Last updated: August 21, 2025
Experience the summer climate of Minami-Soma, Japan, in August, where temperatures can peak at a sweltering 31°C (88°F). The average temperature hovers around a comfortable 25°C (77°F), while the nights bring a refreshing low of 20°C (67°F). However, prepare for the frequent rain, as the area sees about 158 mm (6.2 in) of precipitation over 15 days, contributing to a high humidity level of 90%. This distinctive combination of warmth and moisture creates a unique atmosphere, making August a vibrant yet temperamental month in Minami-Soma.
In August, Minami-Soma experiences a warm embrace as temperatures peak, with minimums around 20°C (67°F) and averages settling at a pleasant 25°C (77°F). This month stands out as a time of vibrant heat, with daily maximums reaching up to 31°C (88°F), marking it as one of the hottest periods of the year. The transition from July to August is evident, with the former month showcasing a minimum of 17°C (64°F) and an average of 23°C (73°F), reflecting a notable increase in warmth. As summer wanes, the temperatures signal a lively atmosphere, perfect for enjoying outdoor activities and local festivities, making Minami-Soma a delightful destination during this sunny season.
August in Minami-Soma, Japan, experiences a notable shift in precipitation, with 158 mm (6.2 in) of rain falling over 15 days. This represents a decrease from the deluge of July, which recorded a staggering 239 mm (9.4 in) across 18 rainy days, yet still maintains a significant level of wet weather. As summer reaches its peak, the precipitation ensures lush landscapes, though frequent showers can lead to humid conditions. Following August, a rise is observed again in September, hinting at a continuation of the monsoon season. Overall, these patterns reveal a trend of heightened rainfall during the summer months, contributing to both the region's verdant scenery and its climatic challenges.
In Minami-Soma, Japan, the humidity levels showcase a notable evolution throughout the year, peaking during the summer months. By August, humidity remains high at 90%, a reflection of the intense heat and moisture of the season. This increase follows a steep climb from June's 87% and July's peak of 92%, indicating that the summer months are characterized by significant humidity. As autumn approaches, September's humidity drops to 84%, signifying a gradual decline that continues into the fall. Overall, the data paints a picture of a distinct seasonal pattern, with the summer months bringing an unmistakable mugginess, while the latter part of the year provides a refreshing contrast.
In August, Minami-Soma experiences its peak UV Index at a striking 11, falling into the extreme exposure category. With a burn time of just 10 minutes, this highlights the increased need for sun protection during this month. Following a trend that began in April, where the UV Index first reached 9, the intensity of sun exposure escalates through to August, maintaining a high level of risk for sunburn. Interestingly, the UV Index then gradually decreases as the year progresses, returning to 9 in September before further decline. These shifts underscore the importance of staying vigilant about UV exposure during the summer months. For more detailed information, check out our guide on Minami-Soma UV Index.
UV Risk Categories
August in Minami-Soma, Japan, shines with an impressive 286 hours of sun, showcasing the peak of summer's radiant warmth. This month continues the trend of brightening days that started in the spring, with sunshine steadily building from 176 hours in January to a celebratory high in August, following a steady climb through the preceding months. While the 292 hours in May hint at pre-summer exuberance, August maintains the momentum, gently tapering off into September with 243 hours as the seasons shift. This pattern of increasing sunlight clearly reflects the vibrant energy of summer, inviting both locals and visitors to bask in the golden glow of Minami-Soma's long, sun-filled days.
In Minami-Soma, Japan, the likelihood of sunny weather in August shows a modest 33% chance of sunshine. This figure aligns closely with the summer months preceding it, where July also sees a similar 32% likelihood. As the year progresses from February’s impressive 67% chance to March’s 39%, it becomes evident that the summer season tends to bring cloudier skies. Interestingly, while June marks the beginning of the rainy season with just a 26% chance of sun, August maintains a constant yet unspectacular probability, suggesting that while beach days are possible, they may be interspersed with clouds. With the onset of fall, September drops slightly to 30%, indicating that sunny days may become even less reliable as the seasons change.
