Last updated: August 21, 2025
In October, Nagasaki experiences a delightful transition into autumn, characterized by a maximum temperature of 28°C (83°F) and a comfortable average of 20°C (69°F). As the month progresses, temperatures dip to a refreshing minimum of 14°C (57°F). Visitors should prepare for a moderately rainy spell, with 117 mm (4.6 inches) of precipitation spread over 8 days, creating a humid atmosphere at around 79%. This blend of warm days and cool evenings makes October a captivating time to explore the scenic beauty and cultural richness of Nagasaki.
In October, Nagasaki experiences a delightful transition into autumn, with temperatures ranging from a mild 14°C (57°F) at night to a pleasant 28°C (83°F) during the day, averaging around 20°C (69°F). This month marks a significant drop from the sweltering heat of summer, as daily highs begin to cool off while still offering comfortable warmth. With the city shedding the high humidity of previous months, October presents a perfect opportunity for outdoor exploration. As autumn foliage begins to paint the surroundings, the city's charm is accentuated by its temperate climate, making it an ideal time for visitors to enjoy the scenic beauty and vibrant cultural festivals that characterize Nagasaki in this season.
In October, Nagasaki experiences a notable reduction in precipitation compared to the summer months, with 117 mm (4.6 in) of rain accumulated over just 8 days. This marks a significant decline from the torrential July and August rains, where the city often sees over 400 mm of precipitation. As autumn settles in, the weather becomes more temperate, providing a refreshing break from the oppressive summer humidity. Moreover, October's rainfall is part of a gradual decrease that continues into the drier winter months, as November and December follow with even lower totals of 81 mm and 92 mm, respectively. This trend highlights a shift from the heavy downpours of previous months to a more manageable and pleasant autumn climate, making it an ideal time for outdoor activities in and around Nagasaki.
October in Nagasaki heralds a transition as the humidity levels begin to moderate from the sweltering summer months. With an average humidity of 79%, it marks a noticeable decline from the peak of 97% in July, providing a more comfortable atmosphere for residents and visitors alike. This change follows a steady decrease from September's 84%, reflecting the region's gradual shift into autumn. While October still retains a healthy level of moisture in the air, it also signals a preparation for the cooler, drier months ahead, as the humidity transitions from the oppressive summer highs towards the milder conditions of November's 75%. In summary, October serves as a bridge, allowing Nagasaki to ease into the refreshing ambiance of fall.
In October, the UV Index in Nagasaki dips to an index of 8, signaling a very high level of solar radiation. This means a burn time of approximately 15 minutes for unprotected skin. As the year progresses, there is a noticeable trend in the UV Index: the early months of the year typically see moderate to high levels, but as spring arrives, values soar to extreme levels from April through September, peaking at 12 in both July and August. Thankfully, October offers a reprieve, yet it's essential to remain vigilant, as the risks of overexposure continue. For more detailed insights on UV safety and trends in Nagasaki, visit Nagasaki UV Index.
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October in Nagasaki offers a comforting embrace of 260 hours of sunshine, harmonizing seamlessly with the city's overall climatic rhythm. As the autumn leaves begin to turn, this month reflects a subtle dip from the sun-soaked heights of August, which boasts an impressive 302 hours. September, too, maintains a generous light, contributing 261 hours. This gradual shift signifies a transition, yet the sun still graces the city abundantly. Looking ahead, November will usher in 233 hours of daylight, ensuring that the golden hues of October linger in the memories of residents and visitors alike, creating a picturesque backdrop for the vibrant fall scenery that Nagasaki is known for.
In October, Nagasaki, Japan, enjoys a significant boost in sunshine likelihood, with a 65% chance of clear skies. This marks a remarkable contrast to the summer months, where sunshine is scarce, dipping to just 20% in July. The trend shows that as the year progresses into autumn, the chances of sunny days rebound—October emerges as a bright beacon after a series of cloudier months. Following October, the likelihood of sunny weather remains moderate, with November at 50%. Thus, if you're planning a visit in October, expect delightful sunny days that are perfect for exploring this beautiful city's rich culture and stunning landscapes.
