Last updated: August 21, 2025
In January, the weather in Ito, Japan presents a cool and crisp atmosphere, characterized by a maximum temperature reaching 18°C (64°F) and an average temperature of 7°C (44°F). With temperatures dipping as low as -2°C (29°F) at night, residents and visitors alike should prepare for chilly conditions. Rainfall is moderate, with a total precipitation amount of 68 mm (2.7 in) over roughly 5 days, contributing to the region's vibrant winter landscape. The humidity levels hover around a significant 76%, adding a layer of crispness to the air, making it a time for warm clothing and cozy indoor activities in this picturesque coastal town.
In January, Ito, Japan experiences its winter chill, with temperatures ranging from a crisp -2°C (29°F) at night to a mild 18°C (64°F) during the day, yielding an average of 7°C (44°F). This month marks the coldest point of the year, setting the stage for gradual warming as the seasons shift. As February rolls in, a slight increase in temperatures is noted, with nighttime lows creeping up to -1°C (30°F) and daytime highs reaching 19°C (67°F). The overall trend through late winter and into early spring reveals a steady climb in temperatures; by March, the averages rise to 11°C (51°F), hinting at the arrival of spring blooms and warmer days. This progression showcases Ito's shift from the cold embrace of winter to the burgeoning warmth of spring, making it a fascinating study in seasonal transition.
In January, Ito, Japan, experiences a moderate start to the year, with precipitation totaling 68 mm (2.7 in) over just 5 rainy days. This relatively low monthly total suggests a dry spell compared to the heavier rainfall seen in the subsequent months. As winter gradually gives way to early spring, February's precipitation increases to 83 mm (3.2 in), hinting at a shift as the season transitions. The trend continues upward through spring and into summer, with March witnessing a dramatic rise to 196 mm (7.7 in) and reaching peak levels in July, where 326 mm (12.8 in) falls over 19 days. By contrast, January’s rainfall serves as a reminder of the drier months, preparing the region for the heavy, persistent rains that characterize the warmer seasons ahead.
In January, Ito, Japan experiences a humidity level of 76%, setting the stage for a month filled with a crisp, refreshing air that often precedes the wetter seasons. As the winter progresses into February, humidity slightly dips to 74%, hinting at the gradual change in weather. However, as cherry blossoms bloom into spring, humidity begins its steady climb, reaching 81% by May. This upward trend continues throughout the summer months, with July peaking dramatically at 93%, heralding the sweltering heat of the season. The humidity remains high in August and September, before trailing off to more moderate levels again, with October at 83% and November at 80%. By December, humidity settles at 78%, creating a cyclical rhythm that captures the essence of Ito's diverse climate throughout the year.
In January, Ito, Japan experiences a moderate UV Index of 4, indicating a burn time of about 30 minutes. This marks the start of a seasonal climb in UV exposure, with February seeing a rise to an Index of 6 and a high exposure category, reducing burn time to 25 minutes. As spring approaches, the UV levels escalate further, peaking in the summer months: by May, the UV Index reaches a striking 11—categorized as extreme, significantly shortening burn time to just 10 minutes. Throughout the year, UV exposure underscores the importance of sun safety, particularly from March onward when levels become increasingly dangerous. For more detailed information, visit Ito UV Index.
UV Risk Categories
In January, Ito, Japan, greets the year with 189 hours of sunshine, setting a serene tone for the month. As winter fades, the days gradually brighten, with February following closely at 225 hours, signaling a gentle transition towards spring. By March and April, the increasing daylight becomes even more pronounced, reaching 249 and 260 hours respectively, encouraging blossoming blooms and outdoor activity. May brings the sunniest days of the season with 282 hours, while June sees a slight dip to 253 hours as summer begins to settle in. The trend continues in the warm months, peaking in August with 285 hours of golden sunshine, before gradually tapering off as fall approaches. September offers a pleasant 236 hours, followed by October at 201 hours and November, which retains a respectable 223 hours. Finally, December closes the year with 227 hours, allowing for a radiant finish to the seasonal cycle in this beautiful coastal city. Through the year, the ebb and flow of sunshine create a mesmerizing rhythm, enhancing Ito's charm as a year-round destination.
