Last updated: August 21, 2025
January in Hachinohe, Japan presents a chilly atmosphere with average temperatures hovering around -1°C (31°F). Daily highs can reach a maximum of 8°C (47°F), while the mercury dips to a brisk minimum of -12°C (11°F) at times. This winter month sees 45 mm (1.8 in) of precipitation spread across 8 days, contributing to a notably 79% humidity, enhancing the crispness in the air. Visitors should prepare for dynamic weather patterns, making it a month of unique experiences in this coastal city.
January in Hachinohe, Japan, typically experiences a chilly atmosphere, with temperatures ranging from a minimum of -12°C (11°F) to a maximum of 8°C (47°F). The average temperature hovers around -1°C (31°F), marking it as one of the coldest months of the year. This stark cold is reflective of the lingering winter chill, transitioning from December's lows. As the month progresses into February, temperatures show only a slight warming, maintaining a similar pattern with averages just above freezing. The gradual increase in temperature leads to the more temperate months of March and April, where the region begins to thaw and awaken to milder conditions. This trend indicates that while January is frigid, it sets the stage for the spring bloom that follows in the coming months.
In January, Hachinohe experiences a moderate precipitation level of 45 mm (1.8 in) over approximately 8 days, setting the tone for the winter months. As the year progresses, precipitation gradually increases, peaking in the late summer and early autumn, with August and October recording the highest amounts at 151 mm (5.9 in) and 152 mm (6.0 in), respectively. This rising trend in rainfall not only indicates the shift towards a more humid climate but also underscores the fluctuations typical of Hachinohe's weather patterns. Notably, January's relatively low precipitation is followed by a steady climb in the coming months, highlighting a transition from the drier, colder winter to the wetter, warmer seasons. As spring approaches, April shows the most significant leap, reaching 101 mm (4.0 in), paving the way for a vibrant life as nature awakens.
January in Hachinohe, Japan, boasts a typical humidity level of 79%, setting the stage for the city’s cooler, though still moist, winter months. As the year progresses, humidity shows a slight decline in February and March, dipping to 78% and 77% respectively. However, as spring transitions into summer, humidity levels steadily climb, peaking in the warmer months of June and August, where they reach a steamy 91% and 97%. This increase highlights Hachinohe's shift to a more tropical atmosphere, particularly in July and August, the height of summer. As autumn arrives, humidity begins to taper off once again, settling at 81% in October and stabilizing around 78% through the winter months of November and December. Overall, the humidity trends in Hachinohe reflect the city’s seasonal transitions, characterized by a clear rise during the warm months and a moderate decline throughout the colder season.
In Hachinohe, Japan, January presents a relatively mild UV Index of 2, categorized as low, allowing for an outdoor burn time of up to 45 minutes. As the months transition into spring, UV levels gradually rise, reaching 3 in February, signaling a moderate risk with a burn time of 30 minutes. By March, the UV Index escalates to 6, indicating a high exposure category that significantly reduces safe sun exposure to just 25 minutes. The UV Index peaks in the summer months, hitting extremes of 10 in June and July, where careful attention is essential, as the burn time shrinks to a mere 15 minutes. August marks a slight increase to 11, categorized as extreme, before tapering off in the fall months. As winter reapproaches, both November and December return to low values of 4 and 2, respectively, with longer burn times of 30 and 45 minutes again. This pattern highlights the importance of monitoring UV levels throughout the year for safe outdoor enjoyment. For detailed insights on UV exposure in the region, explore the Hachinohe UV Index.
UV Risk Categories
In Hachinohe, Japan, January greets the year with a modest 159 hours of sunshine, setting the stage for a gradual increase in brightness as winter transitions into spring. As February rolls in, sunlight rises to 208 hours, heralding the promise of blooming days ahead. By March, residents revel in a significant jump to 255 hours, with the warmth of April nudging this figure further to 267 hours. The sunniest months arrive in late spring, peaking at 296 hours in May, before the summer shines a little less intensely, maintaining a robust 281 hours in June. This pattern continues through the summer months of 274 hours in July and 253 hours in August. As autumn creeps in, sunlight starts to taper off, dropping to 202 hours in November and finally settling at 195 hours in December. The yearly trend showcases a delightful rhythm of sun-drenched days, inviting residents to embrace the seasonal transformations.
