Last updated: August 21, 2025
In January, Itoshima, Japan, experiences a varied weather profile characterized by a maximum temperature of 17°C (63°F) and an average of 8°C (46°F). The chill of winter is palpable with a minimum temperature plunging to -1°C (30°F). Visitors should prepare for an accumulation of approximately 60 mm (2.4 in) of rain, spread over 8 days, yielding a humidity level of around 75%. This combination sets the stage for a cool, often wet January, combining the crispness of winter air with occasional showers, ideal for those who enjoy a tranquil seasonal ambiance.
In Itoshima, Japan, January temperatures create a crisp winter atmosphere, with a minimum around -1°C (30°F) and a comfortable average of 8°C (46°F). While daytime temperatures can peak at a moderate 17°C (63°F), the month marks the transition into a warmer season, as February sees similar lows but hints at rising highs with temperatures reaching up to 20°C (68°F). This gradual warming trend continues into March as spring approaches, bringing an increase in average temperatures to 11°C (53°F) and maximums soaring to 21°C (71°F). With each passing month, temperatures consistently climb, making the region a delightful springtime destination as winter yields to the vibrancy of the seasons ahead.
In January, Itoshima, Japan, experiences a relatively moderate start to the year with precipitation totaling 60 mm (2.4 in) over 8 rainy days. This sets the stage for an increase in rainfall as winter transitions into spring, with February seeing a rise to 78 mm (3.1 in) across 10 days. The trend toward wetter conditions peaks in the summer months, beginning in June and culminating in July when precipitation skyrockets to 321 mm (12.6 in) over 18 days, highlighting a seasonal shift. Despite January's light showers, the subsequent months reveal a steady uptick, showcasing the region's dynamic weather patterns and the importance of preparedness for heavier rains ahead.
In January, Itoshima experiences a humidity level of 75%, setting the stage for the wetter months ahead. As the year progresses, humidity gradually declines to 71% in both February and March, offering a brief respite before the spring surge. With April ushering in higher moisture levels at 78%, a consistent upward trend begins, culminating in the summer months where humidity peaks at a remarkable 92% in July. The high humidity continues to linger into August at 91%, before starting to recede as the year winds down. By September, it drops to 84%, and ultimately settles to 79% in December. This pattern highlights a typical coastal climate, where Itoshima enjoys gentle seasonal shifts, balancing moisture and temperature throughout the year.
In Itoshima, Japan, January brings a moderate UV Index of 4, indicating a relatively safe level of sun exposure with a burn time of about 30 minutes. As the year progresses into February, the UV intensity rises to 6, marking the beginning of a high exposure category and reducing the burn time to 25 minutes. By March, the UV Index escalates to 8, signifying very high exposure risks, and continues to climb dramatically as spring transitions to summer. April through August showcases an extreme UV Index consistently at 11 to 12, where protective measures are essential due to a sharp decline in burn time to just 10 minutes. This trend gradually eases as fall approaches, with the UV Index dropping back to 6 in November and returning to 4 by December, reminding residents and visitors of the importance of sun safety year-round. For more detailed information, visit Itoshima UV Index.
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In Itoshima, Japan, January greets visitors with a promising 179 hours of sunshine, setting the stage for a slow yet steady increase in daylight as winter gives way to spring. As the months roll on, the sunshine hours climb sharply, peaking in August with an impressive 304 hours, offering the warmest and brightest days of the year. The transition from winter to summer is marked by a consistent upward trend, with notable increases in March and April as cherry blossoms bloom, while June to July provides a delightful balance of warmth and sunlight. However, the golden days of summer gradually yield to the crisp embrace of autumn, causing sunshine hours to taper off in September, ultimately settling back to 216 hours by December. This natural ebb and flow of sunlight not only shapes the region's landscape but also invites locals and travelers alike to experience the seasonal transformations throughout the year.
In Itoshima, Japan, January brings a 33% chance of sunny weather, marking a significant dip compared to the more promising conditions of the following month, February, which boasts a 45% chance. This trend indicates a gradual increase in sunshine as winter transitions to spring, with March showing a slight recovery at 36%. The warmest months, however, reveal a stark contrast; July and August present the least sunny prospects, plummeting to 20% and 27% respectively. As the year progresses into autumn, sunny days rebound sharply, peaking at 60% in October, signaling a delightful return of sun-drenched days after summer’s wet season. Thus, while January offers limited sunshine, the overall trend suggests a seasonal shift toward more frequent clarity as the year unfolds.
