Last updated: August 21, 2025
October in Miyajima, Japan presents a delightful transition into the cooler months, with temperatures ranging from a refreshing 8°C (46°F) at night to a maximum of 29°C (85°F) during the day. The average temperature settles around 19°C (66°F), making it an ideal time for outdoor exploration. However, travelers should prepare for 172 mm (6.8 in) of rain over 10 days, contributing to a humidity level of 79%. This mix of mild weather and moisture creates a vibrant atmospheric backdrop for the island's breathtaking scenery and cultural experiences.
In October, Miyajima enjoys a delightful transition into autumn, characterized by mild temperatures that invite outdoor exploration. The month begins with a minimum of 8°C (46°F), showcasing a noticeable warmth compared to the chilling winter months, while the average temperature rises to a comfortable 19°C (66°F). As daytime peaks can reach a pleasant 29°C (85°F), the island is perfect for hiking its scenic trails or visiting the iconic Itsukushima Shrine against a backdrop of stunning fall foliage. This balance of cool evenings and warm afternoons makes October an ideal time to experience all that Miyajima has to offer before the temperatures dip further into the winter months.
In October, Miyajima experiences a moderate precipitation level of 172 mm (6.8 in), making it one of the rainier months, although it pales in comparison to the torrential downpours of July, which sees an impressive 386 mm. With rainfall occurring on an average of 10 days, October strikes a balance between the heavy rains of summer and the drier days that follow in November, which only receives 37 mm of rain. This transitional month serves as a bridge, where the vibrant fall foliage begins to emerge amidst the lingering humidity, highlighting the natural beauty of this serene island. As temperatures cool, October's rain nourishes the landscape, marking the end of the wet season while hinting at the quieter months ahead.
In October, Miyajima, Japan experiences a humidity level of 79%, marking a notable decline from the peak summer months, where humidity soars to nearly 95% in July. This gradual decrease reflects a seasonal transition, as the air becomes less oppressive following the sweltering heat of summer. The drop in humidity continues the trend seen from the previous month, September's 84% humidity, signaling the onset of cooler autumn weather. While more humid than the winter months ahead, October provides a refreshing reprieve, making it an ideal time to explore the island’s stunning landscapes and cultural heritage.
As October arrives in Miyajima, Japan, the UV Index begins to taper off from the extreme highs of summer months, providing a slight respite for sun seekers. With a UV Index of 7 and an exposure category classified as high, visitors can still bask in the autumn sun, but should be mindful of a burn time of only 25 minutes. This drop reflects a general trend of decreasing UV exposure as the year progresses, transitioning from the intense levels seen in July and August. As October approaches, the days grow shorter, and while the UV rays remain potent, they encourage a more measured approach to sun safety. For updated details on UV levels throughout the year, check out Miyajima UV Index.
UV Risk Categories
As October settles in, Miyajima, Japan, basks in a delightful 254 hours of sunshine, marking a gentle transition from the peak brightness of summer. Following August's high of 308 hours, the days begin to shorten, yet October maintains a generous glow that is perfect for exploring the island’s stunning landscapes and historic shrines. This month continues a trend of steady daylight, with hours gradually decreasing from the sun-drenched summer months, yet still outshining the earlier part of the year. With its temperate weather and vibrant autumn foliage, October offers an enchanting backdrop for visitors, proving that the beauty of Miyajima shines bright even as the year edges toward winter.
As October rolls into Miyajima, a noticeable shift in weather patterns emerges, boasting a 59% chance of sunny days. This marks a significant increase compared to the more overcast summer months, where the chances plummet to the low twenties. The trend suggests that autumn heralds brighter skies, as October stands out with one of the highest probabilities of sunshine, easily outperforming the previous months. After the rainy season fades, visitors can anticipate clearer days filled with warm autumn hues, making it an ideal time to explore the island’s natural beauty and cultural treasures.
