Last updated: August 21, 2025
Kusatsu in October presents a dynamic weather experience, with temperatures ranging from a brisk 7°C (45°F) at night to a warm maximum of 33°C (92°F) during the day. The average temperature hovers around a comfortable 18°C (65°F), making it a delightful time for outdoor activities. However, be prepared for rain, as the region sees significant precipitation amounting to 227 mm (8.9 in) over 13 days, accompanied by high humidity levels of 85%. This blend of warmth and moisture contributes to the lush landscapes that Kusatsu is renowned for, offering a captivating backdrop for autumn exploration.
In Kusatsu, Japan, October marks a delightful transition into autumn, with temperatures generally ranging from a refreshing 7°C (45°F) at night to a pleasant 18°C (65°F) during the day. As the month progresses, residents and visitors can enjoy the mild warmth of early fall, with maximum temperatures peaking at around 33°C (92°F), creating a contrast against the chilly nights. This gradual cool down from the sweltering summer months is notable, as October sits between the vibrant warmth of September's 24°C (75°F) average and the crispness of November, which ushers in cooler days. As the leaves change and the landscape transforms into a tapestry of autumn colors, Kusatsu offers a charming environment for those seeking to bask in the splendor of Japanese fall.
October in Kusatsu, Japan, marks a remarkable shift in precipitation patterns, showcasing a substantial increase with a total of 227 mm (8.9 in) of rain over 13 days. This figure stands out as the highest monthly total for the year, surpassing even the typically rainier summer months like July and August. The transition into autumn brings not only cooler temperatures but also a notable surge in rainfall, which can be linked to seasonal weather patterns. As Kusatsu moves from the relatively drier months of September and August, the increased precipitation this month sets the stage for the brisk and vibrant landscapes characteristic of late autumn. Such trends highlight October as a pivotal month for both weather dynamics and the natural beauty of this picturesque region.
In Kusatsu, Japan, October ushers in a slight dip in humidity, averaging at 85%, which provides a refreshing reprieve from the sultry summer months. As the year transitions from the sweltering July and August, where humidity peaks at 93% and 91% respectively, the autumn air becomes notably crisper. This month sees humidity levels maintain a high but manageable range, closely following the patterns established in May and June, while still being relatively more comfortable than the summer's peak. The gradual decline in humidity from the scorching heights of summer begins to settle, paving the way for the cooler, more temperate months ahead. Overall, October in Kusatsu balances the remnants of warmth with a subtle invitation to embrace the impending beauty of fall.
As autumn sets in, October in Kusatsu, Japan, presents a UV Index of 7, marking a return to the high exposure category with a burn time of approximately 25 minutes. This indicates a gradual decline from the peak summer months, when the index consistently hovered at 11, denoting extreme conditions. With the seasonal transition, the UV Index decreases, yet remains significant, reminding residents and visitors alike to stay vigilant with sun protection. The trend demonstrates a gradual softening from the intense summer sun to a more moderate exposure, yet caution is still advised as October's sun can still lead to sunburn. For more detailed insights on UV levels throughout the year, check Kusatsu UV Index.
UV Risk Categories
October in Kusatsu, Japan, bathes visitors in a gentle glow with 230 hours of sunshine, offering a picturesque transition into autumn. As the year progresses, a clear trend emerges: the sunniest months are concentrated in the summer, peaking in August with an impressive 292 hours. Following this warm embrace, October enjoys a comforting amount of daylight, bridging the abundant sunshine of summer and the dwindling light of winter. Interestingly, while the sunlight diminishes slightly from September's 232 hours, October still holds its charm, making it a perfect time for travelers to revel in the beauty of nature as the leaves change colors against a backdrop of crisp skies.
In Kusatsu, Japan, the arrival of October brings a noticeable shift in weather patterns, with a 48% chance of sunny days—the highest percentage since April. This trend marks a departure from the wetter summer months, where the likelihood of sunshine dwindled to its lowest in June and August at just 20% and 23%, respectively. As autumn sets in, the sun begins to make a more frequent appearance, allowing visitors to enjoy the beauty of the changing foliage under clearer skies. Following October, the odds improve slightly into November and December, but October stands out as a delightful time for those seeking a balance of mild weather and sunny experiences.
