Last updated: August 21, 2025
In Nikko, Japan, August brings warm temperatures with daytime highs reaching up to 32°C (89°F) and an average of 23°C (73°F), while nighttime lows can drop to a cool 10°C (50°F). This month is notable for its high humidity levels at 92%, contributing to a lush, vibrant landscape. However, visitors should prepare for frequent rainfall, as 273 mm (10.7 in) of precipitation is typically spread over 26 days. Whether you’re exploring cultural landmarks or enjoying the natural beauty, August offers a unique experience enriched by the warm and moist climate.
In Nikko, Japan, August brings a delightful warmth, with temperatures ranging from a comfortable 10°C (50°F) at night to a peak of 32°C (89°F) during the day. This marks the height of summer, where the average temperature settles at a pleasant 23°C (73°F), inviting visitors to explore the lush greenery and stunning landscapes of the region. The warmth in August contrasts sharply with the icy lows of January, which can plummet to -12°C (11°F). As the months progress from June's milder temperatures to August's peak, one can see a steady rise that reflects the transition from spring’s chill to the vibrancy of summer. This pattern continues until a gradual decline begins in September, signaling the approach of autumn. Nikko's August weather is not just warm; it’s a perfect backdrop for outdoor activities and cultural exploration in this breathtaking part of Japan.
In August, Nikko, Japan experiences a significant precipitation of 273 mm (10.7 in), making it one of the wetter months of the year. This considerable rainfall is consistent with the overall trend observed throughout the summer, where July peaks at 345 mm (13.6 in) before slightly tapering off. With 26 days of rainfall, August provides a pivotal transition point, as the frequency of rainy days begins to decline ahead of the autumn months. This pattern reflects a seasonal rhythm, where increasing temperatures and humidity during the summer months lead to a surge in precipitation, before moving towards the drier, cooler conditions typical of fall. Overall, August serves as a bridge between the intense summer rains and the more moderate precipitation that follows in September and October.
August in Nikko, Japan, sees humidity levels peaking at 92%, tying with July for the highest of the year. This notably high humidity, a trend that begins in the warmer months, creates a sticky, sultry atmosphere as summer reaches its zenith. Following a gradual descent from January’s 88%, humidity remains consistently high through the summer, with June and July both hovering around 88% to 92%. As August transitions into September, humidity levels begin to wane, suggesting a relief as autumn approaches. Overall, the year showcases an interesting fluctuation, with late summer offering the most humid conditions, setting the stage for a vibrant yet moist environment in this scenic locale.
In August, Nikko, Japan, experiences an extreme UV Index of 11, similar to July, making it crucial for sun seekers to take protective measures. With a quick burn time of just 10 minutes, the intensity of the sun at this time demands heightened awareness and care. As summer peaks, the UV exposure escalates significantly from the more moderate levels seen in the earlier months, reaching its zenith in July and August. This trend of rising UV indices highlights the importance of shielding yourself during these sweltering summer days. If you're planning outdoor activities, be sure to check the forecast and find more detailed information at Nikko UV Index.
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In August, Nikko, Japan, basks in a delightful 274 hours of sunshine, continuing the upward trend in daylight that begins in the spring. Following a gradual increase from 184 hours in January to 278 hours in April, the sunny days peak during the summer months, creating a vibrant atmosphere perfect for exploration. Though July sees a slight dip to 241 hours, August's rich sunshine invites both adventure and relaxation, setting the stage for the changing season ahead. As the months transition toward fall, the sunshine hours begin to taper off, with September recording 230 hours and October reflecting the return of shorter days. This pattern not only highlights the refreshing warmth of summer but also the inevitable shift to autumn's crisp embrace.
In August, Nikko, Japan, experiences a 20% chance of sunny weather, aligning with the pattern of summer months where sunshine becomes less frequent. Following a slight decline in the sunny probabilities through July and into August, the likelihood remains consistent. This trend highlights a shift from the more promising conditions earlier in the year, particularly November and October, which boast significantly higher chances at 53% and 41% respectively. Thus, while August may not be the sunniest time to visit Nikko, the beautiful scenery and cultural richness remain captivating, despite the cloudier skies.