As October arrives in Miyajima, Japan, the daylight gradually wanes, offering about 11 hours of sunlight—just a notch down from the sun-drenched summer months. This subtle decrease marks a transition from the vibrant 14 hours of daylight experienced in June and July, leading into the cooler autumn months. The lingering warmth of early fall still bathes the island, yet it signals a move towards the shorter days of winter. With daylight hours gently decreasing, October captures a beautiful balance—allowing for ample time to explore Miyajima's stunning landscapes while embracing the calm that autumn brings.
As October arrives in Miyajima, Japan, the winds begin to settle into a gentle rhythm, with average speeds around 2.3 m/s (5 mph). This marks a slight dip from the more energetic breezes of the earlier months, where June and July showcased the least wind activity, whispering at only 1.8 m/s (4 mph) and 2.0 m/s (5 mph), respectively. The transition into fall brings a sense of calm after the summer’s higher winds, and while October's breezes remain mild, they pave the way for slightly brisker conditions in November. This month’s winds reflect the island's tranquil beauty, inviting visitors to experience the serene atmosphere as the leaves begin to change.
Weather in Miyajima varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Miyajima, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present striking contrasts in weather conditions. October enjoys a mild climate with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 29°C (85°F), alongside significant precipitation of 172 mm (6.8 in) over approximately 10 days. This month often feels humid, with an average humidity of 79%. In contrast, January ushers in colder temperatures, with averages dropping to a minimum of -4°C (25°F) and a maximum of 15°C (59°F). Precipitation also decreases significantly to 49 mm (1.9 in) over just 6 days, accompanied by a slightly lower humidity of 76%. For a more detailed look at the climate, you can check the link here: Miyajima weather in January.
October and February present stark contrasts in weather patterns. In October, temperatures range from a mild 8°C (46°F) to a warm 29°C (85°F), making it feel much more like early fall with an average of 19°C (66°F). The month is also characterized by higher humidity at 79% and significant precipitation, totaling 172 mm (6.8 inches) over about 10 days. In contrast, February experiences much colder conditions, with temperatures dipping as low as -4°C (26°F) and averaging around 6°C (43°F). While February does see some warmth, topping out at 20°C (68°F), it has a significantly lower precipitation level of 69 mm (2.7 inches) spread across about 7 days, and a slightly lower humidity at 72%. For a detailed look at February weather in Japan, check out Miyajima weather in February.
When comparing the weather in October and March, we can see notable differences in both temperature and humidity. October features a significantly warmer climate, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 29°C (85°F), while March has cooler temperatures, with minimums of 1°C (33°F) and maximums reaching 22°C (71°F). Additionally, October experiences higher humidity levels at 79%, compared to March’s 69%. Precipitation is also slightly more pronounced in October, with 172 mm (6.8 in) over 10 days, whereas March sees 125 mm (4.9 in) over the same duration. For those interested in experiencing the weather during this time, you can find more information here: Miyajima weather in March.
When comparing the weather in October and April, notable differences emerge in temperature and precipitation patterns. October boasts a wider temperature range, with minimums around 8°C (46°F) and maximums reaching up to 29°C (85°F), resulting in a warm average of 19°C (66°F). In contrast, April's temperatures are cooler, with minimums around 2°C (36°F) and maximums peaking at 24°C (76°F), leading to a lower average temperature of 14°C (58°F). Both months experience a similar amount of rainfall, with October receiving 172 mm (6.8 in) over 10 days and April receiving slightly less at 137 mm (5.4 in) over 9 days. Humidity levels are relatively close, with October at 79% and April at 75%. For more specific insights into April weather, you can refer to Miyajima weather in April.
When comparing the weather in October and May, both months boast similar average temperatures around 19°C (66°F), but October experiences a slightly wider range, with maximum temperatures reaching 29°C (85°F). In terms of precipitation, October is wetter, receiving about 172 mm (6.8 in) over ten days, compared to May's 136 mm (5.4 in) across nine days. Additionally, October's humidity sits at 79%, just a tad lower than May's average of 84%. For more detailed insights into May weather, you can check Miyajima weather in May.
