Last updated: August 21, 2025
In August, Oita, Japan experiences a blend of hot and humid weather, characterized by a maximum temperature soaring up to 36°C (97°F) and an average of 28°C (82°F), providing a sultry atmosphere. The minimum temperature hovers around 20°C (69°F), offering some respite at night. This month, the region endures approximately 228 mm (9.0 in) of rainfall over about 15 days, creating a lush environment yet challenging conditions for outdoor activities. With humidity levels peaking at an impressive 91%, visitors should prepare for a tropical experience.
In August, Oita, Japan, experiences its warmest temperatures of the year, with average highs reaching a sizzling 36°C (97°F). The month begins with a mild minimum temperature of 20°C (69°F), rising steadily to an average of 28°C (82°F), making it a peak time for both locals and tourists to enjoy outdoor activities and festivals. This warmth is a notable contrast to the chill of the earlier months, highlighting a significant transition as the summer heats up. The gradual increase in temperature from the cooler months of April and May culminates here, allowing Oita to bask in the summer sun before the cooler September air sets in. Overall, August is the height of warmth for the region, characterized by long, sunny days and an energetic atmosphere.
In August, Oita experiences a significant amount of rainfall, with 228 mm (9.0 in) recorded over approximately 15 days. This marks a noticeable drop from the peak of 325 mm (12.8 in) seen in July, suggesting a slight easing of the intense summer rains. However, August still ranks as one of the wetter months, contributing to the lush greenery that characterizes the region. The pattern observed from June to August shows a transition from the heavy, relentless downpours of July to a more moderate but consistent rainfall in August, leading into a comparably drier September. This trend highlights the seasonal shift, as Oita’s climate gradually prepares for the approaching fall.
In Oita, Japan, August presents a notable peak in humidity, averaging a substantial 91%. This high level follows the trend established in the preceding months, where humidity consistently rises, reaching its zenith in July at 92%. As summer progresses, the air becomes increasingly saturated, creating a distinctly muggy atmosphere. Interestingly, following August, there's a gradual decline, with September witnessing a decrease to 84%. Overall, the data clearly illustrates a summer pattern of elevated humidity levels, characterized by a remarkable transition from the cooler, drier months of winter and spring, where humidity hovers around 71% to 78%. Such fluctuations not only impact daily comfort but also shape the local climate experience throughout the year.
In August, Oita, Japan, experiences a peak in solar intensity, with the UV Index reaching 12, categorizing the exposure as extreme. During this month, the recommended burn time is a quick 10 minutes, highlighting the urgency for sun protection. Following a pattern established in the summer months, the UV levels remain consistently high from May through August, prompting residents and visitors alike to take precautions against harmful UV rays. As September approaches, there's a slight decline to an index of 11, yet the extreme caution remains essential. To stay informed on how to protect yourself from the sun’s rays throughout the year, visit Oita UV Index.
UV Risk Categories
August shines as the sunniest month in Oita, Japan, with an impressive 297 hours of sunshine illuminating the city. This peak comes after a steady increase throughout the summer, where sunlight hours build from 266 hours in July. The trend is notable, as the region witnesses a gradual rise from the cooler months, where sunshine lingers around 181 hours in January, gradually climbing to a vibrant 286 hours in May. While September sees a slight dip to 254 hours, the overall pattern highlights Oita's warm, sun-kissed summers, making August the pinnacle of radiant days in this beautiful part of Japan.
In Oita, Japan, August brings a notably lower chance of sunny weather, with only a 24% likelihood of clear skies. This trend of diminishing sunshine starts as early as June and continues through the summer months, peaking in April and October when the chances of sun rise significantly to 43% and 55% respectively. Notably, Oita experiences its driest days in the summer, often overshadowed by the impending autumn, which brings a refreshing increase in sunny spells. While August may offer a break from the heat in later months, those hoping for sun should prepare for a fair share of clouds this time of year.
In Oita, Japan, the August daylight duration reflects a delightful transition toward the end of summer, offering about 13 hours of sunlight. This month is a slight decline from the peak July daylight of 14 hours but still encapsulates the vibrant energy of summer days. As the seasons progress, you’ll notice a gradual shift; daylight begins at 10 hours in January and steadily increases to a high of 14 hours in June and July, before starting its slow descent. By September, the sunlight diminishes to 12 hours, indicating the approach of autumn. This seasonal pattern not only highlights the ebb and flow of daylight throughout the year but also enhances the ambiance of Oita's summer landscape, inviting locals and visitors alike to bask in the warm glow of the August sun.
