Last updated: August 21, 2025
October in Karatsu, Japan, showcases a pleasant blend of temperatures, making it an inviting time to explore the region. The maximum temperature reaches a comfortable 29°C (84°F), while the average temperature settles around 20°C (69°F), providing mild days and cooler nights with a minimum temperature of 13°C (56°F). However, be prepared for some rain, as October brings in approximately 112 mm (4.4 in) of precipitation over 10 days, contributing to a relatively high humidity level of 79%. Whether you're wandering through the vibrant autumn landscapes or enjoying local festivals, Karatsu in October offers a delightful seasonal experience.
In October, Karatsu, Japan, experiences a delightful transition into cooler autumn weather. With minimum temperatures averaging around 13°C (56°F) and peaking at a comfortable 29°C (84°F) during the day, the month strikes a perfect balance between warmth and crispness. The average temperature hovers at 20°C (69°F), making it an inviting time for outdoor activities as the vibrant fall foliage begins to emerge. This shift marks a progression from the balmy heat of summer, where temperatures soared in previous months, to a more temperate climate, paving the way for the cozy, cooler months ahead. By the time November rolls in, the temperatures will continue to dip, highlighting the beautiful seasonal change in this picturesque Japanese town.
In October, Karatsu experiences a noticeable decrease in precipitation compared to the earlier months of summer, with 112 mm (4.4 in) of rain spread over approximately 10 days. This marks a shift from the heavy downpours typical in July and August, where rainfall peaked at 323 mm (12.7 in) and 266 mm (10.5 in) respectively. While September still held onto more substantial rainfall at 210 mm (8.3 in), October's drier weather signals a gradual transition towards the cooler, less humid months ahead. The consistent yet moderate rainfall in October suggests a balanced climate, giving Karatsu's residents a brief respite before the winter months, where precipitation amounts further dip to 53 mm (2.1 in) in November.
As the calendar turns to October in Karatsu, Japan, the humidity begins to transition from the steamy heights of summer to more moderate levels. With an average humidity of 79%, October offers a noticeable decrease compared to the peak of 97% in July, while still being significantly higher than the winter months. This shift reflects the gradual cooling of the air, as autumn settles in, inviting a refreshing and crisp feel. The decline in humidity from the sweltering summer allows residents and visitors alike to enjoy the beautiful fall scenery without the oppressive moisture that characterizes the earlier months, making October an inviting time to explore the picturesque landscapes of Karatsu.
In October, Karatsu, Japan experiences a UV Index of 7, categorized as high, which allows for a burn time of 25 minutes. This marks a notable decrease from the extreme levels seen during the summer months, where the index peaked at 12. As the weather cools and the sun's intensity decreases, residents and visitors can safely enjoy outdoor activities with adequate sun protection, unlike the rapid burn times characteristic of the peak summer months. Notably, this trend of a declining index continues into November, emphasizing a seasonal shift that encourages outdoor exploration with slightly less urgency for sun safety. For a comprehensive view of the UV Index throughout the year, check out Karatsu UV Index.
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October in Karatsu, Japan, is a delightful transition month, boasting 254 hours of sunshine. As the vibrant summer gives way to the cooler autumn, this figure reflects a steady decline from August's peak of 305 hours, yet it remains notably brighter than the winter months ahead. The sunshine begins to wane gradually after the summer highs, with September's 257 hours hinting at the lingering warmth of late summer. This gradual reduction in daylight signifies not just a shift in weather, but an enchanting change in the landscape, rich with colorful autumn hues. As October unfolds, locals and visitors alike can bask in the pleasant sunshine, making it a perfect time for outdoor activities amidst the beauty of nature's display.
In October, Karatsu, Japan, enjoys a notable increase in sunny weather, with a 60% chance of sunshine that stands out from the rest of the year. This significant rise is particularly striking when compared to the summer months, where sunny days dip to a mere 21% in July, and 29% in August. Following a generally cloudy summer, October heralds a shift, making it one of the sunniest months. As the year transitions toward winter, the chance of sunshine begins to decline again, but for now, October offers a vibrant tapestry of clear skies and pleasant weather, ideal for outdoor activities and exploration.
