Last updated: August 21, 2025
In August, Yamagata, Japan experiences a captivating blend of weather conditions that define the summer season. With maximum temperatures soaring up to 36°C (97°F) and an average temperature of 24°C (75°F), the month brings warm and vibrant days perfect for outdoor pursuits. However, the charm of summer is tempered by high humidity levels at 92% and substantial precipitation totaling 194 mm (7.6 in) over 18 days, adding a refreshing touch amid the heat. Visitors can expect a mix of sunny moments interspersed with occasional rain showers, making Yamagata a unique destination in August.
In August, Yamagata, Japan, basks in the warmth of summer, with temperatures displaying a remarkable rise compared to the preceding months. The average temperature hovers around a pleasant 24°C (75°F), while daily highs can reach up to 36°C (97°F), showcasing the peak of summer heat. Evenings provide a cooler reprieve, with lows around 12°C (53°F). This month stands in stark contrast to the winter chill experienced earlier in the year, where January's temperatures plummet to -16°C (4°F). The transition from the mild spring to the sizzling summer highlights Yamagata’s diverse climate, making August a vibrant time for outdoor activities and local festivals.
August in Yamagata, Japan, experiences a substantial precipitation of 194 mm (7.6 in), marking a slight decrease from the record high of 239 mm (9.4 in) in July. This month sees rain on an average of 18 days, contributing to the region's lush, vibrant landscapes. Notably, August's rainfall is part of a summer trend, where the preceding months witness significant wetness, culminating in the peak of the rainy season. Following this peak, September offers a respite with reduced precipitation of 110 mm (4.3 in), hinting at a gradual transition toward drier autumn months. The consistent pattern of rainy days throughout the summer reinforces Yamagata's reputation for a humid climate, making it a lush, green haven during these warmer months.
In Yamagata, Japan, August is characterized by a sticky air as humidity peaks at 92%, mirroring the sweltering July. This trend of high humidity persists through the summer months, where it climbs from 80% in May to its summer zenith in June and July. Following this peak, September experiences a notable drop to 86%, signaling a gradual transition into the drier autumn months. Overall, the data reveals a pattern where humidity is consistently high during the summer, creating a warm and muggy atmosphere that characterizes life in Yamagata.
In August, Yamagata, Japan experiences a peak in UV exposure, with an UV Index of 11, signaling an extreme risk for sunburn with a mere burn time of just 10 minutes. This trend continues from July, where the UV levels were similarly high, emphasizing the need for sun protection during the summer months. As the season progresses, UV indices gradually decline, moving to 9 in September, reflecting a shift towards very high exposure levels but allowing for slightly longer burn times. The intensity of summer sunlight often necessitates vigilance and protective measures, encouraging residents and visitors alike to be mindful of UV safety throughout these scorching months. For more detailed information on UV data, visit Yamagata UV Index.
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In August, Yamagata, Japan basks in a warm glow with 281 hours of sunshine, making it one of the sunniest months of the year. Following the vibrant peaks of late spring and early summer, April and May lead the charge with their impressive daylight, showcasing a gradual increase in sunlight from 267 hours in April to a high of 295 hours in May. While July sees a slight dip with 264 hours, August stands resilient, retaining much of that summer brilliance. As the season transitions into September, the sunshine retreats to 248 hours, signaling the onset of autumn's charm. This consistent pattern of bright summer days sets a captivating backdrop for all the outdoor adventures and cultural festivities that flourish in Yamagata during this time.
In Yamagata, Japan, the likelihood of sunny weather during August is relatively low, sitting at 17%. This marks a noticeable decline compared to the spring months, where sunshine chances peak at 38% in April. As summer rolls in, the probability diminishes further, aligning with the trends seen in June and July, both at 20%. With September rebounding to 25%, it seems that the sunny weather is a summer rarity, making those bright August days even more precious for residents and visitors alike. Overall, while August may not be known for its sun-soaked skies, the subsequent months promise a more favorable chance of sunshine.
