Last updated: August 21, 2025
Experience the August weather in Nanao, Japan, where the warm embrace of summer manifests in striking ways. The maximum temperature can soar to a blistering 39°C (103°F), while the average remains a comfortable 29°C (84°F). Nights cool down to a pleasant 20°C (69°F), offering a refreshing respite. With 228 mm (9.0 in) of rainfall spread over 16 days, expect vibrant greenery amidst the humidity levels peaking at an impressive 92%. This combination of warmth and moisture creates a dynamic summer atmosphere, enhancing the charm of Nanao for both residents and visitors alike.
In August, Nanao, Japan, experiences a summer peak characterized by warm temperatures that create a lively atmosphere. With minimums averaging around 20°C (69°F) and soaring to maximums of 39°C (103°F), the month showcases a striking average of 29°C (84°F), making it one of the hottest periods of the year. This significant rise in temperatures from the cooler months illustrates a clear shift into summer, where the warmth is often accompanied by humidity, prompting locals and visitors alike to enjoy outdoor festivals and vibrant beach scenes. As the heat intensifies, the charm of Nanao thrives, demonstrating how each month evolves and sets the stage for a unique seasonal experience.
In August, Nanao, Japan, experiences a notable surge in precipitation, accumulating 228 mm (9.0 in) over 16 rainy days. This substantial rainfall is part of a trend observed during the summer months, with July leading the pack at an impressive 295 mm (11.6 in), highlighting the region's propensity for heavy rain. Following this peak, August continues to deliver significant moisture, albeit with slightly lower totals, setting the stage for lush greenery and vibrant landscapes. Notably, as the summer transitions into autumn, precipitation remains high, with September also demonstrating a robust total of 222 mm (8.7 in). This pattern underscores the critical role of late summer and early autumn rains in sustaining Nanao's rich natural beauty.
In Nanao, Japan, August brings a significant peak in humidity, measuring at 92%, just slightly down from the record high of 93% seen in July. This month marks the culmination of a steady climb in humidity levels that starts in the early summer, where June and July exhibit their own high figures of 89% and 93%, respectively. As the year progresses, humidity generally remains elevated, particularly from May through September, highlighting a trend where warmer months consistently feature higher moisture levels. Interestingly, as autumn approaches, humidity begins to taper off, with September reporting a drop to 84%. This shifting pattern paints a vivid picture of Nanao's humid climate, characterized by its sweltering, sticky summers before transitioning into the dryer fall season.
In August, Nanao, Japan, experiences a consistently high UV Index of 11, categorized as extreme, which means residents and visitors alike should be especially cautious when spending time outdoors. With a quick burn time of just 10 minutes, it's crucial to take protective measures against harmful UV rays. This trend of heightened UV levels continues from the preceding months of June and July, signaling a peak in summer sun intensity. Previously, the UV Index saw significant increases from March's moderate levels of 7 to the very high readings recorded in April and May. As summer unfolds, the UV intensity remains equally alarming, making it essential to stay informed and protect your skin throughout the month. For more insights, visit Nanao UV Index.
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August bathes Nanao, Japan, in a delightful 311 hours of sunshine, marking it as the sunniest month of the year. This radiant peak follows a consistent upward trend from the cooler months, where sunlight gradually increases from 152 hours in January to a vibrant 285 hours by April. The sun-drenched days continue through June and July, hovering around the 300-hour mark, before reaching their zenith in August. As the summer fades into September, sunlight dips to 257 hours, suggesting a gentle transition into autumn. Overall, the trend reflects not only the seasonal warmth but also a vibrant tapestry of light that enhances Nanao’s beauty.
In Nanao, Japan, the month of August presents a notably lower chance of sunny weather, at just 24%. This figure stands out against the warmer months, with July enjoying a 40% likelihood of sunshine, indicative of a trend where summer's peak often brings its most favorable weather. However, as summer fades into early fall, the odds see a slight increase again, with September climbing to 35%. Overall, the data reveals that while August may be one of the warmest months, it tends to be less reliable for sunny days, urging locals and visitors alike to keep an eye on the weather forecasts as they plan their activities.
