Last updated: August 21, 2025
In Yonakuni, Japan, October brings a blend of warm temperatures and significant rainfall, making it a month of transition. The maximum temperature reaches a comfortable 29°C (85°F), while the average settles at a pleasant 26°C (79°F). Nighttime offers a mild respite with lows around 21°C (71°F). However, locals and visitors should prepare for rainy days, as the island experiences 188 mm (7.4 in) of precipitation across approximately 18 days, accompanied by high humidity levels averaging 81%. This mix of warmth and moisture contributes to the lush, vibrant landscapes that characterize Yonakuni in October.
In October, Yonakuni, Japan, experiences a delightful transition into autumn, with temperatures that reflect a gentle warm embrace. The month begins with minimums around 21°C (71°F) and rises to average highs of 26°C (79°F), making it a comfortable time for outdoor activities. As the month progresses, you can expect maximum temperatures reaching up to 29°C (85°F), indicative of lingering warmth from the summer months. This gradual cooling trend sets the stage for November's even milder conditions, while maintaining a cozy atmosphere perfect for exploring nature’s changing palette. Overall, October serves as a charming bridge, blending summer warmth and the crisp allure of fall in Yonakuni.
In October, Yonakuni experiences a moderate precipitation level of 188 mm (7.4 in) over 18 days, contributing to the transition into a wetter season. This month marks a slight decrease from the 221 mm (8.7 in) recorded in August but still remains above September's 160 mm (6.3 in). The consistent rainfall throughout the autumn months suggests a reliable pattern, with precipitation levels gradually increasing as the year approaches its end, peaking in December at 237 mm (9.3 in). This ongoing trend highlights the significant role of October as a bridge between the humidty of summer and the heftier downpours of winter, making it a crucial time for the region's ecology and agriculture.
In Yonakuni, Japan, October sees a humidity level of 81%, which is a slight decline from the peak moisture levels recorded over the summer months. This month, while still reflecting the relatively high humidity typical of the region, marks the beginning of a gradual decrease that will continue into the cooler months. With June through August maintaining a consistent 84%, October's figures signal a transition as the weather cools, following a pattern where humidity peaks in late spring and summer. The overall trend reveals that Yonakuni experiences a relatively stable humidity range throughout the year, with levels hovering mostly in the low to mid-80s during the warmer months and gently tapering off as autumn sets in, ensuring a comfortable yet slightly moist climate as the year winds down.
In October, Yonakuni, Japan, experiences a UV Index of 10, signaling a very high exposure category with a burn time of just 15 minutes. This slight decline from the peak values of January to September, where extreme UV ratings dominated, shows a gradual easing as the year progresses into fall. Notably, the UV Index reaches its highest recorded values at 12 and 13 during the peak summer months, emphasizing the potential for skin damage during those periods. As temperatures drop towards November, the UV exposure remains significant at 9, reminding residents and visitors alike to remain vigilant about sun protection year-round. For a detailed overview of UV levels throughout the year, check out the comprehensive guide at Yonakuni UV Index.
UV Risk Categories
In October, Yonakuni basks in a delightful 259 hours of sunshine, marking a transition as the year begins to cool. Following the sun-drenched summer months, where July peaks at a vibrant 339 hours, and August enjoys a robust 320 hours, October sees a gentle dip in daylight hours. This decrease is part of a broader trend as the island shifts towards winter, with November offering only 207 hours of sunshine. Nevertheless, October retains a pleasant glow, providing locals and visitors alike with a stunning backdrop of autumn colors and clarity before the chill sets in. As daylight shortens gradually, the lingering warmth of summer continues to inspire the vivid landscapes of Yonakuni, creating a serene atmosphere perfect for exploration.
In October, residents and visitors of Yonakuni, Japan can look forward to a 34% chance of sunny weather, a transition that reflects the cooling shift from the summer months. While this percentage is slighty lower than the peak sunny days observed in September at 63%, it still provides a reasonably optimistic outlook compared to the earlier summer months, such as June with just 12%. The gradual decline in sunshine from the vibrant late summer to the more muted fall suggests that October is a delightful time to enjoy the lingering warmth of the sun amidst the turning leaves, promising a balance of comfortable, sunny days mixed with the gentle onset of autumnal weather.