In Yamagata, Japan, August marks a transition in daylight duration, with an average of 13 hours of sunlight. This slight decrease from the peak summer months signifies the gradual retreat of long, sun-filled days. Following the consistent 14 hours enjoyed in June and July, August begins the gentle shift toward autumn, as daylight gradually diminishes. As the seasons change, the daylight trends mirror nature's rhythms, leading into September's shorter days of 12 hours. Observing this progression illustrates how Yamagata experiences a vibrant summer basked in light, before the cozy embrace of autumn settles in.
In August, the average wind speed in Yamagata, Japan, gently picks up to 1.7 m/s (4 mph), a slight increase from the calmest months of June and July, which see the calmest breezes of the year. This subtle rise marks a transition as summer wanes, hinting at the promise of a cooling autumn. While still relatively quiet compared to the brisk conditions of winter, the August winds invite a refreshing sense of change, complementing the lush landscapes and vibrant summer festivities throughout the region. As the days grow shorter, residents and visitors alike may feel a hint of anticipation in the air, as nature begins its graceful shift.
Weather in Yamagata varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Yamagata, focusing on differences in temperature, rainfall, humidity, and UV levels.
In August, Yamagata experiences a warm climate with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 36°C (97°F), and an average temperature of 24°C (75°F). The month is characterized by high humidity at 92% and significant rainfall, totaling 194 mm (7.6 in) across 18 rainy days. In stark contrast, January brings frigid temperatures, with lows plummeting to -16°C (4°F) and highs reaching only 8°C (46°F), averaging -2°C (29°F). The winter month sees slightly less precipitation at 125 mm (4.9 in) over 21 days, accompanied by lower humidity at 80%. For a detailed look at January’s weather, visit Yamagata weather in January.
August and February display starkly contrasting weather conditions. August experiences warm to hot temperatures, with minimums around 12°C (53°F) and highs reaching up to 36°C (97°F), accompanied by high humidity at 92%. In contrast, February is characterized by frigid temperatures, where lows can drop to -14°C (7°F) and highs peak at 11°C (52°F), making it a chilly month with an average temperature of -1°C (31°F). Additionally, while August sees substantial precipitation at 194 mm (7.6 in) over 18 days, February has less rainfall, totaling 116 mm (4.5 in) over 20 days, resulting in a drier climate despite the colder conditions. For a more detailed view of February weather, check Yamagata weather in February.
August and March present stark contrasts in weather. In August, temperatures can soar to a high of 36°C (97°F) with an average of 24°C (75°F), accompanied by high humidity levels at 92%. However, this month also sees considerable rainfall, totaling 194 mm (7.6 in) over 18 days. In contrast, March is much cooler, with temperatures ranging from a frigid low of -13°C (9°F) to a mild high of 19°C (66°F), averaging just 4°C (39°F). Precipitation is also less, at 119 mm (4.7 in) over 18 days, and humidity is lower at 77%. For more details on March weather, visit Yamagata weather in March.
When comparing the weather in August and April, significant differences become apparent. August typically experiences much warmer temperatures with an average of 24°C (75°F) and peaks reaching as high as 36°C (97°F). In contrast, April sees milder conditions, with an average temperature of 8°C (47°F) and a maximum of only 25°C (77°F). Additionally, August is notably more humid with a humidity level of 92%, whereas April's humidity stands at a more comfortable 75%. Precipitation is also higher in August, accumulating to 194 mm (7.6 in) over 18 days compared to April's 116 mm (4.6 in) across just 13 days. For a closer look at the specific conditions in April, you can check out Yamagata weather in April.
When comparing the weather in August and May, August is notably warmer and more humid. The average temperature in August is 24°C (75°F), with highs reaching up to 36°C (97°F), while May's average temperature is a cooler 15°C (59°F), peaking at 31°C (88°F). Furthermore, August experiences significantly more rainfall, averaging 194 mm (7.6 in) over 18 days, compared to May's 93 mm (3.7 in) over just 13 days. Additionally, humidity levels are higher in August at 92%, compared to 80% in May. For more specifics on May weather, you can check Yamagata weather in May.