In Nanao, Japan, the daylight duration follows a captivating seasonal rhythm that reflects the changing moods of each month. As winter yields to spring, January starts with a modest 9 hours of daylight, gradually increasing to 11 hours by March, signaling the arrival of warmer days. The transition into summer is marked by a peak of 14 hours in May through July, where long, sun-drenched days invite outdoor adventures. As August rolls in, daylight sees a subtle decline to 13 hours, hinting at the impending autumn. Following this, September brings back 12 hours of light, with a gentle tapering off as the year progresses, culminating in December's return to 9 hours. This ebb and flow of daylight beautifully illustrates the dynamic relationship between nature and time in Nanao.
In Nanao, Japan, the August winds are gentle, with an average speed of 2.5 m/s (6 mph), reflecting the region's milder summer climate. The trend shows a significant drop in wind speeds during the peak months of June and July, where they hover around 2.1 to 2.2 m/s (5 mph). This lull in breezes continues into August, suggesting a sense of calm as the oppressive heat of summer persists. However, as the seasons transition into autumn, wind speeds begin to rise again, with September witnessing a slight increase to 2.6 m/s (6 mph), and October further boosting to 2.9 m/s (7 mph). This gradual return of wind signals the impending seasonal shift, preparing Nanao for the cool, refreshing gales that characterize the fall and winter months.
Weather in Nanao varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Nanao, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present stark contrasts in weather conditions. In August, temperatures soar with a minimum of 20°C (69°F) and can reach highs of 39°C (103°F), making it the warmest month of the year. This heat is accompanied by significant humidity (92%) and heavy precipitation, totaling 228 mm (9.0 in) over 16 days. Conversely, January experiences frigid temperatures, with a minimum of -4°C (24°F) and an average of just 5°C (41°F). While it is much colder, precipitation is lower, totaling 115 mm (4.5 in) across 19 days, and the humidity is slightly reduced at 80%. For more detailed insights, you can check Nanao weather in January.
August and February present stark contrasts in weather. In August, temperatures soar, with averages around 29°C (84°F) and peaks reaching up to 39°C (103°F), accompanied by high humidity levels of 92%. This summer month also experiences substantial rainfall, with 228 mm (9.0 in) of precipitation spread over 16 days. In contrast, February is marked by much cooler temperatures, averaging 5°C (41°F) and reaching a maximum of 18°C (65°F). The winter month sees significantly less precipitation at 106 mm (4.2 in), while also maintaining 16 days of rainfall, but with lower humidity at 78%. Together, these months beautifully illustrate the seasonal extremes. For more detailed insights, check out Nanao weather in February.
August and March present stark contrasts in weather conditions. August is characterized by sweltering temperatures, with an average of 29°C (84°F) and highs reaching up to 39°C (103°F). Humidity is notably high at 92%, and the month averages about 228 mm (9.0 in) of precipitation over 16 days. In contrast, March features much cooler temperatures, with an average of only 9°C (48°F) and a maximum of 22°C (72°F). The humidity is lower at 76%, and while it still experiences rainfall, March has only around 126 mm (5.0 in) across 15 days. For a detailed look at the weather in March, you can read more here: Nanao weather in March.
When comparing the weather in August and April, distinct contrasts emerge. August boasts much warmer temperatures, with a minimum of 20°C (69°F) and an average of 29°C (84°F), peaking at a sweltering 39°C (103°F). In stark contrast, April experiences cooler conditions, featuring a minimum temperature of 2°C (35°F) and an average of only 13°C (55°F), while the maximum reaches a modest 27°C (82°F). Additionally, August is characterized by higher humidity levels at 92% and significantly more rainfall, accumulating 228 mm (9.0 in) over 16 days, compared to April's 144 mm (5.7 in) over 13 days. For more details on April weather, you can refer to Nanao weather in April.
August and May exhibit stark contrasts in weather patterns. In August, temperatures soar with a minimum of 20°C (69°F) and can reach up to a blistering 39°C (103°F), resulting in an average of 29°C (84°F). This month is also notably humid, with humidity levels at 92% and significant rainfall of 228 mm (9.0 in) over 16 days. In contrast, May presents a much cooler climate, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 30°C (87°F) and an average of 18°C (66°F). The precipitation is considerably less at 103 mm (4.0 in) over 12 days, and the humidity is slightly lower at 85%. For more detailed weather information in May, you can refer to Nanao weather in May.
