Last updated: August 21, 2025
In Unzen, Japan, October ushers in a delightful transition of weather, showcasing maximum temperatures of 33°C (91°F) and average readings around 21°C (69°F). The month experiences a chill, with minimum temperatures dipping to 10°C (50°F), offering a refreshing contrast to the warmth. With 120 mm (4.7 in) of rainfall spread over 9 days, the humidity remains high at 83%, contributing to the region's lush landscapes. Visitors can expect a mixture of warm days and cooler nights, ideal for exploring the stunning natural beauty of Unzen.
In October, Unzen experiences a delightful transition into autumn, with temperatures becoming cooler yet still pleasantly mild. The month marks a noticeable shift, starting with minimums around 10°C (50°F) and peaking at an average of 21°C (69°F), which invites outdoor exploration amidst the vivid fall foliage. As the month progresses, daily highs can reach a warm 33°C (91°F), reminiscent of late summer, before giving way to the crispness of November. This blend of warmth and coolness not only enhances the vibrant landscapes but also creates an inviting atmosphere for visitors to enjoy the natural beauty of Unzen during this picturesque season.
In October, Unzen experiences a noticeable shift in its precipitation patterns, receiving 120 mm (4.7 in) of rain over 9 days. As the autumn season sets in, the rainfall diminishes compared to the summer deluge, where July peaks at a staggering 475 mm (18.7 in). Conversely, October's totals are more moderate yet significant, reflecting a transition to drier conditions as the year progresses. This pattern suggests a gradual tapering off of the intense summer rains, reinforcing the idea that October serves as a bridge into the cooler, less humid months ahead. The overall trend indicates a decrease in precipitation as the region prepares for winter, making it a vital time for both nature's transition and local agriculture.
In October, Unzen, Japan, experiences a notable shift in humidity, with levels sitting at 83%. This month marks the tail end of the intense summer humidity, which peaks in July at a staggering 92%, followed closely by August. As the seasons transition toward autumn, there's a gradual decline in humidity, dropping from September's 84% to October's 83%. This slight decrease reflects the onset of cooler temperatures, contrasting with the higher humidity levels of late spring and summer, where figures reach an annual high in June and July. Overall, October serves as a delightful reminder of autumn’s arrival, providing a comfortable yet still moist atmosphere that encapsulates the beauty of the season.
As October rolls into Unzen, Japan, the UV Index begins to drop from the intense summer highs, settling at a moderate level of 7. This reflects a shift in seasonal intensity, transitioning from the extreme exposure seen in the summer months, which often peaked at 12, to a more manageable yet still high exposure category. With a recommended burn time of 25 minutes, October's sun still demands caution, particularly for those outdoor enthusiasts. As we move towards the end of the year, it's essential to stay mindful of UV levels, as November will also present a similar high index at 6, making the need for sun protection crucial even in the autumn months. For precise UV Index forecasts and guidance, check out the detailed information available at Unzen UV Index.
UV Risk Categories
In Unzen, Japan, October welcomes a delightful 258 hours of sunshine, maintaining the region's reputation for abundant sunlight as summer transitions into autumn. Following the peak of 300 hours in August, the sunlit hours begin to taper off, echoing the gradual shift in seasons. This month stands out as a bridge between the long, warm days of summer and the cooler, shorter days of winter, reflected in the steady decline from both August and the previous month’s 257 hours in September. As October wraps around the charming landscapes of Unzen, it paints a picturesque scene filled with vibrant autumn colors, making it an inviting time for outdoor exploration amidst the gentle, golden rays.
In Unzen, Japan, October emerges as a standout month for sunshine, boasting a 64% chance of clear skies, significantly higher than the surrounding months. This trend highlights a noticeable transition from the previous summer months, which see lower probabilities of sun, dipping to just 20% in July. As autumn settles in, the likelihood of sunny weather gradually increases from September's 34%, making October an inviting time for outdoor activities and exploration. With 47% of the year seeing less sunny opportunities, October's radiant days are a refreshing shift that beckons both locals and visitors to embrace the beauty of the season.