In comparing the weather of August and June, August is significantly warmer, with average temperatures reaching 24°C (75°F) and maximums peaking at 36°C (97°F). In contrast, June sees cooler conditions, with an average temperature of 19°C (66°F) and maximums of 32°C (90°F). Precipitation also varies, as August experiences a higher amount of rainfall at 194 mm (7.6 in) over 18 days, while June has only 98 mm (3.8 in) over 13 days. Additionally, humidity is slightly higher in August at 92%, compared to June's 87%. For more detailed information, you can check Yamagata weather in June.
In comparing the weather of August and July, it's clear that August experiences slightly warmer temperatures, with average highs reaching 36°C (97°F) compared to July's maximum of 33°C (92°F). However, the minimum temperatures in July are slightly higher, at 14°C (57°F) versus August's 12°C (53°F). Both months see a similar number of rainy days, with 18 days of precipitation, but August has a lower total precipitation of 194 mm (7.6 in) compared to July's 239 mm (9.4 in). Humidity remains constant at a high 92% in both months. For a more detailed look at July's weather, you can refer to this link: Yamagata weather in July.
August and September present a distinct contrast in weather conditions. In August, temperatures range from a minimum of 12°C (53°F) to a scorching maximum of 36°C (97°F), with an average temperature of 24°C (75°F). The month is characterized by high humidity at 92% and considerable precipitation, totaling 194 mm (7.6 in) over 18 days. In comparison, September sees a noticeable drop in temperature, with a minimum of 7°C (44°F), an average of 19°C (67°F), and a maximum of 33°C (91°F). Precipitation also decreases to 110 mm (4.3 in) over 14 days, along with a slight decline in humidity to 86%. For a more detailed look at September weather, you can visit Yamagata weather in September.
August and October present strikingly different weather patterns. In August, temperatures range from a minimum of 12°C (53°F) to a maximum of 36°C (97°F), with an average of 24°C (75°F), resulting in hot, humid conditions characterized by high humidity levels at 92%. This month sees significant rainfall, with 194 mm (7.6 in) spread over 18 days.
In contrast, October experiences cooler temperatures, with minima of 2°C (36°F), an average of 13°C (56°F), and maxima reaching up to 27°C (81°F). Precipitation decreases to 151 mm (5.9 in) across 13 days, and humidity also drops to an average of 82%. This transition marks the shift from the sweltering summer heat of August to the crisp, cool days of autumn. For more detailed information, take a look at Yamagata weather in October.
August and November present stark contrasts in weather conditions. In August, temperatures soar with a minimum of 12°C (53°F) and can reach a sweltering maximum of 36°C (97°F), averaging around 24°C (75°F). This summer month is also characterized by high humidity at 92% and significant rainfall, receiving about 194 mm (7.6 in) over approximately 18 days. In contrast, November experiences much cooler temperatures, ranging from a minimum of -6°C (22°F) to a maximum of 21°C (70°F), with an average of just 7°C (45°F). The month sees markedly less precipitation, totaling around 80 mm (3.1 in) spread over 14 days and a lower humidity level of 79%. For more details, you can check out Yamagata weather in November.
August and December present strikingly different weather patterns. In August, temperatures range from a pleasant minimum of 12°C (53°F) to a scorching maximum of 36°C (97°F), with an average of 24°C (75°F), creating a warm and humid atmosphere with high humidity levels of 92%. However, the month is also marked by significant rainfall, totaling 194 mm (7.6 in) over 18 days.
In contrast, December experiences much colder conditions, with temperatures dipping as low as -10°C (13°F) and peaking at a mild 16°C (62°F), averaging just 1°C (34°F). Although it receives less precipitation than August, at 146 mm (5.7 in) over 23 days, the humidity level is slightly lower at 80%. For a closer look at December weather in Yamagata, you can visit Yamagata weather in December.
August in Yamagata is characterized by its hot temperatures and high humidity, setting it apart from other months. While the gauges can soar up to a sizzling 36°C, the average temperature remains a comfortable 24°C, making it the warmest month of the year. This period also sees significant rainfall, with nearly 20 days experiencing precipitation, contributing to a lush landscape but also a muggy atmosphere. Humidity levels hover around a remarkable 92%, often making the heat feel more intense. For a deeper understanding of the overall climate in Yamagata, be sure to check out Yamagata Climate.