Last updated: August 21, 2025
June in Hakone, Japan welcomes the onset of summer with a delightful mix of warm temperatures and lush greenery. Experience highs reaching up to 30°C (86°F), while the average temperature hovers around a comfortable 20°C (69°F). As the month progresses, expect cooler nights with lows around 12°C (55°F). This period is marked by significant precipitation, totaling 234 mm (9.2 in) over approximately 18 days, contributing to the region's vibrant landscapes. With humidity levels soaring to 88%, the air feels rich and invigorating, making Hakone a picturesque destination during this season.
In June, Hakone, Japan, experiences a delightful transition into summer, with temperatures showcasing a comfortable range; the minimum dips to 12°C (55°F) while the average sits at 20°C (69°F), peaking at a maximum of 30°C (86°F). This month marks a significant increase from the cooler spring temperatures, as the region begins to balance warmth with refreshing breezes, creating an inviting atmosphere for outdoor activities. The distinct rise in temperatures hints at the onset of a vibrant summer season, making June an ideal time to explore Hakone's stunning landscapes, from lush greenery to serene lakes, all under the pleasant warmth that invites adventure.
June marks a significant uptick in precipitation in Hakone, Japan, with 234 mm (9.2 in) of rainfall spread across 18 days. This surge represents the highest monthly total so far in the year, highlighting June's transition into the rainy season. Following the wettest months of March and April, which received 202 mm and 173 mm respectively, June's abundant rainfall paves the way for lush green landscapes. This trend of increasing precipitation continues into July, where Hakone sees even heavier rains, culminating in 321 mm (12.6 in). The consistent pattern of increased rainfall underscores the region's characteristic climatic shift as summer approaches, making it a vital period for both nature and local agriculture.
In June, Hakone, Japan experiences a noticeable surge in humidity, peaking at an impressive 88%. This increase marks a transition into the summer months, where the humidity consistently rises from the milder levels seen earlier in the year, with January starting at 76% and gradually dipping to a low of 70% in March. As spring gives way to summer, humidity levels begin to climb, with May already experiencing a significant rise to 81%. Following June, the trend continues upward, reaching a peak of 93% in July, making the air feel particularly thick and lush during the hot season. This pattern highlights how Hakone’s climate shifts from the cooler, drier months to a warm, humid atmosphere, characteristic of summer in this picturesque region.
In June, Hakone experiences an extreme UV Index of 11, matching May's intensity and indicating the need for heightened sun protection. With a burn time of just 10 minutes, this period calls for cautious exposure, especially as the summer temperatures rise. Notably, the UV Index remains consistently high from April through August, with very high to extreme levels, underscoring the importance of sun safety during these months. If you plan to enjoy the outdoors, remember to don protective clothing and apply sunscreen diligently. Learn more about the UV trends in Hakone and safeguard your skin by visiting Hakone UV Index.
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June in Hakone, Japan, is a delightful month that captures the beginning of summer with 253 hours of sunshine, making it a perfect time for exploration. Although this is a slight dip from the peak 282 hours seen in May, the bright days in June still offer plenty of opportunities to soak in the stunning landscapes. As the season transitions, sunshine hours in Hakone exhibit a trend of increasing daylight from the start of the year, peaking in the summer months. Visitors can enjoy mild temperatures and vibrant greenery, setting the stage for memorable adventures amid the breathtaking natural beauty that Hakone has to offer.
In June, the likelihood of enjoying sunny weather in Hakone, Japan drops significantly to just 18%, making it one of the cloudier months of the year. This decline follows an upward trend in the earlier months, where January and February boast fairly high chances of sun at 57% and 65%, respectively. However, as spring transitions into summer, the probability of clear skies decreases, reaching its annual low point in June before gradually climbing again in July and August. Visitors planning a trip during this period should be prepared for overcast days, reflecting a seasonal shift that leaves sunlight less certain in this picturesque region.
