Last updated: August 21, 2025
In Ibusuki, Japan, August unveils a tropical atmosphere characterized by warm temperatures and high humidity. With a maximum reaching 34°C (93°F) and an average of 28°C (83°F), visitors can expect balmy days perfect for exploring this vibrant destination. However, the region experiences significant precipitation, totaling 217 mm (8.6 in) over 17 days, making it essential to prepare for occasional rain. With humidity levels soaring at 85%, Ibusuki's August weather offers a lush and invigorating backdrop for both adventure and relaxation amidst its stunning coastal landscape.
In Ibusuki, Japan, August marks the peak of summer, showcasing a notable shift from the cooler months earlier in the year. With minimum temperatures averaging 24°C (75°F), and maximums soaring up to 34°C (93°F), this month delivers a warm embrace that's perfect for beachgoers and outdoor enthusiasts alike. The average temperature settles around 28°C (83°F), reflecting the intense warmth that characterizes this season. As the sultry days of August unfold, they contrast sharply with the winter chill of January, which can dip to -1°C (31°F). This progression not only highlights the region's climatic diversity but also invites visitors to experience the lush, vibrant landscapes that Ibusuki has to offer during its hottest month.
In August, Ibusuki experiences a substantial precipitation total of 217 mm (8.6 in) over about 17 days, marking a notable reduction from the heavy downpours of the preceding July. Despite this decrease, August remains one of the wetter months of the year, reflecting the region's humid subtropical climate. The rainfall patterns observed in July and August are part of a broader trend, with the summer months consistently delivering high precipitation levels, peaking in June. As the season transitions into fall, precipitation starts to taper off, suggesting a shift toward drier conditions in the coming months. This fluctuation not only influences the local landscape but also shapes the vibrant ecosystems that thrive along the Ibusuki coast.
In Ibusuki, Japan, August brings a notable shift in humidity, settling at 85%. This reflects a slight decrease from the sweltering peak of 90% experienced in July, yet remains significantly higher than the more comfortable levels seen earlier in the year. As spring blooms into summer, the humidity gradually climbs, starting from 72% in January and reaching its zenith in July. After August, there is a gradual decline, with September dropping to 80%. This pattern illustrates Ibusuki's typical summer transition—where the air becomes increasingly saturated, creating that distinct muggy feel characteristic of Japan's summer months.
In August, Ibusuki, Japan, experiences its peak UV Index, soaring to 13, which falls within the extreme exposure category, requiring a mere 10 minutes of sun exposure before risking skin damage. This month's heightened UV levels are part of a notable trend observed from the onset of spring, with values increasing progressively from moderate in January to extreme levels during the summer. As the mercury rises, so does the need for sun protection, a crucial consideration for outdoor enthusiasts and beachgoers alike. The UV Index begins to decline in September, but still remains significantly high at 11, indicating that vigilance is essential even as summer wanes. For more information on Ibusuki's UV conditions, check out the detailed insights on the Ibusuki UV Index.
UV Risk Categories
August in Ibusuki, Japan, basks in 315 hours of glorious sunshine, making it the sunniest month of the year. This vibrant month stands out against the backdrop of bustling summer, showcasing a consistent upward trend in daylight from the previous months. With July closely following at 288 hours, the peak of summer illuminates Ibusuki, inviting locals and visitors alike to revel in outdoor activities and nature's beauty. As the sunshine begins to wane in September with 276 hours, it marks a subtle shift towards the cooler months, creating a seamless transition into autumn while still holding onto the warmth of summer's radiance. Overall, August not only captivates with its long sunny days but also encapsulates the essence of summer's vitality in this beautiful coastal town.
In Ibusuki, Japan, the likelihood of sunny weather in August stands at 31%, reflecting a notable increase from the gloomier summer months of June and July, which see only 17% and 21% chances of sunshine, respectively. This improvement signals a transition as the region moves into late summer, where sunny days become more favorable before the arrival of autumn. Comparatively, the sunny prospects in August are still below September's 42%, suggesting that while August offers some bright moments, it's best to keep an umbrella handy as the weather patterns can be quite unpredictable in this serene coastal area.
