Last updated: August 21, 2025
In August, Koshi, Japan, experiences warm temperatures that peak at a maximum of 35°C (96°F), with an average of 28°C (82°F) and cooling down to a minimum of 18°C (65°F). This summer month is characterized by high humidity levels averaging 91%, making the air feel quite muggy. Rainfall is significant, with an accumulated precipitation of 277 mm (10.9 in) spread over about 15 days, providing a refreshing contrast to the heat. Visitors can expect a blend of sunshine and showers, creating a vibrant atmosphere during this lively time of year.
In August, Koshi, Japan, experiences some of the warmest temperatures of the year, with a minimum of 18°C (65°F) and a sizzling maximum soaring to 35°C (96°F). This month, the average temperature reaches a comfortable 28°C (82°F), indicating that summer is in full swing. Following July's heat, where temperatures peaked at the same maximum, August maintains this tropical vibe, making it a perfect time for outdoor activities and enjoying the lush landscapes. As the summer days linger, the warmth notably contrasts with the cooler months ahead, hinting at the seasonal transition that awaits in September.
August in Koshi, Japan, sees a substantial precipitation total of 277 mm (10.9 in), occurring over 15 days. This marks a significant decrease compared to the deluge of July, which recorded an impressive 478 mm (18.8 in) over 20 days. The steady rainfall in August reflects the region's transition from the height of the monsoon season, as the summer months typically deliver the most rain. Interestingly, while precipitation decreases from July to August, it remains substantial, contributing to the lush landscapes for which the area is renowned. Following August, September experiences another dip, with 184 mm (7.2 in), indicating a gradual shift toward drier conditions as the year progresses. This trend illustrates the seasonal patterns that characterize Koshi’s climate, showcasing the delicate balance between heavy summer rains and the onset of autumn dryness.
August in Koshi, Japan, is characterized by high humidity levels, peaking at 91%. This is part of a trend that begins in late spring, where humidity steadily climbs from 84% in May to its summer apex. Following the increasing humidity in June and July, August maintains a slight drop from the previous month’s peak, yet remains significantly high. This elevated moisture level in the air can create a clammy ambiance, making the summer heat feel more intense. As the month transitions into September, a gradual decrease to 84% humidity begins, signaling the start of a shift towards more moderate conditions. The consistent high humidity throughout the summer months paints a vivid picture of Koshi's climate, highlighting the region's lush and vibrant environment.
In August, Koshi, Japan experiences an extreme UV Index of 12, marking it as one of the sunniest times of the year. With a burn time of just 10 minutes, it's crucial for sun-seekers to exercise caution and protect their skin during this peak period. This trend of heightened UV levels continues from July, emphasizing the need for awareness, as the month transitions from spring's moderate levels to intense summer sun. As September approaches, the UV Index drops slightly to 11, but remains at an extreme exposure category. For more detailed information on the UV Index throughout the year, visit Koshi UV Index.
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August shines brightest in Koshi, Japan, boasting an impressive 294 hours of sunshine—a remarkable peak that underscores the summer's warmth and vibrancy. Following a gradual ascent from 178 hours in January, the sunshine hours steadily accumulate, hitting 283 hours in May as the anticipation for summer builds. June and July maintain a healthy glow with 254 and 262 hours respectively, but it is in August that the sun truly bursts forth, inviting residents and visitors alike to bask in its rays. As the seasons transition into autumn, sunlight recedes slightly, dropping to 248 hours in September, yet the lingering warmth of summer is felt long after the sun begins to set earlier, reflecting the region's unwinding journey through changing seasons.
In Koshi, Japan, August tends to be a month of variable weather, with a 26% likelihood of sunny days. As summer reaches its peak, the chance of sunshine is notably lower than in the preceding months of May and June. This dip in sunny weather contrasts sharply with the bright days of October, which boasts a 64% chance of sun. Looking at the broader trend throughout the year, it's clear that while winter months like January and February offer a decent shot at clear skies, the heart of summer often brings a mix of clouds and humidity, making those brief moments of sunshine feel all the more precious.