As October arrives in Unzen, Japan, the daylight duration starts to wane, offering around 11 hours of natural light each day. Following the vibrant and sun-soaked summer months of June and July, which bask in 14 hours of daylight, October marks a gentle transition into the cozy embrace of autumn. The month is a bridge from the longer days of summer to the shorter daylight hours of winter, echoing the rhythm of nature's cycles. With daylight gradually decreasing from the peak of 13 hours in May and settling to 12 hours in September, October invites a shift in activities, encouraging residents and visitors alike to embrace the beauty of fall foliage as the days grow shorter and the nights cooler.
As October rolls in, Unzen, Japan experiences a gentle shift in its wind patterns, with an average wind speed of 2.4 m/s (5 mph). This month continues the trend of mild breezes that characterizes the autumn season, gently stirring the vibrant foliage and hinting at the cooler months ahead. While January and February boast a more boisterous presence at around 3.0-3.1 m/s, the winds gradually soften through the summer, hitting their lowest point in June with just 1.6 m/s (4 mph). However, October maintains a stable breeze, slightly stronger than the preceding month, September, which recorded 2.3 m/s (5 mph). As the landscape transitions, the soft autumn winds create an inviting atmosphere, perfect for exploring the scenic beauty that Unzen has to offer.
Weather in Unzen varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Unzen, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present a stark contrast in weather. In October, temperatures fluctuate from a mild 10°C (50°F) at night to a warm average of 21°C (69°F) during the day, peaking at a hot 33°C (91°F). The month experiences significant precipitation, with 120 mm (4.7 in) spread across 9 days and high humidity levels at 83%. In contrast, January brings a notable chill, with minimum temperatures plummeting to -2°C (29°F) and an average of only 8°C (46°F), reaching a maximum of 19°C (66°F). The cold month sees much less rainfall, amounting to 53 mm (2.1 in) over just 6 days, accompanied by a lower humidity of 75%. For further insights, you can check out the detailed overview of Unzen weather in January.
October and February present contrasting weather conditions. In October, temperatures range from a pleasant 10°C (50°F) to a warm 33°C (91°F), with an average of 21°C (69°F). This month sees about 120 mm (4.7 in) of precipitation spread over 9 days and a notably high humidity level of 83%. In contrast, February experiences much cooler temperatures, with a minimum of -2°C (29°F) and an average of just 8°C (48°F), peaking at a maximum of 22°C (71°F). Precipitation is slightly lower at 92 mm (3.6 in) over the same number of rain days, and the humidity is more comfortable at 71%. For more details about February weather, you can refer to Unzen weather in February.
In October, the weather tends to be warmer, with average temperatures ranging from a comfortable 21°C (69°F) to a high of 33°C (91°F). This is accompanied by relatively high humidity levels at 83% and about 120 mm (4.7 in) of precipitation over 9 days. In contrast, March is considerably cooler, with average temperatures from a chilly 3°C (37°F) to a mild 24°C (76°F). Although March experiences slightly more precipitation at 145 mm (5.7 in) over 11 days, the humidity is lower at 71%. For more detailed insights about March weather, visit Unzen weather in March.
In comparing the weather of October and April, it’s evident that October tends to be warmer, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 33°C (91°F). In contrast, April experiences cooler temperatures, with an average ranging from 5°C (41°F) to a maximum of 29°C (84°F). While both months see a considerable amount of rainfall, October has slightly less with 120 mm (4.7 in) over 9 days compared to April's 135 mm (5.3 in) over 8 days. Additionally, October has a higher humidity level at 83% compared to April's 78%, making October feel more humid overall. For a more detailed look at April weather in a specific location, check out Unzen weather in April.
October and May share similar temperature ranges, both experiencing a minimum of 10°C (50°F) and an average of 21°C (69°F). However, October can reach a higher maximum of 33°C (91°F), making it slightly warmer than May, which caps at 30°C (86°F). In terms of precipitation, May is markedly wetter, with 214 mm (8.4 in) of rain over 12 days compared to October's 120 mm (4.7 in) across 9 days. Humidity levels are quite comparable as well, with October at 83% and May at 84%. For more detailed information on the weather in May, you can check out Unzen weather in May.