In August, Oita, Japan experiences the calm of summer with an average wind speed of just 1.8 m/s (4 mph), making it one of the stiller months of the year. This trend of lighter breezes continues a gradual decline in wind speed observed from late spring, with May recording a slightly higher 2.1 m/s. The winds remain gentle through the peak summer months of June and July, both at 1.9 m/s, before dipping to their lowest in August. As summer wanes, a subtle increase in wind speeds can be expected in the following months, signaling the transition to more active weather patterns as autumn approaches. Overall, the late summer months in Oita are defined by tranquil winds, offering a serene backdrop for the region's natural beauty.
Weather in Oita varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Oita, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present starkly contrasting weather conditions. In August, the temperatures soar with a minimum of 20°C (69°F), averaging a warm 28°C (82°F), and peaking at a sweltering 36°C (97°F). This month also experiences significant rainfall, with 228 mm (9.0 in) accumulated over 15 days and a high humidity level of 91%. In contrast, January features much cooler temperatures, ranging from a minimum of -3°C (26°F) to a maximum of 17°C (63°F), with an average of only 6°C (43°F). Precipitation is considerably lower, totaling 52 mm (2.0 in) over just 5 days, and humidity levels are also reduced to 75%. For more detailed insights into the winter climate, explore Oita weather in January.
August and February present starkly contrasting weather conditions. In August, temperatures soar with a minimum of 20°C (69°F) and an average high of 36°C (97°F), complemented by high humidity levels of 91% and considerable precipitation of 228 mm (9.0 in) over 15 days. In contrast, February experiences much cooler temperatures, with a minimum dipping to -3°C (26°F) and an average high of only 20°C (68°F). Precipitation in February is significantly lower at 67 mm (2.6 in) across just 8 days, and humidity levels are also reduced to 71%. For a closer look at February weather in Oita, you can visit Oita weather in February.
When comparing the weather in August and March, it's evident that the two months present dramatically different climates. August boasts much higher temperatures, with a minimum of 20°C (69°F), an average of 28°C (82°F), and a maximum reaching up to 36°C (97°F). In contrast, March experiences cooler conditions, with temperatures ranging from a chilly minimum of 1°C (35°F) to a comfortable maximum of 24°C (76°F). Additionally, August is much wetter, featuring 228 mm (9.0 in) of precipitation over 15 days, while March sees significantly less rainfall at 116 mm (4.6 in) over just 11 days. The humidity levels also highlight the stark difference, with August's humidity at a steamy 91%, compared to March's more moderate 71%. For more details on the specifics of March weather, please visit Oita weather in March.
When comparing the weather in August and April, a stark contrast is evident. August experiences significantly warmer temperatures, with a minimum of 20°C (69°F) and an average of 28°C (82°F), peaking at a scorching 36°C (97°F). In contrast, April presents much cooler conditions, starting at a minimum of just 3°C (38°F) and averaging around 14°C (58°F), with a maximum of 25°C (78°F). Precipitation is more frequent in August, occurring over 15 days and totaling 228 mm (9.0 in), while April sees less rain, falling on 8 days and accumulating 107 mm (4.2 in). Additionally, humidity is higher in August at 91%, compared to April's 78%, contributing to a notably muggy atmosphere during the summer month. For a closer look at Oita's weather specifics in April, you can visit Oita weather in April.
In August, the weather is characterized by much warmer temperatures, with a minimum of 20°C (69°F) and an average high of 28°C (82°F), peaking at a scorching 36°C (97°F). Conversely, May offers a milder climate, featuring a minimum temperature of 8°C (46°F) and an average of 19°C (67°F), with maximum temperatures reaching 30°C (87°F). Although August sees significantly higher precipitation levels at 228 mm (9.0 in) over 15 days—a stark contrast to May's 143 mm (5.6 in) over 11 days—the humidity is also quite high in both months, at 91% in August and 84% in May. For more detailed information, you can explore Oita weather in May.
