Last updated: August 21, 2025
Experience the enchanting August weather of Minamiuonuma, Japan, where the maximum temperatures peak at a sizzling 33°C (91°F), offering warm days ideal for outdoor adventures. With an average temperature of 24°C (75°F), the climate remains pleasantly enjoyable, while nights cool down to a refreshing 10°C (50°F). However, be prepared for frequent summer showers, as the region sees an impressive 238 mm (9.4 in) of precipitation over 22 days, contributing to lush, green landscapes. The humidity hovers around a high 92%, adding a tropical feel to this serene destination. Embrace the beauty of Minamiuonuma's summer while staying equipped for its dynamic weather!
In Minamiuonuma, Japan, August brings a delightful warmth, with temperatures ranging from a minimum of 10°C (50°F) to a balmy maximum of 33°C (91°F). This month represents the peak of summer, characterized by an average temperature of 24°C (75°F) that invites both residents and visitors to enjoy outdoor activities and local festivals. The steady rise from the cooler months speaks to the region's vivid seasonal transitions, contrasting sharply with the winter chill felt earlier in the year, where January temperatures plunge to -14°C (6°F). As August wraps up summer’s warmth, the approach of fall is hinted at in September’s cooling trend, where temperatures drop, reminding us of the spectacular seasonal changes unique to this beautiful area.
In August, Minamiuonuma experiences a notable shift in its precipitation patterns, with an average rainfall of 238 mm (9.4 in) over 22 days. This volume marks a decline from July's staggering 376 mm (14.8 in), underscoring a seasonal transition as the summer rains begin to taper off. Despite the decrease, August remains one of the wetter months of the year, maintaining a robust level of precipitation. The 22 rainy days highlight the region's persistent humidity, fostering lush landscapes and vibrant flora. Additionally, this rainfall prepares the ground for the upcoming autumn months, where precipitation will continue to play a crucial role as it averages 256 mm (10.1 in) in October, hinting at a seamless transition into the wetter autumn season.
In Minamiuonuma, Japan, the month of August experiences humidity levels that peak at 92%, matching the high humidity of July. The trend in humidity reflects a notable seasonal pattern, where the year starts with elevated levels around 88% in January and gradually decreases to its lowest in April at 78%. As summer approaches, humidity levels rise again, climbing to 88% in June and reaching their zenith during the peak summer months of July and August. Interestingly, post-summer, humidity begins to wane, settling at 89% in September and gradually tapering to 85% by November. This cyclical nature showcases how weather patterns in Minamiuonuma fluctuate with the seasons, providing residents and visitors alike with a humid yet invigorating atmosphere during the summer months.
In August, Minamiuonuma experiences an extreme UV Index of 11, maintaining the intensity noted in the previous two months. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to take necessary precautions against harmful UV rays. This month continues a pattern of high UV exposure seen starting in March, where the index escalated sharply from a moderate level in January and February to very high readings by April. As summer peaks, the UV index remains elevated, making it essential to stay protected, especially during outdoor activities. For a detailed overview of UV conditions throughout the year, visit Minamiuonuma UV Index.
UV Risk Categories
August in Minamiuonuma, Japan, showcases a vibrant peak in sunshine hours, with 294 hours basking the region in golden warmth. This month follows a steady ascent from the earlier part of the year, marked by increasing daylight as spring progresses into summer. After a robust June and July, the sunshine in August represents a slight dip, yet remains significantly high when compared to the winter months where sunshine hours hover around 162 in January. As daylight wanes toward autumn, September brings a decrease to 249 hours, hinting at the transition from summer’s brilliance to the more subdued light of fall. This trend not only emphasizes the region's rich summer bounty but also beautifully illustrates the cyclical nature of Minamiuonuma's climate.
In the picturesque region of Minamiuonuma, Japan, August tends to present a somewhat overcast atmosphere, with a sunny weather chance of only 20%. This statistic marks a noticeable dip in sunniness compared to earlier summer months like July, which enjoys a 30% chance of sunshine. As the year progresses, the likelihood of sunny days tends to fluctuate, peaking in the spring months, especially April at 41%. This trend suggests that while summer brings warmth, it may also bring more clouds, leading to a mixed bag of weather for visitors looking to bask under the sun.