In comparing the weather between October and June, October exhibits slightly cooler temperatures with minimums around 8°C (46°F) and averages of 19°C (66°F), whereas June starts off warmer with minimums of 14°C (57°F) and averages of 22°C (72°F). Both months share a maximum temperature of 29°C (85°F), but June tends to be more humid, with humidity levels at 88% compared to October's 79%. Precipitation is relatively similar; October sees about 172 mm (6.8 in) over 10 days while June experiences a bit more, at 181 mm (7.1 in) over 14 days. For more detailed insights into June weather, refer to Miyajima weather in June.
When comparing the weather in October and July, October presents a more moderate climate with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 29°C (85°F), averaging around 19°C (66°F). In contrast, July is significantly warmer, with temperatures typically fluctuating between 18°C (65°F) and 35°C (95°F), resulting in an average of 26°C (79°F). Additionally, October experiences 172 mm (6.8 in) of precipitation over about 10 days, while July sees nearly double the rainfall at 386 mm (15.2 in) over 19 days, leading to higher humidity levels of 95% in July compared to 79% in October. For more details on July's climate, you can check out Miyajima weather in July.
In comparing the weather of October and August, a stark contrast emerges in temperature and precipitation. October experiences cooler temperatures, with a minimum of 8°C and a comfortable average of 19°C, while August boasts warmer conditions, with minimum temperatures around 20°C and an average of 28°C. Precipitation is more frequent in August, totaling 256 mm over 14 days, compared to October's 172 mm over 10 days. Additionally, humidity levels are higher in August at 93%, compared to 79% in October, making August feel more oppressive. For a more detailed look at August weather, you can refer to the following link: Miyajima weather in August.
In comparing the weather of October and September, October presents a cooler climate with average temperatures ranging from 8°C (46°F) to 29°C (85°F), significantly lower than September's warmer temperatures of 15°C (60°F) to 33°C (92°F). Additionally, October experiences less precipitation, totaling 172 mm (6.8 in) over 10 days, compared to September’s 237 mm (9.3 in) over 14 days. Humidity also slightly decreases in October, averaging 79%, while September holds a higher humidity level of 84%. For more details about September's weather, you can check Miyajima weather in September.
In comparing the weather between October and November, October boasts a wider temperature range, with minimums of 8°C (46°F) and maximums reaching up to 29°C (85°F), leading to an average temperature of 19°C (66°F). This month also experiences significant rainfall, with 172 mm (6.8 in) over 10 days, contributing to a higher humidity level of 79%. In contrast, November sees cooler temperatures, with averages dropping to 13°C (55°F) and lows falling to 2°C (36°F). Rainfall diminishes significantly to just 37 mm (1.5 in) over 5 days, resulting in a slightly lower humidity of 76%. For more detailed insights about November weather in this region, visit Miyajima weather in November.
October and December present a striking contrast in weather. In October, temperatures range from a minimum of 8°C (46°F) to a warm average of 19°C (66°F), peaking at 29°C (85°F). This month also sees significant rainfall, with 172 mm (6.8 in) of precipitation across about 10 days, coupled with relatively high humidity at 79%. In contrast, December experiences much cooler conditions, with minimum temperatures dropping to -1°C (31°F) and an average of 7°C (46°F). The maximum temperature reaches only 20°C (69°F), and precipitation decreases to 61 mm (2.4 in) over just 6 days, indicating a drier month with slightly lower humidity at 75%. For those interested in the specifics of December weather, you can visit Miyajima weather in December.
As October unfolds in Miyajima, the weather showcases a delightful transition from the warmth of summer to the cool embrace of autumn. With temperatures averaging a comfortable 19°C (66°F), it strikes a pleasant balance between day and night, making it ideal for outdoor explorations. However, this month is also characterized by an increase in precipitation, averaging 172 mm (6.8 in) across about 10 days, reflecting a shift towards the wetter season. Humidity remains high at 79%, adding a gentle warmth to the crisp air. This atmospheric change makes October distinct, offering both stunning fall foliage and the occasional rainy day. For a deeper understanding of how this month compares to others throughout the year, check out Miyajima Climate.