Last updated: August 21, 2025
In January, Hakone, Japan, experiences a wide range of temperatures, with maximums reaching up to 17°C (63°F) and minimums dropping to -7°C (19°F), creating a unique winter atmosphere. The average temperature settles around 4°C (39°F), providing chilly yet refreshing conditions. This month typically sees about 69 mm (2.7 in) of precipitation over approximately 8 days, making it an ideal time for visitors to enjoy the serene beauty of the region, albeit accompanied by a humid environment at 76%. Embrace the crisp air and the picturesque landscapes that Hakone has to offer during this enchanting season!
In January, Hakone, Japan, experiences a notable chill, with temperatures dipping as low as -7°C (19°F) at night. The average daytime temperature hovers around 4°C (39°F), making it a brisk month ideal for cozy winter activities. Remarkably, the mercury can rise to a pleasant 17°C (63°F) during the warmer afternoons, providing glimpses of the beauty of winter landscapes. This transitional month sets the stage for a gradual warming trend as Hakone moves into February and March, where minimum temperatures slowly rise and daytime averages climb, ultimately paving the way for the more vibrant springs ahead. Overall, January can be characterized as a time of crisp air and stunning winter scenery, perfect for those seeking the serene beauty of a Japanese winter.
In January, Hakone experiences a moderate level of precipitation, with a total of 69 mm (2.7 in) falling over just 8 days. This early winter month marks the beginning of a trend toward increased rainfall, as the region transitions into its wetter months. While January’s precipitation is relatively light compared to the heavy downpours that follow, it sets the stage for a significant uptick in February, where precipitation rises to 83 mm (3.3 in) over 11 days. This pattern continues, culminating in the much wetter late spring and summer months, reinforcing Hakone's reputation for lush landscapes that thrive on seasonal rainfall.
In January, Hakone, Japan experiences a notable humidity level of 76%, setting the stage for a cool, crisp winter ambiance. As the months transition, humidity gradually decreases to 74% in February and 70% in March, offering a brief respite before it begins to rise again. By April, the levels bounce back to 74%, and the onset of spring ushers in a significant increase, with humidity peaking at 93% in July. This trend indicates a strong correlation between the warmer months and increased moisture, maintaining a humid atmosphere through August and September before tapering off in the fall. The year closes with December at 78%, ensuring that Hakone remains enveloped in a distinctly humid character throughout the seasons.
In January, Hakone, Japan experiences a moderate UV Index of 4, allowing for a burn time of about 30 minutes under direct sunlight. As the months progress, there is a noticeable increase in UV intensity: February sees the index rising to 6, marking the beginning of a high exposure period. March and April amplify this trend with indices of 8 and 10, respectively, both categorized as very high, which significantly reduces safe exposure time to just 15 minutes. By May, the UV Index escalates further to an extreme 11, demanding even more caution with a burn time of only 10 minutes. This level remains consistent through June and July, before tapering slightly in the fall months. Overall, the evolving UV Index in Hakone highlights the importance of sun protection as winter transitions into spring and summer. For more details on the UV Index throughout the year, visit Hakone UV Index.
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In January, Hakone experiences a serene embrace of 189 hours of sunshine, setting the tone for the year. As winter fades, the days gradually lengthen, leading to 225 hours in February and a delightful increase to 249 hours by March. The arrival of spring in April brings even more brightness with 260 hours, culminating in May when the sunshine peaks at 282 hours. This upward trend continues into the summer months, where June sees a slight dip to 253 hours, followed by 229 hours in July. As summer wanes, August impresses with 285 hours of radiant sunshine, before transitioning into autumn with 236 hours in September. The year rounds off as the days shorten—201 hours in October, 223 hours in November, and 227 hours in December. Overall, this pattern of increasing sunshine until mid-year showcases Hakone's charm, highlighting the region's transition from the quiet winter into a vibrant summer.
In January, Hakone, Japan, enjoys a moderate 57% chance of sunny weather, making it a delightful time for outdoor exploration. This percentage stands out when compared to the subsequent months in winter, indicating a slight dip in sunshine as the year progresses, with February boasting an even brighter 65%. Interestingly, as spring approaches, the likelihood of sunny days drops considerably to just 35% in March. This upward and downward trend reveals that, while winter may offer more sunny spells than later spring and summer months, the sunny allure of Hakone begins to wane as warmer temperatures arrive. Hence, January offers a perfect opportunity for visitors to enjoy the beautiful landscapes under a sunlit sky before the clouds roll in.
