January Weather in Hirosaki, Japan

Last updated: August 21, 2025

January in Hirosaki, Japan offers a crisp winter experience, characterized by average temperatures hovering around -3°C (28°F). During this month, temperatures can fluctuate significantly, reaching a maximum of 5°C (42°F) and dipping as low as -17°C (2°F). The region receives 84 mm (3.3 in) of precipitation spread over 18 days, contributing to a winter wonderland atmosphere. With a humidity level of 79%, visitors can expect a chilly yet enchanting month, perfect for embracing the beauty of Japan's snowy landscapes.

January Temperature in Hirosaki

In January, Hirosaki, Japan, experiences some of its coldest temperatures of the year, with minimums plummeting to a frosty -17°C (2°F) and an average hovering around -3°C (28°F). The chilly air allows for a maximum of just 5°C (42°F), creating a stark winter landscape that beckons warm clothing and cozy indoors. As the month transitions into February, temperatures remain frigid, though slightly milder, with minimums of -13°C (9°F) and average temperatures inching closer to the zero mark at -2°C (29°F). The gradual warming trend continues into March, where temperatures begin to rise, breaking the freezing barrier to reach an average of 2°C (36°F). This shift signals the slow but welcome onset of spring as the region shifts from the biting cold of winter toward the blooming beauty of cherry blossoms and warmer days ahead.

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

The chart illustrates January temperature patterns in Hirosaki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hirosaki, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec272836455764727366544331
Data source: Temperature data for Hirosaki 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 Hirosaki

January in Hirosaki, Japan, experiences a moderate level of precipitation, totaling 84 mm (3.3 in) over roughly 18 days. This sets the stage for the winter months, where precipitation tends to increase, peaking in February at 116 mm (4.6 in). As spring approaches, March sees a slight decline in both precipitation amount and days, with 112 mm (4.4 in) over 17 days. The trend suggests that while January is relatively dry compared to the following months, it serves as a precursor to the wetter conditions that follow, with April and June both surpassing 129 mm as the seasonal rains intensify, particularly leading into the summer. This pattern illustrates Hirosaki's transition from the cold winter climes to a lush, vibrant spring and summer, characterized by increased rainfall.

January Precipitation Trends in Hirosaki

The chart displays monthly precipitation patterns in Hirosaki, 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. In Hirosaki, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec84116112129111141152183140175115133
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Hirosaki

In January, Hirosaki experiences a humidity level of 79%, setting the tone for the typically moist winter months. As the year transitions into February and March, humidity slightly decreases to 78% and 77%, respectively, offering a brief respite in the chilly air. However, as spring approaches in April, humidity rebounds to 78%, hinting at the approaching bloom of nature. The real surge occurs in late spring and summer, where May sees a rise to 86%, culminating in the sweltering heights of 97% in August. This peak in humidity signals a steamy summer, only to ease slightly in September at 89%. As autumn rolls in, humidity levels begin to stabilize, dropping to 81% in October before returning to a more subdued state by December at 77%. Overall, Hirosaki's humidity exhibits a clear seasonal pattern, with winter remaining relatively damp and summer reaching its peak moisture levels, shaping the region's distinct climate.

January Average Humidity in Hirosaki

This chart illustrates the average monthly humidity levels in Hirosaki, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Hirosaki is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%77%78%86%91%95%97%89%82%78%77%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Hirosaki

In January, Hirosaki experiences a moderate UV Index of 3, indicating a burn time of 30 minutes under direct sunlight. As the months progress, the UV Index steadily escalates, reaching 4 in February before surging to 6 in March, where sun exposure becomes significantly more serious with a reduced burn time of 25 minutes. By April, the UV Index peaks at 8, marking the start of the very high exposure category, maintaining this level into May and June with an impressive high of 10. The trend continues, with August reaching an extreme level of 11, urging a sharp decrease in safe sun exposure to just 10 minutes. As autumn approaches, the UV Index dips back to 6 in October and revisits a moderate level of 4 in November, before falling to a low 2 in December, where burn times stretch to 45 minutes. This seasonal fluctuation highlights the importance of monitoring UV levels year-round. For more detailed information, visit Hirosaki UV Index.