As October arrives in Karatsu, Japan, daylight begins to wane, offering about 11 hours of sunlight—a gentle decline from the long, bright summer days that peak at 14 hours in June and July. This shift marks a transitional phase, as autumn settles in and the landscape dons its colorful foliage. Following the vibrant warmth of summer, October's reduced daylight hints at the approaching winter, but not without a lingering warmth, as the month retains some of the softer light from the previous season. This gradual decrease underscores a natural rhythm in Karatsu's climate, where daylight dances with the seasons, preparing the region for the cozy, shorter days of November and December.
As October rolls into Karatsu, Japan, a gentle breeze begins to replace the summer's warmth, with average wind speeds dropping to 3.4 m/s (8 mph). This slight reduction in wind velocity reflects a transitioning season, as nature prepares for the cooler months ahead. Following a consistent pattern, October's winds are notably softer than the brisker gusts of early autumn, which peaked in September at 3.6 m/s (8 mph). However, as the year progresses towards winter, a resurgence in wind speeds can be anticipated, with November typically bringing a refreshingly brisk average of 4.3 m/s (10 mph). This evolving rhythm of wind not only marks the passage of time but also accentuates the serene beauty of Karatsu as it embraces the autumn chill.
Weather in Karatsu varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Karatsu, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present contrasting weather patterns. In October, temperatures range from a minimum of 13°C (56°F) to a maximum of 29°C (84°F), with an average of 20°C (69°F). This month experiences significant rainfall, totaling 112 mm (4.4 in) over approximately 10 days, combined with a relatively high humidity of 79%. In stark contrast, January sees much cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 18°C (64°F), averaging at 8°C (46°F). Rainfall is also less frequent, with 69 mm (2.7 in) over about 9 days and a lower humidity of 73%. For a detailed look at the weather in January, visit Karatsu weather in January.
In October, the weather is generally warmer and more humid, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 29°C (84°F). This month sees substantial precipitation of 112 mm (4.4 in) over about 10 days, resulting in a humidity level of 79%. In contrast, February experiences much cooler temperatures, with minimums dropping to around 0°C (31°F) and maximums reaching only 19°C (67°F). Precipitation is slightly lower at 84 mm (3.3 in) over 11 days, and humidity levels are reduced to 69%. Overall, October presents a much warmer and more humid environment than February. For more details on February weather, check out Karatsu weather in February.
In comparing October and March, we observe notable differences in temperature and precipitation patterns. October enjoys a warmer climate, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 29°C (84°F), while March presents cooler conditions, with temperatures averaging between 5°C (41°F) and 20°C (68°F). Additionally, October tends to be wetter, with about 112 mm (4.4 in) of precipitation over approximately 10 days, compared to March's 136 mm (5.4 in) spread over 11 days. Humidity levels are also higher in October at 79%, while March is relatively drier at 71%. For a detailed look at March weather patterns, you can visit Karatsu weather in March.
When comparing the weather of October and April, one can observe notable differences in temperature and precipitation patterns. October features warmer temperatures, ranging from a minimum of 13°C (56°F) to a maximum of 29°C (84°F), with an average of 20°C (69°F). In contrast, April has cooler temperatures, with a minimum of 7°C (45°F), an average of 15°C (59°F), and a maximum of 24°C (75°F). Precipitation levels are similar in both months, with October receiving 112 mm (4.4 inches) over 10 days and April slightly higher at 115 mm (4.5 inches) over 9 days. Both months share a humidity level of 79%, contributing to a moist atmosphere. For more specific climate details, you can check Karatsu weather in April.
October and May present slightly different climatic conditions. In October, temperatures range from a minimum of 13°C (56°F) to a maximum of 29°C (84°F), with an average of 20°C (69°F). The month sees around 112 mm (4.4 in) of precipitation spread over about 10 days, accompanied by a humidity level of 79%. In contrast, May exhibits slightly cooler temperatures with a minimum of 11°C (53°F), an average of 19°C (67°F), and a maximum of 27°C (80°F). Precipitation in May is higher, totaling 153 mm (6.0 in) across roughly 11 days, and the humidity climbs to 87%. For more detailed information about the weather in May, you can visit Karatsu weather in May.