In Hachinohe, Japan, January offers a 47% chance of sunny weather, making it an appealing month for those who enjoy brighter days amidst the winter chill. This likelihood is slightly lower than February's 51%, which marks the peak of sunny prospects in the early year. Interestingly, the chances of sun dip in March to 38% before rebounding in April to 46%, revealing a slight trend of fluctuating weather patterns. As the year progresses into the warmer months, the chances of sun decrease significantly, with July and August showcasing the least sunshine at only 32% and 24% respectively. Overall, January stands out with its relatively favorable odds, hinting at the winter sun that many eagerly await.
In Hachinohe, Japan, the progression of daylight duration across the months reveals a beautiful transition from the deep winter of January to the lively spring and summer. Starting the year, January offers a modest 9 hours of daylight, gradually increasing to 10 hours in February. As spring approaches in March, the days lengthen to 11 hours, culminating in a vibrant 13 hours by April. This trend continues, peaking at 15 hours in June, where the long, sunlit days invite outdoor activities. However, as summer wanes, daylight begins its gentle decline, dropping to 14 hours in July and 13 hours in August, before returning to 12 hours in September. The cycle continues, bringing back shorter days with just 9 hours of daylight in both November and December, mirroring January's quiet beginnings. This rhythmic ebb and flow of light not only shapes the experience of each season but also enriches the cultural tapestry of life in Hachinohe throughout the year.
In Hachinohe, Japan, January experiences an average wind speed of 4.8 m/s (11 mph), setting a brisk tone for the winter month. This wind speed is notably consistent with December's conditions, suggesting a continuous chill in the air that transitions smoothly from the end of the year. As the season progresses into February, the winds pick up slightly to an average of 5.3 m/s (12 mph), hinting at a bit more vigor before they ease off in March and April, where they drop to approximately 4.4 m/s (10 mph) and 4.3 m/s (10 mph), respectively. This trend indicates a yearly cycle where the peak windiness occurs early in the year, gradually declining as spring approaches. By May, the average wind speed lowers to 3.8 m/s (8 mph), and the gentle breezes continue through the summer months, reflecting a softer atmospheric rhythm that characterizes Hachinohe's climate.
Weather in Hachinohe varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Hachinohe, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February both experience chilly temperatures, with January averaging around -1°C (31°F) and February slightly warmer at 0°C (32°F). The minimum temperatures are consistent in both months, dipping to -12°C (11°F). However, February sees a higher maximum temperature of 12°C (54°F) compared to January's 8°C (47°F). Additionally, February tends to be wetter, with 63 mm (2.5 in) of precipitation over 11 days, while January has only 45 mm (1.8 in) over 8 days. Humidity remains similar, with January at 79% and February at 78%. For more detailed information, check Hachinohe weather in February.
In January, Hachinohe experiences frigid temperatures, with a minimum of -12°C (11°F) and an average of -1°C (31°F), while precipitation is relatively low at 45 mm (1.8 in) over 8 days. The weather is characterized by a high humidity level of 79%, contributing to the overall chill. In contrast, March ushers in a significant warming trend, with temperatures ranging from a minimum of -11°C (12°F) to an average of 5°C (41°F) and reaching a pleasant maximum of 20°C (69°F). However, this month sees increased precipitation, totaling 83 mm (3.3 in) over 12 days, with humidity slightly lower at 77%. For more details on the weather in March, visit Hachinohe weather in March.
January and April present striking contrasts in weather patterns. In January, temperatures range from a chilling -12°C (11°F) at night to a slightly warmer max of 8°C (47°F) during the day, with an average temperature of -1°C (31°F). The month experiences about 45 mm (1.8 in) of precipitation over approximately 8 days, accompanied by a high humidity rate of 79%. In contrast, April brings a much milder climate, with temperatures ranging from -4°C (26°F) at night to a pleasant 25°C (78°F) during the day, averaging around 9°C (49°F). Precipitation increases significantly to 101 mm (4.0 in), occurring on about 14 days, while humidity stays similar at 78%. For more details, you can refer to Hachinohe weather in April.
January and May present starkly contrasting weather conditions. In January, temperatures can plummet to a minimum of -12°C (11°F), with an average of -1°C (31°F) and a high of 8°C (47°F), accompanied by 45 mm (1.8 in) of precipitation over about 8 days and a humidity level of 79%. In contrast, May offers a much milder climate, with temperatures ranging from a low of 5°C (41°F) to a warm average of 15°C (60°F) and peaks reaching up to 32°C (90°F). Precipitation increases to 93 mm (3.6 in) across 11 days, and humidity rises slightly to 86%. For more details on May weather, you can check Hachinohe weather in May.