In Minami-Soma, Japan, the daylight duration showcases an inviting progression through the year. Beginning in January with just 9 hours of daylight, the days gradually lengthen, reaching a peak of 14 hours by May, creating a vibrant atmosphere perfect for outdoor activities. As the summer months roll in, the daylight remains consistent at this maximum of 14 hours until July. Transitioning to August, the hours start to wane slightly to 13 hours, signaling the gradual approach of autumn. The decline continues through September and October, before settling back at 11 hours in November, and finally returning to 9 hours by December. This rhythm of daylight not only dictates the seasonal activities but also invites residents and visitors alike to engage more fully with the beauty of nature throughout the year.
In August, Minami-Soma experiences a gentle breeze, with an average wind speed of 3.9 m/s (9 mph), which is a slight increase from the calmer summer months of June and July. This trend of gradually rising winds continues into September, reaching 4.1 m/s (9 mph). Overall, the summer months show a notable decline in wind speed, dropping to as low as 3.3 m/s (7 mph) in July, before the winds pick up slightly again as autumn approaches. As the year progresses, wind speeds tend to fluctuate, but there's a clear pattern of heightened winds returning in the latter part of the year, culminating in a brisk 5.4 m/s (12 mph) by December. This rhythmic change invites both locals and visitors to relish the shifting breezes of Minami-Soma throughout the seasons.
Weather in Minami-Soma varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Minami-Soma, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January weather starkly contrast each other, showcasing the distinct seasonal variations. In August, temperatures range from a minimum of 20°C (67°F) to a maximum of 31°C (88°F), accompanied by high humidity levels at 90% and significant rainfall totaling 158 mm over 15 days. In contrast, January features a much cooler climate, with temperatures dipping as low as -3°C (27°F) and only reaching a maximum of 13°C (56°F). Precipitation in January is significantly lower at 52 mm, occurring over just 8 days, and humidity is reduced to 76%. For more detailed insights, check out Minami-Soma weather in January.
When comparing the weather in August and February, it's clear that the two months offer vastly different climates. August is characterized by warm temperatures, with a minimum of 20°C (67°F) and an average of 25°C (77°F), peaking at 31°C (88°F). It also experiences high humidity at 90% and significant precipitation of 158 mm (6.2 in) over about 15 days. In contrast, February is much cooler, with temperatures ranging from a chilly -1°C (31°F) to a mild 18°C (64°F), averaging just 5°C (41°F). Precipitation is considerably lower at 41 mm (1.6 in) over approximately 7 days, and the humidity is also less, at 75%. For more detailed information about February weather, you can refer to Minami-Soma weather in February.
When comparing the weather in August and March, distinct contrasts emerge in both temperature and precipitation. August boasts warmer conditions, with temperatures ranging from a minimum of 20°C (67°F) to a maximum of 31°C (88°F), along with high humidity at 90%. In contrast, March experiences significantly cooler temperatures, where the minimum is 0°C (33°F) and the maximum reaches only 18°C (64°F). Precipitation also differs, with August receiving more rainfall (158 mm over 15 days) compared to March's 117 mm over 9 days. For a detailed look at March weather patterns, you can check Minami-Soma weather in March.
In August, the weather tends to be much warmer and more humid, with average temperatures reaching around 25°C (77°F) and highs peaking at 31°C (88°F). This month also sees considerable rainfall, with about 158 mm (6.2 in) of precipitation occurring over 15 days, contributing to a high humidity level of 90%. In contrast, April experiences significantly cooler temperatures, with an average of only 11°C (51°F) and a maximum of 20°C (69°F). The precipitation is also lower at 115 mm (4.5 in) over 11 days, along with a more moderate humidity level of 73%. For more details on April weather, you can refer to this link: Minami-Soma weather in April.
In comparing the weather between August and May, August is significantly warmer, with average temperatures reaching 25°C (77°F) compared to May's cooler average of 16°C (60°F). August also experiences higher maximum temperatures, peaking at 31°C (88°F), while May's maximum is 25°C (77°F). In terms of humidity, August is more humid, with levels at 90%, compared to May's 80%. However, while August sees more precipitation overall at 158 mm (6.2 in) over 15 days, May also has a noteworthy amount of rain with 119 mm (4.7 in) over 12 days. For a closer look at May's weather specifics, you can visit Minami-Soma weather in May.