In Koshi, Japan, the progression of daylight throughout the year reveals a fascinating rhythm of changing seasons. August, with its 13 hours of daylight, showcases the tail end of summer, offering the last golden stretches of sunshine before the days begin to wane. As spring blossoms in March and transitions into the longer days of June and July—both boasting 14 hours of daylight—the vibrancy of summer reaches its peak. After August, daylight starts to gently diminish, signaling the approach of autumn with 12 hours in September and further decreasing until the shorter days of winter. This dynamic dance of daylight not only enriches the natural beauty of Koshi but also invites residents and visitors alike to savor the warmth of summer moments before the seasonal shift.
In Koshi, Japan, the wind patterns tell a subtle yet interesting story throughout the year. The average wind speed peaks modestly in the winter months, with January and February recording speeds of 2.5 m/s (6 mph) and 2.8 m/s (6 mph), respectively. As spring approaches, the winds remain relatively consistent, hovering around 2.4 m/s (5 mph) in March and May. However, a noticeable decline is observed during the summer, particularly in June, where the wind drops to a gentle 1.6 m/s (4 mph), only to recover slightly in July and August. Both these months exhibit similar wind speeds of 2.3 m/s (5 mph), contributing to a calm, serene atmosphere. As autumn sets in, the winds soften again, with speeds tapering off to 2.1 m/s (5 mph) in September and eventually cooling to around 2.0 m/s (5 mph) by October. This gentle ebb and flow of wind in Koshi not only highlights the region's tranquil climate but also sets the stage for the beautiful seasonal transformations that follow.
Weather in Koshi varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Koshi, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present stark contrasts in weather conditions. August typically experiences warm and humid temperatures, with averages around 28°C (82°F) and highs reaching up to 35°C (96°F). The month sees significant precipitation, with around 277 mm (10.9 in) falling over approximately 15 days, contributing to high humidity levels of 91%. Conversely, January offers a much cooler climate, with minimum temperatures dropping to -5°C (24°F) and an average of just 6°C (42°F). Rainfall is notably lower at 54 mm (2.1 in) over only 6 days, and the humidity level is also reduced to 75%. This drastic difference in weather patterns highlights the seasonal variations experienced throughout the year. For more details, check out Koshi weather in January.
August and February present stark contrasts in weather conditions. In August, temperatures soar with a minimum of 18°C (65°F) and an average of 28°C (82°F), reaching up to a high of 35°C (96°F). The month is also characterized by significant rainfall, totaling 277 mm (10.9 in) across about 15 days, coupled with high humidity levels at 91%. In contrast, February experiences much cooler temperatures, with a minimum of -5°C (24°F) and an average of 7°C (44°F), peaking at just 20°C (69°F). Precipitation in February is notably lower at 96 mm (3.8 in) over 10 days, and humidity levels drop to 71%. For a deeper look into February weather specifics, you can check out Koshi weather in February.
When comparing the weather in August and March, a stark contrast is evident. August features a warm climate with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 35°C (96°F), averaging around 28°C (82°F). Additionally, this month experiences high humidity at 91% and significant rainfall, with 277 mm (10.9 in) over approximately 15 days. In contrast, March is much cooler, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 24°C (75°F), averaging just 11°C (52°F). The precipitation in March is considerably lower at 131 mm (5.2 in), spread over 12 days, and humidity levels are also lower at 71%. For more specific insights, you can check out the weather details for Koshi weather in March.
When comparing the weather in August and April, it's clear that August is significantly warmer and more humid. In August, temperatures range from a minimum of 18°C (65°F) to a scorching maximum of 35°C (96°F), with an average of 28°C (82°F). In contrast, April offers cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 28°C (82°F), averaging around 15°C (59°F). Additionally, August experiences much higher precipitation, with 277 mm (10.9 in) falling over 15 days, compared to April’s 132 mm (5.2 in) over just 9 days. The humidity in August peaks at 91%, making it a much more uncomfortable month compared to the 78% humidity experienced in April. For more detailed information on April weather, you can visit Koshi weather in April.
In comparing the weather between August and May, it is clear that August is significantly warmer and more humid. August experiences temperatures ranging from a minimum of 18°C (65°F) to a maximum of 35°C (96°F), with an average of 28°C (82°F) and humidity peaking at 91%. In contrast, May's temperatures are much cooler, with a minimum of 6°C (43°F) and a maximum of 30°C (86°F), resulting in a more comfortable average of 19°C (67°F) alongside lower humidity at 84%. Additionally, August sees higher precipitation levels at 277 mm (10.9 in) over 15 days, while May receives 213 mm (8.4 in) across 12 days. For more detailed insights into the weather patterns in May, you can explore Koshi weather in May.
