Last updated: August 21, 2025
In October, Itoigawa experiences a mild climate characterized by a maximum temperature of 28°C (82°F) and an average of 16°C (62°F), making it a pleasant time for outdoor activities. Minimum temperatures can drop to 8°C (47°F), adding a crispness to the air. However, the month also brings significant precipitation, with 258 mm (10.2 in) of rain spread over 18 days, and humidity levels soaring at 87%. This combination of warmth and moisture creates a vibrant landscape, perfect for experiencing the stunning autumn foliage that Itoigawa is known for.
In October, Itoigawa experiences a delightful transition as summer yields to autumn, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 28°C (82°F). The average temperature settles around 16°C (62°F), providing a pleasant backdrop for outdoor activities and the stunning fall foliage. This month marks a significant drop from the sweltering heat of summer, as daytime temperatures begin to cool while nights become more crisp and refreshing. The shift in temperature not only invites locals and visitors to embrace warm beverages and cozy attire but also showcases the vibrant, colorful landscapes that Itoigawa is known for during this enchanting time of year.
As October unfolds in Itoigawa, Japan, the region experiences a notable 258 mm (10.2 in) of precipitation, which marks a slight dip from the late summer months while still maintaining a robust rainfall pattern. This month sees rain on an average of 18 days, continuing the trend from September. Interestingly, while October's precipitation amount is substantial, it reflects an overall transition toward drier conditions as temperatures cool down. The pattern of rainfall this month hints at the approaching winter, following the heavy downpours typical of July and August. Despite the decrease, October's rainfall remains significant, setting the stage for the wet winter months ahead, with December often recording the highest precipitation level.
In October, Itoigawa experiences a humidity level of 87%, marking a slight dip from the preceding months of high humidity in summer. Following the peak summer months of July and August, where humidity hovered around 92%, October's milder humidity levels suggest a transition into the cooler autumn season. As temperatures begin to drop, the change in humidity from September’s 89% to October's 87% signals the onset of the refreshing autumn air. Interestingly, this trend of maintaining relatively high humidity persists throughout the year, with values consistently above 80% from March through November, establishing Itoigawa as a region rich in moisture and enveloped in a lush environment year-round.
As October arrives in Itoigawa, Japan, the UV Index settles at a moderate level of 6, indicating a high exposure category with a burn time of approximately 25 minutes. This marks a noticeable drop from the extreme levels recorded during the peak summer months of July and August, where outdoor enthusiasts had to limit their sun exposure to just 10 minutes. While early autumn still calls for sun protection—highlighted by the high UV Index—it's a respite from the ultra-high readings earlier in the year. October serves as a transitional month, bridging the intense summer sun and the more moderate indices of winter, such as November's return to a UV Index of 5. For more insights into UV levels throughout the year, visit Itoigawa UV Index.
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In October, Itoigawa basks in a gentle glow as it transitions from the vibrant warmth of summer to the crispness of autumn. With 227 hours of sunshine, this month continues the trend of declining daylight that begins in late summer, yet still offers more sun than the chillier months to follow. After basking in 303 hours of sunlight in May and 302 hours in August, the shift in October brings a delightful respite from the sweltering heat, allowing residents and visitors to enjoy the stunning fall foliage under clear skies. As the days grow shorter and cooler, Itoigawa invites all to soak in this radiant autumn sunshine before winter takes hold.
In October, Itoigawa, Japan experiences a moderate 39% chance of sunny weather, marking a welcome transition from the humid summer months. Following the highs of April, when sunny days peak at 45%, October offers a delightful balance, maintaining a trend of increasing sunshine as the year progresses toward the winter months. This slight uptick from September’s 32% hints at the region’s gradual shift towards brighter weather before the cloudier days of the late fall set in. With November showcasing an even higher likelihood of sunshine at 46%, October serves as a pleasant interlude, encouraging outdoor activities amidst the backdrop of autumn foliage.
As autumn settles in, October in Itoigawa, Japan, ushers in a transition marked by a gentle decline in daylight hours. With 11 hours of daylight, the month reflects a steady reduction from the brighter summer months, which enjoyed up to 14 hours in June, July, and August. This gradual decrease shows a clear trend toward shorter days as the year winds down. Following the vibrant blooms and long days of spring and summer, October serves as a reminder of the impending winter, with daylight tapering off again to 10 hours in November. This rhythmic dance of light and dark not only shapes the landscape but also influences the daily rhythms of life in this scenic coastal town.