In Nikko, Japan, daylight duration experiences a captivating ebb and flow throughout the year. As the year begins, January and February greet us with shorter days, each offering around 9 to 10 hours of sunlight. This gradual increase becomes more pronounced in spring, with March and April bringing 11 to 13 hours of daylight, inviting the blossoming beauty of nature. May and June hit a sweet spot, basking in 14 hours of daylight, perfect for outdoor exploration. As summer peaks, July maintains this radiant length, but by August, daylight begins to wane slightly to 13 hours. This transition marks the gradual shift towards autumn, with September tapering off to 12 hours and further down to 11 hours by October. The cycle concludes as winter approaches, bringing back the subdued 10 to 9 hours of daylight in November and December. This rhythmic variation not only shapes the natural landscape but also offers residents and visitors alike a wonderful opportunity to engage with the vibrant changes in scenery throughout the seasons.
In Nikko, Japan, the August winds whisper softly, with an average speed of just 1.5 m/s (3 mph), reflecting a trend of gentle breezes throughout the summer months. This calm is consistent with the declining wind patterns observed from July, where the wind dipped to its lowest average of 1.2 m/s (3 mph) before making a slight recovery in August. As the seasons transition, the winds pick up again in September and October, hinting at the approaching autumn. Overall, the summer months exhibit a serene stillness, creating a perfect backdrop for hikers and nature lovers to immerse themselves in Nikko's lush landscapes.
Weather in Nikko varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Nikko, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present strikingly contrasting weather conditions. In August, temperatures soar with a minimum of 10°C (50°F), an average of 23°C (73°F), and a peak of 32°C (89°F). The month is characterized by high humidity at 92% and substantial rainfall, totaling 273 mm (10.7 in) across 26 days, creating a lush and vibrant environment. In stark contrast, January experiences much colder temperatures, ranging from a minimum of -12°C (11°F) to a maximum of 9°C (49°F), with an average of -2°C (29°F). The winter month sees significantly less precipitation, totaling just 55 mm (2.2 in) over 11 days, and slightly lower humidity at 88%. For a more detailed look at the January conditions, you can visit Nikko weather in January.
August and February present vastly different weather conditions. In August, temperatures 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). The month is characterized by high humidity at 92% and significant precipitation, totaling 273 mm (10.7 in) over 26 days. In stark contrast, February experiences much colder temperatures, ranging from a minimum of -15°C (5°F) to a maximum of 16°C (61°F), with an average temperature of -1°C (30°F). Precipitation is considerably lower at 53 mm (2.1 in) across 11 days, and humidity is also reduced to 86%. For more details on February weather specifically, you can check Nikko weather in February.
August and March present stark contrasts in weather conditions. In August, temperatures soar, with averages around 23°C (73°F) and highs reaching up to 32°C (89°F), accompanied by high humidity at 92%. This summer month also sees substantial rainfall, totaling 273 mm (10.7 in) over 26 days. In contrast, March is much cooler, with average temperatures significantly lower at 4°C (39°F) and nighttime lows dipping to -11°C (13°F). Precipitation is also reduced, amounting to 142 mm (5.6 in) over just 14 days and with lower humidity at 81%. For more specific insights into weather patterns during this time, check out Nikko weather in March.
Comparing the weather in August and April reveals significant differences in temperature and precipitation. August boasts a much warmer climate, with average temperatures soaring to 23°C (73°F) and a maximum of 32°C (89°F), contrasted with April's cooler averages of 8°C (47°F) and a maximum of 24°C (76°F). In terms of precipitation, August is notably wetter, receiving 273 mm (10.7 in) over 26 days, while April experiences only 143 mm (5.6 in) across 15 days. Additionally, humidity levels peak in August at 92%, compared to 78% in April, making the summer month feel considerably more muggy. For a detailed look at weather specifics in April, you can visit Nikko weather in April.
August weather is generally warmer and more humid compared to May. In August, temperatures fluctuate between a minimum of 10°C (50°F) and a maximum of 32°C (89°F), with an average of 23°C (73°F). The month also experiences significant rainfall, totaling 273 mm (10.7 in) over 26 days, leading to a high humidity level of 92%. In contrast, May sees cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 28°C (82°F), averaging around 14°C (57°F). Although May is drier than August, it still receives 176 mm (6.9 in) of precipitation over 18 days and has a lower humidity of 81%. For more detailed weather information about May, you can refer to Nikko weather in May.
