Last updated: August 21, 2025
October in Sasebo, Japan offers a delightful yet variable climate, with temperatures reaching a maximum of 31°C (88°F). The month averages a comfortable 20°C (68°F), while nighttime can cool down to a refreshing 11°C (51°F). Visitors can expect some rainfall, with a total precipitation of 109 mm (4.3 in) spread over approximately 9 days, contributing to a humid atmosphere at around 79%. This combination of warmth and moisture creates a vibrant backdrop for exploring the natural and cultural gems of Sasebo.
In October, Sasebo experiences a delightful transition as the warm remnants of summer gracefully yield to the crispness of autumn. With minimum temperatures settling around 11°C (51°F) and an average of 20°C (68°F), the climate is refreshingly mild, ideal for outdoor activities. The maximum temperature can still soar to 31°C (88°F), hinting at lingering warmth, but this month importantly marks a noticeable cooling trend compared to the sweltering heights of summer. As the leaves begin to change and the air grows brisk, October in Sasebo provides a perfect backdrop for experiencing Japan's stunning fall scenery while enjoying pleasantly temperate weather.
In October, Sasebo experiences a notable shift in its precipitation patterns, with 109 mm (4.3 in) of rainfall spread across 9 days. This moderate level of rainfall follows the heavy downpours of summer, showcasing a decrease when compared to the preceding months of July and August, which recorded 361 mm (14.2 in) and 288 mm (11.3 in) respectively. October serves as a bridge between the humid summer and the drier autumn months, such as November and December, where precipitation drops significantly to 51 mm (2.0 in) and 74 mm (2.9 in). The consistent rainfall in early autumn nurtures the vibrant landscape, making it an ideal time for appreciating Sasebo's natural beauty before the wintry chill sets in.
As October arrives in Sasebo, Japan, the humidity starts to shift, settling at a comfortable 79%. This marks a notable decrease from the sweltering summer months, where humidity levels peaked at an astonishing 97% in July and remained high through August. Following this summer peak, September witnesses a slight drop to 84%, indicating the onset of autumn. The October levels mirror the transitional phase seen in earlier months like March and April, which had humidity percentages of 71% and 79%, respectively. This consistent decline in humidity reflects the gradual retreat of Japan’s humid summer climate, making October a refreshing period before the colder months lead to a further decrease in moisture levels.
As October arrives in Sasebo, Japan, the UV Index takes a noticeable dip to 7, categorizing it as high and allowing for a longer suggested burn time of 25 minutes. This month marks a shift from the extreme levels experienced during the peak summer months, where indices soared to 12, leading to a mere 10-minute burn time. The transition continues from the intense sun of July and August through September, where the index remained at 11. As the temperatures cool and days shorten, outdoor enthusiasts should still be mindful of sun exposure, particularly as we head into the colder months, where the UV Index gradually decreases further. For more details, check out the detailed breakdown at Sasebo UV Index.
UV Risk Categories
In October, Sasebo, Japan basks in a generous 258 hours of sunshine, consistent with the vibrant patterns of the previous months. Following the peak of 306 hours in August, the days gradually shorten, yet October remains bathed in a warm glow, echoing the sunny vibes of late summer. This transitional month signifies a shift towards autumn, where sunlight begins to mellow, aligning closely with the sunny disposition of September. The sunshine hours from October mirror the preceding month's, showcasing nature’s subtle rhythm as it prepares for the cooler, less illuminated months ahead. As the city bids farewell to the brilliance of summer days, the golden hues of fall will soon paint the landscapes, inviting both locals and visitors to embrace the seasonal change while still enjoying a respectable amount of sunlight.
In Sasebo, Japan, October stands out as a particularly sunny month, boasting a 62% chance of sunny weather—the highest likelihood of the year. As the autumn season settles in, it's a delightful contrast to the rainier summer months, where chances dip as low as 20% in July. The trend shows a gradual increase in sunshine from late summer into fall, with October presenting a vibrant window for outdoor activities and exploration of the picturesque landscapes. This shift from warmer, cloudier months to a brighter and more cheerful October makes it an ideal time for residents and visitors alike to enjoy the crisp, clear days before winter arrives.