As October arrives in Kusatsu, Japan, the landscape transitions to a softer palette of autumn hues, and daylight begins to wane, offering around 11 hours of sunlight each day. This marks a subtle decline from the 12 hours enjoyed in September, signaling the approach of winter days. The month follows a general trend of decreasing daylight that starts in late summer, peaking at 14 hours in June and July before gradually retreating. However, October's fleeting golden hours allow residents to bask in the beauty of fall foliage, creating a perfect backdrop for outdoor activities as they savor the remaining warmth of the season.
As October unfolds in Kusatsu, Japan, the landscape is gently kissed by a mild breeze, with average wind speeds reaching 2.4 m/s (5 mph). This slight uptick from the summer months reflects a transition in the season, as the winds begin to whisper of autumn’s arrival. Interestingly, October's wind speed is just a notch above the consistent calm of late summer, which hovered around 2.3 m/s (5 mph) in September. The change hints at upcoming transformations, as the crisp air carries the promise of vibrant fall foliage and the anticipation of winter's chill. As November approaches, one can expect a gradual increase in wind speed, reinforcing the seasonal shift and enhancing the enchanting atmosphere of this beautiful Japanese locale.
Weather in Kusatsu varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Kusatsu, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January experience starkly different weather patterns. In October, temperatures can soar to a maximum of 33°C (92°F), with an average of 18°C (65°F) and a minimum of 7°C (45°F), while January's temperatures dip significantly, ranging from a minimum of -7°C (20°F) to an average of 4°C (39°F) and peaking at 15°C (60°F). Precipitation is also notably higher in October, with 227 mm (8.9 in) over 13 days, compared to January's 52 mm (2.0 in) spread across just 8 days. Despite the cooler winter air in January, humidity remains relatively high at 82%, only slightly lower than October's 85%. For those interested in more specific details about January weather conditions, you can visit Kusatsu weather in January.
October and February display striking contrasts in weather conditions. In October, temperatures range from a cool 7°C (45°F) at night to a warm 33°C (92°F) during the day, typically averaging around 18°C (65°F). This month is also characterized by significant rainfall, with about 227 mm (8.9 in) of precipitation spread over 13 days, resulting in a humid atmosphere with 85% humidity. In contrast, February experiences much colder temperatures, with nighttime lows plunging to -6°C (21°F) and daytime highs averaging 5°C (41°F), peaking at 19°C (67°F). The precipitation in February is significantly lower at 59 mm (2.3 in) over just 8 days, contributing to a drier atmosphere with reduced humidity at 79%. For those interested in specific weather details for February, refer to Kusatsu weather in February.
When comparing the weather in October and March, there are notable differences in temperature and precipitation patterns. October enjoys a wider temperature range, with minimums around 7°C (45°F) and maximums reaching up to 33°C (92°F), averaging a comfortable 18°C (65°F). In contrast, March is much cooler, with minimum temperatures dropping to -3°C (27°F) and an average temperature of only 9°C (49°F), peaking at 23°C (73°F). Precipitation is significantly higher in October, at 227 mm (8.9 in) over 13 days, while March sees only 116 mm (4.6 in) across 11 days, resulting in a more humid environment in October with 85% humidity compared to March's 74%. For a detailed look at March weather, you can check Kusatsu weather in March.
October and April showcase contrasting weather patterns. In October, temperatures range from a cool minimum of 7°C (45°F) to a warm maximum of 33°C (92°F), with an average of 18°C (65°F). The month is quite wet, experiencing 227 mm (8.9 in) of precipitation over 13 days, while humidity remains high at 85%. In contrast, April offers more moderate temperatures, with a minimum of -1°C (31°F) and a maximum of 27°C (80°F), averaging 14°C (57°F). Precipitation is also lighter at 138 mm (5.4 in) over 10 days, and humidity is lower at 76%. For a closer look at the weather specifics in this spring month, check out Kusatsu weather in April.
October and May showcase similar temperature ranges, with October experiencing slightly warmer days and cooler nights. In October, the minimum temperature is around 7°C (45°F), the average is 18°C (65°F), and the maximum reaches up to 33°C (92°F), while May has a minimum of 6°C (43°F), an average of 19°C (66°F), and a maximum of 32°C (89°F). However, October is notably wetter, receiving 227 mm (8.9 in) of precipitation over 13 days, compared to May's 144 mm (5.7 in) over 11 days. This results in higher humidity levels in October at 85%, slightly more than May's 83%. For a detailed look at May's weather, visit Kusatsu weather in May.