In Ito, Japan, January boasts a 59% chance of sunny weather, marking a favorable start to the year. As winter transitions to spring, the likelihood of sunshine gradually increases, peaking at 66% in February before dipping again in March to 39%. This trend highlights January as a solid choice for those seeking bright days, especially when compared to the much gloomier summer months, where the chances drop significantly to around 22% to 33%. By the end of the year, the percentages rise again, suggesting that while January offers respectable sunshine, regular bursts of brightness are more likely in late autumn and early winter. Overall, January stands out as one of the more promising months for sunlight in Ito’s varied climate.
In Ito, Japan, daylight duration begins at a steady 10 hours in January and February, creating a tranquil start to the year. As spring arrives in March, the days gradually lengthen to 11 hours, signaling the approach of warmer weather. April and May usher in longer days, peaking at 14 hours in June, when the sun graces the skies at its brightest. Following the summer months, daylight starts to wane, subtly decreasing to 13 hours in August and tapering to 12 hours in September. This trend continues into the autumn months, with daylight eventually dwindling to 10 hours in November before reaching a low of 9 hours in December. Overall, Ito experiences a rhythmic ebb and flow of daylight that dances with the seasons, offering a unique backdrop to each time of year.
In January, Ito, Japan experiences a gentle average wind speed of 3.3 m/s (7 mph), setting the tone for the winter season. This month is notable for its relatively brisk winds that slightly surpass those of the following month, February, which sees an increase to 3.7 m/s (8 mph). As spring approaches, March brings a decrease in wind speed to 2.6 m/s (6 mph), signaling a calming shift. The trend continues through the spring months, with light winds persisting in April and May. By the time summer arrives, the winds have mellowed, averaging 2.0 m/s (4 mph) in both June and July. However, come August and September, there's a modest uptick back to 2.9 m/s (7 mph), hinting at the dynamic shifts typical of coastal weather. As autumn sets in, the winds pick up slightly, closing the year with a return to 3.1 m/s (7 mph) in November and leveling out at 3.3 m/s (7 mph) in December. This cyclical pattern highlights the unique interplay between the changing seasons and wind patterns in Ito, capturing the essence of Japan’s coastal climate.
Weather in Ito varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Ito, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between January and February, temperatures remain relatively consistent, with January experiencing a minimum of -2°C (29°F) and a maximum of 18°C (64°F), while February sees a slight increase, with a minimum of -1°C (30°F) and a maximum of 19°C (67°F). Both months have an average temperature of around 7°C (44°F to 45°F). However, February brings more precipitation, totaling 83 mm (3.2 in) over 8 rainy days, compared to January's 68 mm (2.7 in) spread across 5 days. Humidity levels remain fairly similar, with January at 76% and February slightly lower at 74%. For more details on February weather specifically, check out Ito weather in February.
In January, the weather tends to be cooler with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 18°C (64°F), while March brings a noticeable warmth, with temperatures elevating to a minimum of 1°C (34°F) and peaking at 22°C (72°F). Precipitation also increases significantly in March, averaging 196 mm (7.7 in) over 13 days, compared to January's 68 mm (2.7 in) over just 5 days. Despite this increase in rainfall, March maintains a slightly lower humidity level at 70%, compared to January’s 76%. For more details on the weather during this month, you can visit Ito weather in March.
January and April showcase notable differences in weather patterns. In January, temperatures range from a chilly -2°C (29°F) at night to a mild 18°C (64°F) during the day, with an average of 7°C (44°F). The month experiences 68 mm (2.7 in) of precipitation over about 5 days, contributing to a relatively high humidity of 76%. In contrast, April brings a significant warming trend, with nighttime temperatures averaging 3°C (38°F) and daytime highs reaching 24°C (76°F), resulting in an average temperature of 14°C (57°F). However, April is also wetter, with 168 mm (6.6 in) of rainfall spread across 11 days, and slightly lower humidity at 74%. For those interested in the specifics of April weather patterns, you can check out Ito weather in April.
January and May present stark contrasts in weather conditions. 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 temperature of 7°C (44°F). The month experiences a total of 68 mm (2.7 in) of precipitation over 5 days and a relative humidity of 76%. In contrast, May brings significantly warmer temperatures, with a minimum of 9°C (48°F), an average of 18°C (65°F), and a maximum reaching 28°C (82°F). However, May also sees higher rainfall, totaling 194 mm (7.6 in) over 12 days, coupled with slightly increased humidity at 81%. For more details on the weather trends, check out Ito weather in May.