As October arrives in Sasebo, Japan, daylight begins to gently recede, offering about 11 hours of light each day. This month marks a transition from the longer summer days of 14 hours in June and July to a more subdued duration, aligning with the rhythm of autumn. With daylight gradually decreasing since the peak of summer, October’s hours remind residents of the upcoming winter. The daylight trend reflects the beauty of seasonal change, as Sasebo's days shift from the vibrant 13 hours in May and August to a cozy 10 hours by November, inviting a time for warm gatherings and reflective evenings.
As October sweeps into Sasebo, Japan, the gentle breezes reflect the calming transition of the season, with average wind speeds settling at 2.9 m/s (7 mph). This marks a slight decrease from the late summer months, where winds were a bit more lively, averaging around 3.1 m/s (7 mph) in August and 3.0 m/s (7 mph) in September. The trend shows a gradual softening of the winds as autumn deepens, following a peak in spring when winds were more robust. This soothing October air not only invites cozy sweaters and warm drinks but also creates a perfect backdrop for outdoor activities, enhancing the beauty of the season as nature prepares for the upcoming chill of winter.
Weather in Sasebo varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Sasebo, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present contrasting weather experiences. In October, temperatures range from a mild 11°C (51°F) at night to a warm 31°C (88°F) during the day, with an average of 20°C (68°F). This month sees a fair amount of rainfall, with 109 mm (4.3 in) over about 9 days, and humidity levels are relatively high at 79%. In stark contrast, January experiences much colder temperatures, with a minimum of -2°C (29°F) and a maximum of 18°C (66°F), averaging just 8°C (46°F). Precipitation during January is less, at 57 mm (2.2 in) spread over 7 days, and the humidity is slightly lower at 73%. For a more detailed look at January conditions, you can visit Sasebo weather in January.
October and February present quite contrasting weather conditions. In October, temperatures range from a mild 11°C (51°F) at night to a warm 31°C (88°F) during the day, with an average of 20°C (68°F). This month is also characterized by higher humidity at 79% and more precipitation, averaging 109 mm (4.3 in) over 9 rainy days. In contrast, February experiences much cooler temperatures, with nighttime lows dropping to -1°C (30°F) and daytime highs reaching up to 21°C (70°F), resulting in an average of 8°C (47°F). Precipitation decreases to 79 mm (3.1 in) over the same number of rainy days, and humidity is slightly lower at 69%. For more information on February weather, you can check Sasebo weather in February.
October and March present distinct contrasts in weather conditions. October typically features warmer temperatures, with a minimum of 11°C (51°F) and a maximum of 31°C (88°F), making it more pleasant for outdoor activities. In contrast, March experiences cooler temperatures, ranging from a low of 2°C (37°F) to a high of 23°C (73°F). While both months see a fair amount of precipitation, October receives 109 mm (4.3 in) over 9 days, slightly less than March’s 132 mm (5.2 in) over 10 days. Humidity levels are also higher in October at 79% compared to March’s 71%. For a closer look at March weather, you can visit Sasebo weather in March.
When comparing the weather in October and April, both months exhibit similar humidity levels, sitting at 79%. However, October tends to be warmer, with average temperatures ranging from a minimum of 11°C (51°F) to a maximum of 31°C (88°F), compared to April's milder range of 6°C (42°F) to 27°C (82°F). Precipitation levels are quite comparable as well, with October receiving 109 mm (4.3 in) over 9 days and April seeing slightly more at 114 mm (4.5 in) across the same number of days. For a detailed look at April's weather, you can check out Sasebo weather in April.
In comparing October and May weather, both months feature an average temperature of 20°C (68°F), but their characteristics differ significantly. October experiences a warmer maximum temperature of 31°C (88°F), while May peaks at a more moderate 28°C (83°F). Precipitation levels are notably higher in May, with 168 mm (6.6 in) over 11 days, compared to October's 109 mm (4.3 in) over 9 days. Humidity is also higher in May, reaching 87%, compared to 79% in October. For those interested in a more detailed look at May weather, you can visit Sasebo weather in May.
