Last updated: August 21, 2025
April in Hakone, Japan, showcases a dynamic blend of springtime beauty and variability. With maximum temperatures reaching 25°C (78°F) and an average of 12°C (55°F), the weather begins to warm up, inviting visitors to explore its lush landscapes. However, chilly nights can dip as low as -1°C (31°F), reminding all to pack accordingly. Rainfall is also a significant aspect of this month, with 173 mm (6.8 in) of precipitation spread over 14 days, contributing to the region's rich greenery. Coupled with a 74% humidity level, the air feels rejuvenating yet is often tinged with mist, creating an enchanting atmosphere for those experiencing the captivating charms of Hakone.
April marks a vibrant transition in Hakone, Japan, as temperatures begin to rise, paving the way for the blossoming of spring. With minimums around -1°C (31°F) and maximums peaking at a pleasant 25°C (78°F), the average temperature settles at a comfortable 12°C (55°F). This noticeable increase in warmth from the chillier months of January through March invites locals and visitors alike to embrace outdoor activities and admire the blooming cherry blossoms. As April unfolds, the weather in Hakone reflects a gentle shift towards milder days, shedding the remnants of winter and ushering in the delightful experiences that spring has to offer.
In April, Hakone, Japan experiences a significant amount of rainfall, with 173 mm (6.8 in) accumulating over 14 days. This marked decrease from the previous month’s heavy 202 mm (7.9 in) indicates a gradual transition towards the drier months. However, April still stands out as one of the wetter periods in the spring season, as it bridges the high precipitation of early spring with the heavier rainfalls that come in May and June. As nature awakens, the consistent rainfall fosters lush greenery, making Hakone a breathtaking destination for visitors seeking to embrace the beauty of the blooming season.
In April, the humidity in Hakone, Japan holds steady at 74%, maintaining a comfortable yet slightly damp atmosphere as spring unfolds. This level is consistent with the decline from the winter months, where humidity was at 76% in January and 74% in February, hinting at a gradual shift towards more humid conditions in the upcoming warmer months. As flowers bloom and the landscape comes alive, this month serves as a precursor to May’s more humid climate, where humidity surges to 81%. Overall, April’s humidity reflects the transitional nature of the season, bridging the gap between the coolness of early spring and the rising warmth of late spring and summer.
In April, Hakone, Japan, experiences a notable peak in its UV Index, soaring to 10, which falls within the very high exposure category. This increase signifies a shift from the high levels of February and March, where the burn time condensed significantly to just 15 minutes. As the weather warms and days lengthen, residents and visitors alike must take precautions against the sun’s intense rays. The trend continues into May, where the UV Index escalates further to an extreme level of 11, leading to even shorter burn times. With the UV Index in April serving as an important reminder of the sun's strength, it’s essential to stay informed and protected. For further details on UV levels in the area, visit Hakone UV Index.
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In April, Hakone enjoys a delightful 260 hours of sunshine, perfectly setting the stage for springtime adventures. As the days grow longer and sunnier, April marks a significant leap from March's 249 hours, signaling a trend of increasing daylight that continues into May, which boasts 282 hours. This upward trajectory continues throughout the spring and summer months, peaking in August with an impressive 285 hours of sunshine. Following the vibrant summer, the daylight begins to wane in autumn, yet Hakone still offers a respectable 236 hours in September. This pattern of fluctuating sunshine hours not only enriches the local landscape but also creates the ideal backdrop for visitors to explore the beauty of this enchanting region throughout the year.
In April, Hakone experiences a 42% chance of sunny weather, a modest increase compared to the preceding months, but still significantly lower than the brighter winter months of January and February, which boast probabilities of 57% and 65% respectively. This trend highlights a shift as the cherry blossoms begin to bloom, yet April's sunshine remains less certain compared to earlier in the year. As we transition into May, the likelihood of clear skies declines sharply to 21%, emphasizing the region's propensity for rainy days later in the spring. Thus, while April offers a glimmer of sunlight, travelers should be prepared for a mix of weather, keeping in mind that Hakone’s natural beauty shines through rain or shine.
