Last updated: August 21, 2025
In Koshima, Japan, July brings a tropical ambiance characterized by warm temperatures and considerable humidity. With a maximum of 30°C (86°F) and an average of 27°C (81°F), this month provides a perfect backdrop for summer activities, despite a minimum temperature of 23°C (73°F). However, the weather is notably damp, with a precipitation total of 281 mm (11.0 in) over 17 rainy days, creating a lush, vibrant landscape. The 90% humidity can make outdoor adventures feel all the more intense, urging visitors to seek shade or a quick respite indoors during the particularly steamy spells. Enthusiasts of nature and culture alike will find July in Koshima a unique blend of heat and humidity, ideal for exploration with a touch of rain.
In Koshima, Japan, July ushers in the peak of summer with temperatures that reflect the season's warmth. With a minimum temperature of 23°C (73°F) and an average high reaching 30°C (86°F), the month radiates a balmy energy perfect for outdoor adventures. The steady rise from previous months culminates here, as the temperatures shift dramatically from the cooler spring air. July's warm embrace, characterized by an average temperature of 27°C (81°F), encourages both residents and visitors to indulge in the area's vibrant culture and lush landscapes. As the hottest month of the year, it offers a taste of tropical bliss that is both inviting and energizing.
In July, Koshima, Japan, experiences substantial rainfall, with a total precipitation of 281 mm (11.0 in) over approximately 17 days of rain. This marks a noticeable decrease from June's remarkable 491 mm (19.3 in), which indicates that while July remains a wet month, it transitions towards more balanced conditions. The rainfall in July is significant enough to sustain the region's lush landscapes, yet notably less intense than the peak summer rains. As August approaches, Koshima sees further reduction in rainfall, hinting at the end of the intense rainy season. This gradual shift underscores the region's climatic variability as it moves from the heavy precipitation of mid-summer into lighter rhythms, paving the way for seasonal change.
In Koshima, Japan, July brings a peak in humidity, reaching an impressive 90%. This month seamlessly follows a rising trend from the cooler winter months, where humidity hovered around 72% in January and March, before gradually climbing through the spring. As temperatures warm up, humidity levels continue to surge, peaking during the summer with June already at a sticky 86%. However, Koshima's climate does not lose its intensity post-July, as humidity remains high in August at 85%. This consistent moisture in the air not only characterizes the sweltering summer but also sets the stage for the pleasant, milder conditions that follow in the autumn months. Overall, the data paints a vivid picture of Koshima's humid climate, with July standing out as the climax of this trend.
In July, Koshima, Japan, experiences one of its peak UV Index readings at 13, which falls into the extreme exposure category. This trend, consistent with the previous month, indicates that sun protection is essential, as the burn time is limited to just 10 minutes. As summer fully sets in, it's vital for residents and visitors alike to remain vigilant against the sun's rays, especially considering the steadily increasing levels observed since March. With UV indexes transitioning from moderate in January to an alarming extreme in July, the need for sunscreen, protective clothing, and shade becomes increasingly critical. Embrace the sunny days while staying safe and informed! For more insights, visit Koshima UV Index.
UV Risk Categories
In July, Koshima basks in an impressive 302 hours of sunshine, marking it as one of the sunniest months of the year. This substantial increase in daylight is part of a broader trend, as the region transitions from the moderately sunny spring months into the full embrace of summer. March and April initiate a gradual climb, with sunshine hours steadily rising from 253 to 273. By May, the days grow even longer, reaching 280 hours. However, it is the leap to July that truly captivates, peaking before a slight dip in August with 319 hours. This pattern creates an inviting atmosphere, perfect for outdoor adventures and soaking up the vibrant energy of Koshima's summer sun.
In Koshima, Japan, the likelihood of sunny weather in July offers a modest 26% chance of clear skies. This figure is part of a broader trend that shows a general decline in sunny days from the spring months—where April enjoys a 36% chance—to the summer onset, reflecting the increasing cloud cover and precipitation typical of this season. Interestingly, this pattern shifts in August, where the odds of sunshine rise to 38%, suggesting a return to brighter days as summer continues. September further enhances this trend with an even sunnier 46% chance, hinting at a seasonal transition towards more favorable weather as autumn approaches.
