January Weather in Arenzano, Italy

Last updated: March 24, 2025

In Arenzano, Italy, January brings a cool and often moist climate, with maximum temperatures reaching 15°C (59°F) and average temperatures around 5°C (41°F). Even as the days are chilly, a minimum drop to -6°C (21°F) can occur, requiring warm attire for outdoor activities. This month typically sees about 66 mm (2.6 in) of precipitation spread over 7 days, resulting in an 88% humidity level that gives the air a refreshing yet damp feel. Those visiting during this time can expect a blend of winter's crispness and the beauty of the coastal landscape.

January Temperature in Arenzano

In January, Arenzano, Italy, experiences a range of temperatures that hints at the transition from the chill of winter to the budding signs of spring. With minimums dipping as low as -6°C (21°F), winter's grasp can still be felt, yet the average temperature rises to a moderate 5°C (41°F). Daytime highs reach up to 15°C (59°F), providing a refreshing contrast to the cold mornings. As the month unfolds, the landscape begins to hint at warmer days ahead, setting the stage for February’s gradual increase in temperatures. This steady rise not only marks a shift in the climate but also invites locals and visitors alike to start looking forward to the vibrant warmth of the upcoming months.

January Weather in Arenzano: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Arenzano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414548546068727366584942
Data source: Temperature data for Arenzano generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Arenzano

In Arenzano, Italy, January ushers in the year with an average precipitation of 66 mm (2.6 in) over about 7 days, setting a relatively mild tone compared to the wetter months that follow. As winter gives way to spring, February sees a slight increase in rainfall, reaching 72 mm (2.8 in) across 10 days. This upward trend continues into March and April, where precipitation peaks at 92 mm (3.6 in) and 91 mm (3.6 in), respectively, marking the transition to the lush greenery of spring. Interestingly, May experiences a significant jump to 120 mm (4.7 in), with rainfall spread over 16 days, preparing the landscape for the summer months ahead. Overall, January serves as a gentle starting point in a year characterized by progressively increasing rainfall, culminating in the wetter autumn months of October and November.

January Precipitation Trends in Arenzano

The chart displays monthly precipitation patterns in Arenzano, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec6672929112062644878183212129
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Arenzano

In January, Arenzano, Italy, experiences a notably high humidity level of 88%, setting the tone for a month often characterized by cool, damp conditions. As winter transitions into early spring, February sees a slight dip to 81%, ushering in a gradual decrease as March follows with 76% humidity. This trend continues into the warmer months, reaching its lowest point in August at 64%, where the Mediterranean climate offers a refreshing reprieve. However, as autumn approaches, humidity levels begin to rise again, peaking at 88% in November, before closing the year in December with 85%. This fluctuation highlights a distinct pattern where humidity is at its highest during the colder months, while the summer months enjoy a more comfortable, lower humidity, creating a dynamic climate that shapes the region's character.

January Average Humidity in Arenzano

This chart illustrates the average monthly humidity levels in Arenzano, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec88%81%76%77%74%71%67%64%74%87%88%85%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Arenzano

In January, Arenzano, Italy, experiences a low UV Index of 2, translating to a burn time of 45 minutes under direct sunlight. As winter progresses into February, the UV Index rises to 3, indicating a moderate exposure category with a shorter burn time of 30 minutes. This upward trend continues into March and April, where the index hits 6 and 7 respectively, both categorized as high exposure, resulting in just 25 minutes of safe sun exposure. The sun's intensity peaks in the warmer months of May through August, where the UV Index escalates to a very high 8 and 9, drastically reducing burn time to a mere 15 minutes. As autumn arrives, the index begins to decline. By September, it drops back to 7, followed by moderate levels in October (index 5) and November (index 3), before closing the year again at 2 in December. These trends highlight the importance of sun protection, especially from late spring through summer when the potential for sunburn rises significantly. For more details on UV levels throughout the year, visit Arenzano UV Index.

Maximum UV Index Levels in Arenzano for January

The chart shows the monthly maximum UV Index (UVI) for Arenzano in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec236789987532
Data source: Arenzano January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Arenzano

In Arenzano, Italy, January starts the year with a cool embrace of 186 hours of sunshine, gently paving the way for brighter days ahead. As February approaches, the daylight increases to 228 hours, signaling the gradual emergence of spring. This trend accelerates remarkably in March, where sunny hours rise to 308, and by April, the sun generously bestows 343 hours, inviting the world to bloom. The warmth continues to build momentum in May and June, peaking at 410 hours in June, as summer draws near. July reaches its sunlit pinnacle with 425 hours, only to slightly recede in August with 395 hours. The sun’s retreat is palpable in the fall, with September offering 339 hours and October further dwindling to 293 hours. Finally, the year winds down into November and December, featuring 223 hours and 220 hours respectively, wrapping up the year in a warm halo of golden serenity. This evolving dance of daylight tells a story of seasonal transformation, underscoring the magic of Arenzano’s climate throughout the year.