August typically presents much warmer conditions compared to June, with temperatures ranging from a minimum of 20°C (69°F) to a scorching maximum of 39°C (103°F) and an average of 29°C (84°F). In contrast, June experiences cooler temperatures, with a minimum of 13°C (56°F), an average of 22°C (72°F), and a maximum of 32°C (90°F). While August sees significantly higher humidity at 92% and more precipitation (228 mm over 16 days), June has lower humidity at 89% and less rainfall, totaling 141 mm over 11 days. For more insights on June weather, you can check Nanao weather in June.
When comparing the weather in August to July, it becomes evident that August tends to be slightly hotter, with an average temperature of 29°C (84°F) compared to July's 27°C (80°F). While August reaches a maximum of 39°C (103°F), July's highest temperature is a bit lower at 37°C (99°F). However, July experiences more precipitation, totaling 295 mm (11.6 in) over 19 days, in contrast to August's 228 mm (9.0 in) over 16 days. Humidity remains high in both months, with July at 93% and August slightly lower at 92%. For a detailed look at July's weather specifics, you can check Nanao weather in July.
August and September exhibit noticeable differences in weather conditions. August typically experiences higher temperatures, with averages around 29°C (84°F) and maximums reaching up to 39°C (103°F), along with high humidity levels of 92%. It is also characterized by significant rainfall, totaling 228 mm (9.0 in) over 16 days. In contrast, September brings a notable drop in temperatures, with an average of 24°C (76°F) and maximums peaking at 38°C (100°F). Precipitation remains similar at 222 mm (8.7 in) over 15 days, but humidity decreases to 84%. For more details, you can check out Nanao weather in September.
In August, the weather is characterized by high temperatures, with a minimum of 20°C (69°F) and an average of 29°C (84°F), peaking at a scorching 39°C (103°F). This warmth is accompanied by significant precipitation of 228 mm (9.0 in) over 16 days, along with high humidity levels at 92%. In contrast, October experiences a much cooler climate, with temperatures ranging from a minimum of 10°C (51°F) to an average of 19°C (66°F) and a maximum of 32°C (89°F). The fall month sees a reduction in rainfall, with 160 mm (6.3 in) spread over 13 days, and the humidity also drops to 81%. For more details on October's weather, you can explore Nanao weather in October.
In August, the weather is typically hot and humid, with temperatures ranging from a minimum of 20°C (69°F) to a scorching maximum of 39°C (103°F) and an average of 29°C (84°F). This summer month experiences significant rainfall, with 228 mm (9.0 in) of precipitation over 16 days, and humidity levels soaring at 92%. In contrast, November brings a much cooler climate, with temperatures dropping significantly to a minimum of 3°C (37°F) and a maximum of 26°C (78°F), averaging around 13°C (55°F). Rainfall decreases to 107 mm (4.2 in) across 13 days, and the humidity also lowers to 77%. For more detailed information on November weather specifically, you can visit Nanao weather in November.
In August, the weather is characterized by high temperatures, with average daily highs reaching up to 39°C (103°F) and humidity levels soaring at 92%. This month also sees significant rainfall, with 228 mm (9.0 in) spread over 16 days, creating a hot and humid atmosphere. In contrast, December presents a much cooler climate, where temperatures can drop to a minimum of -2°C (28°F) and average around 7°C (45°F). Although it experiences precipitation on 22 days, the total rainfall is lower at 153 mm (6.0 in), and humidity levels drop to 79%. For a more detailed look at December weather, you can refer to Nanao weather in December.
In August, Nanao experiences its peak summer heat, with sweltering temperatures that make the month stand out from the milder conditions of other seasons. With high humidity levels hovering around 92%, the air can feel heavy and stifling, intensifying the warm sensation of the average temperature. Unlike the drier months, this period also sees substantial precipitation, with rain falling over nearly half the days, providing much-needed relief. The combination of heat and moisture gives August its unique character, making it a month where locals and visitors alike must prepare for both sun and rain. For more information on the weather trends throughout the year, check out Nanao Climate.