Last updated: August 21, 2025
In December, Nikko, Japan experiences a chilly winter climate, with average temperatures hovering around 1°C (34°F). Daily highs can reach a mild 16°C (61°F), while frigid lows plunge to a biting -11°C (12°F), creating a notable temperature range. The region sees an average precipitation amount of 68 mm (2.7 in) across approximately 11 wet days, contributing to a notably humid atmosphere with a humidity level of 86%. Visitors should prepare for both beautiful winter scenery and occasional rain, making it a unique time to explore Nikko’s cultural heritage amidst a brisk, refreshing backdrop.
In Nikko, Japan, December marks the arrival of winter, with temperatures dipping significantly as the month progresses. The average temperature hovers around 1°C (34°F), reflecting a sharp contrast to the more temperate months prior. With minimum temperatures plummeting to -11°C (12°F), it’s a chilly start to the season, while the maximum temperatures can still reach a relatively mild 16°C (61°F) during warmer spells. This pattern sets a distinct chill in the air, inviting visitors to layer up while enjoying the picturesque winter landscapes. As the month unfolds, the combination of crisp air and breathtaking scenery makes Nikko a captivating destination for those eager to experience its serene beauty in December.
December in Nikko, Japan, wraps up the year with a modest precipitation level of 68 mm (2.7 in), falling over approximately 11 days. This slight uptick in rainfall from November's 61 mm (2.4 in) reflects a trend of increasing wetness as winter approaches, contrasting sharply with the precipitation peaks seen in the middle of the year. With rainfall steadily increasing from summer's heavy showers, Nikko's climate transitions to cooler, wetter months, allowing the region’s natural beauty to thrive under a refreshing layer of moisture. While not as dramatic as earlier months, December’s precipitation contributes to the serene atmosphere of this historic locale, setting a delicate stage for the impending winter season.
In Nikko, Japan, December brings a notable humidity level of 86%, continuing a trend of relatively high moisture content in the air as the year wraps up. While January starts the year at 88%, the humidity gradually dips through the spring months, reaching a low of 78% in April before rising again in the warmer months of June and July, where it peaks at a steamy 92%. As summer transitions into fall, humidity figures gracefully decline, with November recording 85%. This seasonal rhythm suggests that December's humidity is consistently aligned with late autumn trends, making it a comfortable time for visitors who appreciate milder yet moist conditions. The steady humidity levels throughout the year highlight Nikko’s reputation for rich, natural beauty framed by a refreshing climate, ensuring the air retains a certain enchantment as the landscape transitions into winter.
In December, Nikko, Japan experiences a drop in the UV Index to 3, placing it in the moderate exposure category with a burn time of 30 minutes. This marks a notable decrease from the extreme levels seen in the summer months, where the index peaked at 11 from June to August. As the year winds down, sun exposure becomes less intense, contrasting sharply with the high and very high ratings of preceding months. Consequently, it's a more comfortable time for outdoor activities, though it's still wise to stay mindful of sun safety. For more detailed information on UV trends throughout the year, visit Nikko UV Index.
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In Nikko, Japan, December brings a delightful 224 hours of sunshine, blending warmth into the chilly winter air. As the year draws to a close, daylight begins to wane compared to the vibrant sunny months of May (284 hours) and April (278 hours), yet December remains brighter than the earlier months of January (184 hours) and February (233 hours). This steady pattern highlights Nikko's transition into the winter season, where sunny days become less frequent but still offer a sparkling contrast against the seasonal frost. The sunlight hours in December serve as a gentle reminder of nature's cyclical beauty, setting a hopeful tone for the new year ahead.
In Nikko, Japan, the likelihood of sunny weather sees a notable uptick in December, with a 46% chance of sunshine. This marks a recovery from the dips observed during the summer months, where sunshine levels dropped to a mere 17% in June and stayed low through August. Transitioning into the cooler months, the chances gradually increase, culminating in December's favorable conditions. With November already showcasing a healthy 53%, December maintains a promising outlook for those hoping to enjoy the winter landscapes under clearer skies. It's clear that as the year winds down, Nikko often rewards visitors with a blend of crisp air and bright sun, making it an appealing destination for winter exploration.