In January, the weather is characterized by cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 18°C (64°F). The average temperature hovers around 7°C (44°F), accompanied by moderate humidity levels of 76%. Precipitation is relatively low, totaling 68 mm (2.7 in) over about 5 days.
In sharp contrast, June brings significantly warmer conditions, with minimum temperatures starting at 15°C (59°F) and maximums reaching up to 29°C (85°F). The average temperature rises to 21°C (71°F), along with higher humidity at 88%. However, June sees a dramatic increase in rainfall, accumulating 263 mm (10.3 in) over approximately 17 days. For more detailed weather insights for June, you can check out Ito weather in June.
In January, the weather is quite cool, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 18°C (64°F) and an average of 7°C (44°F). The month experiences moderate precipitation, totaling 68 mm (2.7 in) over about 5 days, accompanied by relatively high humidity levels at 76%. In contrast, July sees significantly warmer temperatures, with a minimum of 18°C (65°F), an average of 25°C (77°F), and a maximum reaching 33°C (92°F). However, this summer month is also characterized by much higher rainfall, accumulating to 326 mm (12.8 in) over 19 days, and even greater humidity at 93%. For more details on the specific weather conditions in July, you can check Ito weather in July.
In January, the weather is relatively cool, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 18°C (64°F) and an average of 7°C (44°F). The month experiences 68 mm (2.7 in) of precipitation over about 5 days, accompanied by a humidity level of 76%. In contrast, August boasts much warmer conditions, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 34°C (94°F), averaging at 27°C (81°F). This month sees significantly more rainfall, totaling 176 mm (6.9 in) across 17 days, and higher humidity at 90%. For more detailed insights, check out Ito weather in August.
In January, the weather is cool with temperatures ranging from a chilly -2°C (29°F) to a mild 18°C (64°F), accompanied by an average rainfall of 68 mm (2.7 in) over just five days and a relatively high humidity of 76%. In contrast, September showcases a much warmer climate, with temperatures varying from a comfortable 15°C (60°F) to a hot 33°C (91°F). Rainfall significantly increases during this month, totaling 221 mm (8.7 in) over 20 days, and the humidity rises to 86%. For a more detailed look at September's conditions, you can visit Ito weather in September.
In January, the weather is noticeably cooler, with temperatures ranging from a chilly -2°C (29°F) at night to a milder average of 7°C (44°F) during the day, peaking at 18°C (64°F). There is relatively low precipitation, with only 68 mm (2.7 in) recorded over 5 days, and humidity sits at 76%. In contrast, October offers a much warmer climate, with minimum temperatures of 11°C (52°F) and an average of 19°C (66°F), reaching highs of 29°C (84°F). However, October is also a wetter month, experiencing 305 mm (12.0 in) of rain spread over 16 days and a higher humidity level of 83%. For more details on October weather, check Ito weather in October.
In January, the weather tends to be cooler, with average temperatures ranging from a minimum of -2°C (29°F) to a maximum of 18°C (64°F) and an average of 7°C (44°F). The month sees about 68 mm (2.7 in) of precipitation over approximately five days, accompanied by a humidity level of 76%. In contrast, November experiences milder temperatures, with a minimum of 3°C (38°F) and a maximum of 22°C (72°F), averaging 14°C (58°F). Precipitation is higher in November at 94 mm (3.7 in), occurring over 10 days, and humidity slightly rises to 80%. For more details, check out Ito weather in November.
In comparing the weather of January and December, January generally experiences cooler temperatures, with an average of 7°C (44°F) compared to December's warmer average of 9°C (49°F). The minimum temperature in January can drop to -2°C (29°F), while December has a minimum of 0°C (32°F). Both months have similar levels of precipitation, with January receiving 68 mm (2.7 in) over 5 days and December slightly higher at 74 mm (2.9 in) over 8 days. Humidity levels are relatively high in both months as well, with January at 76% and December at 78%. For more specific details on December weather, you can refer to Ito weather in December.
January in Ito presents a spectacular contrast to the warmer months typically found in this coastal city. With temperatures that can dip to a chilly -2°C and an average colder feel, the winter season showcases an entirely different ambience. While humidity levels remain high at 76%, making the air crisp, the month also sees moderate precipitation with about 68 mm falling over just 5 days. This combination of factors not only differentiates January's climate from the rest of the year but also emphasizes its unique charm as a tranquil winter retreat. For more insights on Ito's yearly climate patterns, visit Ito Climate.