In Minamiuonuma, Japan, the daylight duration experiences a notable ebb and flow throughout the year. The month of August offers approximately 13 hours of daylight, slightly tapering off from the peak of 14 hours enjoyed in the summer months of June and July. This gradual decline signals the transition toward autumn, as September follows with 12 hours of sunlight, emphasizing a consistent pattern where daylight progressively diminishes from the vibrant spring and summer into the more subdued fall and winter months. Ultimately, August serves as a bridge, where remnants of summer linger just before the days grow shorter, hinting at nature’s cyclical rhythm.
In August, the wind in Minamiuonuma settles at an average speed of 1.5 m/s (3 mph), a slight uptick from the lull of summer months like July, which recorded the calmest breezes at 1.4 m/s (3 mph). Interestingly, this gentle airflow mirrors the trends seen in June, where the winds danced at 1.5 m/s as well. As the summer draws to a close, wind speeds begin to increase slightly in September and October, hinting at the transition into cooler months. Overall, the data reveals a notably calm summer season, with winds gradually picking up as the year progresses, creating a pleasant and serene atmosphere characteristic of this tranquil Japanese region.
Weather in Minamiuonuma varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Minamiuonuma, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present starkly contrasting weather conditions. In August, temperatures range from a minimum of 10°C (50°F) to a maximum of 33°C (91°F), with an average of 24°C (75°F). This month is notably humid, with a high humidity level of 92% and significant precipitation totaling 238 mm (9.4 inches) over 22 days. In contrast, January experiences much colder conditions, with temperatures dipping to a minimum of -14°C (6°F) and peaking at 8°C (47°F), averaging -3°C (28°F). Although January has slightly less precipitation, at 199 mm (7.8 inches) also spread over 22 days, the humidity remains relatively high at 88%. For a more detailed outlook on January weather in this region, visit Minamiuonuma weather in January.
August and February present two drastically different weather profiles. August typically boasts warm temperatures, with a minimum of 10°C (50°F) and averages around 24°C (75°F), peaking at 33°C (91°F), making it a prime season for summer activities. However, it also experiences significant rainfall, accumulating 238 mm (9.4 in) over about 22 days, accompanied by high humidity levels at 92%. In stark contrast, February is quite frigid, with temperatures dropping as low as -19°C (-2°F) and averaging -2°C (29°F), reaching a maximum of 14°C (57°F). Despite having slightly less precipitation at 185 mm (7.3 in) over the same number of days, February's humidity of 86% adds to the chill in the air. For more insights on February conditions, you can visit Minamiuonuma weather in February.
August and March present contrasting weather conditions in Minamiuonuma. August boasts a warm average temperature of 24°C (75°F), with maximums reaching up to 33°C (91°F) accompanied by high humidity levels of 92%. This month also experiences considerable precipitation, totaling 238 mm (9.4 in) over about 22 days. In stark contrast, March features much cooler temperatures, with averages around 3°C (37°F) and maxing out at 20°C (68°F). Precipitation in March is lower at 174 mm (6.9 in) across 20 days, and humidity is somewhat reduced at 81%. For more details about March weather, you can visit Minamiuonuma weather in March.
August and April showcase distinct weather patterns, reflecting the transition from summer to spring. In August, temperatures are significantly warmer, ranging from a minimum of 10°C (50°F) to a maximum of 33°C (91°F), with an average of 24°C (75°F). This month sees high humidity levels at 92% and substantial rainfall of 238 mm (9.4 in) over 22 days. In contrast, April experiences cooler conditions, with temperatures ranging from a frigid minimum of -7°C (20°F) to a maximum of 26°C (79°F) and an average of 8°C (46°F). Precipitation is lower at 167 mm (6.6 in) over 18 days, and the humidity is comparatively less at 78%. For a more detailed look at April weather, visit Minamiuonuma weather in April.
In comparing the weather conditions of August and May, August is characterized by higher temperatures and increased humidity. The average temperature in August reaches 24°C (75°F), with a maximum of 33°C (91°F), while May has a significantly lower average of 15°C (58°F) and a maximum of 30°C (86°F). Additionally, August experiences more frequent rainfall, with 238 mm (9.4 in) of precipitation over 22 days, compared to May's 181 mm (7.1 in) over 16 days. Humidity levels also rise in August to a notable 92%, while May maintains a lower humidity of 81%. For more detailed insight, you can check Minamiuonuma weather in May.
