Last updated: August 21, 2025
In October, Nikko, Japan experiences a captivating blend of autumn charm and vibrant foliage. With maximum temperatures reaching 25°C (78°F) and an average of 13°C (55°F), the days are pleasantly mild, while evenings can dip to a brisk 0°C (33°F). This month witnesses significant precipitation, totaling 279 mm (11.0 in) across about 19 days, contributing to the region's lush landscapes. With humidity levels soaring at 87%, the air is rich and invigorating, perfect for enjoying the stunning beauty of Nikko’s natural surroundings, making October an enchanting time to visit.
In October, Nikko, Japan experiences a noticeable shift as the autumn season fully settles in. With minimum temperatures hovering at around 0°C (33°F), the crisp air invigorates the landscape, making it perfect for outdoor exploration. The average temperature reaches a comfortable 13°C (55°F), while daytime highs can soar to a pleasant 25°C (78°F), allowing for comfortable sweaters and light jackets. This month marks a transition from the warm, summer temperatures of September, showcasing a delightful blend of cool mornings and mild afternoons. As the leaves begin to change, October in Nikko promises not only beautiful fall foliage but also a refreshing climate that invites visitors to enjoy its stunning natural beauty.
In October, Nikko, Japan, experiences a noteworthy shift in precipitation patterns, with 279 mm (11.0 in) of rain recorded over 19 days. This makes it one of the wetter months of the year, following the peak rainfall of 345 mm (13.6 in) in July. The transition into autumn brings a consistent drizzle that beautifully enhances the region's vibrant foliage. Compared to the preceding month, September, where 239 mm (9.4 in) fell over 25 days, October sees a notable increase in total precipitation, signaling a change in weather dynamics as temperatures begin to cool. This uptick also reflects an overall trend of high rainfall from late spring through early autumn, making October a pivotal month for hydrating the lush landscapes that Nikko is known for.
In October, humidity in Nikko, Japan typically hovers around 87%, which reflects a slight dip from the higher levels of the summer months. After the sweltering July and August, where humidity peaked at 92%, the fall season brings a welcome relief with cooler temperatures and more comfortable moisture levels. September witnesses a gradual decrease to 89%, setting the stage for October's climate, which remains comparatively high but marks the transition towards drier conditions as winter approaches. This pattern reveals a consistent humidity trend throughout the year, with the notable high points of summer giving way to the more moderate levels of autumn, providing a refreshing ambiance for visitors in this picturesque locale.
As October arrives in Nikko, Japan, the UV Index experiences a notable decrease from the extreme levels of summer, reaching a moderate high of 7. With a burn time of 25 minutes, this month provides a more balanced opportunity for outdoor activities compared to the intense UV exposure seen from June through August, when indices peaked at 11. After the summer's extreme sun, October's shift to a high exposure category signals that while it's safer, protection against UV rays remains important. As the leaves begin to change, it's a great time to enjoy the beauty of nature while being mindful of sun safety. For more details, check out the comprehensive guide at Nikko UV Index.
UV Risk Categories
In October, Nikko, Japan, enjoys a delightful transition as 209 hours of sunshine sprinkle warmth over the vibrant autumn landscape. This month marks a notable decline in sunlight compared to the heights of spring and summer, where hours peaked at an impressive 284 in May and 278 in April. Despite this decrease, October's golden rays continue to illuminate the stunning foliage, offering a beautiful precursor to the cooler months ahead. As the daylight gently wanes, visitors are treated to a picturesque blend of colorful leaves and soft sunlight, making it a perfect time for exploration and appreciation of Nikko's natural beauty.
In October, Nikko, Japan, enjoys a 41% chance of sunny weather, providing a refreshing break from the preceding months, where sunlight is more scarce. Notably, this month sees a slight rise in sunshine probabilities compared to the summer's gloomier statistics, mirroring the increasing daylight hours as autumn deepens. As temperatures begin to cool, the chance of clear skies becomes more appealing, making October an attractive time for visitors seeking to experience the vibrant fall foliage against a backdrop of blue skies. Interestingly, this percentage is a precursor to the sunnier months ahead in November and December, suggesting that while October may still bring its share of clouds, there’s a delightful promise of sun on the horizon.