August and June display distinct weather characteristics, with August generally being hotter and more humid. In August, temperatures range from a minimum of 20°C (69°F) to a maximum of 36°C (97°F), averaging around 28°C (82°F). This month also brings considerable rainfall, with 228 mm (9.0 in) falling over 15 days and humidity peaking at 91%. In contrast, June features milder temperatures, with a minimum of 14°C (57°F) and a maximum of 32°C (89°F), averaging 23°C (73°F). While June has slightly less precipitation at 191 mm (7.5 in) over the same number of rainy days, it maintains a lower humidity level of 86%. For a more detailed look at June's weather patterns, visit Oita weather in June.
In comparing the weather patterns of August and July, August tends to be slightly warmer with average temperatures reaching 28°C (82°F), compared to July's average of 26°C (80°F). While August experiences a maximum temperature of 36°C (97°F), July peaks at 34°C (94°F). However, July receives more precipitation, totaling 325 mm (12.8 in) over 21 days, whereas August sees 228 mm (9.0 in) across 15 days. Humidity levels are comparable, with August slightly lower at 91% compared to July's 92%. For more details on July's weather specifically, you can check out Oita weather in July.
August and September exhibit noticeable differences in weather patterns. In August, the temperatures range from a minimum of 20°C (69°F) to a maximum of 36°C (97°F), with an average of 28°C (82°F). The month sees a significant amount of precipitation, totaling 228 mm (9.0 inches) over 15 days, accompanied by high humidity levels at 91%. In contrast, September experiences cooler temperatures, with a minimum of 15°C (59°F) and a maximum of 32°C (90°F), averaging 24°C (76°F). Although September has slightly less precipitation at 218 mm (8.6 inches) over 16 days, the humidity drops to 84%. For more detailed information about September weather, you can visit Oita weather in September.
August and October present a striking contrast in weather conditions. In August, temperatures range from a minimum of 20°C (69°F) to a scorching maximum of 36°C (97°F), with an average of 28°C (82°F). The month is also characterized by high humidity levels at 91% and considerable rainfall, accumulating 228 mm (9.0 in) over 15 days. In contrast, October sees cooler temperatures, with a minimum of 9°C (48°F), an average of 19°C (67°F), and a maximum of 30°C (86°F). Precipitation decreases to 183 mm (7.2 in) spread over just 10 days, and humidity drops to 83%. For more detailed insights, check out Oita weather in October.
August and November present strikingly different weather patterns. August is characterized by warm temperatures, with a minimum of 20°C (69°F) and a maximum reaching up to 36°C (97°F), combined with high humidity levels of 91% and substantial rainfall totaling 228 mm (9.0 in) over 15 days. In contrast, November delivers much cooler conditions, featuring a minimum temperature of 4°C (39°F) and an average of 13°C (56°F) to a maximum of 25°C (76°F). Rainfall diminishes significantly to 47 mm (1.8 in) over just 6 days, alongside slightly lower humidity at 81%. For more detailed insights, you can check Oita weather in November.
In August, the weather is characterized by high temperatures, with a minimum of 20°C (69°F) and an average around 28°C (82°F), peaking at a scorching 36°C (97°F). The month is also quite humid, with an average humidity level of 91% and significant rainfall, totaling 228 mm (9.0 in) over 15 days. In stark contrast, December brings cooler temperatures, with minimums dropping to -1°C (31°F) and an average of 8°C (46°F), while maximums reach a mild 22°C (72°F). Precipitation in December is much lighter, with only 53 mm (2.1 in) falling over 6 days, and humidity levels decreased to 79%. For more specifics on December weather, you can check this link: Oita weather in December.
As August wraps Oita in its warm embrace, the weather stands out distinctly from the cooler months, with temperatures soaring to a sweltering maximum of 36°C (97°F) and an average of 28°C (82°F). While the humidity peaks at a muggy 91%, the city also experiences a notable amount of rainfall, with 228 mm (9.0 in) of precipitation over 15 days. This combination of heat and moisture creates a tropical atmosphere, making August one of the most vibrant—and challenging—months to experience in Oita. For a deeper understanding of Oita's weather patterns, including comparisons to other seasons, explore Oita Climate.