In January, Hakone experiences a modest 10 hours of daylight, a consistent feature that carries into February. As spring approaches in March, daylight gradually increases to 11 hours, hinting at the vibrant life that is soon to awaken. By April, days lengthen significantly, offering 13 hours of sunlight as nature begins to flourish, peaking in May and June with 14 hours each—the longest days of the year. As summer yields to autumn, the daylight hours gradually wane; August sees a slight decline to 13 hours, followed by a decrease to 12 hours in September. The transition into fall continues with 11 hours in October and a return to 10 hours by November, while December draws in with just 9 hours, wrapping the year in cozy twilight. This rhythmic ebb and flow of daylight beautifully encapsulates the seasonal changes in Hakone.
In January, Hakone experiences a gentle breeze, with an average wind speed of 1.9 m/s (4 mph), setting a tranquil tone for the month. This wind pattern remains consistent throughout the winter months, with February seeing a slight uptick to 2.1 m/s (5 mph). Transitioning into the spring, the winds stabilize at 1.9 m/s (4 mph) from March to April, promoting a peaceful ambiance, perfect for enjoying the region's stunning landscapes. As spring blossoms into summer, a subtle increase in wind speeds to 2.1 m/s (5 mph) in May brings a refreshing touch to the warmer days. However, as the summer heat peak in July is met with a decrease to 1.4 m/s (3 mph), it suggests a calm reprieve from the vibrant activity of the season. Throughout the rest of the year, wind speeds generally hover between 1.5 m/s (3 mph) and 1.9 m/s (4 mph), illustrating a soothing and consistent breeze that enhances Hakone's serene charm.
Weather in Hakone varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Hakone, focusing on differences in temperature, rainfall, humidity, and UV levels.
January weather is characterized by cooler temperatures, with a minimum of -7°C (19°F) and an average of 4°C (39°F), while February sees a slight increase, with a minimum of -6°C (21°F) and an average of 5°C (41°F). Both months experience occasional precipitation, but February is wetter, accumulating 83 mm (3.3 inches) over 11 days compared to January's 69 mm (2.7 inches) across 8 days. Additionally, humidity remains relatively similar between the two months, with January at 76% and February slightly lower at 74%. For a closer look at February's weather specifics, you can refer to Hakone weather in February.
In comparing the weather between January and March, it's evident that March brings slightly milder temperatures, with average highs reaching 22°C (72°F) compared to January's maximum of 17°C (63°F). While January starts the year with a chill, featuring a minimum temperature of -7°C (19°F), March only dips slightly lower to -6°C (22°F). Additionally, March experiences significantly more precipitation, totaling 202 mm (7.9 in) over 15 days, in contrast to January's 69 mm (2.7 in) across 8 days, contributing to a somewhat higher humidity level of 70% in March. For those interested in the specifics of March’s weather, please refer to Hakone weather in March.
January and April exhibit distinct differences in weather patterns. In January, temperatures range from a minimum of -7°C (19°F) to a maximum of 17°C (63°F), with an average of 4°C (39°F). The month sees about 69 mm (2.7 in) of precipitation over 8 days, coupled with a humidity level of 76%. In contrast, April experiences notably warmer conditions, with temperatures ranging from -1°C (31°F) to 25°C (78°F) and an average of 12°C (55°F). This month also sees higher precipitation at 173 mm (6.8 in) over 14 days, along with slightly lower humidity at 74%. For more information on weather specifics, you can check Hakone weather in April.
January and May present strikingly different weather conditions. In January, temperatures range from a chilly -7°C (19°F) to a mild 17°C (63°F), with an average of 4°C (39°F). The month sees around 69 mm (2.7 in) of precipitation over approximately 8 days, accompanied by a humidity level of 76%. In contrast, May experiences much warmer weather, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 30°C (86°F), resulting in a comfortable average of 17°C (63°F). However, May also brings increased precipitation, totaling 180 mm (7.1 in) over about 14 days and slightly higher humidity at 81%. For more details on conditions during this month, check out Hakone weather in May.
In comparing the weather between January and June, we see a stark contrast in temperature and precipitation. January experiences much colder conditions, with average temperatures hovering around 4°C (39°F) and lows reaching as low as -7°C (19°F). In contrast, June brings warmth, with average temperatures rising to 20°C (69°F) and highs peaking at 30°C (86°F). Additionally, June is significantly wetter, receiving 234 mm (9.2 in) of precipitation across 18 days, compared to January's 69 mm (2.7 in) over just 8 days. The humidity also increases from January's 76% to June's 88%, contributing to a more humid atmosphere in the summer months. For those interested in the specific weather conditions in Hakone during June, more details can be found at Hakone weather in June.