As October arrives in Nikko, Japan, the days begin to noticeably shorten after the long, vibrant summer months. With approximately 11 hours of daylight, October reflects a gentle descent from the peak of summer’s 14 hours, signaling the onset of autumn's embrace. This gradual reduction in daylight is a precursor to the cooler months ahead, as it aligns with a steady decline that started in September and will continue through November. Each month from January to October offers a unique dance of light, but October stands out for its balanced mix of lingering warmth and the crispness of fall, making it a beautiful time to experience the changing scenery.
In Nikko, Japan, October ushers in a gentle increase in wind speed, averaging around 1.7 m/s (4 mph). This is a welcome change from the summer months, which typically see minimal breezes, with speeds dropping as low as 1.2 m/s (3 mph) in July. As the seasons transition, October offers a refreshing lift compared to the calm of August and September, hinting at the natural shifts that characterize autumn. The winds remain mild, setting the stage for the vibrant foliage that adorns the region, as the landscape transforms under the enchantment of cool, crisp air. This seasonal breeze is not just a welcome relief but also an integral part of the serene beauty that Nikko presents in October, making it an ideal time for visitors to immerse themselves in nature’s splendor.
Weather in Nikko varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Nikko, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present stark contrasts in weather. In October, temperatures range from a cool 0°C (33°F) to a warm 25°C (78°F), with an average of 13°C (55°F). This month sees considerable precipitation, totaling 279 mm (11.0 in) over 19 days, coupled with high humidity at 87%. In contrast, January brings a much colder climate, with temperatures dipping as low as -12°C (11°F) and averaging -2°C (29°F), peaking at only 9°C (49°F). The precipitation is significantly reduced to 55 mm (2.2 in) over just 11 days, and humidity remains slightly elevated at 88%. For a closer look at January's weather specifics, check out Nikko weather in January.
October and February present stark contrasts in weather conditions. October enjoys a milder temperature range, with lows around 0°C (33°F), averages of 13°C (55°F), and occasional highs reaching 25°C (78°F). This month also experiences significant rainfall, with 279 mm (11.0 in) of precipitation over 19 days, contributing to high humidity levels of 87%. In contrast, February is much colder, with minimum temperatures dropping to -15°C (5°F) and average temperatures hovering around -1°C (30°F). While the maximum can reach a relatively mild 16°C (61°F), February sees considerably less precipitation, totaling 53 mm (2.1 in) over just 11 days, with humidity at a comparable 86%. For more details on February weather, you can check Nikko weather in February.
In comparing the weather between October and March, October presents a milder atmosphere with average temperatures around 13°C (55°F) and maximums reaching 25°C (78°F), while March is significantly cooler, featuring average temperatures of only 4°C (39°F) and maximums up to 19°C (67°F). October is characterized by higher humidity levels at 87% and greater precipitation, accumulating 279 mm (11.0 in) over 19 days. In contrast, March experiences lower precipitation at 142 mm (5.6 in) over 14 days and a slightly reduced humidity of 81%. For more detailed insights, you can explore Nikko weather in March.
October and April present distinct weather patterns, highlighting the transition between seasons. In October, temperatures range from a minimum of 0°C (33°F) to a maximum of 25°C (78°F), with an average of 13°C (55°F). The month is notably wetter, receiving 279 mm (11.0 in) of precipitation over 19 days, accompanied by high humidity at 87%. In contrast, April experiences cooler conditions, with temperatures that dip as low as -4°C (24°F) but can reach up to 24°C (76°F), averaging around 8°C (47°F). While April sees less rainfall, totaling 143 mm (5.6 in) over 15 days, the humidity is lower at 78%. For more detailed weather insights during this month, you can explore Nikko weather in April.
In comparing the weather of October and May, we see notable differences in both temperature and precipitation patterns. October experiences temperatures ranging from a chilly minimum of 0°C (33°F) to a comfortable maximum of 25°C (78°F), while May presents a slightly warmer range, with temperatures between 1°C (34°F) and 28°C (82°F). Precipitation is more abundant in October, with 279 mm (11.0 in) falling over 19 days, compared to May's 176 mm (6.9 in) over 18 days. Additionally, October's humidity is higher at 87%, compared to May's 81%, contributing to a distinctly different feel in the air. For those interested in more details, visit Nikko weather in May.