When comparing the weather in August and June, August tends to be significantly warmer, with average temperatures ranging from a minimum of 20°C (67°F) to a maximum of 31°C (88°F), whereas June experiences cooler temperatures, averaging between 13°C (56°F) and 27°C (80°F). August also sees higher humidity, reaching 90%, compared to June's 87%. In terms of precipitation, August records more rainfall at 158 mm (6.2 in) over 15 days, compared to June's 105 mm (4.1 in) over 12 days. For more detailed information about June weather specifically, you can visit Minami-Soma weather in June.
In comparing the weather between July and August, August typically experiences slightly warmer temperatures, with a minimum of 20°C (67°F) and an average of 25°C (77°F), compared to July's minimum of 17°C (64°F) and average of 23°C (73°F). While both months have high humidity, August's humidity averages around 90%, only slightly lower than July's 92%. Notably, August sees less precipitation, accumulating 158 mm (6.2 in) over 15 days, whereas July has higher rainfall at 239 mm (9.4 in) over 18 days. For more detailed information, you can check Minami-Soma weather in July.
August and September present noticeable shifts in weather patterns. August tends to be warmer, with temperatures ranging from a minimum of 20°C (67°F) to a maximum of 31°C (88°F) and an average of 25°C (77°F). In contrast, September’s temperatures drop slightly, with a minimum of 16°C (62°F) and a maximum of 30°C (86°F), averaging at 22°C (72°F). Both months experience high humidity, although August is slightly more humid at 90% compared to 84% in September. Precipitation increases in September, totaling 191 mm (7.5 in) over 15 days, surpassing August's 158 mm (6.2 in) during the same number of days. For more detailed information, you can check Minami-Soma weather in September.
August weather is characterized by warm temperatures, with a minimum of 20°C (67°F) and an average around 25°C (77°F), peaking at 31°C (88°F). The month experiences high humidity levels at 90% and receives significant rainfall, measuring 158 mm (6.2 in) over 15 days. In contrast, October brings a cooler climate, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 26°C (78°F), averaging 18°C (64°F). Although October also sees a notable amount of precipitation at 257 mm (10.1 in) over 12 days, the humidity is slightly lower at 80%. For more detailed information on October's weather, you can visit Minami-Soma weather in October.
August and November present stark contrasts in weather conditions. August boasts warm temperatures, with a minimum of 20°C (67°F) and an average of 25°C (77°F), soaring up to a maximum of 31°C (88°F). This month is also characterized by high humidity at 90% and significant rainfall, averaging 158 mm (6.2 in) over 15 days. In contrast, November experiences much cooler temperatures, ranging from a minimum of 4°C (39°F) to an average of 13°C (55°F) and peaking at 20°C (69°F). Rainfall is minimal in November, with just 44 mm (1.7 in) over 6 days, and the humidity drops to 77%. For more detailed information about November weather specifics, you can check Minami-Soma weather in November.
In August, the weather is characterized by warm temperatures, with a minimum of 20°C (67°F) and an average of 25°C (77°F), reaching a maximum of 31°C (88°F). The high humidity of 90% and significant rainfall of 158 mm (6.2 in) over 15 days contribute to a muggy atmosphere. In contrast, December brings much cooler conditions, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 17°C (63°F) and an average of just 7°C (45°F). Precipitation decreases to 60 mm (2.4 in) over 11 days, and humidity drops to 77%, creating a distinctly drier and crisper environment. For more detailed information, you can visit Minami-Soma weather in December.
In August, Minami-Soma experiences its warmest days, with temperatures soaring to maximums of 31°C that create a hot and humid atmosphere. This month is characterized by a notable increase in precipitation, with rain falling on about half the days, making it one of the wettest periods of the year. The air feels particularly thick, with humidity hovering around an impressive 90%, contributing to a tropical vibe that sets August apart from the more temperate months that precede and follow it. For a detailed look at how Minami-Soma's weather compares throughout the year, check out Minami-Soma Climate.