In October, Nagasaki begins to transition from the long, sun-drenched days of summer to the cooler months ahead, with daylight lasting approximately 11 hours. This decline from the summer peak of 14 hours in June and July marks the onset of shorter days as autumn settles in. Interestingly, October's daylight aligns closely with the early months of the year, signaling a gradual reduction in warmth and brightness that culminates in the colder November and December months, both with just 10 hours of daylight. As the seasons change, residents may find themselves embracing the softer, golden light of autumn, a perfect backdrop for the scenic beauty of Nagasaki.
As October brings a gentle shift in Nagasaki, the average wind speed settles at 3.7 m/s (8 mph), reflecting a subtle decrease from the bustling summer months. This lower wind velocity, compared to the more dynamic spring and summer, hints at a transition into the calmness of autumn. Interestingly, October's breeze is not far from its monthly predecessors, with September recording 3.6 m/s and a noticeable dip in earlier months like June, where the winds were softest at 2.7 m/s. Following October, November revives a stronger current at 4.5 m/s (10 mph), suggesting that while this month offers a tranquil atmosphere, a brisker pace is just around the corner as winter approaches. This gentle October wind invites locals and visitors alike to savor the mild autumn days in Nagasaki.
Weather in Nagasaki varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Nagasaki, focusing on differences in temperature, rainfall, humidity, and UV levels.
October weather is generally warmer and more humid compared to January. With average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 28°C (83°F), October enjoys a pleasant climate, albeit with higher rainfall at 117 mm (4.6 in) over approximately 8 days. In contrast, January experiences much cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 18°C (65°F). Precipitation is also lower in January, totaling 61 mm (2.4 in) over the same number of days, coupled with slightly lower humidity at 73%. For more details on January weather conditions, you can check Nagasaki weather in January.
In comparing the weather between October and February, one can observe a significant contrast in temperatures and humidity levels. October enjoys milder conditions, with average temperatures ranging from a pleasant 20°C (69°F) to a maximum of 28°C (83°F), while February is much cooler with average temperatures hovering around 9°C (48°F) and reaching a maximum of only 17°C (63°F). Additionally, October experiences higher humidity at 79%, contributing to a more tropical feel, compared to February's 69% humidity, which feels considerably crisper. Both months see notable precipitation, but October has slightly more at 117 mm (4.6 in) over 8 days compared to February's 106 mm (4.2 in) over 10 days. For more details, check out Nagasaki weather in February.
In comparing the weather of October and March, October presents a warmer climate with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 28°C (83°F), while March sees cooler temperatures, starting at a low of 5°C (41°F) and reaching up to 20°C (68°F). October has an average temperature of 20°C (69°F) and experiences about 117 mm (4.6 in) of precipitation over 8 days, resulting in a relatively high humidity of 79%. In contrast, March is slightly wetter, with 157 mm (6.2 in) of rainfall across 12 days, but the overall humidity is lower at 71%. For more detailed insights into March weather specifically in Nagasaki, you can explore Nagasaki weather in March.
In comparing the weather between October and April, October tends to be warmer overall, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 28°C (83°F), while April sees cooler temperatures, with a minimum of 7°C (46°F) and a maximum of 23°C (73°F). Both months experience significant rainfall, but October typically receives 117 mm (4.6 in) over 8 days, whereas April has slightly more precipitation, totaling 143 mm (5.6 in) across 9 days. Interestingly, both months maintain a consistent humidity level of 79%, making them feel similarly humid despite the temperature differences. For more detailed insights, you can explore Nagasaki weather in April.
October and May present distinct weather characteristics, highlighting the transition between seasons. In October, temperatures range from a minimum of 14°C (57°F) to a pleasant maximum of 28°C (83°F), with an average of 20°C (69°F). The month experiences about 117 mm (4.6 in) of rainfall over approximately 8 days, with humidity levels around 79%. In contrast, May has slightly cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 25°C (77°F), resulting in an average of 19°C (67°F). However, it sees a higher precipitation level of 229 mm (9.0 in) across 11 days and increased humidity at 87%. For a detailed look at the May weather in this region, check Nagasaki weather in May.