As spring blossoms in Hakone, Japan, the daylight duration begins to noticeably increase, with April ushering in a delightful 13 hours of sunshine. This marks a significant jump from the 11 hours seen in March, signaling the arrival of longer, brighter days that invite outdoor exploration and enjoyment. Following April, May continues this trend, reaching 14 hours of daylight, a testament to the region's vibrant awakening from winter's grasp. As the seasons transition towards summer, daylight remains generous, providing ample opportunity for residents and visitors alike to savor Hakone's stunning landscapes. The trend of rising daylight hours not only enhances the beauty of this picturesque locale but also amplifies the sense of renewal that defines the spring months.
In April, Hakone enjoys a gentle breeze with an average wind speed of 1.9 m/s (4 mph), mirroring the steady conditions of the previous months. This consistent airflow, characteristic of early spring, invites visitors to explore the blooming landscapes and tranquil hot springs without the distraction of blustery winds. As the season progresses into May, wind speeds slightly rise to 2.1 m/s (5 mph), hinting at the warmer days ahead. The overall trend of moderate winds throughout these months creates a serene atmosphere, perfect for appreciating the natural beauty of this picturesque Japanese region. With delightful temperatures and calming breezes, April is truly a splendid time to bask in Hakone's charm.
Weather in Hakone varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Hakone, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present distinctly different weather patterns. In April, temperatures rise significantly, with minimums around -1°C (31°F) and maximums reaching up to 25°C (78°F), averaging at 12°C (55°F). This month also sees increased precipitation, averaging 173 mm (6.8 in) over approximately 14 days, contributing to a humidity level of 74%. In contrast, January is much cooler, featuring minimum temperatures of -7°C (19°F) and maximums of only 17°C (63°F), with an average of 4°C (39°F). The precipitation in January is considerably lower, at 69 mm (2.7 in) over about 8 days, with a humidity level slightly higher at 76%. For more detailed insights, you can explore Hakone weather in January.
April typically brings more moderate temperatures compared to February, with a minimum of -1°C (31°F) and an average of 12°C (55°F), peaking at a pleasant 25°C (78°F). In contrast, February experiences colder conditions, with minimum temperatures reaching -6°C (21°F) and an average of 5°C (41°F), albeit a maximum temperature of 20°C (67°F). Additionally, April sees significantly higher precipitation, totaling 173 mm (6.8 in) over 14 days, while February has a more modest 83 mm (3.3 in) spread over 11 days. Interestingly, both months have the same level of humidity at 74%. For more details, you can check Hakone weather in February.
April's weather shows a noticeable warming trend compared to March, with average temperatures rising from 8°C (47°F) in March to 12°C (55°F) in April. Additionally, April experiences higher maximum temperatures, reaching up to 25°C (78°F), while March peaks at 22°C (72°F). However, April also brings more precipitation, with a total of 173 mm (6.8 in) over 14 days, compared to 202 mm (7.9 in) over 15 days in March. Humidity levels remain relatively similar, with April at 74% and March at 70%. For more detailed information on March weather, you can check Hakone weather in March.
April and May exhibit a notable shift in weather patterns. April experiences cooler temperatures, with a minimum of -1°C (31°F) and an average of 12°C (55°F), while May offers a milder climate, starting from a minimum of 5°C (41°F) and averaging 17°C (63°F). Additionally, May sees higher maximum temperatures, reaching up to 30°C (86°F) compared to April's peak of 25°C (78°F). Despite both months experiencing approximately 14 days of precipitation, May has a slightly higher total rainfall of 180 mm (7.1 in) compared to April's 173 mm (6.8 in). Humidity levels also rise in May, reaching 81% compared to April's 74%. For more detailed information, you can check Hakone weather in May.
April and June showcase a significant transition in weather patterns. In April, temperatures range from a chilly -1°C (31°F) at night to a comfortable 25°C (78°F) during the day, with an average of 12°C (55°F). The month sees 173 mm (6.8 in) of rainfall over 14 days, contributing to a moderate humidity level of 74%. In contrast, June brings warmer temperatures that start from a minimum of 12°C (55°F) and can rise to a maximum of 30°C (86°F), averaging 20°C (69°F). However, it also sees increased precipitation, totaling 234 mm (9.2 in) over 18 days, and higher humidity at 88%. Overall, June is warmer and wetter compared to the cooler and drier April. For more details, check out Hakone weather in June.