In January, the weather is quite cold, with temperatures ranging from a minimum of -12°C (11°F) to a maximum of 8°C (47°F), averaging around -1°C (31°F). It experiences moderate precipitation totaling 45 mm (1.8 in) over about 8 days, coupled with a humidity level of 79%. In contrast, June brings much warmer conditions, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 30°C (87°F), averaging around 18°C (65°F). The month sees increased precipitation at 96 mm (3.8 in) spread over 12 days, and humidity rises to 91%. For a more detailed look at the June weather patterns, you can check this link: Hachinohe weather in June.
January and July present a dramatic contrast in weather conditions. In January, temperatures range from a chilling -12°C (11°F) to a slightly warmer max of 8°C (47°F), with an average of -1°C (31°F). The month sees about 45 mm (1.8 in) of precipitation over 8 days, paired with a relatively high humidity of 79%. In stark contrast, July enjoys much milder temperatures, with a minimum of 14°C (57°F) and an average of 22°C (73°F), peaking at a scorching 35°C (95°F). This summer month experiences significantly more rainfall at 123 mm (4.8 in) over 13 days, and humidity climbs to a high 95%. For more details on July weather, you can check Hachinohe weather in July.
January and August exhibit strikingly different weather patterns. In January, temperatures can drop as low as -12°C (11°F), with an average of -1°C (31°F) and a maximum of 8°C (47°F). This month experiences relatively low precipitation, totaling 45 mm (1.8 in) over 8 days, accompanied by a humidity level of 79%. In contrast, August offers a much warmer climate, with minimum temperatures around 14°C (57°F) and soaring to an average of 24°C (75°F) and a maximum of 35°C (95°F). This summer month is significantly wetter, with 151 mm (5.9 in) of rainfall spread over 14 days and a higher humidity level of 97%. For more details on August weather, visit Hachinohe weather in August.
The weather in January is characterized by chilly temperatures, with a minimum of -12°C (11°F) and an average of -1°C (31°F), while September enjoys much warmer conditions, with a minimum of 8°C (46°F) and an average temperature reaching 20°C (69°F). January sees a maximum temperature of 8°C (47°F) and experiences lower humidity at 79%, compared to September's higher humidity level of 89% and a maximum temperature that can soar to 32°C (90°F). Precipitation is also notable; while January has about 45 mm (1.8 in) over 8 days, September receives significantly more rainfall, totaling 100 mm (3.9 in) over 11 days. For more detailed information, visit Hachinohe weather in September.
In January, the weather is quite cold, with temperatures ranging from a frigid -12°C (11°F) at night to a high of only 8°C (47°F) during the day. This month experiences moderate precipitation, averaging around 45 mm (1.8 in) over 8 days, and the humidity hovers at 79%. In contrast, October brings a milder climate with minimum temperatures at 3°C (38°F) and a maximum of 28°C (83°F), resulting in an average temperature of 14°C (58°F). However, October is notably wetter, receiving 152 mm (6.0 in) of rain over 10 days and slightly higher humidity at 81%. For more details on October weather, you can explore Hachinohe weather in October.
January weather is typically much colder than November, with temperatures ranging from a minimum of -12°C (11°F) to a maximum of 8°C (47°F). In contrast, November enjoys milder temperatures, with a minimum of -4°C (25°F) and a high that can reach up to 21°C (70°F). Both months see similar precipitation levels, with January at 45 mm (1.8 in) and November slightly less at 43 mm (1.7 in), and both months experience about 8 days of rain. Humidity levels are also comparable, with January at 79% and November at 78%. For those interested in the specifics, you can learn more about Hachinohe weather in November.
In comparison to December, January tends to be slightly colder, with average temperatures ranging from -12°C (11°F) to a maximum of 8°C (47°F), while December sees temperatures from -10°C (15°F) to a warmer maximum of 16°C (61°F). Precipitation is somewhat lower in January, with 45 mm (1.8 in) of rainfall over 8 days compared to 57 mm (2.2 in) over 9 days in December. Both months experience high humidity, though January's average is just a bit higher at 79% compared to December's 77%. For more specific insights on December weather in the region, visit Hachinohe weather in December.
January in Hachinohe presents a stark contrast to other months, characterized by its chilly temperatures and pronounced winter conditions. With average temperatures hovering around -1°C and the potential to dip as low as -12°C, this month embodies the essence of winter. Moreover, January experiences higher humidity levels and a notable amount of precipitation, resulting in frequent cloudy days. While the snow may create a picturesque backdrop, the cold and damp atmosphere makes it distinctively different from the milder months preceding and following it. For a deeper understanding of how Hachinohe's climate shifts throughout the year, explore Hachinohe Climate.