In Nikko, Japan, December marks the end of a gradual shift in daylight hours that begins as early as January. The month offers about 9 hours of daylight, mirroring the shorter days of the preceding months. As the year progresses, from the depth of winter in December to the vibrant spring in April, daylight gradually increases, peaking at 14 hours in both May and June. Following this peak, the days begin to shorten again, tapering off as the seasons transition back into winter by November and December. This rhythmic pattern highlights the region's distinct seasonal changes, enticing visitors to experience the serene beauty of Nikko during the quieter daylight hours of winter.
As December rolls into Nikko, Japan, the winds begin to pick up once again, averaging 2.3 m/s (5 mph). This gentle breeze is a refreshing change compared to the warmer months when wind speeds dropped to their lowest, with July and August only reaching 1.2 m/s. Interestingly, the cooler months of January through March maintain a steadier wind, hovering around the 2.2 to 2.3 m/s mark, setting a pleasant backdrop for the serene beauty of wintertime in Nikko. As the year draws to a close, December's winds symbolize a transition back to a brisker climate, inviting visitors to experience the quiet majesty of this historic locale amidst a backdrop of swirling winter air.
Weather in Nikko varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Nikko, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January exhibit notable differences in weather conditions. In December, temperatures range from a chilly minimum of -11°C (12°F) to a milder maximum of 16°C (61°F), leading to an average of 1°C (34°F). The month experiences more precipitation, totaling 68 mm (2.7 in) over 11 days, accompanied by a high humidity level of 86%. In contrast, January tends to be colder overall, with temperatures dipping slightly lower—averaging -2°C (29°F) and reaching a maximum of 9°C (49°F). Although it receives slightly less precipitation at 55 mm (2.2 in) over the same number of days, January's humidity remains high at 88%. For more detailed information, you can explore Nikko weather in January.
In December, temperatures typically range from a minimum of -11°C (12°F) to a maximum of 16°C (61°F), with an average of 1°C (34°F). The month experiences around 68 mm (2.7 in) of precipitation over 11 days, accompanied by a high humidity level of 86%. In contrast, February sees slightly colder conditions, with minimum temperatures dropping to -15°C (5°F) and an average of -1°C (30°F), while still reaching the same maximum of 16°C (61°F). Precipitation decreases to 53 mm (2.1 in) over the same number of days and maintains the same humidity level of 86%. For more specific climate details, you can view Nikko weather in February.
In December, temperatures typically range from a chilly -11°C (12°F) at night to a mild 16°C (61°F) during the day, with an average temperature of around 1°C (34°F). The month experiences about 68 mm (2.7 in) of precipitation over 11 days, contributing to a high humidity level of 86%. In contrast, March brings slightly warmer temperatures, with lows at -11°C (13°F) and highs reaching 19°C (67°F), averaging around 4°C (39°F). However, this month sees increased precipitation, amounting to 142 mm (5.6 in) across 14 days, while humidity drops to 81%. For a more detailed look at March weather, check out Nikko weather in March.
December and April present contrasting weather patterns. In December, temperatures range from a chilly -11°C (12°F) at the minimum to a mild 16°C (61°F) at the maximum, with an average hovering around 1°C (34°F). The month experiences about 68 mm (2.7 in) of precipitation over 11 days, accompanied by a high humidity level of 86%. In contrast, April brings warmer conditions, with minimum temperatures of -4°C (24°F) and maximums reaching 24°C (76°F), averaging at 8°C (47°F). This month is significantly wetter, accumulating 143 mm (5.6 in) of rain over 15 days, while humidity decreases to 78%. For more details on April weather, check out Nikko weather in April.
December and May present quite contrasting weather experiences. In December, temperatures typically range from a chilly -11°C (12°F) at night to a mild 16°C (61°F) during the day, with an average of around 1°C (34°F). The month sees an average of 68 mm (2.7 in) of precipitation over 11 days and maintains a high humidity level of 86%. In stark contrast, May offers much warmer conditions, with nighttime lows of 1°C (34°F) and daytime highs reaching up to 28°C (82°F), averaging 14°C (57°F). Rainfall is significantly higher at 176 mm (6.9 in) over 18 days, though humidity decreases slightly to 81%. For more specific information on the delightful weather in this beautiful month, check out Nikko weather in May.
