Last updated: August 21, 2025
In August, Rishiri Town, Japan, experiences a pleasant climate characterized by a maximum temperature of 26°C (79°F) and an average of 20°C (68°F). The minimum temperature dips to 15°C (60°F), creating comfortable conditions for outdoor activities. However, visitors should be prepared for considerable rainfall, with an average precipitation of 148 mm (5.8 in) spread over 13 days, contributing to a high humidity level of 94%. This combination of warm temperatures and moisture-rich air embodies the vibrant beauty of summer in Rishiri, making it an enchanting destination for nature lovers and adventure seekers alike.
In August, Rishiri Town experiences the peak of summer, with temperatures reflecting a delightful warmth that contrasts sharply with the frigid winter months. The minimum temperature rises to a comfortable 15°C (60°F), while the average hovers around 20°C (68°F), making this a pleasant time for outdoor activities. The maximum temperature, reaching 26°C (79°F), allows residents and visitors alike to enjoy the lush landscapes and breathtaking views that define this picturesque town. As we transition from the cool spring months of earlier in the year, August showcases a notable shift, where the mild days invite relaxation and exploration under the warm sun, setting the stage for a vibrant summer experience.
In August, Rishiri Town experiences a notable spike in precipitation, receiving 148 mm (5.8 in) of rain, the highest monthly total of the year. This increase contrasts sharply with the drier months of April and May, which average less than 80 mm. With 13 days of rainfall, August demonstrates a more moderate frequency compared to the wetter winter months, such as November with its 22 rainy days. This mid-summer deluge reflects a shift in weather patterns, as the town transitions from the warm July conditions towards the more humid autumn season, setting the stage for the heavier precipitation that characterizes the latter part of the year.
In Rishiri Town, Japan, the month of August marks the peak of humidity, reaching an impressive 94%. This high level is part of a noticeable trend throughout the summer months, where humidity steadily increases from 88% in June to 93% in July before hitting its zenith in August. Following this peak, humidity begins to decline in September, dropping to 86%, indicating a transition toward the cooler, drier autumn months. Overall, the data reflects a characteristic humid climate that influences the region’s lush landscapes and unique weather patterns, with summer clearly showcasing the highest moisture levels.
In August, Rishiri Town experiences a very high UV Index of 9, emphasizing the need for sun protection as the risk of harm from unprotected sun exposure intensifies. With a burn time of just 15 minutes, residents and visitors alike should take caution, as this level of UV radiation mirrors the peaks seen in the preceding months of June and July. Notably, this trend indicates a continuous summer season where UV exposure remains a significant concern. As daylight hours remain long and the sun powerful, being aware of the UV Index is essential for enjoying outdoor activities safely. For more detailed information about UV levels throughout the year, visit Rishiri Town UV Index.
UV Risk Categories
August in Rishiri Town radiates with 286 hours of sunshine, making it one of the sunniest months of the year. Following the peak of 325 hours in July, the sunlight begins to slightly wane, yet it still delights residents and visitors alike. As summer progresses, the trend shows a gradual transition from late spring's vibrant 305 hours in May to the cooler seasons ahead. Interestingly, this summer glow contrasts sharply with the winter months, where January's mere 116 hours serves as a stark reminder of the seasonal shifts. Thus, Rishiri's August sunshine encapsulates the beauty of summer, offering a warm embrace before the days grow shorter.
In Rishiri Town, Japan, August offers a promising chance of sunshine, with a 44% likelihood of clear skies. This figure aligns closely with the preceding month of July, also at 44%, indicating a stable summer pattern where sunny days are consistently prevalent. As one of the sunniest months alongside June and September, August marks a delightful peak in the summer season, drawing visitors to relish the charm of outdoor activities. Interestingly, the trend shows a gradual increase from the dreary early months of the year, suggesting that August is a fantastic time to soak in the sun's warmth before the cooler autumn months settle in.
In Rishiri Town, Japan, August offers a delightful 14 hours of daylight, a slight decrease from the peak of 15 hours experienced in the preceding months of June and July. This transition marks a gentle shift as summer begins to yield to autumn; however, the lingering warmth and extended evenings allow for ample opportunities to enjoy the lush natural beauty of the region. As daylight gradually wanes in September to 12 hours, the vibrant landscape starts to transform, signaling the onset of a new season. This rhythmic dance of light throughout the year not only shapes the town's climate but also influences local activities, establishing a captivating cycle of daylight that defines the community's cultural fabric.
