Last updated: August 21, 2025
Koshima, Japan in October offers a pleasant climate with average temperatures hovering around 24°C (75°F), reaching a maximum of 27°C (81°F), while dipping to a mild minimum of 18°C (65°F) during the nights. This transitional month experiences significant precipitation, accumulating around 164 mm (6.4 in) over 13 rainy days, contributing to a higher humidity level of 78%. Visitors can enjoy the beauty of autumn foliage while being prepared for occasional showers, making it a captivating time to explore the rich cultural landscape of Koshima.
In October, Koshima, Japan experiences a gentle transition into autumn, with temperatures reflecting a mild climate perfect for outdoor exploration. The daily minimum settles at a comfortable 18°C (65°F), while the average rises to a pleasant 24°C (75°F), peaking at a maximum of 27°C (81°F). This month continues the trend of warmer temperatures seen throughout the summer, although there’s a noticeable shift as the days become shorter and cooler. As the scorching heat of September fades away, October invites visitors to enjoy the beauty of the changing foliage, making it an ideal time for adventures in this picturesque region.
In October, Koshima experiences a transition into the cooler months with precipitation reaching 164 mm (6.4 in) over an average of 13 days. This amount marks a notable decrease from the preceding months, particularly from the heavy rainfall of June and July, which often exceed 280 mm. As autumn settles in, the weather shifts, leading to a drier spell compared to September, which recorded 256 mm across 20 days. This decline reflects a gentle tapering off of the rainy season, while still providing ample moisture that sustains the region's lush landscapes as it prepares for the drier winter months ahead.
In Koshima, Japan, October marks a transition in humidity as the summer heat begins to wane. With an average humidity level of 78%, October retains a sense of lingering warmth, though it is notably lower than the highs of 90% experienced in July. This month has a comfortable balance, offering a dip from the peak summer months while still reflecting the lingering effects of the preceding season. As the year progresses, humidity tends to fluctuate; after peaking in June and July, it steadily decreases towards the year-end, showcasing a gradual shift in the climate. This pattern ultimately reflects Koshima's humid subtropical climate, characterized by significant seasonal changes that keep the atmosphere dynamic throughout the year.
In October, Koshima, Japan, experiences a UV Index of 8, categorized as very high, with a burn time of just 15 minutes. This marks a notable decline from the peak summer months, where the UV Index soared to extreme levels around 12-13. However, as the weather begins to cool, UV exposure remains significant, reflecting a transition from the intense summer sun. As daylight wanes and temperatures drop, it's crucial to remain vigilant about sun protection, especially during midday hours. For more detailed information on UV exposure throughout the year, check out Koshima UV Index.
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As October rolls around in Koshima, the city enjoys a delightful 266 hours of sunshine, contributing to a warm and vibrant atmosphere. This month sits comfortably between the sun-drenched heights of summer, with August basking in 319 hours of golden rays, and the slightly less radiant November, which drops to 238 hours. This gradual decline in sunlight from summer peaks reflects the transitioning seasons, inviting residents and visitors alike to savor the beautiful, mild days of autumn. With each passing month, Koshima showcases a rhythmic dance of sunlight that enhances its natural beauty, making October a perfect time to experience the charm of this picturesque destination.
October in Koshima, Japan, ushers in a delightful shift in weather patterns, boasting a 53% chance of sunny days. This significant increase from the preceding months showcases a trend toward clearer skies as autumn settles in. Following the relatively gray summer months, where June and July lingered at 17% and 26% sunny days respectively, October emerges as a beacon of brightness. With 46% sunshine documented in September, the steady climb to October's sunnier disposition reflects the region's transition into a more pleasant and inviting season, perfect for enjoying the breathtaking fall foliage and outdoor activities.
As autumn settles in Koshima, Japan, October brings a gentle transition in daylight hours, offering approximately 11 hours of sunlight each day. Following the vibrant peak of summer in June, which boasts the longest daylight at 14 hours, the days gradually shorten through the fall. The daylight duration dips from 13 hours in July and August to 12 hours in September, before reaching November's cooler months, where it further decreases to 10 hours. This rhythmic cycle highlights the serene, yet consistent ebb and flow of light throughout the year, creating a picturesque backdrop for the changing seasons.
As October sweeps into Koshima, Japan, the wind begins to pick up, averaging 7.4 m/s (17 mph), a refreshing change from the gentle breezes of late summer. This month marks a transition from the mildest winds of September, which dipped to 5.8 m/s (13 mph), suggesting a gradual resurgence in wind strength as autumn deepens. The trend shows an increasing wind speed from early fall, contrasting sharply with the stillness of June and July, where winds averaged 6.3 m/s (14 mph) and 7.6 m/s (17 mph), respectively. Looking ahead, November promises to follow suit, likely bringing a brisker atmosphere with average winds rising again to 8.4 m/s (19 mph). Thus, October serves as a bridge, ushering in the invigorating gusts of the approaching winter season.
Weather in Koshima varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Koshima, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, Koshima experiences warm temperatures, with a minimum of 18°C (65°F) and an average of 24°C (75°F), peaking at 27°C (81°F). The month is also characterized by considerable rainfall, averaging 164 mm (6.4 in) over approximately 13 days, coupled with a high humidity level of 78%. In contrast, January brings much cooler weather, featuring a minimum temperature of 6°C (44°F), an average of 14°C (57°F), and a maximum of 21°C (70°F). Although January sees less precipitation at 108 mm (4.2 in) spread across 12 days, the humidity is slightly lower at 72%. The shift from October's warmth and humidity to January's cooler temperatures highlights the distinct seasonal changes in Koshima. For more detailed information, you can visit Koshima weather in January.