Maximum UV Index Levels in Hirosaki for January

The chart shows the monthly maximum UV Index (UVI) for Hirosaki 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. In January, the maximum UV index in Hirosaki typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891010119642
Data source: Hirosaki 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 Hirosaki

In Hirosaki, Japan, the sun begins to make its presence felt in January, illuminating the winter landscape with 153 hours of sunshine. As the months progress, the light steadily increases, peaking in July with an impressive 316 hours. This sunny summer draws locals and tourists alike to enjoy the vibrant festivities and natural beauty. Following July, sunshine slightly tapers off but remains abundant, with August recording 299 hours. The autumn months continue to showcase a delightful balance of sunlight, with September offering 266 hours, before the days shorten further in the cooler months of October and November. By December, Hirosaki wraps up the year with 180 hours of sunshine, marking a gentle transition back into winter. This gradual increase in daylight throughout the year highlights a beautiful interplay between seasonal changes and the sun's embrace over this charming city.

Monthly Sunshine Duration in Hirosaki: January Highlighted

The January sunshine duration represents the total number of hours Hirosaki 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.
JanFebMarAprMayJunJulAugSepOctNovDec153h196h250h276h306h298h316h299h266h227h194h180h
Data source: Hirosaki January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hirosaki During January

In Hirosaki, Japan, January greets winter with a modest 26% chance of sunny weather, making it one of the cooler months for clear skies. This trend of limited sunshine is notably contrasted with April, where the likelihood of sunny days rises significantly to 39%, heralding the arrival of spring. Interestingly, the sunniness seems to wane in the late summer months, notably in August, where the chance drops to a mere 19%. As the year progresses, February follows closely with a 31% chance of sun, while March hovers around 27%, suggesting an encouraging yet inconsistent pattern of sunshine as winter transitions into spring. Overall, while January maintains a relatively low probability of sunlight, the gradual increase in clear days leading into spring hints at the brighter days ahead.

Percentage of Sunny Days in January in Hirosaki

The chart illustrates the percentage of sunny days in Hirosaki 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 Hirosaki experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%31%27%40%24%30%33%19%31%34%28%23%
Data source: Hirosaki January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hirosaki in January

In Hirosaki, Japan, January greets residents with 9 hours of daylight, setting the stage for a gradual increase in light as winter fades. February brings a welcome shift to 10 hours, hinting at the approach of spring. As the months progress, daylight duration steadily climbs, peaking in June with 15 hours, providing ample time to enjoy the lush greenery and vibrant festivals of summer. However, as July rolls into August, daylight begins to dwindle slightly, dropping back to 13 hours. The trend continues into the fall and winter months, with daylight receding to 11 hours in October, and settling back to 9 hours by December. This rhythmic ebb and flow of daylight marks the natural progression of the seasons in Hirosaki, inviting both reflection and anticipation as each month unfolds.

Average Daylight Hours in Hirosaki for January

The chart illustrates the variation in daylight duration in Hirosaki throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 37m10h 38m11h 56m13h 17m14h 26m15h14h 43m13h 43m12h 26m11h 5m9h 55m9h 18m
Data source: Hirosaki daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Hirosaki

In January, Hirosaki experiences a brisk average wind speed of 3.0 m/s (7 mph), setting the tone for the cold winter months. As February rolls in, the winds pick up slightly to 3.6 m/s (8 mph), bringing a fresh chill to the air. However, by March, the gusts ease back to 2.9 m/s (7 mph), hinting at the gradual transition into spring. The subsequent months witness a downward trend, with April and May recording even milder breezes of 2.8 m/s and 2.6 m/s (6 mph), respectively. As summer arrives, the winds quiet down further, reaching lows of 1.8 m/s (4 mph) in July. Notably, the late summer and autumn months see a slight resurgence to a consistent 2.1 m/s (5 mph). This cycle closes with November and December, where the wind picks up again, returning to 2.5 m/s and 3.0 m/s (7 mph) respectively, framing the year with both calmness and invigorating freshness as Hirosaki prepares for the next winter.

