Last updated: August 21, 2025
August in Miyakojima, Japan, presents a tropical paradise characterized by warm temperatures and high humidity. The month typically sees maximum temperatures reaching 30°C (87°F) and an average of 28°C (83°F), with minimums around 26°C (79°F), making it a season of warmth that invites beachgoers and nature enthusiasts alike. However, visitors should be prepared for frequent rainfall, as August experiences approximately 279 mm (11.0 in) of precipitation across 21 days. With humidity levels hovering around 82%, the island's lush landscapes thrive, offering a vibrant backdrop for unforgettable summer adventures.
In August, Miyakojima basks in the warm embrace of summer, with temperatures averaging a comfortable 28°C (83°F). This month sees a slightly higher minimum temperature of 26°C (79°F), while the maximum remains steady at 30°C (87°F), maintaining the tropical warmth that characterizes the region. Compared to earlier months, such as May, when temperatures began to rise, August represents the peak of heat and humidity, inviting beach lovers and sun-seekers to enjoy the vibrant natural beauty of the islands. As days stretch under the brilliant sun, the balmy evenings provide a perfect backdrop for leisurely walks and night market explorations, making it an ideal time to relish the breathtaking coastal scenery.
In August, Miyakojima experiences its peak precipitation, recording a substantial 279 mm (11.0 in) of rainfall over 21 days. This month's significant rainfall is indicative of the region's transition into its wettest period, as it follows the already high precipitation levels of June and July, which saw 232 mm and 221 mm, respectively. The uptick in both the amount and frequency of rain during August not only signals the monsoon's intensity but also highlights a trend of increasing moisture leading into the fall months, as September follows closely behind with 260 mm of rain, albeit fewer rainy days. Overall, this pattern underscores the dynamic climatic conditions in Miyakojima during the summer, marking August as a month where the island's lush landscape thrives under the abundant tropical downpours.
In Miyakojima, Japan, August typically showcases a humidity level of 82%, which reflects the island's characteristic tropical climate. Following a gradual increase throughout the spring and summer months, where humidity peaks in June at 86%, August marks a slight decrease as it transitions towards September, which sees a rise back up to 83%. This trend indicates that while the summer remains humid, the air begins to feel marginally more comfortable in August compared to the peaks of the previous month. Overall, the humidity levels in Miyakojima follow a distinct pattern, with the year's highest moisture content generally occurring in late spring and early summer, gradually tapering off as autumn approaches.
In August, Miyakojima experiences a consistently high UV Index of 13, placing it in the extreme exposure category with a burn time of just 10 minutes. This level of UV radiation mirrors the conditions seen from May through July, where residents and visitors alike must remain vigilant to protect their skin from potential sun damage. Notably, while the UV Index is at its peak during these summer months, it starts to decline in September, though it remains at the same extreme level. As the year progresses towards October, the UV Index drops significantly to 10, indicating a shift toward very high exposure. For anyone planning outdoor activities during this period, it’s important to stay informed and take necessary precautions. For more detailed information, check out the Miyakojima UV Index.
UV Risk Categories
In Miyakojima, Japan, August basks in a beautiful 316 hours of sunshine, continuing the trend of abundant sun that peaks during the summer months. Following a gradual increase from 160 hours in January to 333 hours in July, August maintains a near-summer glow, providing ample opportunities for outdoor adventures. As the month transitions into the slightly cooler September, sunshine hours dip to 296, but the lingering summer warmth makes August a cherished time for beachgoers and nature lovers alike. The sunny months of April through August showcase the region's vibrant atmosphere, solidifying Miyakojima's reputation as a summer paradise.
August in Miyakojima, Japan, brings a 35% chance of sunny weather, placing it in the middle range compared to the other months. While this percentage may not seem particularly high, it represents a slight increase from the 29% chance seen in July. As summer progresses, the likelihood of sunshine tends to rise, with a notable surge to 60% in September. This pattern suggests that while August is typically warmer and more humid, it can still offer a fair share of balmy days perfect for outdoor activities. Embracing the sun amidst the tropical climate, visitors can enjoy the beautiful beaches and vibrant surroundings, even if they might need to be mindful of the occasional rain.