In December, temperatures in Nikko can drop to a minimum of -11°C (12°F), with an average temperature of around 1°C (34°F) and a maximum of 16°C (61°F). The month experiences relatively low precipitation at 68 mm (2.7 in) over 11 days, but the humidity is quite high at 86%. In contrast, June brings a much warmer climate, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 27°C (81°F) and an average of 17°C (63°F). Precipitation also increases significantly to 225 mm (8.8 in) occurring over 21 days, while humidity remains high at 88%. The stark difference in temperatures and precipitation patterns highlights the seasonal changes in Nikko's weather. For more details, check out Nikko weather in June.
December experiences chilly temperatures, with a minimum of -11°C (12°F) and an average of just 1°C (34°F), peaking at a mild 16°C (61°F). The month's precipitation totals 68 mm (2.7 in) over about 11 days, accompanied by a high humidity of 86%. In contrast, July serves up a much warmer climate with temperatures ranging from a minimum of 14°C (57°F) to an average of 21°C (70°F), and highs reaching 31°C (88°F). This month is characterized by significantly higher rainfall, totaling 345 mm (13.6 in) across approximately 27 days, along with elevated humidity at 92%. For more specific information, check out Nikko weather in July.
December and August present strikingly different weather experiences. In December, temperatures average around 1°C (34°F), with a minimum of -11°C (12°F) and a maximum of 16°C (61°F). The month sees about 68 mm (2.7 in) of precipitation over 11 days, accompanied by high humidity at 86%. In contrast, August boasts much warmer temperatures, with an average of 23°C (73°F), a minimum of 10°C (50°F), and a high of 32°C (89°F). Precipitation in August is significantly heavier, totaling 273 mm (10.7 in) across 26 days, and with humidity even higher at 92%. Overall, while December is characterized by cold, crisp air, August offers warmth and frequent rain, creating a vibrant and humid environment. For more details, you can check Nikko weather in August.
In December, the weather is significantly colder compared to September, with temperatures ranging from a minimum of -11°C (12°F) to a maximum of 16°C (61°F), yielding an average of 1°C (34°F). Precipitation is less frequent in December, totaling 68 mm (2.7 in) over 11 days, and the humidity level stands at 86%. In contrast, September enjoys much milder conditions, with temperatures varying from a minimum of 6°C (43°F) to a maximum of 29°C (84°F), averaging 18°C (65°F). However, it experiences heavier rainfall, with 239 mm (9.4 in) spread over 25 days, and slightly higher humidity at 89%. For a more detailed look at September conditions, check out Nikko weather in September.
In December, temperatures drop significantly compared to October, with average highs reaching only 1°C (34°F), while October enjoys milder conditions with average highs of 13°C (55°F) and peaks up to 25°C (78°F). Precipitation also varies greatly, as December sees about 68 mm (2.7 in) over 11 days, which is much less than the substantial 279 mm (11.0 in) over 19 days experienced in October. Additionally, while both months have high humidity levels, December maintains a slightly lower humidity at 86% compared to October's 87%. For more detailed weather information, you can check Nikko weather in October.
In comparing the weather of December to that of November, December is notably colder, with average temperatures ranging from a minimum of -11°C (12°F) to a maximum of 16°C (61°F), whereas November experiences milder averages with a minimum of -4°C (25°F) and a maximum of 18°C (64°F). Precipitation levels are slightly higher in December at 68 mm (2.7 in) over 11 days, compared to November's 61 mm (2.4 in) over just 7 days. Humidity remains fairly consistent, with December at 86% and November at 85%. For a more detailed look at November weather, you can check Nikko weather in November.
In December, Nikko transforms into a winter wonderland, with temperatures noticeably cooler than in preceding months, often dipping to a chilling minimum of -11°C. Precipitation is more frequent, with about 11 days of rain or snow, adding to the region's humid atmosphere. This blend of cold and dampness creates a striking contrast to the mild autumn temperatures. If you're planning to visit, be prepared for a brisk experience that highlights Nikko's crisp, serene beauty during the winter season. For a detailed overview of what to expect throughout the year, check out Nikko Climate.