In Koshima, Japan, the daylight duration reveals an enchanting rhythm that aligns with the changing seasons. Starting from January, the days are brief, offering around 10 hours of sunlight, which gradually increases to a vibrant 14 hours by June, welcoming the summer. As July arrives, daylight holds steady at approximately 13 hours, creating a perfect backdrop for outdoor activities. This trend of abundance continues into August before a gentle decline begins as autumn approaches. By September, the daylight wanes to 12 hours, leading to a gradual decrease into the colder months. The shifting patterns not only illuminate the landscape but also mirror the region's seasonal transformation, inviting both locals and visitors to embrace the rhythm of nature.
In Koshima, Japan, the July winds blow at an average speed of 7.6 m/s (17 mph), representing a slight increase from the gentle breezes of June, which measured 6.3 m/s (14 mph). This transitional month typically experiences a consistent airflow, following a trend of fluctuating wind speeds that peak in the months surrounding winter. Notably, January and February showcase the highest gusts, averaging 8.1 m/s (18 mph) and 9.6 m/s (21 mph) respectively, while the summer months tend to bring milder conditions, culminating with July's refreshing winds. As the year progresses, you can see a gradual decrease leading into the more tranquil late summer and early autumn months, where September dips to its lowest at 5.8 m/s (13 mph). This dynamic pattern illustrates the interplay of seasonal shifts, making July a delightful time to experience the breezy charm of Koshima.
Weather in Koshima varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Koshima, focusing on differences in temperature, rainfall, humidity, and UV levels.
July and January present a stark contrast in weather conditions. In July, temperatures soar with a minimum of 23°C (73°F) and an average of 27°C (81°F), peaking at a warm 30°C (86°F). The month is characterized by high humidity at 90% and substantial rainfall, totaling 281 mm (11.0 in) over 17 days. In contrast, January brings a much cooler climate, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 21°C (70°F), averaging around 14°C (57°F). Precipitation is significantly lower at 108 mm (4.2 in) over 12 days, along with a more comfortable humidity level of 72%. For more detailed insights into January's weather, visit Koshima weather in January.
In comparing the weather between July and February, we see a significant contrast in temperature and humidity levels. July boasts much warmer conditions, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 30°C (86°F) and high humidity at 90%. Conversely, February experiences milder temperatures, with an average of 14°C (57°F) and a maximum of 21°C (70°F), coupled with lower humidity at 68%. Precipitation is also more substantial in July, with 281 mm (11.0 in) over 17 days, compared to February's 157 mm (6.2 in) across 16 days. For further insights on February weather in Koshima, you can visit Koshima weather in February.
July and March present contrasting weather conditions. In July, temperatures tend to be significantly warmer, with an average of 27°C (81°F) and highs reaching up to 30°C (86°F), while March offers a cooler climate with averages around 16°C (62°F) and maximums of 22°C (72°F). Precipitation levels are higher in July at 281 mm (11.0 in) over 17 days, compared to March's 213 mm (8.4 in) over 16 days. Additionally, the humidity in July is notably higher at 90%, while March maintains a more moderate 72%. For more details on March weather, you can visit Koshima weather in March.
In comparing the weather of July and April, it’s evident that July experiences significantly warmer temperatures, with averages around 27°C (81°F) compared to April's milder average of 19°C (66°F). The maximum temperature in July can reach up to 30°C (86°F), while April peaks at 24°C (75°F). Additionally, July is characterized by higher humidity levels at 90%, contrasted with April's more comfortable 79%. While both months see considerable rainfall, July with 281 mm (11.0 in) over 17 days offers a wetter experience than April's 186 mm (7.3 in) across just 12 days. For a closer look at Koshima's weather in April, check out Koshima weather in April.
July and May exhibit distinct weather characteristics, with July being notably warmer and more humid. In July, temperatures range from a minimum of 23°C (73°F) to an average of 27°C (81°F), peaking at 30°C (86°F). In comparison, May features cooler temperatures with a minimum of 16°C (61°F), an average of 22°C (71°F), and a maximum of 26°C (78°F). While both months experience significant rainfall, July sees slightly more precipitation at 281 mm (11.0 in) over 17 days, compared to May's 273 mm (10.7 in) over 13 days. The humidity in July also rises to 90%, higher than May's 83%, making the summer month feel more oppressive. For a detailed look at the weather in May, you can refer to Koshima weather in May.