Average January Wind Speed in Hirosaki

The chart displays monthly wind speed patterns in Hirosaki, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.0 m/s3.62.92.82.61.91.82.12.12.12.53.0
Data source: Hirosaki January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Hirosaki Compares to Other Months

Weather in Hirosaki varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Hirosaki, focusing on differences in temperature, rainfall, humidity, and UV levels.

January and February exhibit relatively similar winter characteristics, though there are noticeable differences in temperature and precipitation. In January, temperatures reach a minimum of -17°C (2°F) and average around -3°C (28°F), with a maximum of 5°C (42°F). The month sees about 84 mm (3.3 in) of precipitation over 18 days, accompanied by a humidity level of 79%. In contrast, February tends to be slightly milder, with minimum temperatures of -13°C (9°F) and an average temperature of -2°C (29°F), peaking at 8°C (46°F). However, rainfall increases to 116 mm (4.6 in) over 22 days, while the humidity remains comparable at 78%. For a detailed look at February weather patterns, you can visit Hirosaki weather in February.

In January, Hirosaki experiences a bitterly cold climate with temperatures ranging from a minimum of -17°C (2°F) to a maximum of 5°C (42°F), accompanied by an average temperature of -3°C (28°F). The month sees significant precipitation, totaling 84 mm (3.3 in) over about 18 days, and humidity levels are relatively high at 79%.

In contrast, March brings a noticeable warming trend, with temperatures increasing to a minimum of -11°C (13°F) and a maximum of 16°C (62°F), resulting in an average temperature of 2°C (36°F). Precipitation also rises to 112 mm (4.4 in) over 17 days, though humidity slightly decreases to 77%. For more specifics on March's weather conditions, you can refer to Hirosaki weather in March.

In January, the weather is notably colder, with minimum temperatures plummeting to -17°C (2°F) and an average temperature of -3°C (28°F). The month experiences approximately 84 mm (3.3 in) of precipitation over 18 days, combined with a high humidity level of 79%. In contrast, April brings a significant warming trend, featuring minimum temperatures of -6°C (21°F) and a pleasant average of 7°C (45°F), peaking at a maximum of 23°C (73°F). Although April sees increased precipitation at 129 mm (5.1 in) across 17 days, the slightly lower humidity at 78% marks a transition towards the milder spring season. For more detailed insights into the April weather, you can visit Hirosaki weather in April.

In January, Hirosaki experiences cold temperatures, with a minimum of -17°C (2°F) and an average of -3°C (28°F), reaching a maximum of 5°C (42°F). The month tends to be quite humid, with an average humidity of 79%, and it sees about 84 mm (3.3 in) of precipitation over 18 days. In contrast, May brings a significant warming trend, with temperatures ranging from a minimum of 2°C (36°F) to a comfortable maximum of 28°C (83°F) and an average of 14°C (57°F). Although May experiences slightly higher precipitation at 111 mm (4.4 in) over 13 days, the humidity rises to 86%. For a detailed overview of the May weather, you can check Hirosaki weather in May.

In January, the weather in Hirosaki is characterized by frigid temperatures, with a minimum of -17°C (2°F) and an average of -3°C (28°F), making it one of the coldest months of the year. The region experiences significant precipitation, totaling 84 mm (3.3 in) over 18 days, accompanied by a humidity level of 79%. In stark contrast, June brings much warmer conditions, with minimum temperatures of 6°C (43°F) and an average of 18°C (64°F), peaking at a high of 29°C (85°F). June also sees increased rainfall, measuring 141 mm (5.5 in) over 13 days and a slightly higher humidity of 91%. For a detailed look at the weather during this month, check out Hirosaki weather in June.