In Rishiri Town, Japan, the month of August experiences a gentle breeze with an average wind speed of 6.1 m/s (14 mph), reflecting a dip from the heavier gusts of earlier months. Throughout the year, the wind pattern showcases significant fluctuations, peaking in the colder months of November and December, where speeds reach 8.8 m/s (20 mph) and 9.3 m/s (21 mph), respectively. As summer wanes and August rolls in, the winds have softened from a summer's low of 4.7 m/s (10 mph) in July, suggesting a transitional period before the brisk autumnal winds return. This pattern not only illustrates the dynamic nature of Rishiri's climate but also offers a serene respite during the peak of summer, inviting visitors to relish the calm before the seasonal shift.
Weather in Rishiri Town varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Rishiri Town, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present stark contrasts in weather conditions. In August, temperatures range from a mild 15°C (60°F) at night to a warm 26°C (79°F) during the day, with an average of 20°C (68°F). However, this month is characterized by high humidity at 94% and significant rainfall, averaging 148 mm (5.8 in) over 13 days. In comparison, January brings frigid cold, where temperatures can dip as low as -12°C (10°F) and only reach a maximum of 5°C (40°F), resulting in an average of -3°C (27°F). Additionally, January sees precipitation on 21 days, totaling 108 mm (4.3 in), with a humidity level of 87%. For a closer look at weather conditions in January, you can visit Rishiri Town weather in January.
August and February present strikingly contrasting weather conditions. In August, temperatures range from a minimum of 15°C (60°F) to a maximum of 26°C (79°F), with an average of 20°C (68°F). This summer month experiences high humidity at 94% and substantial rainfall, totaling 148 mm (5.8 in) across 13 days. In stark contrast, February sees much colder weather, with temperatures plummeting to a minimum of -14°C (7°F) and a maximum of only 5°C (41°F), averaging -3°C (27°F). Although it receives slightly less precipitation than August at 103 mm (4.1 in), it occurs over more days, tallying 21 rainy days, and the humidity is lower at 84%. For more insights, check out Rishiri Town weather in February.
August and March present stark contrasts in weather patterns. In August, temperatures are much warmer, with daily averages around 20°C (68°F) and a maximum of 26°C (79°F), while March experiences much cooler conditions, with temperatures peaking at only 8°C (46°F) on average. Additionally, August is characterized by high humidity at 94% and receives significant rainfall, totaling 148 mm (5.8 in) over 13 days. In contrast, March sees less precipitation, with 75 mm (2.9 in) over 14 days, and a lower humidity level of 83%. For those interested in detailed observations, you can check Rishiri Town weather in March.
August and April present stark contrasts in weather patterns. In August, temperatures soar with a minimum of 15°C (60°F) and an average of 20°C (68°F), peaking at a warm 26°C (79°F). The month is characterized by high humidity at 94% and substantial rainfall, totaling 148 mm (5.8 in) over 13 days. Conversely, April is much cooler, with temperatures ranging from a minimum of -2°C (29°F) to an average of 5°C (41°F) and a maximum of just 11°C (52°F). It sees significantly less precipitation at 50 mm (2.0 in) across 9 days and lower humidity at 84%. For an in-depth look at April’s weather conditions, you can check Rishiri Town weather in April.
When comparing the weather in August to that of May, it's evident that August experiences much warmer temperatures, with an average of 20°C (68°F) compared to May's cooler average of just 9°C (48°F). August also boasts higher maximum temperatures, reaching up to 26°C (79°F), while May peaks at only 17°C (62°F). Additionally, August is characterized by significantly higher humidity at 94%, in contrast to May's lower level of 88%. Precipitation levels are greater in August as well, with 148 mm (5.8 in) over 13 days, compared to May's 78 mm (3.1 in) over 11 days. For more details on May weather specifics, you can refer to Rishiri Town weather in May.