In comparing the weather between June and July, we can observe that July tends to be slightly warmer, with average temperatures rising from 24°C (76°F) in June to 27°C (81°F) in July. The maximum temperatures also increase, peaking at 30°C (86°F) in July compared to 27°C (81°F) in June. However, July experiences considerably less rainfall, with 281 mm (11.0 in) over 17 days, compared to June's 491 mm (19.3 in) over 19 days. Despite the warmer temperatures, the humidity remains notably high in both months, rising from 86% in June to 90% in July. For a more detailed look at the weather during June, you can refer to Koshima weather in June.
In July, the weather is characterized by warm temperatures with a minimum of 23°C (73°F), an average of 27°C (81°F), and a maximum of 30°C (86°F). The month experiences significant rainfall, totaling 281 mm (11.0 in) over 17 days, paired with high humidity levels at 90%. In contrast, August sees a slight increase in minimum temperature at 24°C (76°F) and an average of 28°C (82°F), while the maximum remains the same at 30°C (86°F). Precipitation in August decreases to 214 mm (8.4 in) over 16 days, and humidity also drops to 85%. Overall, while both months are warm and humid, August tends to be slightly drier and more comfortable. For more detailed information, you can check Koshima weather in August.
In comparing the weather between July and September, we find that both months have similar average temperatures, with July averaging around 27°C (81°F) and September slightly cooler at 27°C (80°F). However, July tends to be more humid, with humidity levels reaching 90%, compared to September’s 80%. Additionally, July experiences higher precipitation, totaling 281 mm (11.0 in) over 17 days, while September sees slightly less at 256 mm (10.1 in) spread over 20 days. For those interested in detailed month-specific information, you can check out Koshima weather in September.
The weather in July is characterized by warmer temperatures, with a minimum of 23°C (73°F) and an average of 27°C (81°F), reaching a peak of 30°C (86°F). This month also experiences high humidity at 90% and significant rainfall, with 281 mm (11.0 in) of precipitation spread over 17 days. In contrast, October brings cooler conditions, featuring a minimum temperature of 18°C (65°F) and an average of 24°C (75°F), with a maximum of 27°C (81°F). The humidity decreases to 78%, and total precipitation drops significantly to 164 mm (6.4 in) over 13 days. For more detailed information, check out Koshima weather in October.
In comparing the weather of July and November, notable differences emerge in both temperature and precipitation. July typically boasts much warmer temperatures, with averages around 27°C (81°F) and maximums reaching 30°C (86°F), accompanied by high humidity levels at 90%. Conversely, November experiences cooler temperatures, averaging 20°C (68°F), with maximums of 25°C (78°F) and a significantly lower humidity of 76%. Additionally, July sees higher precipitation, totaling 281 mm (11.0 in) over 17 days, while November records a lesser amount of 150 mm (5.9 in) over just 13 days. For more details on November weather, you can check Koshima weather in November.
July and December present strikingly different weather conditions. In July, temperatures range from a minimum of 23°C (73°F) to a maximum of 30°C (86°F), with an average of 27°C (81°F). The month experiences significant rainfall, totaling 281 mm (11.0 in) over 17 days, accompanied by high humidity levels of 90%. In contrast, December’s weather is much cooler, with temperatures varying from 8°C (46°F) at night to a daytime maximum of 24°C (75°F), averaging 16°C (61°F). Rainfall is also reduced, amounting to 132 mm (5.2 in) over 14 days, and humidity drops to 74%. For more detailed information about December weather, you can visit Koshima weather in December.
In July, Koshima experiences a notable shift in weather patterns, characterized by the peak of summer warmth and high humidity. With temperatures reaching a maximum of 30°C (86°F) and a sultry average of 27°C (81°F), the month is significantly warmer compared to the cooler months of spring and autumn. However, July also brings increased precipitation, with rain occurring on about half the days, making it one of the wettest months of the year. The humidity hovers around a steamy 90%, adding to the tropical feel. This combination of heat and moisture sets July apart, creating a lush ambiance that is perfect for enjoying Koshima's natural beauty. For more insights into Koshima's climate throughout the year, visit Koshima Climate.