October and June showcase distinct weather patterns, reflecting the transition from autumn to summer. In October, temperatures range from a chilly 0°C (33°F) at night to a comfortable 25°C (78°F) during the day, with an average of 13°C (55°F). This month experiences significant rainfall, with 279 mm (11.0 in) over 19 days, contributing to a high humidity level of 87%. In contrast, June offers warmer nights, with temperatures starting at a minimum of 7°C (44°F) and peaking at 27°C (81°F), averaging 17°C (63°F). Despite slightly less precipitation at 225 mm (8.8 in) over 21 days, the humidity remains high at 88%. For more detailed insights into the climate, you can check Nikko weather in June.
When comparing the weather in October to July, it’s clear that July tends to be warmer, with average temperatures around 21°C (70°F) compared to October's milder average of 13°C (55°F). July also sees higher maximum temperatures, reaching up to 31°C (88°F), while October peaks at a more moderate 25°C (78°F). However, October brings its own challenges with significantly higher precipitation, totaling 279 mm (11.0 in) over 19 days, while July experiences 345 mm (13.6 in) of rainfall across 27 days. Humidity levels are similarly high, with October at 87% and July slightly higher at 92%. For more detailed insights on July weather, you can check out Nikko weather in July.
October and August present notably different weather patterns. In October, temperatures vary more dramatically, starting as low as 0°C (33°F) and reaching a maximum of 25°C (78°F), with an average of 13°C (55°F). This month is characterized by higher precipitation levels, totaling 279 mm (11.0 in) over 19 days, and a humidity level of 87%. In contrast, August tends to be warmer, showcasing milder temperatures that range from a minimum of 10°C (50°F) to a maximum of 32°C (89°F), with an average of 23°C (73°F). Though it experiences a slightly lower total precipitation of 273 mm (10.7 in), rain is observed on more days (26), and humidity is at a higher level of 92%. For those interested in more details about August weather, you can visit Nikko weather in August.
In comparing the weather of October to that of September, we see a marked transition from late summer to autumn. October features noticeably cooler temperatures, with a minimum of 0°C (33°F) and an average of 13°C (55°F), compared to September’s milder minimum of 6°C (43°F) and an average of 18°C (65°F). Additionally, October experiences increased precipitation, totaling 279 mm (11.0 in) over 19 days, while September records 239 mm (9.4 in) spread over 25 days. Humidity levels remain relatively high in both months, with October at 87% and September slightly higher at 89%. For a more detailed look at September weather conditions, you can refer to Nikko weather in September.
October and November exhibit notable differences in weather conditions. In October, temperatures range from a minimum of 0°C (33°F) to a maximum of 25°C (78°F), with an average temperature of 13°C (55°F). The month is also quite wet, receiving 279 mm (11.0 in) of precipitation across 19 days, and maintaining a high humidity level of 87%. In contrast, November sees cooler temperatures, with lows dipping to -4°C (25°F) and highs reaching 18°C (64°F), resulting in an average of 7°C (44°F). Precipitation significantly decreases to 61 mm (2.4 in) over just 7 days, and humidity remains slightly lower at 85%. For more detailed insights, check out this link: Nikko weather in November.
October weather is characterized by much milder temperatures, with averages around 13°C (55°F) and maximums reaching up to 25°C (78°F), while December sees significantly colder conditions with an average temperature of just 1°C (34°F) and a minimum plunging to -11°C (12°F). Additionally, October is quite wet, receiving 279 mm (11.0 in) of precipitation over 19 days, compared to December's much drier conditions with only 68 mm (2.7 in) over 11 days. Humidity levels remain similar, at 87% in October and slightly lower at 86% in December, contributing to a damp chill as winter sets in. For more specific details regarding local conditions, check out Nikko weather in December.
October in Nikko presents a dynamic shift in weather compared to the preceding months. As autumn settles in, you'll experience cooler temperatures, with crisp mornings that can dip close to freezing, contrasting sharply with the mild conditions of summer. The increased precipitation, averaging about 19 days of rain, and the high humidity of 87% contribute to a lush, vibrant landscape, perfect for enjoying the fall foliage. This month invites exploration with its refreshing but unpredictable weather, making each outing a delightful adventure. For a deeper understanding of how October’s climate fits into the overall yearly patterns, visit Nikko Climate.