In Miyakojima, Japan, August marks a subtle transition in daylight hours, offering around 12 hours of sunlight each day. As summer peaks in the previous months, daylight duration remains steady at the 13-hour mark for June and July. However, August sees a slight decline, hinting at the impending shift towards autumn. This pattern continues into September, where daylight once again remains at 12 hours, before gradually tapering off in the following months. Overall, the trend reveals a gradual ebbing of daylight as the year progresses, with summer's vibrant sun giving way to shorter days as autumn approaches.
In Miyakojima, Japan, the August wind brings a gentle breeze averaging 6.4 m/s (14 mph), setting a calm tone for the summer month. This marks a slight dip from the higher gusts experienced in July, which averaged 7.4 m/s (16 mph), yet remains comfortably within a breezy range that offers relief from the heat. As the summer wanes, the wind picks up again in the early autumn months, with October showcasing an increase to 8.2 m/s (18 mph). Notably, January and December share the highest wind speeds of 8.7 m/s (19 mph), creating a seasonal rhythm where the winds tend to strengthen as the year closes. This trend reflects a dynamic climate that balances the summer's warmth with the refreshing winds that Miyakojima is known for.
Weather in Miyakojima varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Miyakojima, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in August and January, significant differences emerge. August presents a warm climate, with temperatures ranging from a minimum of 26°C (79°F) to a maximum of 30°C (87°F) and an average of 28°C (83°F). This month is characterized by high humidity at 82% and considerable rainfall, accumulating 279 mm (11.0 in) over 21 days. In contrast, January offers a cooler environment, where temperatures range from 12°C (55°F) to 25°C (77°F), averaging around 20°C (68°F). Precipitation is much lower in January, with just 90 mm (3.6 in) over 12 days and a somewhat reduced humidity level of 73%. For a closer look at the January weather, you can visit Miyakojima weather in January.
In August, the weather is significantly warmer and more humid, with average temperatures ranging from a minimum of 26°C (79°F) to a maximum of 30°C (87°F). This month is also marked by considerable rainfall, receiving 279 mm (11.0 in) over approximately 21 days, resulting in a high humidity level of 82%. In contrast, February experiences much cooler temperatures, with averages from a minimum of 14°C (57°F) to a maximum of 24°C (76°F). Precipitation is much lighter at 74 mm (2.9 in) over about 13 days, and the humidity is relatively lower at 73%. For more details, you can check the Miyakojima weather in February.
August weather is characterized by significantly higher temperatures, with a minimum of 26°C (79°F) and an average of 28°C (83°F), compared to March's cooler temperatures that range from a minimum of 16°C (60°F) to an average of 21°C (71°F). The peak temperature in August can reach 30°C (87°F), while March tops out at 25°C (78°F). Additionally, August experiences much more precipitation, with 279 mm (11.0 in) recorded over 21 days, compared to March's 135 mm (5.3 in) over 13 days. Humidity is also slightly higher in August at 82%, compared to March’s 77%. For more detailed information, you can read about Miyakojima weather in March.
When comparing the weather in August and April, there's a noticeable contrast in both temperature and precipitation. August is significantly warmer, with average temperatures ranging from a minimum of 26°C (79°F) to a maximum of 30°C (87°F), compared to April's milder range of 17°C (62°F) to 27°C (81°F). Additionally, August experiences higher humidity, averaging 82%, while April is slightly less humid at 83%. Precipitation levels also differ considerably; August receives 279 mm (11.0 in) of rain over 21 days, whereas April sees about 126 mm (5.0 in) over only 12 days. For more detailed information, you can check out Miyakojima weather in April.
When comparing the weather in August and May, it's clear that August is warmer and more humid. In August, temperatures range from a minimum of 26°C (79°F) to a maximum of 30°C (87°F) with an average of 28°C (83°F), while May's temperatures are slightly cooler, with a minimum of 21°C (70°F), an average of 25°C (78°F), and a maximum of 29°C (84°F). Additionally, August experiences significantly more rainfall, with 279 mm (11.0 in) over 21 days compared to May's 157 mm (6.2 in) across 14 days. Humidity is also high in both months, peaking at 85% in May and slightly lower at 82% in August. For more specific details on the weather in May, you can check out Miyakojima weather in May.