When comparing October and June weather, October generally features a more moderate temperature range, with a minimum of 10°C and an average high of 33°C. In contrast, June tends to be warmer, with temperatures ranging from a minimum of 16°C to an average of 32°C. While October receives less precipitation—120 mm over 9 days—June is significantly wetter, accumulating 262 mm over 15 days. Both months exhibit high humidity, but June is slightly more humid at 86%, compared to October's 83%. For those interested in exploring the specifics, you can check the Unzen weather in June.
October weather presents a notable contrast to July, featuring milder temperatures and a significant drop in humidity. In October, temperatures range from a minimum of 10°C (50°F) to a maximum of 33°C (91°F), with an average of 21°C (69°F). In contrast, July boasts warmer conditions with minimums of 20°C (68°F) and maximums reaching up to 37°C (99°F), averaging 27°C (82°F). Precipitation is also considerably higher in July, with 475 mm (18.7 in) over 19 days, compared to October’s 120 mm (4.7 in) across just 9 days. Humidity levels further emphasize the difference, standing at 92% in July compared to 83% in October. For more details on July weather, please visit Unzen weather in July.
When comparing the weather between October and August, notable differences emerge in temperature and precipitation. October offers a more moderate climate, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 33°C (91°F) and an average of 21°C (69°F). In contrast, August is significantly warmer, featuring minimum temperatures of 20°C (68°F) and highs reaching up to 39°C (102°F), alongside an average of 29°C (85°F). Precipitation is also a factor to consider; October experiences 120 mm (4.7 in) of rain over 9 days, while August sees considerably more rainfall, measuring 303 mm (11.9 in) over 14 days. The humidity levels are relatively high in both months, with August being slightly more humid at 91% compared to October's 83%. For more insights into August weather specifics, you can visit Unzen weather in August.
In comparing the weather of October and September, October tends to be cooler with an average temperature of 21°C (69°F), while September is warmer, averaging 25°C (78°F). Notably, September also experiences higher maximum temperatures, reaching up to 35°C (94°F), compared to October's maximum of 33°C (91°F). Additionally, October sees a significant reduction in precipitation, accumulating 120 mm (4.7 in) over 9 days, whereas September is much wetter with 228 mm (9.0 in) over 15 days. Humidity levels remain relatively similar, with October at 83% and September at 84%. For more detailed weather insights during September, you can refer to Unzen weather in September.
October typically showcases warmer weather compared to November, with average temperatures around 21°C (69°F) and maximums reaching up to 33°C (91°F). In contrast, November presents cooler conditions, with averages dropping to 15°C (59°F) and maximums peaking at 25°C (78°F). Although October experiences more rainfall with 120 mm (4.7 in) over approximately 9 days, November sees a decrease in precipitation to 80 mm (3.1 in) across about 8 days. Humidity levels are also slightly lower in November at 81%, compared to October's 83%. For more detailed information, you can check Unzen weather in November.
In October, the weather is significantly warmer, with average temperatures ranging from a mild 21°C (69°F) to a high of 33°C (91°F), while December brings a chillier climate, with average temperatures dropping to around 10°C (49°F) and maximums reaching only 24°C (76°F). October experiences more rainfall, totaling 120 mm (4.7 in) over approximately 9 days, compared to December's 89 mm (3.5 in) over 7 days. Humidity levels are slightly higher in October at 83%, while December sees a lower humidity level at 79%. For a detailed look at December's weather, check out Unzen weather in December.
As October arrives in Unzen, the weather showcases a refreshing transition from the summer heat, marked by a maximum temperature that dips to 33°C while the average feels pleasantly milder at 21°C. This shift brings a touch of crispness to the air, with minimum temperatures dropping to the 10°C range, perfect for cozy sweaters. While the month still experiences some precipitation—about 120 mm over 9 days—the overall humidity remains high at 83%, imbuing the atmosphere with a distinct, invigorating freshness. This blend of warmth and coolness sets October apart, offering a unique charm that invites both adventure and tranquility. For a deeper understanding of what to expect throughout the year, explore the detailed insights at Unzen Climate.