October features warmer temperatures with a minimum of 18°C (65°F) and an average of 24°C (75°F), peaking at 27°C (81°F). This month also experiences considerable rainfall, averaging 164 mm (6.4 in) over 13 days, alongside high humidity at 78%. In contrast, February presents a cooler climate, with temperatures dropping to a minimum of 7°C (44°F), an average of 14°C (57°F), and a maximum of 21°C (70°F). The precipitation in February is slightly lower at 157 mm (6.2 in), but it falls over 16 days, indicating a relatively wet month. The humidity is also lower in February at 68%. For more detailed information about February weather, you can check Koshima weather in February.
In comparing the weather of October and March, October tends to be warmer, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 27°C (81°F), whereas March offers cooler conditions, with temperatures peaking at 22°C (72°F). Additionally, October experiences more humidity, averaging 78%, compared to March's 72%. Precipitation is also notable, as October receives 164 mm (6.4 in) over 13 days, while March sees a higher total of 213 mm (8.4 in) across 16 days. For more detailed information on March weather in this region, visit Koshima weather in March.
In comparing October and April weather, October boasts warmer temperatures with a minimum of 18°C (65°F), averaging at 24°C (75°F), and reaching a maximum of 27°C (81°F). In contrast, April features cooler temperatures, starting at a minimum of 12°C (53°F) and peaking at 24°C (75°F) with an average of 19°C (66°F). Both months experience significant rainfall, with October receiving 164 mm (6.4 in) over 13 days and April slightly higher at 186 mm (7.3 in) over 12 days. Humidity levels are quite similar, with October at 78% and April at 79%. For more detailed information, you can visit Koshima weather in April.
In comparing the weather of October and May, we observe that both months feature similar temperature ranges, with October experiencing slightly warmer conditions. October boasts an average temperature of 24°C (75°F), peaking at 27°C (81°F), while May has an average of 22°C (71°F) and a maximum of 26°C (78°F). However, May is notably wetter, receiving 273 mm (10.7 in) of precipitation compared to October's 164 mm (6.4 in), even though both months share a similar number of rainy days at 13. Humidity levels are also slightly higher in May at 83%, compared to October's 78%. For a detailed look at May weather specifically, you can visit Koshima weather in May.
When comparing the weather in October and June, both months exhibit similar average temperatures, with October ranging from a minimum of 18°C to a maximum of 27°C and June showing a slightly higher minimum of 19°C. However, June is notable for significantly higher rainfall, with 491 mm of precipitation over 19 days compared to October’s 164 mm over 13 days. Additionally, June tends to be more humid, reaching 86% compared to October's 78%. For a more detailed look at June's weather patterns, you can explore Koshima weather in June.
October and July showcase distinct weather patterns in terms of temperature and precipitation. In October, temperatures range from a minimum of 18°C (65°F) to a maximum of 27°C (81°F), with an average of 24°C (75°F). The month experiences significant rainfall, totaling 164 mm (6.4 in) over 13 days, accompanied by a humidity level of 78%. In contrast, July is warmer, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 30°C (86°F), averaging 27°C (81°F). However, it is also wetter, with 281 mm (11.0 in) of rain over 17 days and higher humidity at 90%. For more details on July's weather in Koshima, you can visit Koshima weather in July.
Comparing October and August weather highlights some notable differences. In October, temperatures are cooler with a minimum of 18°C (65°F), averaging 24°C (75°F) and peaking at 27°C (81°F). The month also experiences significant rainfall, totaling 164 mm (6.4 in) over about 13 days, with humidity levels around 78%. In contrast, August is warmer, with minimum temperatures starting at 24°C (76°F), an average of 28°C (82°F), and a maximum of 30°C (86°F). It sees even more rain, accumulating 214 mm (8.4 in) over 16 days and higher humidity at 85%. For more detailed information, you can refer to Koshima weather in August.
October's weather shows a slight cooling trend compared to September. While October's average temperature hovers around 24°C (75°F), September is warmer with an average of 27°C (80°F). Both months experience high humidity levels, with October slightly lower at 78% compared to September’s 80%. Rainfall also decreases in October, with 164 mm (6.4 in) spread over 13 days, in contrast to September’s 256 mm (10.1 in) over 20 days. For more detailed insights, you can check out Koshima weather in September.
In October, the weather is generally warmer, with average temperatures around 24°C (75°F) and maximums reaching 27°C (81°F), contrasted with November's slightly cooler temperatures, which range from a minimum of 13°C (56°F) to a maximum of 25°C (78°F) and an average of 20°C (68°F). Both months experience comparable precipitation, with October receiving 164 mm (6.4 in) and November slightly less at 150 mm (5.9 in), both spread over approximately 13 days. Humidity levels also remain high in both months, at 78% in October and 76% in November, creating a generally humid atmosphere. For more information, you can check Koshima weather in November.
In comparing the weather between October and December, October is noticeably warmer, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 27°C (81°F), while December sees cooler temperatures, with a minimum of 8°C (46°F) and an average of 16°C (61°F). Although October has higher precipitation levels at 164 mm (6.4 in) over 13 days, December also experiences considerable rainfall, with 132 mm (5.2 in) over 14 days, albeit with slightly lower humidity at 74%. For more detailed information, you can check Koshima weather in December.
As October unfolds in Koshima, the weather presents a notable shift from the summer heat, embracing a more mild climate with temperatures averaging around 24°C (75°F). The oppressive humidity of previous months begins to ease, though the month does see its share of rain, accumulating about 164 mm over 13 days. This transition into autumn invites a refreshing change, where the air feels crisper, and the scenery transforms with vibrant fall colors. For more details on what to expect throughout the year, visit Koshima Climate.