, November experiences significantly higher precipitation at 258 mm (10.2 in) over 17 days, compared to January's 114 mm (4.5 in) over 11 days. Humidity levels are similar, at 84% for January and 81% for November, making both months relatively humid. For a detailed look at November weather, check out Pompei weather in November.
In December, the weather is slightly milder than in January, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 17°C (64°F). In contrast, January sees colder minimum temperatures, dropping to -2°C (29°F) and peaking at 18°C (64°F). December tends to be wetter as well, with 200 mm (7.9 in) of precipitation over 15 days, compared to January's 114 mm (4.5 in) over 11 days. Both months share similar humidity levels at 84%, but December's higher rainfall contributes to a more pronounced chilly atmosphere. For more detailed information on December weather in Pompei, you can refer to Pompei weather in December.
January in Pompei presents a unique weather experience, deviating significantly from the warmer months. The chill of winter is palpable, with average temperatures hovering around 9°C (49°F), often dipping low enough to bring the occasional frost. Rainfall is more frequent than in drier months, contributing to a total of 114 mm over about 11 days, which adds a refreshing feel to the landscape but might require some planning for outdoor activities. With humidity levels reaching 84%, the air feels crisp and damp, creating that distinct wintry atmosphere. For more information on the overall climate patterns in the region, check out Pompei Climate.