As October unfolds in Yonakuni, Japan, the island experiences a gentle transition in daylight with 11 hours of sun—a slight decrease from the longer summer days. Notably, the duration of daylight peaks in May through July, where residents enjoy a bountiful 13 hours of sunlight, providing ample time to bask in nature's beauty. As the year progresses towards winter, both September and October witness a moderate decline, returning to 12 hours in September, followed by the current October length. This trend hints at the island's gradual shift into the shorter, cozier days of autumn, ultimately landing at 10 hours of daylight by November. Enthusiasts of the changing seasons can relish the lingering warmth of early October before shorter daylight hours take hold in the coming months.
As October arrives in Yonakuni, Japan, residents experience a notable shift in the winds, with average speeds reaching 7.3 m/s (16 mph)—marking an increase from the gentle breezes of summer. This seasonal uptick suggests a transition as the island prepares for the cooler months ahead. Interestingly, winds tend to gain strength as autumn progresses, evidenced by November's even brisker average of 7.5 m/s (17 mph), before culminating in December's robust 8.4 m/s (19 mph). This trend highlights the island's dynamic weather patterns, creating a refreshing atmosphere perfect for enjoying the vibrant fall landscape while hinting at the gustier conditions to come.
Weather in Yonakuni varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Yonakuni, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present contrasting weather patterns. October features warmer temperatures, with a minimum of 21°C (71°F) and averaging around 26°C (79°F), while January is cooler, with temperatures dipping to a minimum of 12°C (53°F) and averaging 20°C (68°F). Precipitation is more abundant in October, totaling 188 mm (7.4 in) over 18 days, compared to January's 133 mm (5.2 in) during the same number of days. Additionally, October's humidity is slightly higher at 81%, while January maintains a more comfortable 76%. For those looking to explore Yonakuni during the cooler months, you can find more information here: Yonakuni weather in January.
In October, temperatures are warmer with a minimum of 21°C (71°F) and an average of 26°C (79°F), peaking at 29°C (85°F). The month experiences substantial rainfall, totaling 188 mm (7.4 in) over approximately 18 days and features a high humidity level of 81%. In contrast, February brings cooler temperatures, with a minimum of 13°C (55°F), an average of 20°C (69°F), and a maximum of 25°C (77°F). While February sees less precipitation at 141 mm (5.5 in) over the same number of days, it also has a lower humidity level of 74%. For more detailed information, you can explore Yonakuni weather in February.
In comparing the weather between October and March, October tends to be slightly warmer, with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 29°C (85°F), while March experiences lower averages, peaking at 26°C (80°F). Both months have significant precipitation, with October receiving 188 mm (7.4 in) over 18 days and March slightly higher at 195 mm (7.7 in) across 19 days. Humidity levels are comparable, with October at 81% and March at 79%, indicating a consistently humid climate throughout the seasons. For a more detailed look at March weather, you can visit Yonakuni weather in March.
In comparing the weather of October and April, we see some notable differences and similarities. October tends to be slightly warmer, with average temperatures reaching 26°C (79°F), compared to April's average of 23°C (74°F). Furthermore, October experiences higher maximum temperatures, peaking at 29°C (85°F), while April's maximum is 28°C (83°F). However, both months have comparable levels of precipitation, with October receiving 188 mm (7.4 in) over 18 days, and April slightly less at 179 mm (7.0 in) over 16 days. Humidity levels are also quite similar, with October at 81% and April at 82%. For more details on April weather, you can visit Yonakuni weather in April.
In both October and May, temperatures remain quite consistent, with minimums around 21°C (70-71°F) and averages hitting 26°C (79°F), while maximum temperatures can reach up to 29°C (85°F). However, October experiences slightly more precipitation, totaling 188 mm (7.4 in) over 18 days, compared to May's 180 mm (7.1 in) over just 16 days. Humidity is also a bit higher in October at 81%, while May has a humidity level of 84%. For more detailed insights on May weather, you can visit Yonakuni weather in May.