Monthly Sunshine Duration in Arenzano: January Highlighted

The January sunshine duration represents the total number of hours Arenzano experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec186h228h308h343h388h410h425h395h339h293h223h220h
Data source: Arenzano January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Arenzano During January

In January, Arenzano, Italy, experiences a 36% chance of sunny weather, marking the beginning of the year with a modest dose of sunshine. As winter progresses into February, the likelihood increases slightly to 42%, signalling a gradual shift toward brighter days. This trend continues into March, where the sun makes a more promising appearance with a 58% chance, demonstrating a clear transition into spring. However, January's sun is less frequent compared to the months that follow, highlighting a seasonal pattern where sunshine becomes more abundant as the days lengthen. As we move from the cold of January to the warmth of March, it is evident that sun lovers may want to wait just a bit longer for the springtime rays to shine down on this charming Italian coastal town.

Percentage of Sunny Days in January in Arenzano

The chart illustrates the percentage of sunny days in Arenzano throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Arenzano experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec36%42%58%46%40%46%46%56%46%50%35%47%
Data source: Arenzano January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Arenzano in January

In Arenzano, Italy, the daylight duration smoothly transitions throughout the year, beginning in January with a modest nine hours of light. As winter fades and spring approaches, daylight steadily increases, reaching eleven hours in March and blossoming into thirteen hours by April. This trend of expanding daylight continues, peaking at a vibrant fifteen hours in both June and July, inviting residents and visitors alike to enjoy the sun-drenched days of summer. However, as summer takes its leave, daylight begins to recede, with August dipping to thirteen hours, then gradually tapering down to nine hours by November. The cycle completes itself in December, showcasing the seasonal rhythm of light that defines life in Arenzano.

Average Daylight Hours in Arenzano for January

The chart illustrates the variation in daylight duration in Arenzano throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 15m10h 26m11h 56m13h 29m14h 48m15h 28m15h 7m13h 57m12h 28m10h 56m9h 34m8h 52m
Data source: Arenzano daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Arenzano

January in Arenzano, Italy, experiences a gentle breeze with an average wind speed of 2.7 m/s (6 mph), setting a calm tone for the start of the year. This month showcases a subtle rise compared to the preceding months, a trend that hints at the transition towards the spring months. As the seasons change, wind speeds slightly fluctuate, but consistently remain in the 2.5 to 3.3 m/s range throughout the year, peaking in November at 3.3 m/s (7 mph). The serenity of January's winds is a refreshing reminder of the mild coastal climate, offering a tranquil backdrop for both locals and visitors as they embrace the beauty of winter in this charming Italian town.

Average January Wind Speed in Arenzano

The chart displays monthly wind speed patterns in Arenzano, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.7 m/s2.62.62.82.62.22.12.42.02.93.32.4
Data source: Arenzano January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Arenzano Compares to Other Months

The weather in Arenzano 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 Arenzano and find detailed weather information for every month.

January and February present a gradual warming trend in weather conditions. While January features a minimum temperature of -6°C (21°F) and an average of 5°C (41°F), February's minimum rises slightly to -5°C (24°F), with an average temperature of 7°C (45°F). By comparison, February sees higher maximum temperatures as well, reaching up to 18°C (64°F) compared to January's 15°C (59°F). Precipitation increases in February, totaling 72 mm (2.8 in) over 10 days, while January has 66 mm (2.6 in) over 7 days. Additionally, humidity decreases from 88% in January to 81% in February, reflecting a shift towards more comfortable conditions. For a detailed look at February's weather, check out Arenzano weather in February.

In January, temperatures in Arenzano range from a chilly -6°C (21°F) at their lowest to a mild 15°C (59°F) at their peak, averaging around 5°C (41°F). The month sees 66 mm (2.6 in) of precipitation over 7 days, accompanied by high humidity at 88%. In contrast, March brings a noticeable rise in temperatures, with a minimum of -4°C (25°F) and a maximum reaching 21°C (69°F), resulting in an average of 9°C (48°F). Precipitation in March increases to 92 mm (3.6 in) over 9 days, but humidity decreases to a more comfortable 76%. For more details on the weather patterns, visit Arenzano weather in March.

January and April present a striking contrast in weather. January experiences chilly temperatures, with a minimum of -6°C (21°F) and an average of 5°C (41°F), peaking at 15°C (59°F). During this month, precipitation totals 66 mm (2.6 in) across about 7 days, coupled with a high humidity of 88%, giving the air a damp and frigid feel. In contrast, April ushers in a significant warming trend, with minimum temperatures rising to 1°C (33°F) and an average temperature of 12°C (54°F), climbing to a maximum of 25°C (77°F). Although April sees slightly higher precipitation at 91 mm (3.6 in) over 9 days, the humidity drops to 77%, making it feel much more comfortable. For more specifics on April weather, check out Arenzano weather in April.

January and May present distinctly different weather patterns. In January, temperatures hover between a frigid minimum of -6°C (21°F) and a mild maximum of 15°C (59°F), with an average of 5°C (41°F). The month sees around 66 mm (2.6 in) of precipitation over 7 days, accompanied by high humidity at 88%. In contrast, May experiences a pleasant rise in temperatures, ranging from a minimum of 4°C (40°F) to a warm maximum of 29°C (85°F), with an average of 16°C (60°F). However, it also brings more rain, totaling 120 mm (4.7 in) across 16 rainy days, although humidity is lower at 74%. For more detailed information, visit Arenzano weather in May.