When comparing the weather in June and October, a noticeable shift in conditions emerges. October features a milder temperature range, with a minimum of 11°C (51°F) and an average of 20°C (68°F), compared to June's warmer minimum of 16°C (61°F) and average of 23°C (74°F). Despite both months having a maximum temperature reaching 31°C (88°F for October and 89°F for June), October experiences less precipitation at 109 mm (4.3 in) over 9 days, while June sees significantly higher rainfall at 200 mm (7.9 in) over 12 days. Additionally, June's humidity is slightly higher at 91%, compared to October's 79%. For a more detailed look, visit Sasebo weather in June.
In comparing the weather of October and July, October offers a more moderate climate with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 31°C (88°F) and an average of 20°C (68°F). Precipitation is considerably lower in October, with about 109 mm (4.3 in) over just 9 days, compared to July's significant rainfall of 361 mm (14.2 in) over 18 days, making it a wetter month. Additionally, July tends to be more humid, with a humidity level of 97%, while October maintains a relatively lower humidity at 79%. For more details on July weather conditions, you can check Sasebo weather in July.
In comparing October to August, we see a significant shift in weather conditions. October presents a cooler climate with average temperatures between 11°C (51°F) and 31°C (88°F), contrasted with the much warmer August, where temperatures range from a minimum of 20°C (68°F) to a maximum of 37°C (99°F). Additionally, October is marked by lower humidity at 79%, compared to the higher 94% in August, which can make the latter feel even more oppressive. Precipitation also differs notably, with October receiving 109 mm (4.3 in) over 9 days, while August experiences a wetter spell at 288 mm (11.3 in) across 15 days. This comparison highlights October's more temperate and drier conditions in contrast to the heat and humidity typical of August. For more details about August weather, check out Sasebo weather in August.
In comparing the weather between October and September, October presents a noticeably cooler climate with average temperatures ranging from a minimum of 11°C (51°F) to a maximum of 31°C (88°F), compared to September, which is warmer with temperatures between 17°C (63°F) and 34°C (94°F). Precipitation levels are also lower in October, with 109 mm (4.3 in) over 9 days, whereas September experiences significantly more rain, totaling 222 mm (8.7 in) over 15 days. Additionally, humidity remains slightly higher in September at 84%, compared to 79% in October, indicating a drier sensation as the fall season progresses. For more detailed information, you can check out Sasebo weather in September.
October typically offers warmer weather than November, with average temperatures ranging from a mild 20°C (68°F) to a high of 31°C (88°F), whereas November's temperatures drop to an average of 15°C (58°F), peaking at 25°C (77°F). In terms of precipitation, October sees more rain, with 109 mm (4.3 in) falling over about 9 days, in contrast to November's lighter total of 51 mm (2.0 in) over just 7 days. Humidity levels remain relatively high in both months, but October is slightly more humid at 79%, compared to November's 75%. For a more detailed look at the weather in November, check out Sasebo weather in November.
October and December present distinctly different weather patterns. In October, temperatures range from a mild 11°C (51°F) at night to a warm average of 20°C (68°F), peaking at 31°C (88°F) during the day. This month also experiences higher precipitation, with about 109 mm (4.3 in) over 9 days and humidity levels around 79%. In contrast, December brings cooler temperatures, with a minimum of 1°C (33°F) and an average of just 9°C (49°F), peaking at a comfortable 23°C (74°F). Precipitation decreases to 74 mm (2.9 in) over 7 days, and humidity drops to 72%. For more specific insights into the December climate, you can explore Sasebo weather in December.
In October, Sasebo experiences a delightful transition in weather, setting it apart from the hotter summer months. With temperatures averaging around 20°C (68°F) and a noticeable drop in maximum highs, the climate becomes more comfortable, making it ideal for outdoor activities. However, it’s also a month marked by increased humidity, which can add a bit of mugginess to the air. Though occasional showers contribute to the 109 mm of rainfall over approximately 9 days, this precipitation is usually brief, allowing ample time to enjoy Sasebo's beautiful autumn scenery. For a deeper dive into Sasebo's weather patterns, visit Sasebo Climate.