In comparing the weather between June and August, August generally presents a warmer and more humid experience. August sees average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 26°C (79°F), while June is significantly cooler, with temperatures ranging from 6°C (43°F) to 17°C (63°F). Additionally, August experiences higher precipitation levels of 148 mm (5.8 in) over 13 days, compared to June's 88 mm (3.5 in) over 10 days. The humidity also rises in August to 94%, making it feel more tropical compared to June's 88%. For a closer look at June’s weather specifics, you can visit Rishiri Town weather in June.
In comparing the weather of August and July, we see some notable differences. August tends to be slightly warmer, with average temperatures reaching 20°C (68°F), compared to July's average of 18°C (64°F). Both months experience similar maximum temperatures of 26°C (79°F) and 26°C (78°F) respectively. However, August receives more precipitation, totaling 148 mm (5.8 in) over 13 days, versus July’s 104 mm (4.1 in) over only 8 days. Humidity levels are quite comparable, with August at 94% and July at 93%. Overall, August appears to be slightly warmer and wetter than July. For more details on July weather, you can visit Rishiri Town weather in July.
In August, the weather tends to be warmer and more humid, with average temperatures around 20°C (68°F) and maximums reaching up to 26°C (79°F). This month also experiences higher precipitation, totaling 148 mm (5.8 inches) over approximately 13 rainy days, contributing to a humid environment with humidity levels around 94%.
In contrast, September brings slightly cooler temperatures, with averages dropping to 18°C (65°F) and maximums of 25°C (77°F). Precipitation decreases significantly to 92 mm (3.6 inches), occurring over about 10 days, and humidity levels lower to 86%. For those interested in the detailed weather patterns, you can find more information here: Rishiri Town weather in September.
In August, the weather tends to be much warmer, with average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 26°C (79°F), accompanied by high humidity levels of 94%. This month experiences considerable rainfall, totaling 148 mm (5.8 in) over about 13 days. In contrast, October brings cooler temperatures, with averages dropping to a minimum of 5°C (42°F) and a maximum of 19°C (67°F). While precipitation also occurs during this month, totaling 136 mm (5.4 in) over 16 days, the humidity is relatively lower at 79%. For more specific details about the weather in Rishiri Town during October, you can check this link: Rishiri Town weather in October.
August and November present distinct weather characteristics, reflecting the shift from summer to winter. In August, temperatures are pleasantly warm, ranging from a minimum of 15°C (60°F) to a maximum of 26°C (79°F), accompanied by high humidity levels at 94%. However, it receives considerable rainfall with 148 mm (5.8 in) over about 13 days. In contrast, November sees a significant drop in temperatures, with averages around 6°C (42°F) and maximums reaching only 15°C (59°F), while nighttime lows can plunge to -5°C (22°F). The month also experiences more rainy days (22), contributing to a higher total precipitation of 172 mm (6.8 in), but with lower humidity at 77%. For further details, you can check Rishiri Town weather in November.
August and December present strikingly different weather conditions. In August, temperatures are mild, with a minimum of 15°C (60°F) and an average of 20°C (68°F), peaking at 26°C (79°F). However, this month also sees significant rainfall, with 148 mm (5.8 in) falling over 13 days, resulting in high humidity levels of 94%. In contrast, December is characterized by much colder weather, with temperatures plummeting to a minimum of -9°C (16°F) and averaging around -1°C (31°F), while the maximum reaches only 12°C (55°F). This month experiences increased precipitation at 167 mm (6.6 in), spread across 27 days, though the humidity is relatively lower at 83%. For more details on December weather, you can visit Rishiri Town weather in December.
As August descends upon Rishiri Town, the weather showcases a delightful transition into warmer temperatures, distinguishing it from the cooler months. With average temperatures reaching a pleasant 20°C (68°F) and maximum highs of 26°C (79°F), summer truly makes its presence felt. However, humidity often climbs to a notable 94%, giving the air a tropical feel. August also brings substantial rainfall, with 148 mm (5.8 in) falling over about 13 days, contrasting sharply with the drier conditions typically experienced in earlier months. This blend of warmth and moisture contributes to the lush landscapes that Rishiri is known for. Discover more about what Rishiri Town has to offer throughout the year by visiting Rishiri Town Climate.