In Itoshima, Japan, January greets residents with 10 hours of daylight, setting the tone for the winter months. As the year progresses into February, daylight remains steady at 10 hours, hinting at a gradual shift towards longer days. By March, daylight begins to stretch, reaching 11 hours, and the trend continues into April and May, where it peaks at 13 hours. This increase is a precursor to the summer months, as June and July enjoy a glorious 14 hours of sunlight, offering ample time for outdoor adventures. However, as summer wanes into August, daylight diminishes slightly to 13 hours, leading to a gradual decline in the subsequent months. By November, daylight returns to 10 hours, before settling at 9 hours in December, marking a full circle back to winter's embrace. The rhythmic ebb and flow of daylight hours in Itoshima creates a captivating cycle, shaping the region’s seasonal experiences.
In Itoshima, Japan, January ushers in a gentle average wind speed of 3.5 m/s (8 mph), creating a crisp atmosphere that invigorates the coastal landscape. As winter transitions into spring, February mirrors January's breeziness just slightly higher at 3.6 m/s, often inviting outdoor activities against the backdrop of serene shores. However, a noticeable dip occurs in March, where the winds calm to 2.9 m/s (7 mph), and this trend continues into the warmer months, with April and May registering similar light winds. By June, the air becomes particularly tranquil, achieving a low of 1.9 m/s (4 mph), hinting at the approaching summer heat. As the year progresses, wind speeds gradually rise again, culminating in a return to 3.1 m/s in November, before hitting the seasonal high of 3.5 m/s (8 mph) once more in December. This cyclical nature of Itoshima's winds not only reflects the changing seasons but also enhances the region's unique charm throughout the year.
Weather in Itoshima varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Itoshima, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between January and February, both months display similar minimum temperatures of around -1°C (30°F), maintaining an average of 8°C (46°F). However, February tends to be slightly warmer, with maximum temperatures reaching up to 20°C (68°F) compared to January's 17°C (63°F). Precipitation increases in February, totaling 78 mm (3.1 in) over approximately 10 days, while January sees 60 mm (2.4 in) across about 8 days. Furthermore, humidity levels are comparable, with February at 71% and January at 75%. For more detailed information, check out Itoshima weather in February.
In January, the weather tends to be quite chilly, with minimum temperatures dropping to -1°C (30°F) and a comfortable maximum of 17°C (63°F). This month experiences an average temperature of 8°C (46°F) along with moderate precipitation of 60 mm (2.4 in) over approximately 8 days, accompanied by a humidity level of 75%.
In contrast, March brings milder temperatures, with minimums around 4°C (39°F) and maximums reaching 21°C (71°F). The average temperature in March is slightly higher at 11°C (53°F), but the month is also wetter, receiving about 121 mm (4.8 in) of rain over 11 days, and humidity dips slightly to 71%. For more detailed insights, you can check Itoshima weather in March.
In January, the weather is significantly cooler, with average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 17°C (63°F). It experiences around 60 mm (2.4 in) of precipitation over about 8 days, while the humidity level sits at 75%.
In contrast, April brings milder and more pleasant conditions, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 26°C (79°F). The month sees an increase in precipitation to 112 mm (4.4 in) over the same number of days, and humidity rises slightly to 78%. For more details about April weather in Itoshima, you can refer to Itoshima weather in April.
In January, the weather tends to be quite chilly, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 17°C (63°F) and an average of 8°C (46°F). Precipitation is moderate, totaling 60 mm (2.4 in) over about 8 days, and the humidity sits at 75%. In stark contrast, May brings much warmer temperatures, with a minimum of 11°C (51°F) and a maximum of 28°C (83°F), and an average temperature of 20°C (68°F). While May experiences significantly higher precipitation at 155 mm (6.1 in) over 11 days, the humidity also rises to 84%. For more details on May weather, you can check Itoshima weather in May.