When comparing the weather in January and July, it's clear that the two months present stark contrasts. January features a chilly climate, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 17°C (63°F), while the average temperature hovers around 4°C (39°F). This winter month sees a total precipitation of 69 mm (2.7 in) spread over about 8 days, accompanied by a humidity level of 76%.
In contrast, July offers a warm and humid atmosphere, with temperatures varying between 17°C (62°F) and a sweltering maximum of 34°C (93°F), leading to an average temperature of 24°C (76°F). This summer month experiences significantly higher precipitation at 321 mm (12.6 in), occurring over roughly 20 days and brings a humidity level soaring to 93%. For further details on the weather in July, you can visit Hakone weather in July.
January and August present stark contrasts in weather. January typically sees temperatures ranging from a chilly -7°C (19°F) at night to a mild maximum of 17°C (63°F) during the day, with an average of 4°C (39°F). This month experiences relatively low precipitation, totaling 69 mm (2.7 in) over about 8 days, and the humidity averages around 76%. In contrast, August brings much warmer temperatures, with a minimum of 17°C (63°F), an average of 26°C (79°F), and maximums reaching up to 35°C (95°F). The summer month is significantly wetter, with 198 mm (7.8 in) of rain spread over 18 days and higher humidity at 90%. For more insights on the weather during this month, check out Hakone weather in August.
In January, the weather is much colder, with temperatures ranging from a frigid minimum of -7°C (19°F) to a mild maximum of 17°C (63°F), and an average of 4°C (39°F). This month sees approximately 69 mm (2.7 in) of precipitation over about 8 days, coupled with a humidity level of 76%.
In contrast, September experiences significantly warmer conditions, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 33°C (91°F) and an average of 22°C (72°F). The month is notably wetter, with 242 mm (9.5 in) of rainfall spread over 21 days and a higher humidity of 86%.
For more detailed information, you can check Hakone weather in September.
January and October present stark contrasts in weather conditions. In January, temperatures can drop as low as -7°C (19°F) and typically average around 4°C (39°F), with a maximum reaching 17°C (63°F). The month sees approximately 69 mm (2.7 in) of precipitation over about 8 days, coupled with a humidity level of 76%. On the other hand, October experiences much milder conditions, where temperatures begin at a minimum of 7°C (45°F), average 17°C (62°F), and can peak at 30°C (87°F). This month is also much wetter, recording 360 mm (14.2 in) of precipitation over 19 days, with humidity rising to 83%. For a more detailed look at October weather, you can visit Hakone weather in October.
January and November present notably different weather conditions. In January, temperatures range from a chilling minimum of -7°C (19°F) to a maximum of 17°C (63°F), with an average of around 4°C (39°F). The month witnesses 69 mm (2.7 in) of precipitation over 8 days, accompanied by a relatively high humidity of 76%. In contrast, November enjoys milder weather, with temperatures ranging from 1°C (34°F) to 22°C (71°F), averaging 12°C (53°F). The month sees more rain, totaling 102 mm (4.0 in) over 13 days, and higher humidity at 80%. For a closer look at November weather, visit Hakone weather in November.
In comparing the weather between January and December, January generally experiences slightly colder temperatures, with a minimum of -7°C (19°F) compared to December's minimum of -3°C (27°F). The average temperature in January is around 4°C (39°F), while December averages a bit warmer at 6°C (44°F). When it comes to maximum temperatures, January peaks at 17°C (63°F), whereas December can reach up to 21°C (69°F). Precipitation levels are also noteworthy, with January receiving 69 mm (2.7 in) over approximately 8 days, slightly less than December's 79 mm (3.1 in) across 11 days. Humidity levels are comparable, with January at 76% and December a touch higher at 78%. For more details on the weather specifics, you can check out Hakone weather in December.
In January, Hakone experiences a distinct shift in weather compared to other months, marked by its crisp chill and occasional snowfall. With temperatures averaging around 4°C (39°F) and dipping to lows of -7°C (19°F), this month is notably cooler than the milder seasons. The occasional* precipitation, totaling 69 mm (2.7 in) over about eight rainy days, contributes to the landscape's serene beauty, while humidity levels hover at a brisk 76%. For those looking to explore this winter wonderland, understanding the nuances of January's climate is essential. To learn more about the weather patterns throughout the year, visit Hakone Climate.