In comparing the weather of October and June, October experiences slightly cooler temperatures, with a minimum of 21°C (71°F) and an average of 26°C (79°F), while June's temperatures are warmer, featuring a minimum of 25°C (77°F) and an average of 28°C (83°F). Both months see a fair amount of rainfall, with October receiving 188 mm (7.4 in) over 18 days, compared to June's 215 mm (8.5 in) spread across 19 days. Humidity is relatively high in both months, with October at 81% and June at 84%, making each month feel quite humid. For a more detailed look at June weather in Yonakuni, you can check Yonakuni weather in June.
In July, the weather tends to be slightly hotter, with average temperatures around 29°C (84°F) and daytime highs reaching 30°C (87°F). The humidity levels are notable at 84%, making it feel quite warm, and there is a slight decrease in precipitation compared to October, totaling 193 mm over 16 days. Conversely, October features milder temperatures with an average of 26°C (79°F) and daily highs peaking at 29°C (85°F). Although the temperature is lower, October experiences more rainfall, totaling 188 mm over 18 days, accompanied by a humidity level of 81%. For more details on July weather in Yonakuni, check out this link: Yonakuni weather in July.
In October, the weather in Yonakuni sees a slight decrease in temperatures, with a minimum of 21°C (71°F) and an average of 26°C (79°F), compared to warmer August temperatures, where the minimum is 26°C (79°F) and the average is 29°C (84°F). While October experiences less total precipitation at 188 mm (7.4 in) over 18 days, August has higher rainfall at 221 mm (8.7 in) over 19 days, making it slightly more humid with 83% compared to October's 81%. For a more detailed look at the August weather, you can refer to Yonakuni weather in August.
In comparing the weather between September and October, October tends to be slightly cooler with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 29°C (85°F), compared to September's warmer range of 25°C (77°F) to 30°C (87°F). Both months experience significant precipitation, but October receives more, totaling 188 mm (7.4 in) over 18 rainy days, compared to September's 160 mm (6.3 in) over 16 days. Humidity levels are relatively similar, with October at 81% and September at 82%. For more details on September's weather, you can refer to Yonakuni weather in September.
October and November present quite a transition in weather patterns. In October, temperatures are slightly warmer, with averages around 26°C (79°F) and maximums reaching 29°C (85°F), while November sees a decrease in the average and maximum temperatures to 24°C (76°F) and 27°C (81°F) respectively. Both months experience significant rainfall, but November is slightly wetter, totaling 195 mm (7.7 in) over 23 days compared to October's 188 mm (7.4 in) over 18 days. Humidity levels are fairly consistent, with October at 81% and November at 80%. For a detailed look at November weather, check out Yonakuni weather in November.
October and December exhibit distinct weather patterns, reflecting the transition from warm to cooler conditions. In October, the temperatures range from a minimum of 21°C (71°F) to a maximum of 29°C (85°F), with an average of 26°C (79°F). The month experiences considerable rainfall, with 188 mm (7.4 in) of precipitation spread over 18 days and high humidity levels of 81%. In contrast, December features cooler temperatures, with a minimum of 13°C (56°F) and a maximum of 26°C (78°F), averaging 21°C (71°F). Rainfall increases to 237 mm (9.3 in), occurring over 24 days, and humidity remains slightly lower at 78%. For a more detailed look at December conditions, check out Yonakuni weather in December.
In October, Yonakuni experiences a shift from the warmth of summer, offering a delightful blend of comfortable temperatures and increased humidity. With an average temperature around 26°C (79°F), the weather feels pleasantly warm, making it ideal for outdoor activities. However, be prepared for occasional rain, as precipitation increases during this month with about 18 days of showers, totaling 188 mm (7.4 in). This month stands out with its higher humidity levels, contributing to a lush, tropical atmosphere that distinguishes October from the drier months of summer and the cooler transition to winter. For those considering a visit, understanding the October climate is crucial for an enjoyable experience, and you can learn more about it by visiting Yonakuni Climate.