Last updated: August 21, 2025
In December, Hakone, Japan, experiences a striking contrast in weather, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 21°C (69°F). The average temperature settles at a brisk 6°C (44°F), inviting cozy afternoons amidst the stunning winter landscapes. Despite the chilly temperatures, December is marked by 79 mm (3.1 in) of precipitation over 11 days, contributing to a humidity level of 78% that envelops the region in a misty, serene atmosphere. Visitors can enjoy the picturesque scenery while indulging in the warmth of local hot springs, making Hakone a delightful winter escape.
As December settles in Hakone, Japan, the temperature begins to drop, signaling the onset of winter. With a minimum of -3°C (27°F) and an average of 6°C (44°F), the month offers a brisk chill compared to the milder autumn months. Daytime highs can reach up to a comfortable 21°C (69°F), creating a pleasant contrast during daylight hours. This time of year marks a notable shift from the previous month, as November's temperatures hover slightly higher. Visitors can expect cool, refreshing air while enjoying the stunning winter scenery, making Hakone a charming destination for those seeking to embrace the season's beauty.
In Hakone, Japan, December typically sees a precipitation amount of 79 mm (3.1 in), continuing the trend of moderate rainfall common in the latter part of the year. This month experiences around 11 days of precipitation, marking a decrease from the heavier rainfall earlier in the year, particularly in summer months where it peaks at 321 mm in July. Following the pattern observed from October's 360 mm (14.2 in) and November's 102 mm (4.0 in), December's rainfall dwindles, hinting at the arrival of colder weather as the year concludes. Overall, while precipitation remains significant throughout the year, December offers a quieter reprieve from the intense downpours that characterize previous months.
In Hakone, Japan, December ushers in a humidity level of 78%, marking a slightly more comfortable transition from the sultry summer months of July and August, which boast peaks of 93% and 90%, respectively. As autumn unfolds, humidity levels remain relatively high, with November at 80% and gradually tapering off during December. This consistent moisture, particularly evident from June to August, reflects the region's lush, verdant landscapes and contributes to Hakone's freshness as winter approaches. Interestingly, while humidity dips slightly in December, it remains higher than in the spring months, suggesting a climatic trend where winter retains a touch of the lingering humidity characteristic of late summer.
In December, Hakone, Japan, experiences a moderate UV Index of 4, indicating a more forgiving environment for sun exposure, with a burn time of approximately 30 minutes. This marks a notable decline from the extremes of summer, where UV levels soared to 12 in July. The transition from the autumn months, where the UV Index fluctuated between moderate and high, to this winter month signifies a welcome respite for those looking to enjoy the outdoors without the intense sun risk. As you explore Hakone’s beautiful winter landscapes, it's a great time to relax and soak in the scenery while remaining mindful of those UV rays. For more detailed information, you can check the Hakone UV Index.
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In Hakone, Japan, December brings a delightful 227 hours of sunshine, gently declining from the vibrant autumn months. As the year draws to a close, this period showcases a marked increase compared to the chilly and dimmer days of January, which records the least sunshine at 189 hours. Despite the approach of winter, December's sun continues to shine brightly, nestled between the lush hues of the late autumn and the breathtaking winter landscapes. Interestingly, this month aligns closely with November's total of 223 hours, indicating a consistent trend of relatively mild sunlight as the landscape transitions. As the season shifts, visitors can still enjoy the beauty of Hakone under a reassuringly warm sun, making it a perfect time for exploration and relaxation surrounded by nature's serene splendor.
In December, visitors to Hakone, Japan, can look forward to a promising likelihood of sunny weather, with a notable 67% chance of sunshine. This marks an increase from the preceding months, particularly compared to the lower probabilities seen in summer (often below 30%). The trend shows that as the year draws to a close, the chances of vibrant, sunny days rise, creating the perfect opportunity to explore the stunning landscapes and hot springs of Hakone. With fresh winter air and the beauty of the season, December proves to be a delightful time for outdoor adventures in this tranquil mountainous region.