In comparing the weather of October and June, October tends to have a broader temperature range, with minimums reaching down to 7°C (45°F) and maximums climbing as high as 33°C (92°F). In contrast, June starts off slightly warmer, with minimums at 11°C (52°F) and a high temperature close to 32°C (90°F). While June enjoys an average temperature of 22°C (72°F), October averages a cooler 18°C (65°F). Additionally, October is significantly wetter, with 227 mm (8.9 in) of precipitation over 13 days, compared to June’s 141 mm (5.6 in) over 12 days. Both months experience high humidity, though October's humidity is marginally lower at 85%, while June stands at 87%. For more details on specific June weather conditions, check Kusatsu weather in June.
October and July present notably different weather patterns. In October, temperatures start off cooler, with a minimum of 7°C (45°F) and an average of 18°C (65°F), peaking at 33°C (92°F). In contrast, July boasts warmer conditions, featuring a minimum temperature of 19°C (66°F), an average of 26°C (80°F), and highs reaching 37°C (98°F). While both months experience significant precipitation—227 mm (8.9 in) in October over 13 days compared to 253 mm (10.0 in) in July over 19 days—October's humidity is slightly lower at 85% versus July's 93%. For more detailed insights on July weather, you can check Kusatsu weather in July.
When comparing the weather in October to that of August, notable differences in temperature and precipitation emerge. October experiences a broader temperature range, with minimums dipping to 7°C (45°F) and maximums reaching up to 33°C (92°F), leading to an average of 18°C (65°F). In contrast, August is much warmer, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 38°C (101°F) and an average of 28°C (83°F).
Precipitation levels also differ; October sees more rainfall with 227 mm (8.9 in) over approximately 13 days, while August has lower precipitation at 168 mm (6.6 in) over about 12 days. Despite October having a slightly lower humidity level at 85% compared to August's 91%, both months remain relatively humid. For a detailed look at August weather specifics, you can visit Kusatsu weather in August.
October weather is notably cooler than September, with average temperatures dropping from 24°C (75°F) in September to 18°C (65°F) in October. While September experiences higher maximum temperatures of up to 35°C (96°F), October’s peak reaches 33°C (92°F). Additionally, October sees a significant increase in precipitation, with 227 mm (8.9 in) over 13 days compared to September's 136 mm (5.4 in) over the same number of days. Humidity remains similar, with October at 85% and September at 87%. For a more detailed look at September weather in this region, you can check Kusatsu weather in September.
October and November showcase a distinct shift in weather patterns. October offers a warmer climate with an average temperature of 18°C (65°F) and maximums reaching up to 33°C (92°F), accompanied by significant rainfall totaling 227 mm over 13 days. In contrast, November brings a notable drop in temperature, with an average of 12°C (54°F) and a maximum of 25°C (77°F). Rainfall decreases dramatically to 41 mm over just 5 days, while the humidity remains relatively consistent at 83%. For those interested in exploring the specifics of November weather, you can view more details here: Kusatsu weather in November.
October and December weather present stark contrasts. In October, temperatures range from a minimum of 7°C (45°F) to a maximum of 33°C (92°F), with an average of 18°C (65°F). This month also experiences significant rainfall, totaling 227 mm (8.9 in) over 13 days, along with high humidity at 85%. In contrast, December sees much cooler conditions, with temperatures dropping to a minimum of -7°C (19°F) and an average of just 6°C (44°F). The maximum temperature is a milder 22°C (72°F) and the precipitation decreases to 63 mm (2.5 in) over only 8 days, bringing a drop in humidity to 83%. For a closer look at December weather specifics, visit Kusatsu weather in December.
October in Kusatsu showcases a distinct transition as summer's warmth gives way to the crispness of autumn. With an average temperature that marks a noticeable shift, the days remain pleasantly mild while the nights grow cooler, embracing the beauty of sweater weather. While rain becomes more frequent, contributing to a higher total precipitation, the humidity levels add a unique charm to the autumn landscape. This month truly contrasts with the sultry summer months, inviting visitors to enjoy the stunning foliage and the therapeutic hot springs. To explore more about what the weather has in store for you, check out the full details on Kusatsu Climate.