In August, Ibusuki, Japan, enjoys a generous 13 hours of daylight, similar to the month before. This month marks the peak of summer, where the days are long and sunlit, perfect for outdoor activities and soaking in the region's renowned hot springs. Interestingly, the length of daylight starts to gradually decline after August, with a noticeable decrease in the coming months. The bright 14 hours of sunshine in June transitions into a steady decline, indicating a shift towards shorter days as the year progresses. Overall, August serves as a delightful bridge between the vibrant summer months and the cooler, less luminous days that lie ahead.
In August, Ibusuki, Japan experiences a gentle average wind speed of 4.0 m/s (9 mph), slightly below the breeziness of the preceding summer months. This peaceful airflow reflects a broader trend seen throughout the year, where wind speeds tend to fluctuate mildly, peaking in February at 5.1 m/s (12 mph) before tapering down as the seasons change. It’s intriguing to note that August’s winds align closely with those of January and March, suggesting a consistent character to the coastal breezes even during the warmest month. As summer wanes, the pleasant winds maintain a refreshing touch, providing respite from the heat while seamlessly transitioning into the softer balms of autumn in the months to follow.
Weather in Ibusuki varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Ibusuki, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present a striking contrast in weather. August boasts warm temperatures, with a minimum of 24°C (75°F) and an average of 28°C (83°F), peaking at 34°C (93°F). This month also sees considerable rainfall, with 217 mm (8.6 in) falling over 17 days, accompanied by high humidity levels at 85%. In stark contrast, January features a much cooler climate, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 21°C (70°F), averaging just 10°C (50°F). This winter month experiences significantly less precipitation, totaling 57 mm (2.3 in) over only 6 days, and lower humidity at 72%. For more specific details about January weather, you can visit Ibusuki weather in January.
August and February present stark contrasts in weather conditions. In August, temperatures soar with a minimum of 24°C (75°F) and an average of 28°C (83°F), peaking at a sweltering 34°C (93°F). The month is characterized by high humidity at 85% and substantial rainfall, totaling 217 mm (8.6 in) over 17 days. In contrast, February brings a chill, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 21°C (71°F), culminating in a much cooler average of 10°C (51°F). Precipitation is lighter in February, averaging 110 mm (4.3 in) over just 10 days, and the humidity is notably lower at 68%. For more details, you can check Ibusuki weather in February.
When comparing the weather between August and March, a striking contrast becomes evident. August typically showcases warm temperatures, with a minimum of 24°C (75°F) and an average of 28°C (83°F), reaching up to a maximum of 34°C (93°F). This warmth is accompanied by high humidity levels at 85% and significant rainfall, averaging 217 mm (8.6 in) over 17 days. In contrast, March presents a much cooler climate, with temperatures ranging from a chilly minimum of 3°C (39°F) to a milder average of 14°C (57°F), and a maximum of 23°C (74°F). While March still sees precipitation, it totals 188 mm (7.4 in) over just 13 days, and humidity levels are lower at 72%. For more details, you can check Ibusuki weather in March.
In comparing the weather between August and April, it's evident that August is significantly warmer and more humid. The average temperature in August hovers around 28°C (83°F), with maximum highs reaching up to 34°C (93°F), while April is much cooler, averaging just 17°C (63°F) and peaking at 26°C (79°F). Additionally, August experiences heavier rainfall, with 217 mm (8.6 in) of precipitation over 17 days compared to April's 148 mm (5.8 in) over just 9 days. Despite the higher humidity levels in August at 85%, April holds a comfortable 79%. For a more detailed look at the weather in April, you can check Ibusuki weather in April.
When comparing the weather in August and May, notable differences emerge in temperature and precipitation patterns. August generally boasts warmer temperatures, with minimums around 24°C (75°F) and maximums reaching 34°C (93°F), while May has cooler temperatures, ranging from a minimum of 10°C (50°F) to a maximum of 28°C (83°F). Interestingly, May experiences slightly higher total precipitation—262 mm (10.3 in) over 12 days—compared to August's 217 mm (8.6 in) over 17 days, indicating that rainfall is more frequent but less intense in August. Humidity remains high in both months, with August at 85% and May at 83%. For more detailed insights into May weather, you can explore Ibusuki weather in May.