In August, the weather tends to be warmer and more humid compared to June, with average temperatures reaching 23°C (73°F) and maximums peaking at 32°C (89°F). In contrast, June has lower temperatures, averaging 17°C (63°F) with maximums of 27°C (81°F). Additionally, August experiences significantly more rainfall, averaging 273 mm (10.7 in) over 26 days, while June sees about 225 mm (8.8 in) across 21 days. The humidity in August also rises slightly to 92%, compared to 88% in June, making the later summer month feel more oppressive. For more detailed insights, you can check Nikko weather in June.
In comparing the weather between July and August, August experiences slightly warmer average temperatures, with an average of 23°C (73°F) compared to July's 21°C (70°F). However, July has a higher minimum temperature of 14°C (57°F) and a slightly lower maximum temperature of 31°C (88°F) when compared to August's maximum of 32°C (89°F). Both months share the same level of humidity at 92%, yet August sees a reduction in precipitation to 273 mm (10.7 in) over 26 days, while July has more rain at 345 mm (13.6 in) over 27 days. For more detailed weather insights, you can visit Nikko weather in July.
August and September showcase noticeable shifts in weather conditions. In August, the average temperature reaches a warm 23°C (73°F), with a maximum of 32°C (89°F), but the month also experiences high humidity levels at 92% and substantial rainfall, totaling 273 mm (10.7 in) over 26 days. In contrast, September brings a cooler climate, with average temperatures dropping to 18°C (65°F) and a maximum of 29°C (84°F), while humidity slightly decreases to 89%. Precipitation also decreases, totaling 239 mm (9.4 in) over 25 days. For more insights on the weather during this month, you can check out Nikko weather in September.
August and October present a significant contrast in weather conditions. In August, temperatures 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), accompanied by high humidity levels at 92%. The month also sees substantial precipitation, totaling 273 mm (10.7 in) over 26 days. In contrast, October experiences cooler temperatures, with a range of 0°C (33°F) to 25°C (78°F) and an average of just 13°C (55°F). Although October has slightly higher total precipitation at 279 mm (11.0 in), it occurs over fewer days, with rain falling on 19 days and humidity dropping to 87%. This shift from warm, humid summer conditions to the crisp, cooler atmosphere of autumn is quite pronounced. For more detailed information on October weather, check Nikko weather in October.
August and November present strikingly different weather patterns. In August, temperatures 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). This month sees considerable rainfall, with precipitation measuring 273 mm (10.7 in) over 26 days, resulting in high humidity levels of 92%. In contrast, November experiences much cooler temperatures, with a minimum of -4°C (25°F), an average of 7°C (44°F), and a maximum of 18°C (64°F). Precipitation drops significantly to 61 mm (2.4 in) over just 7 days, and humidity also decreases slightly to 85%. For more specific details on November weather, visit Nikko weather in November.
August and December present stark contrasts in weather. In August, temperatures soar with a minimum of 10°C (50°F) and peaks reaching up to 32°C (89°F), creating a warm and humid atmosphere with an average humidity of 92%. This month also sees significant rainfall, with 273 mm (10.7 in) falling over 26 days. In contrast, December experiences much colder temperatures, where the mercury can drop to a minimum of -11°C (12°F) and only rise to a maximum of 16°C (61°F). Precipitation is notably lower, totaling 68 mm (2.7 in) over 11 days, and humidity lingers at 86%. For more specific insights about Nikko's winter climate, check out Nikko weather in December.
August in Nikko brings a notable shift in weather compared to the rest of the year, characterized by warm temperatures and heightened humidity. With average highs reaching a tropical 32°C (89°F) and a significant increase in precipitation, this month experiences frequent rain and overcast skies, making the lush landscapes even more vibrant. While visitors can enjoy the beauty of this serene town, it’s essential to prepare for the sticky and often wet conditions. For a deeper understanding of the climate trends throughout the year, explore Nikko Climate.