In Hakone, Japan, the month of June heralds the peak of daylight duration, with an impressive 14 hours of sunlight, mirroring the trends of May and July. As spring transitions into summer, the increasing daylight reflects nature's vibrant awakening, fostering a sense of vitality and exploration. Following the gradual ascent from 10 hours in January, the area enjoys a steady climb throughout spring, reaching its zenith in June. This extended exposure to sunlight beautifully complements the lush landscapes and scenic views that Hakone is renowned for, creating the perfect backdrop for outdoor activities and serene contemplation. As summer progresses, daylight begins to wane ever so slightly into August, but the lingering warmth keeps the essence of June alive.
In June, Hakone experiences a gentle decline in wind speed, averaging 1.5 m/s (3 mph), the lowest of the year. This calmness hints at the transition into summer, as the breezy months of spring give way to warmer, more stable weather patterns. Notably, compared to the preceding months, June’s winds are less robust, reflecting a broader trend of gradually diminishing gusts through summer. July follows closely with an even lighter breeze at 1.4 m/s (3 mph), suggesting that visitors can enjoy the scenic beauty of Hakone in a serene atmosphere, perfect for leisurely strolls and taking in the stunning landscapes without the distraction of strong winds.
Weather in Hakone varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Hakone, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present starkly contrasting weather conditions. In June, temperatures range from a minimum of 12°C (55°F) to a maximum of 30°C (86°F), with an average of 20°C (69°F). The month also experiences significant rainfall, totaling 234 mm (9.2 in) over 18 days, coupled with high humidity levels at 88%. In contrast, January is marked by much colder conditions, with temperatures varying from a frigid -7°C (19°F) to a more temperate 17°C (63°F) and an average of 4°C (39°F). Precipitation in January is notably lower at 69 mm (2.7 in) over just 8 days, and humidity sits at 76%. For more details on January's weather, you can check Hakone weather in January.
June and February present stark contrasts in weather conditions. June typically experiences milder temperatures, with averages around 20°C (69°F) and highs reaching up to 30°C (86°F), accompanied by high humidity at 88% and considerable precipitation of 234 mm (9.2 in) over 18 days. In contrast, February is much colder, with an average temperature of only 5°C (41°F) and lows that can drop to -6°C (21°F). This month sees significantly less rainfall, with only 83 mm (3.3 in) over 11 days and lower humidity at 74%. For those interested in more specifics, detailed insights can be found in Hakone weather in February.
June and March display quite contrasting weather patterns. In June, temperatures typically range from a minimum of 12°C (55°F) to a maximum of 30°C (86°F), with an average of 20°C (69°F). The month is characterized by high humidity levels at 88% and considerable rainfall, averaging 234 mm (9.2 in) over 18 days. In comparison, March experiences much cooler temperatures with a minimum of -6°C (22°F) and a maximum of 22°C (72°F), averaging just 8°C (47°F). Although March sees less rainfall at 202 mm (7.9 in) over 15 days, the humidity remains notably lower at 70%. For more detailed insights into March weather, you can visit Hakone weather in March.
June and April present distinct weather patterns, with June characterized by warmer temperatures and higher humidity. In June, temperatures range from a minimum of 12°C (55°F) to a maximum of 30°C (86°F), with an average of 20°C (69°F). The month is also quite wet, with 234 mm (9.2 in) of precipitation spread over 18 days, resulting in a humidity level of 88%. In contrast, April features cooler temperatures, with a minimum of -1°C (31°F), an average of 12°C (55°F), and a maximum of 25°C (78°F). Although April also sees rainfall, totaling 173 mm (6.8 in) over 14 days, it has a lower humidity level of 74%. For a deeper look into the weather specifics for April, you can check Hakone weather in April.
When comparing the weather in June and May, June typically features warmer temperatures with a higher minimum of 12°C (55°F) and an average of 20°C (69°F), as opposed to May's minimum of 5°C (41°F) and an average of 17°C (63°F). Both months can reach a maximum of 30°C (86°F); however, June tends to be more humid with an average humidity of 88%, compared to May's 81%. Additionally, June experiences more precipitation, totaling 234 mm (9.2 in) over 18 days, while May sees 180 mm (7.1 in) across 14 days. For more detailed insights, check out Hakone weather in May.