When comparing the weather in August and June, August is considerably warmer, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 34°C (93°F), while June sees cooler temperatures with a minimum of 17°C (62°F) and a maximum of 30°C (86°F). August experiences significant rainfall, with 217 mm (8.6 in) over 17 days, although June is even wetter, receiving 455 mm (17.9 in) across 19 days. Both months have high humidity levels, with August at 85% and June slightly higher at 86%. For more details on the specifics of June weather, you can refer to Ibusuki weather in June.
In comparing the weather of August and July, August tends to be slightly warmer, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 34°C (93°F), while July sees a min of 20°C (68°F) and a max of 33°C (91°F). However, July experiences significantly more precipitation, with 391 mm (15.4 in) falling over 23 days, compared to August's 217 mm (8.6 in) over 17 days. Humidity levels remain high in both months, with July being slightly more humid at 90%, compared to August's 85%. For a detailed overview, you can check Ibusuki weather in July.
In August, temperatures are generally warmer, with minimums around 24°C (75°F) and maximums reaching 34°C (93°F), while September sees a slight drop in temperatures, with minimums of 19°C (66°F) and maximums of 32°C (89°F). Despite the cooler temperatures in September, it experiences higher precipitation levels, totaling 265 mm (10.5 in) over 19 days, compared to August’s 217 mm (8.6 in) over 17 days. The humidity remains relatively high in both months, with August at 85% and September slightly lower at 80%. For a closer look at what to expect, check out Ibusuki weather in September.
In comparing the weather between August and October, notable differences emerge. August is characterized by warm temperatures, with a minimum of 24°C (75°F) and an average of 28°C (83°F), peaking at a maximum of 34°C (93°F). This month also experiences significant precipitation, with 217 mm (8.6 in) falling over 17 days, contributing to a high humidity level of 85%. In contrast, October sees a cooler climate, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 30°C (86°F) and an average of 22°C (72°F). Precipitation is lower in October, totaling 148 mm (5.8 in) over 11 days, and humidity decreases to 78%. For more specifics on October’s conditions, check out Ibusuki weather in October.
In comparing the weather of August and November, a stark contrast emerges. August boasts significantly warmer temperatures, with a minimum of 24°C (75°F) and an average high of 34°C (93°F), alongside high humidity at 85%. Additionally, August experiences more rainfall, totaling 217 mm (8.6 in) over an average of 17 days. In contrast, November presents a much cooler climate, with temperatures ranging from a low of 6°C (44°F) to a pleasant average of 17°C (62°F), peaking at 26°C (80°F). Rainfall is also less frequent in November, with only 108 mm (4.3 in) across 9 days and lower humidity at 76%. For more insights on what to expect, check out Ibusuki weather in November.
August and December present stark contrasts in weather conditions. In August, temperatures soar with a minimum of 24°C (75°F) and can reach up to 34°C (93°F), accompanied by high humidity at 85%. This month is also marked by significant rainfall, averaging 217 mm (8.6 in) over 17 days. On the other hand, December offers much cooler temperatures, with a minimum of 1°C (34°F) and an average of 12°C (53°F), peaking at 24°C (75°F). The precipitation decreases significantly to 92 mm (3.6 in) across just 8 days, and humidity drops to a more comfortable 74%. For a more detailed look at the December weather, you can check Ibusuki weather in December.
August in Ibusuki is marked by hot and humid conditions, with the warmth reaching its peak for the year. Compared to other months, the combination of high temperatures and significant rainfall creates a unique tropical climate, making it feel particularly oppressively humid. While the frequency of rain may be a drawback for some, it also nourishes the lush landscapes that Ibusuki is known for. If you’re planning a visit, be prepared for steamy days and the possibility of widespread showers. To gain a deeper understanding of what to expect throughout the year, check out the comprehensive details on Ibusuki Climate.