In Hakone, Japan, the daylight duration experiences a gentle ebb and flow throughout the year. Starting from a robust 10 hours in January and February, the days gradually lengthen, peaking at 14 hours during the vibrant months of May, June, and July. As summer fades into autumn, daylight begins to wane again, dropping to 13 hours in August and sliding down to 12 hours in September. By December, the days have dwindled to just 9 hours, marking the shortest daylight of the year. This rhythmic pattern of increasing and decreasing daylight beautifully mirrors the changing seasons, creating a dynamic backdrop for activities in this picturesque region.
In Hakone, Japan, the December wind carries a gentle whisper, with an average speed of 1.9 m/s (4 mph). This seasonal shift marks a consistent trend throughout the year, as wind speeds remain relatively stable, fluctuating only slightly from a low of 1.4 m/s (3 mph) in July to a high of 2.1 m/s (5 mph) in February and May. The winter months evoke a calmness, as the wind seems to maintain a mellow character, mirroring the serene landscapes of Hakone. As the year draws to a close, December’s breezes offer a comforting reminder of the area's tranquil beauty, inviting visitors to embrace the peaceful atmosphere that this charming locale has to offer.
Weather in Hakone varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hakone, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in the area range from a chilly minimum of -3°C (27°F) to a mild maximum of 21°C (69°F), with an average temperature of 6°C (44°F). The month experiences a significant amount of precipitation, totaling 79 mm (3.1 in) over 11 days, and the humidity levels remain relatively high at 78%.
In contrast, January is notably cooler, with temperatures dropping to a minimum of -7°C (19°F) and an average of 4°C (39°F). The maximum temperature in this month reaches 17°C (63°F), and there is slightly less precipitation, accumulating 69 mm (2.7 in) across 8 days, as the humidity decreases slightly to 76%. For more detailed information, check out Hakone weather in January.
December and February exhibit similar weather patterns, though February tends to be slightly chillier. In December, temperatures range from a minimum of -3°C (27°F) to a maximum of 21°C (69°F), with an average of 6°C (44°F). The month receives approximately 79 mm (3.1 in) of precipitation over 11 days, accompanied by a humidity level of 78%. In contrast, February sees a slight dip in temperature, with minimums reaching -6°C (21°F) and maximums at 20°C (67°F), averaging around 5°C (41°F). Precipitation remains slightly higher at 83 mm (3.3 in) over the same number of days, but humidity decreases to 74%. For more detailed insights, you can check out Hakone weather in February.
December and March present distinct weather characteristics. In December, temperatures range from a chilly minimum of -3°C (27°F) to a moderate maximum of 21°C (69°F), with an average of 6°C (44°F). The month experiences about 79 mm (3.1 in) of precipitation over 11 days, and humidity levels are relatively high at 78%. In contrast, March sees slightly cooler temperatures, with a minimum of -6°C (22°F) and a maximum reaching 22°C (72°F), resulting in an average temperature of 8°C (47°F). However, March is notably wetter, with precipitation totaling 202 mm (7.9 in) over 15 days, and humidity drops to 70%. For more details on the weather, check out Hakone weather in March.
In December, temperatures tend to be cooler, with minimums around -3°C (27°F) and averages hovering around 6°C (44°F), while maximums can reach up to 21°C (69°F). The month sees 79 mm (3.1 in) of precipitation across 11 days, combined with a relatively high humidity of 78%. In contrast, April generally ushers in milder weather, with minimum temperatures at -1°C (31°F) and average highs climbing to 12°C (55°F), peaking at 25°C (78°F). Although it is warmer, April experiences more rainfall, accumulating 173 mm (6.8 in) over 14 days, with humidity slightly lower at 74%. For a detailed look at how weather varies in April, visit Hakone weather in April.
December weather tends to be much cooler with a minimum temperature of -3°C (27°F) and an average of 6°C (44°F), compared to May's milder climate, where temperatures range from a minimum of 5°C (41°F) to an average of 17°C (63°F). While December experiences less precipitation at 79 mm (3.1 in) over 11 days, May sees a significant increase to 180 mm (7.1 in) across 14 days, indicating a wetter season. Additionally, humidity levels are quite similar, hovering around 78% in December and slightly higher at 81% in May. For more detailed insights into May's weather, check out Hakone weather in May.