In January, the weather is quite chilly, with temperatures ranging from a low of -6°C (21°F) to a comfortable high of 15°C (59°F), and the average temperature hovering around 5°C (41°F). This month also experiences significant humidity at 88% and receives about 66 mm (2.6 in) of precipitation over approximately 7 days. In contrast, June brings much warmer temperatures, with lows of 12°C (54°F) and highs reaching up to 34°C (94°F), averaging around 20°C (69°F). Although June has slightly less total precipitation at 62 mm (2.4 in), it experiences rainfall over 10 days, while humidity drops to a more comfortable 71%. For a closer look at the pleasant weather conditions in June, visit Arenzano weather in June.

January and July present stark contrasts in weather patterns. In January, temperatures range from a chilly minimum of -6°C (21°F) to a maximum of 15°C (59°F), with an average of 5°C (41°F). The month experiences higher humidity at 88%, alongside 66 mm (2.6 in) of precipitation spread over 7 days. In contrast, July boasts a much warmer climate, with temperatures ranging from a minimum of 14°C (58°F) to a sweltering maximum of 33°C (91°F), and an average temperature of 22°C (73°F). The humidity drops to 67%, and precipitation is slightly lower at 64 mm (2.5 in) over 9 days. To learn more about July weather in Arenzano, check out Arenzano weather in July.

The weather in January and August varies significantly, reflecting the distinct seasons. In January, temperatures range from a chilly minimum of -6°C (21°F) to a maximum of 15°C (59°F), with an average around 5°C (41°F). This month experiences higher humidity at 88% and receives about 66 mm (2.6 in) of precipitation over approximately 7 days. In contrast, August boasts much warmer temperatures, with a low of 14°C (57°F) and highs reaching 32°C (89°F), averaging at 23°C (74°F). Additionally, August sees less precipitation, with 48 mm (1.9 in) spread over 10 days and lower humidity at 64%. For more details on weather specifics, visit Arenzano weather in August.

In January, the weather is notably colder, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 15°C (59°F), creating an average of just 5°C (41°F). The month experiences significant humidity at 88%, and precipitation occurs over about 7 days, totaling 66 mm (2.6 in). In contrast, September ushers in a much warmer climate, where temperatures fluctuate between a minimum of 8°C (47°F) and a maximum of 29°C (84°F), leading to an average of 19°C (67°F). Although it rains more frequently, with precipitation on 11 days and totaling 78 mm (3.1 in), the humidity decreases to a more comfortable 74%. For a detailed look at the weather during this time, check out Arenzano weather in September.

January and October present contrasting weather profiles. In January, temperatures range from a chilly minimum of -6°C (21°F) to a mild maximum of 15°C (59°F), with an average temperature of 5°C (41°F). The month sees about 66 mm (2.6 in) of precipitation over 7 days, contributing to a high humidity level of 88%. In contrast, October experiences much warmer conditions, with temperatures starting at a minimum of 6°C (43°F) and peaking at 25°C (77°F), averaging around 15°C (59°F). This month also sees increased precipitation, totaling 182 mm (7.2 in) over 11 days, while humidity remains slightly lower at 87%. For further details on October weather, check out Arenzano weather in October.

January and November exhibit notable differences in weather patterns. January experiences colder temperatures, with a minimum of -6°C (21°F) and an average of 5°C (41°F), whereas November is milder, featuring a minimum of 1°C (33°F) and an average of 10°C (50°F). While both months share a high humidity level of 88%, November receives significantly more precipitation at 212 mm (8.3 in) over 14 days compared to January's 66 mm (2.6 in) over just 7 days. For more details, you can check Arenzano weather in November.

When comparing the weather in January and December, January is generally colder, with nighttime temperatures dropping to a minimum of -6°C (21°F) compared to December's -2°C (28°F). The average temperature in January is 5°C (41°F), slightly lower than December's 6°C (42°F), though both months share similar maximum temperatures, peaking at 15°C (59°F) in January and 16°C (61°F) in December. Additionally, January experiences less precipitation with 66 mm (2.6 in) over 7 days, while December sees a higher total of 129 mm (5.1 in) over 10 days, making it a wetter month. Despite these differences, both months maintain high humidity levels, with January at 88% and December slightly lower at 85%. For more detailed climate insights, you can explore Arenzano weather in December.

Compare Arenzano's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Arenzano

As January unfolds in Arenzano, the weather presents a unique contrast to the milder, sunnier months that follow. With average temperatures hovering around 5°C (41°F), it is notably cooler, and the occasional maximum of 15°C (59°F) feels like a distant memory during the chill of winter. January also brings heightened humidity at 88%, creating a crisp, refreshing atmosphere, while precipitation occurs on roughly seven days, accumulating around 66 mm (2.6 in) to nurture the lush landscape. This month sets the stage for the transition from the cold of winter to the budding warmth of spring. For a deeper dive into seasonal trends, explore Arenzano Climate.