In June, the weather tends to be mild with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 30°C (86°F), resulting in an average of 20°C (69°F). The month experiences significant rainfall, with 234 mm (9.2 in) over 18 days, and humidity levels are relatively high at 88%.
In contrast, July brings warmer temperatures, with a minimum of 17°C (62°F) and a maximum reaching up to 34°C (93°F), leading to a higher average of 24°C (76°F). July also sees increased precipitation, totaling 321 mm (12.6 in) across 20 days, and humidity rises to 93%. For a more detailed look at July weather, check out Hakone weather in July.
In comparing the weather of June and August, we observe notable differences in temperature and precipitation. June typically experiences a broader temperature range, with minimums around 12°C (55°F) and maximums reaching up to 30°C (86°F), while the average hovers at 20°C (69°F). The month is characterized by heavy rainfall, accumulating approximately 234 mm (9.2 in) over 18 days, and high humidity levels at 88%.
In contrast, August presents warmer temperatures, with minimums of 17°C (63°F) and maximums peaking at 35°C (95°F), leading to an average of 26°C (79°F). Precipitation is slightly less, at 198 mm (7.8 in), also spread across 18 days, but humidity remains high at 90%. For more details on August weather specifics in the region, you can visit Hakone weather in August.
June and September present distinct weather characteristics, with both months experiencing mild temperatures but differing slightly in conditions. June shows a temperature range with a minimum of 12°C and a maximum of 30°C, averaging around 20°C. It is also quite rainy, with 234 mm of precipitation over 18 days, contributing to a high humidity level of 88%. In contrast, September typically features slightly warmer temperatures, with a minimum of 13°C and a maximum of 33°C, averaging 22°C. It has a comparable precipitation level of 242 mm over 21 days, resulting in a slightly lower humidity of 86%. For more detailed information, you can check Hakone weather in September.
June and October present distinct weather patterns. In June, temperatures range from a minimum of 12°C (55°F) to a maximum of 30°C (86°F), with an average of 20°C (69°F). The month is characterized by high humidity at 88% and significant rainfall, totaling 234 mm (9.2 in) over 18 days. Conversely, October experiences cooler temperatures, with a low of 7°C (45°F) and an average temperature of 17°C (62°F). Despite having the same maximum temperature of 30°C (87°F), October sees more precipitation, reaching 360 mm (14.2 in) across 19 days, while humidity remains lower at 83%. For more details on October weather in this region, visit Hakone weather in October.
In comparing June and November, June offers a warmer climate with temperatures ranging from a mild 12°C (55°F) at night to a sweltering 30°C (86°F) during the day, while November cools down significantly, featuring temperatures from a chilly 1°C (34°F) to a comfortable 22°C (71°F). June is also characterized by higher humidity at 88% and substantial rainfall, averaging 234 mm (9.2 in) over 18 days, whereas November experiences less precipitation, totaling 102 mm (4.0 in) over only 13 days, with a slightly lower humidity level of 80%. For more details on November weather specifically, visit Hakone weather in November.
In June, the weather is significantly warmer, with average temperatures hovering around 20°C (69°F) and peak highs reaching up to 30°C (86°F). The month is characterized by high humidity at 88% and considerable rainfall, totaling 234 mm (9.2 in) over 18 days, making for a lush and vibrant landscape.
In contrast, December presents a stark shift, with average temperatures dropping to 6°C (44°F) and nighttime lows plunging to -3°C (27°F). The precipitation is much lighter, at 79 mm (3.1 in) across 11 days, and humidity levels are lower at 78%. For those interested in the specifics, you can find more details on Hakone weather in December. Overall, June offers a warm, moist climate, while December brings cooler temperatures and drier conditions.
As June unfolds in Hakone, the weather presents a unique blend of warmth and moisture that sets it apart from other months. With temperatures peaking at 30°C (86°F), this month ushers in a noticeable warmth, transitioning from the cooler spring. However, the high humidity level at 88% and the significant rainfall—spanning about 18 days—adds a tropical feel, creating lush green landscapes. This contrast between warmth and wetness offers a refreshing experience while reminding visitors to be prepared for soggy days. June is truly a month where nature thrives, making it an intriguing time to explore. For more details, check out the full Hakone Climate page.