In December, temperatures range from a chilly minimum of -3°C (27°F) to a milder maximum of 21°C (69°F), with an average of 6°C (44°F). This month also sees relatively low precipitation at 79 mm (3.1 in) over 11 days, accompanied by a humidity level of 78%. In contrast, June brings significantly warmer conditions, with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 30°C (86°F), averaging around 20°C (69°F). However, June is much wetter, with 234 mm (9.2 in) of rainfall over 18 days and a higher humidity level of 88%. For those interested in more detailed information, you can check Hakone weather in June.
December and July present strikingly contrasting weather conditions. In December, temperatures range from a chilly -3°C (27°F) at night to a mild 21°C (69°F) during the day, with an average of 6°C (44°F). The month sees about 79 mm (3.1 in) of precipitation over 11 days and a humidity level of 78%. In contrast, July experiences much warmer temperatures, with minimums of 17°C (62°F) and highs peaking at 34°C (93°F), averaging around 24°C (76°F). This month is wetter, accumulating 321 mm (12.6 in) of rain across 20 days and a higher humidity of 93%. For a detailed look at July weather specifics, visit Hakone weather in July.
December and August showcase striking contrasts in weather conditions. In December, temperatures range from a minimum of -3°C (27°F) to a maximum of 21°C (69°F), with an average of 6°C (44°F). This month experiences lower humidity at 78%, along with 79 mm (3.1 in) of precipitation over 11 days. Conversely, August boasts significantly warmer temperatures, with a minimum of 17°C (63°F) and a maximum soaring to 35°C (95°F), averaging around 26°C (79°F). The month is also characterized by higher humidity at 90% and more rainfall, totaling 198 mm (7.8 in) across 18 days. For a closer look at the weather specifics during this summer month, check out Hakone weather in August.
In December, temperatures generally range from a chilly -3°C (27°F) to a mild 21°C (69°F), with an average of 6°C (44°F), while September boasts significantly warmer conditions, with minimums of 13°C (56°F) and maximums reaching up to 33°C (91°F) and an average of 22°C (72°F). When it comes to precipitation, December receives 79 mm (3.1 in) over 11 days, making it far less rainy compared to September, which sees 242 mm (9.5 in) over 21 days. Moreover, humidity levels are higher in September at 86%, compared to 78% in December, making September feel more humid and tropical. For more details, you can visit Hakone weather in September.
December and October present quite contrasting weather conditions. In December, temperatures range from a chilly minimum of -3°C (27°F) to a mild average of 6°C (44°F), with a maximum reaching 21°C (69°F). The month experiences about 79 mm (3.1 in) of precipitation over 11 days, accompanied by a humidity level of 78%. In stark contrast, October boasts much warmer temperatures, with a minimum of 7°C (45°F), an average of 17°C (62°F), and a high of 30°C (87°F). However, it is also much wetter, receiving 360 mm (14.2 in) of rain over 19 days, and a slightly higher humidity level of 83%. For those interested in more details, you can find additional information on Hakone weather in October.
In comparing the weather between November and December, we observe a noticeable drop in temperatures during December. The minimum temperature dips to -3°C (27°F), while November maintains a milder minimum of 1°C (34°F). The average temperature in December is also lower at 6°C (44°F), compared to November’s average of 12°C (53°F). While both months experience similar maximum temperatures, reaching up to 21°C (69°F) in December and 22°C (71°F) in November, December sees a slight increase in precipitation with 79 mm (3.1 in) over 11 days, as opposed to November's 102 mm (4.0 in) over 13 days. Humidity levels remain relatively high, with December at 78% and November at 80%. For a more detailed look at November's weather, check out Hakone weather in November.
As winter settles in, December in Hakone offers a refreshing contrast to the milder months. The temperature dips noticeably, with cooler averages and occasional lows that can reach below freezing, showcasing winter's presence. This month also sees increased precipitation, contributing to the invigorating atmosphere characteristic of the season, albeit with a high humidity that can make the cold feel more penetrating. For those planning their visit, understanding these shifts in weather is crucial; you can find more information about this captivating climate at Hakone Climate.