In comparing the weather of October and June, we observe notable differences in temperature and precipitation. October typically enjoys a milder climate with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 28°C (83°F), averaging around 20°C (69°F). In contrast, June presents warmer conditions, featuring a minimum of 18°C (64°F) and a maximum of 27°C (81°F), with an average of 22°C (73°F). Precipitation levels also vary significantly; October experiences 117 mm (4.6 in) of rain over about 8 days, whereas June sees a much higher 272 mm (10.7 in) across approximately 14 days. Additionally, humidity levels are generally higher in June at 91%, compared to October's 79%. For a detailed look at June weather specifically, you can check Nagasaki weather in June.
In comparing the weather of October and July, October presents a more moderate climate characterized by a temperature range from a minimum of 14°C (57°F) to a maximum of 28°C (83°F), with an average temperature of 20°C (69°F). In contrast, July is significantly warmer, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 32°C (89°F), averaging 26°C (79°F). Additionally, October experiences less precipitation (117 mm) over fewer days (8 days) than July, which records substantial rainfall at 442 mm over 18 days. The humidity is also markedly higher in July at 97% compared to October's 79%. For a detailed look at July weather in Nagasaki, visit Nagasaki weather in July.
October and August present contrasting weather conditions. In October, temperatures are milder, with minimums around 14°C (57°F) and averages of 20°C (69°F), while August boasts higher temperatures, ranging from a minimum of 21°C (69°F) to an average of 28°C (82°F) and peaks at 33°C (93°F). August is also significantly wetter, experiencing 326 mm (12.8 in) of rainfall over 14 days, compared to October's 117 mm (4.6 in) over 8 days. Additionally, August has higher humidity levels at 94%, whereas October's humidity averages 79%. For more details, you can check out Nagasaki weather in August.
In comparing the weather between September and October, October tends to be cooler with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 28°C (83°F), while September features higher averages with lows of 19°C (66°F) and highs reaching up to 32°C (90°F). Additionally, October experiences more rainfall compared to September, though it has fewer rainy days—117 mm (4.6 in) over 8 days in October versus 225 mm (8.9 in) over 14 days in September. Humidity levels remain relatively high in both months, with October at 79% and September slightly higher at 84%. For more detailed information, you can check Nagasaki weather in September.
October and November present a notable shift in weather conditions. October typically enjoys warmer temperatures, with a minimum of 14°C (57°F) and an average high of 28°C (83°F), while November sees temperatures drop, with a minimum of 8°C (46°F) and an average high of 23°C (74°F). Precipitation also decreases slightly in November, with 81 mm (3.2 in) over nine days compared to October's 117 mm (4.6 in) over eight days. Additionally, humidity remains relatively high in both months, though it is marginally lower in November at 75% compared to October's 79%. For those interested in more details, you can check out Nagasaki weather in November.
October weather is characterized by warmer temperatures, with a minimum of 14°C (57°F) and an average of 20°C (69°F), reaching a maximum of 28°C (83°F). It is relatively humid at 79% and sees about 117 mm (4.6 inches) of precipitation over 8 days. In contrast, December brings much cooler conditions, with a minimum of 2°C (36°F), an average of 10°C (51°F), and a maximum of 22°C (71°F). The month experiences less precipitation at 92 mm (3.6 inches) over the same number of rainy days but has lower humidity at 72%. For more details on December weather in Nagasaki, check out Nagasaki weather in December.
October in Nagasaki ushers in a delightful transition from the heat of summer to the mildness of autumn. The pleasant average temperature offers a comfortable escape, while the humidity begins to ease, making outdoor exploration enjoyable. Though October sees occasional rainfall, with about eight days of precipitation throughout the month, these refreshing showers contribute to the vibrant autumn foliage that characterizes this time of year. With a maximum of 28°C and a minimum of 14°C, October stands out as a month where one can comfortably experience the rich cultural offerings of the city. For more insights into Nagasaki's climate, check out the detailed information available at Nagasaki Climate.