In comparing the weather in August and June, August typically presents warmer temperatures, with average highs reaching 33°C (91°F) and lows around 10°C (50°F), while June experiences milder conditions, with an average high of 30°C (86°F) and lows near 6°C (43°F). August also sees more precipitation, totaling 238 mm (9.4 in) over approximately 22 days, compared to June's 201 mm (7.9 in) over 18 days. Additionally, August's humidity is slightly higher at 92%, compared to June's 88%. For more specifics on June weather, you can refer to this link: Minamiuonuma weather in June.
When comparing the weather between July and August, notable differences emerge. July boasts warmer minimum temperatures, with a low of 14°C (58°F) compared to August's cooler 10°C (50°F). However, August features a higher average temperature of 24°C (75°F) and reaches a maximum of 33°C (91°F), while July's average is slightly lower at 22°C (73°F) and its max temperature is 32°C (90°F). Precipitation is more pronounced in July, with 376 mm (14.8 in) over 24 days, compared to August's 238 mm (9.4 in) across 22 days. Both months experience high humidity levels of 92%. For a closer look at July weather specifics, check out Minamiuonuma weather in July.
In comparing the weather of August and September, there are some notable differences. August typically experiences warmer conditions, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 33°C (91°F) and an average of 24°C (75°F). It is also marked by high humidity at 92% and substantial precipitation, totaling 238 mm (9.4 in) over 22 rainy days.
In contrast, September presents a cooler climate with temperatures declining, featuring a minimum of 6°C (43°F), an average of 19°C (67°F), and a maximum of 31°C (89°F). The month sees slightly less rainfall, with 223 mm (8.8 in) across 19 days, and a marginally lower humidity of 89%. For more details, you can check Minamiuonuma weather in September.
In comparing the weather between August and October, we see a significant shift in temperatures and conditions. August boasts a warmer climate with average highs reaching 33°C (91°F) and a humidity level of 92%, which creates a sultry atmosphere. In contrast, October experiences much cooler temperatures, with averages around 13°C (56°F) and a peak of 27°C (81°F), making it noticeably chillier. Additionally, while October has a slightly higher total precipitation of 256 mm (10.1 in) over 18 days, the humidity decreases to 87%. This transition indicates the onset of autumn, bringing cooler, wetter days as highlighted in the detailed report: Minamiuonuma weather in October.
August and November present stark contrasts in weather conditions. In August, temperatures soar with a minimum of 10°C (50°F) and an average of 24°C (75°F), peaking at a high of 33°C (91°F). The month is characterized by high humidity at 92% and frequent rainfall, totaling 238 mm (9.4 in) over 22 days. In sharp contrast, November brings cooler temperatures, with a minimum of -9°C (17°F) and an average of 6°C (44°F), while the maximum reaches a mild 21°C (71°F). Precipitation decreases significantly to 145 mm (5.7 in) over 18 days, and humidity hovers at 85%. For a closer look at November weather specifics, you can visit Minamiuonuma weather in November.
August and December showcase strikingly different weather patterns. In August, temperatures range from a mild 10°C (50°F) at night, peaking at a warm 33°C (91°F) during the day, with an average of 24°C (75°F). This month is characterized by high humidity at 92% and considerable precipitation, totaling 238 mm (9.4 in) over 22 days. In contrast, December experiences a chilly climate, with temperatures dropping significantly to a minimum of -14°C (7°F) and a maximum of 18°C (65°F), averaging around 0°C (32°F). Although December sees slightly less precipitation at 226 mm (8.9 in), it still occurs over the same number of days (22) with a lower humidity level of 86%. For more detailed insights on December weather, check out Minamiuonuma weather in December.
August in Minamiuonuma is characterized by its warm temperatures and high humidity, creating a sultry atmosphere that stands in stark contrast to the cooler months of the year. With the mercury frequently hitting maximums around 33°C, this month is one of the hottest, inviting residents and visitors alike to enjoy outdoor activities amid the lush summer landscapes. However, the significant precipitation, with rain falling on nearly three-quarters of the days, adds a refreshing touch, reflecting the region's vibrant greenery. This blend of warmth and rainfall makes August uniquely beautiful, yet it also underscores the need to stay prepared for the humidity and sudden showers that can cool off those hot summer days. For a deeper understanding of what to expect throughout the year, check out Minamiuonuma Climate.