When comparing the weather in June and August, August tends to be warmer and more humid. The average temperature in August reaches 28°C (82°F), significantly higher than June's average of 23°C (73°F). While both months experience similar levels of precipitation, with August seeing 277 mm (10.9 in) and June at 274 mm (10.8 in), the humidity in August is noticeably higher at 91% compared to June's 86%. This increase in humidity makes August feel warmer and more oppressive, while June typically offers a milder climate. For more detailed insights, you can check out Koshi weather in June.
In comparing the weather between July and August, we can see some notable differences. August experiences slightly warmer temperatures, with an average of 28°C (82°F) compared to July's average of 26°C (79°F). Both months share a maximum temperature of 35°C (96°F), but July has a lower minimum temperature of 17°C (63°F) versus August's minimum of 18°C (65°F). Precipitation is significantly higher in July, with 478 mm (18.8 in) over 20 days, compared to August's 277 mm (10.9 in) over 15 days. Humidity levels remain high in both months, with July at 92% and August at 91%. For a closer look at July's weather patterns, you can visit Koshi weather in July.
In comparing the weather between August and September, August is characterized by higher temperatures, with a minimum of 18°C (65°F), an average of 28°C (82°F), and a maximum of 35°C (96°F). In contrast, September sees cooler conditions, with a minimum temperature of 12°C (53°F), an average of 24°C (76°F), and a maximum of 34°C (94°F). Precipitation levels also decrease significantly in September, totaling 184 mm (7.2 in) over 14 days, compared to August's 277 mm (10.9 in) of rain over 15 days. Additionally, September experiences slightly lower humidity at 84%, down from August's 91%. For more detailed information, you can refer to Koshi weather in September.
When comparing the weather in August and October, notable differences emerge. August typically features a warmer climate, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 35°C (96°F) and an average of 28°C (82°F). The month also experiences higher humidity at 91% and significant rainfall, totaling 277 mm (10.9 in) over approximately 15 days. In contrast, October brings much cooler temperatures, with a minimum of 6°C (44°F), an average of 19°C (66°F), and a maximum of 31°C (88°F). Precipitation decreases to 107 mm (4.2 in) over just 8 days, and humidity drops slightly to 83%. For those looking for detailed weather patterns in October, you can check Koshi weather in October.
August and November present starkly contrasting weather conditions. In August, temperatures soar with a minimum of 18°C (65°F) and an average of 28°C (82°F), peaking at a sweltering 35°C (96°F). This month is characterized by high humidity at 91% and significant rainfall, with 277 mm (10.9 in) spread across 15 days. In contrast, November ushers in a much cooler climate, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 25°C (77°F), averaging 12°C (55°F). Precipitation drops significantly to 60 mm (2.4 in) over just 7 days, and humidity levels decrease slightly to 81%. For more details on November weather, you can explore Koshi weather in November.
August and December present a stark contrast in weather conditions. In August, temperatures soar with averages around 28°C (82°F) and can reach highs of up to 35°C (96°F), accompanied by high humidity levels of 91% and significant rainfall of 277 mm (10.9 in) over 15 days. In contrast, December offers a cooler climate, where temperatures typically range from a low of -2°C (29°F) to a pleasant average of 7°C (45°F), peaking at 22°C (72°F). The month sees much less precipitation, totaling 71 mm (2.8 in) across just 7 days and a lower humidity level of 79%. For more detailed information on December weather, check out Koshi weather in December.
In August, Koshi experiences a notable shift in weather, characterized by warmer temperatures and heightened humidity compared to other months. With maximum temperatures reaching around 35°C (96°F), the summer heat is palpable, while nighttime offers a more refreshing respite at 18°C (65°F). This month also marks a significant uptick in precipitation, with around 277 mm (10.9 in) falling over approximately 15 days, bringing much-needed relief from the heat. The overall ambiance is a mix of tropical warmth and occasional rain, creating a lush environment typical of the season. To explore the nuances of Koshi’s climate further, visit Koshi Climate.