In comparing the weather of October and June, both months exhibit similar maximum temperatures of 29°C (84°F), making them equally warm. However, October experiences cooler minimum temperatures, averaging 13°C (56°F), compared to June's milder 17°C (63°F). Precipitation levels differ significantly, with October receiving 112 mm (4.4 in) over 10 days, while June sees a higher total of 191 mm (7.5 in) over 13 days. Additionally, humidity is notably higher in June at 91%, versus 79% in October, indicating a more oppressive atmosphere during the earlier summer month. For more specifics about June weather in Karatsu, you can refer to Karatsu weather in June.
When comparing the weather in October and July, we see notable differences in temperature and precipitation. October boasts more moderate temperatures, with a minimum of 13°C (56°F) and a maximum of 29°C (84°F), averaging around 20°C (69°F). In contrast, July experiences significantly warmer conditions, starting with a minimum of 20°C (68°F) and reaching up to 33°C (91°F), with an average of 26°C (79°F). Precipitation levels also vary considerably; October sees 112 mm (4.4 in) of rainfall over approximately 10 days, while July is much wetter, accumulating 323 mm (12.7 in) spread across 18 days. Additionally, the humidity is higher in July at 97%, compared to October's 79%. For those looking to explore the specifics of July weather, check out Karatsu weather in July.
In comparing the weather of October and August, October presents a more moderate climate with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 29°C (84°F), averaging around 20°C (69°F). In contrast, August is significantly warmer, with temperatures spanning from a minimum of 21°C (70°F) to a peak of 33°C (92°F) and an average of 28°C (83°F). Additionally, October experiences nearly half the precipitation of August, with 112 mm (4.4 in) over 10 days compared to August's 266 mm (10.5 in) over 13 days. The humidity in October at 79% is also lower than August's high of 94%. For a closer look at August's weather specifics, you can check Karatsu weather in August.
In comparison to September, October generally experiences milder temperatures, with averages dipping from 25°C (77°F) in September to 20°C (69°F) in October. The maximum temperatures also decline, from 32°C (91°F) in September to 29°C (84°F) in October. Rainfall decreases significantly in October, with 112 mm (4.4 in) of precipitation occurring over 10 days, compared to 210 mm (8.3 in) over 16 days in September. Humidity levels remain relatively consistent, at 79% in October compared to 84% in September, contributing to a more comfortable atmosphere. For more details on the weather patterns, you can visit Karatsu weather in September.
October typically offers warmer weather than November, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 29°C (84°F) and higher humidity at 79%. In contrast, November sees cooler conditions, with temperatures dropping to a minimum of 7°C (45°F) and reaching a maximum of 23°C (74°F), accompanied by a slight decrease in humidity to 75%. Additionally, October experiences more rainfall, averaging 112 mm (4.4 in) over about 10 days, while November sees only 53 mm (2.1 in) across 7 days. For more detailed insights, check out Karatsu weather in November.
October and December present quite contrasting weather patterns. In October, temperatures are generally warmer, with a minimum of 13°C (56°F) and an average of 20°C (69°F), peaking at 29°C (84°F). The month experiences significant rainfall, totaling 112 mm (4.4 in) over about 10 days, accompanied by a higher humidity of 79%, creating a more tropical feel. In contrast, December brings much cooler conditions, with temperatures dropping to a minimum of 1°C (35°F) and averaging around 10°C (50°F), while the maximum reaches 21°C (71°F). Precipitation decreases to 81 mm (3.2 in) over 9 days, and the humidity lowers to 72%, resulting in a drier atmosphere. For more detailed insights, you can check Karatsu weather in December.
October in Karatsu ushers in a refreshing change, as temperatures begin to cool from the warmer summer months. With an average temperature of 20°C (69°F), this month feels more invigorating, inviting locals and tourists alike to enjoy outdoor activities amidst the vibrant fall scenery. However, with 112 mm of rainfall spread over 10 days, it’s wise to keep an umbrella handy. Humidity remains high at 79%, adding a touch of tropical warmth to the crisp autumn air. This transitional period makes October a unique experience compared to the sweltering heat of summer, offering a delightful blend of comfortable weather and occasional showers. To explore more about this picturesque season, visit Karatsu Climate.