In January, temperatures in Itoshima range from a chilly minimum of -1°C (30°F) to a pleasant maximum of 17°C (63°F), with an average of 8°C (46°F). The month is characterized by moderate precipitation, totaling 60 mm (2.4 in) over 8 days, and a relatively high humidity of 75%. In contrast, June experiences significantly warmer temperatures, with a minimum of 17°C (63°F) and highs reaching up to 31°C (88°F), resulting in an average temperature of 23°C (74°F). However, June is also the wettest month, receiving 184 mm (7.3 in) of rain over 13 days, and it brings increased humidity, soaring to 86%. For more detailed insights about the weather during this vibrant month, visit Itoshima weather in June.
January weather features cooler temperatures, with an average of 8°C (46°F) and a maximum of 17°C (63°F), making it a refreshing time of year. In contrast, July brings significantly warmer conditions, with an average temperature of 27°C (81°F) and highs reaching up to 35°C (95°F). January experiences less precipitation, totaling 60 mm (2.4 in) over 8 days, while July sees a substantial increase in rainfall at 321 mm (12.6 in) across 18 days, contributing to a much higher humidity level of 92% compared to January's 75%. For more information on the July climate, visit Itoshima weather in July.
January and August present strikingly different weather patterns. In January, temperatures are notably cooler, with a minimum of -1°C (30°F) and an average of 8°C (46°F), peaking at 17°C (63°F). The month experiences around 60 mm (2.4 in) of precipitation over approximately 8 days, accompanied by a moderate humidity level of 75%. In contrast, August is characterized by significantly warmer conditions, where temperatures range from a minimum of 21°C (69°F) to a maximum of 36°C (97°F), averaging 29°C (84°F). This month sees much higher precipitation, totaling 285 mm (11.2 in) spread over 14 days, and humidity rises to 91%. For a detailed look at the weather during this month, you can visit Itoshima weather in August.
In January, the weather is generally cool, with temperatures ranging from a chilly minimum of -1°C (30°F) to a moderate maximum of 17°C (63°F). The month experiences around 60 mm (2.4 in) of precipitation over approximately 8 days, with humidity levels hovering around 75%. In stark contrast, September brings warm and humid conditions, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 34°C (94°F). This month sees significantly more rainfall, totaling 204 mm (8.1 in) over about 15 days, and humidity levels rise to 84%. For more details on the weather in this vibrant autumn month, check out Itoshima weather in September.
In comparing the weather between January and October, notable differences emerge. January typically features cooler temperatures, with averages ranging from a chilly min of -1°C (30°F) to a max of 17°C (63°F), while October enjoys a warmer climate with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 30°C (87°F). Additionally, October experiences higher precipitation levels, totaling 111 mm (4.4 in) over about 10 days, compared to January's 60 mm (2.4 in) across 8 days. The humidity also rises slightly in October to 83%, up from January's 75%. For more detailed insights, you can check Itoshima weather in October.
In comparing the weather between January and November, January is noticeably colder, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 17°C (63°F). In contrast, November enjoys milder temperatures, averaging 15°C (59°F), with highs reaching up to 24°C (75°F). Precipitation is slightly higher in January at 60 mm (2.4 in) over about 8 days, while November sees 51 mm (2.0 in) across 7 days. Humidity levels are also a bit higher in November at 81%, compared to January’s 75%. For more specific details about this month's climate, check out Itoshima weather in November.
In comparison to December, January experiences slightly cooler temperatures, with an average low of -1°C (30°F) compared to December’s minimum of 1°C (35°F). While the average maximum temperature in January reaches 17°C (63°F), December can be warmer, peaking at 23°C (74°F). Precipitation levels in both months are similar, with January seeing 60 mm (2.4 in) over 8 days, while December registers a bit more at 71 mm (2.8 in) across 9 days. Additionally, January's humidity sits at 75%, which is marginally lower than December’s 79%. For more details, check out Itoshima weather in December.
As January unfolds in Itoshima, the weather shifts to a cooler and more subdued atmosphere, contrasting with the milder months that precede it. Temperatures dip, offering a briskness that can be invigorating, while humidity levels remain high, lending an overall chill to the air. With an average of eight days of precipitation, January can be quite damp, yet this adds a refreshing charm to the scenery. It’s a month that invites a cozy retreat, making you appreciate the warmth of home even more. For a deeper dive into how Itoshima's weather shapes its unique climate, explore the detailed insights at Itoshima Climate.