April and July present contrasting weather conditions. In April, the temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 25°C (78°F), with an average of 12°C (55°F). The month is characterized by considerable rainfall, averaging 173 mm (6.8 in) over 14 days, along with a moderate humidity level of 74%. In contrast, July experiences warmer conditions with temperatures ranging from a minimum of 17°C (62°F) to a peak of 34°C (93°F) and an average of 24°C (76°F). However, it also sees significantly higher precipitation, totaling 321 mm (12.6 in) across 20 days, along with elevated humidity reaching 93%. For a detailed look at July weather in Hakone, check out Hakone weather in July.
April and August present strikingly different weather conditions. In April, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 25°C (78°F), with an average of 12°C (55°F). This month sees substantial rainfall, accumulating to 173 mm (6.8 in) over about 14 days, and the humidity averages around 74%. In contrast, August warms up significantly, with minimum temperatures of 17°C (63°F) and maximums reaching 35°C (95°F), averaging 26°C (79°F). Rainfall increases slightly to 198 mm (7.8 in) over 18 days, and the humidity also rises to a more oppressive 90%. For those interested in specific weather conditions, you can find more details about Hakone weather in August.
April and September showcase distinct climatic characteristics that highlight the transition from spring to autumn. In April, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant average of 12°C (55°F), with daytime highs reaching up to 25°C (78°F). However, this month is marked by considerable precipitation, totaling 173 mm (6.8 in) over 14 rainy days, and humidity levels hovering around 74%.
In contrast, September experiences warmer temperatures, with a minimum of 13°C (56°F) and an average of 22°C (72°F), peaking at a hot 33°C (91°F). The month is also wetter, with precipitation accumulating to 242 mm (9.5 in) across 21 days and humidity increasing to 86%. For more detailed information on September conditions, you can check Hakone weather in September.
April and October offer distinctly different weather experiences. In April, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant 25°C (78°F), with an average of 12°C (55°F). The month experiences moderate precipitation of 173 mm (6.8 in) over 14 days, and the humidity sits at 74%. In contrast, October sees warmer temperatures, with lows around 7°C (45°F) and highs peaking at 30°C (87°F), averaging 17°C (62°F). However, October is significantly wetter, with precipitation totaling 360 mm (14.2 in) across 19 days and increased humidity at 83%. For more details on October weather in Hakone, check out Hakone weather in October.
April and November present contrasting weather experiences, despite their average temperatures being relatively similar. In April, temperatures can range from a chilly -1°C (31°F) at night to a warm 25°C (78°F) during the day, while November sees slightly milder nights with a minimum of 1°C (34°F) and maximum temperatures peaking at 22°C (71°F).
Precipitation is more abundant in April, with 173 mm (6.8 in) over 14 days, compared to November’s 102 mm (4.0 in) spread across 13 days. The humidity levels also differ, with April having a humidity average of 74% and November slightly higher at 80%. For more details on November weather, you can visit Hakone weather in November.
April and December exhibit notable differences in weather conditions. In April, temperatures range from a minimum of -1°C (31°F) to a maximum of 25°C (78°F) with an average of 12°C (55°F), signaling the arrival of spring. This month experiences considerable precipitation, totaling 173 mm (6.8 in) over about 14 days, coupled with a humidity level of 74%. In contrast, December sees colder temperatures with a minimum of -3°C (27°F) and a maximum of 21°C (69°F), averaging only 6°C (44°F). It is also drier, with 79 mm (3.1 in) of rainfall spread over 11 days and a slight increase in humidity at 78%. For more detailed insights, you can explore Hakone weather in December.
April in Hakone offers a refreshing transition from the chill of winter to the mildness of spring. With daytime temperatures gently rising and an average that oscillates around a comfortable 12°C, visitors can enjoy the blooming landscapes. However, April is marked by an increased likelihood of rain, presenting about 14 days of precipitation, which adds a lush vibrancy to the scenery. While the humidity hovers at a moderate 74%, this month stands out as particularly enticing for nature lovers and adventurers alike. For a deeper dive into Hakone's weather patterns, explore more at Hakone Climate.