In January, the weather is frigid, with temperatures ranging from a chilly -17°C (2°F) at night to a maximum of 5°C (42°F) during the day. The month is characterized by moderate precipitation of 84 mm (3.3 in) over 18 days, coupled with a high humidity of 79%, contributing to a cold and damp atmosphere. Conversely, July brings a significant contrast, with temperatures soaring from a minimum of 13°C (56°F) to an average of 22°C (72°F) and a peak of 33°C (91°F). The month sees higher precipitation levels, with 152 mm (6.0 in) falling over 17 days and humidity reaching a steamy 95%, making it feel quite tropical. For more details, you can check Hirosaki weather in July.

In January, the weather is notably harsh, with temperatures plummeting to a minimum of -17°C (2°F) and averaging around -3°C (28°F). Precipitation is common, occurring on about 18 days, with a total of 84 mm (3.3 in) and the humidity sits at a brisk 79%. In stark contrast, August brings a warm embrace, with minimum temperatures of 13°C (55°F) and averages soaring to 23°C (74°F), reaching highs of up to 35°C (95°F). While it is still quite wet, with precipitation totaling 183 mm (7.2 in) over 17 days, the humidity rises significantly to 97%. For more information on August's weather in Hirosaki, you can visit this link: Hirosaki weather in August.

January and September present stark contrasts in weather conditions. In January, temperatures can plummet as low as -17°C (2°F) with an average of -3°C (28°F), while September enjoys a much warmer climate with averages reaching 19°C (66°F) and highs up to 34°C (93°F). Precipitation is also notable, with January receiving about 84 mm (3.3 inches) over 18 days, compared to September's higher total of 140 mm (5.5 inches) over just 14 days. Additionally, humidity levels in September peak at 89%, slightly surpassing January's 79%, adding to the overall warmth of the late summer month. For more detailed insights about conditions during September, visit Hirosaki weather in September.

In January, Hirosaki experiences a frigid winter climate, with temperatures ranging from a biting -17°C (2°F) at their lowest to a mildly cold max of 5°C (42°F), and an average temperature of -3°C (28°F). The month sees considerable precipitation of 84 mm (3.3 in) over 18 days, contributing to a high humidity level of 79%. In stark contrast, October boasts a much milder climate, with minimum temperatures of 1°C (33°F) and a comfortable average of 12°C (54°F); daytime highs can reach a pleasant 25°C (78°F). While October has a higher total precipitation of 175 mm (6.9 in) over just 14 days, the humidity remains similar at 81%. For more details on October weather patterns, check out Hirosaki weather in October.

January and November present quite distinct weather experiences. January features colder temperatures with a minimum of -17°C (2°F) and an average temperature of -3°C (28°F), while November enjoys milder conditions, with a minimum of -10°C (15°F) and an average of 6°C (43°F). Precipitation levels are also notable; January receives around 84 mm (3.3 in) over 18 days, compared to November's higher total of 115 mm (4.5 in) over 17 days, indicating a wetter month. Humidity levels are similar, with January at 79% and November at 78%, but the overall feel of the weather is much more temperate in November. For more details on November weather, you can check Hirosaki weather in November.

In comparing the weather between January and December, January tends to be colder, with temperatures ranging from a minimum of -17°C (2°F) to a maximum of 5°C (42°F), and an average of -3°C (28°F). In contrast, December experiences milder temperatures, with a minimum of -10°C (14°F) and a maximum of 12°C (55°F), averaging at -1°C (31°F).

December also sees higher precipitation levels, totaling 133 mm (5.2 in) across 25 days, compared to January's 84 mm (3.3 in) over 18 days of precipitation. Humidity levels are fairly similar, with January at 79% and December slightly lower at 77%. For more detailed information on December weather patterns, you can visit Hirosaki weather in December.

Compare Hirosaki's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Hirosaki

January in Hirosaki brings a distinct chill that sets it apart from other months, with temperatures averaging well below freezing and frequent snowfall contributing to the landscape's wintry charm. The high humidity of 79% and substantial precipitation across 18 days add to the frosty atmosphere, making this month feel particularly cold and damp compared to the milder conditions experienced in spring and autumn. For those braving the winter wonderland, January offers a unique glimpse into Hirosaki's climate. Discover more about what to expect throughout the year at Hirosaki Climate.