In comparing the weather between June and August, both months exhibit warm temperatures, with June experiencing slightly lower minimum temperatures at 24°C (76°F) compared to August's 26°C (79°F). The average temperatures remain the same at 28°C (82°F), while August records a maximum of 30°C (87°F), just a degree higher than June's high of 30°C (86°F). Precipitation levels are more pronounced in August, with 279 mm (11.0 in) over 21 days, compared to June's 232 mm (9.2 in) over 18 days, contributing to August's slightly higher humidity at 82% versus June's 86%. For more detailed insights into June's weather patterns, check out Miyakojima weather in June.
In comparing the weather between July and August, August experienced slightly lower minimum and average temperatures, with a minimum of 26°C (79°F) and an average of 28°C (83°F), compared to July's 27°C (80°F) and 29°C (84°F). However, both months had the same maximum temperature of 30°C (87°F). Precipitation levels were notably higher in August, with 279 mm (11.0 in) of rain over 21 days, whereas July saw 221 mm (8.7 in) across just 14 days. The humidity levels were also high, with August averaging 82% compared to July’s 84%. For more details, you can check Miyakojima weather in July.
Comparing the weather between August and September reveals some notable similarities and minor differences. Both months maintain an average temperature of 28°C (83°F), with maximum temperatures reaching 30°C (87°F) in both periods. However, August experiences slightly higher humidity at 82% compared to September's 83%. In terms of precipitation, August is wetter with 279 mm (11.0 in) over 21 days, while September sees a bit less rain at 260 mm (10.3 in) across 17 days. For more detailed insights into September weather, you can check out Miyakojima weather in September.
In August, the weather tends to be hotter and more humid, with temperatures peaking at 30°C (87°F) and an average temperature of 28°C (83°F). The month is also characterized by significant rainfall, totaling 279 mm (11.0 in) over 21 days, resulting in a humidity level of 82%. In contrast, October brings slightly cooler temperatures, with a maximum of 29°C (85°F) and a lower average of 26°C (79°F). The precipitation also decreases to 140 mm (5.5 in) over 15 days, while humidity remains relatively consistent at 81%. For a more detailed look at October weather, you can visit Miyakojima weather in October.
August and November present distinctly different weather patterns. In August, temperatures soar with a minimum of 26°C (79°F) and an average of 28°C (83°F), reaching a peak of 30°C (87°F). This month also experiences heavy rainfall, with a staggering 279 mm (11.0 in) over 21 days, resulting in high humidity levels averaging 82%. In contrast, November brings cooler temperatures, featuring a minimum of 20°C (68°F), an average of 24°C (76°F), and a maximum of 26°C (80°F). Precipitation decreases significantly to 123 mm (4.9 in) over just 13 days, with humidity remaining relatively stable at 81%. For more details on November weather, you can visit Miyakojima weather in November.
In August, the weather is characterized by warmer temperatures, with a minimum of 26°C (79°F) and an average high reaching 30°C (87°F), alongside high humidity levels at 82%. This month experiences substantial rainfall, with 279 mm (11.0 in) of precipitation spread over 21 days, making it one of the wettest months. In contrast, December brings milder conditions, featuring a lower minimum temperature of 14°C (58°F) and an average high of 26°C (79°F). Although it sees slightly less rainfall at 229 mm (9.0 in) over 18 days and a lower humidity at 77%, it remains a wet month. For more detailed information, you can visit Miyakojima weather in December.
August in Miyakojima is characterized by warm and humid conditions, making it distinct from other months. With high humidity levels often reaching around 82%, temperatures consistently hover around 28°C (83°F), peaking at 30°C (87°F). This month is particularly notable for its frequent rainfall, averaging 21 days of precipitation and accumulating about 279 mm (11.0 in). The combination of warmth and moisture creates a lush environment perfect for enjoying the island's beautiful landscapes. For those curious about climate patterns and how August compares to other months on this stunning Okinawan island, check out Miyakojima Climate.