As October arrives in Itoigawa, Japan, the wind begins to pick up a gentle cadence, with average speeds reaching 2.3 m/s (5 mph). This marks a subtle increase from the languid summer months of July and August, which recorded average wind speeds of 1.6 m/s (3 mph) and 1.9 m/s (4 mph), respectively. In October, the breeze starts to breathe life into the crisp autumn air, foreshadowing the brisk winds of late fall, which climb to 3.3 m/s (7 mph) in November and 3.7 m/s (8 mph) in December. This gradual transition invites residents and visitors alike to embrace the changing seasons, as the soft winds carry hints of the vibrant autumn foliage that will soon adorn the landscape.
Weather in Itoigawa varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Itoigawa, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January weather present stark contrasts in temperature and overall climate conditions. October features milder temperatures, with a minimum of 8°C (47°F) and an average of 16°C (62°F), peaking at 28°C (82°F). In contrast, January is noticeably colder, with temperatures dropping to a minimum of -5°C (23°F) and an average of only 2°C (35°F), reaching a maximum of 11°C (53°F). Both months experience significant precipitation, with October receiving 258 mm (10.2 in) over 18 days and January slightly higher at 263 mm (10.4 in) over 23 days. Humidity levels remain quite similar, hovering around 87% in October and 88% in January. For a more detailed look at January weather, you can visit Itoigawa weather in January.
When comparing the weather in October and February, the differences are striking. October boasts a milder climate with temperatures ranging from a minimum of 8°C (47°F) to a pleasant maximum of 28°C (82°F), while February is considerably colder, with temperatures dipping as low as -6°C (22°F) and only reaching a maximum of 12°C (54°F). October also experiences more rain, with a total precipitation of 258 mm (10.2 in) over 18 days, compared to February's 235 mm (9.2 in) over 22 days. Humidity levels are quite similar, at 87% in October and 86% in February, making both months feel quite damp. For more specific insights into February weather, you can explore Itoigawa weather in February.
October and March present contrasting weather conditions. October boasts milder temperatures, with averages around 16°C (62°F) and highs reaching up to 28°C (82°F), while March remains significantly cooler, with average temperatures of just 5°C (41°F) and lows dipping to -4°C (24°F). Precipitation levels are relatively high in both months, but October sees more rainfall with 258 mm (10.2 in) compared to March's 175 mm (6.9 in), despite both experiencing precipitation on 18 days. Additionally, October has a higher humidity level of 87%, while March has a slightly lower humidity at 81%. For a closer look at the weather in March, visit Itoigawa weather in March.
When comparing the weather in October to that in April, notable differences emerge in both temperature and precipitation. In October, temperatures range from a minimum of 8°C (47°F) to a maximum of 28°C (82°F), with an average of 16°C (62°F). This month experiences significant rainfall, with 258 mm (10.2 in) over 18 days and a high humidity level of 87%. In contrast, April is cooler, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 21°C (70°F) and an average of 9°C (49°F). While April sees less precipitation, totaling 174 mm (6.9 in) over 15 days and a lower humidity of 78%, it marks the onset of spring contrasts gracefully with October's autumnal vibe. For a closer look, you can check Itoigawa weather in April.
When comparing the weather in October and May, there are notable differences in temperature and precipitation patterns. October experiences a broader temperature range, with minimums of 8°C (47°F) and maximums reaching up to 28°C (82°F), contributing to an average of 16°C (62°F). In contrast, May's temperatures are slightly cooler, ranging from a minimum of 6°C (42°F) to a maximum of 26°C (79°F), yielding an average of 15°C (59°F). Additionally, October is significantly wetter, with 258 mm (10.2 in) of precipitation over 18 days, compared to May's 138 mm (5.4 in) over 15 days. Humidity levels are also higher in October at 87%, while May sees a slightly lower humidity of 81%. For more details on May weather specific to Itoigawa, visit Itoigawa weather in May.
October typically experiences a broader temperature range than June, with nightly lows dipping to around 8°C (47°F) and daytime highs reaching up to 28°C (82°F). In contrast, June maintains milder temperatures, with minimums around 10°C (51°F) and maximums peaking at 26°C (80°F). Additionally, October sees more precipitation, averaging 258 mm (10.2 in) over 18 days, compared to June’s 168 mm (6.6 in) across 13 days. Humidity levels remain similar, hovering around 87% in October and 88% in June, contributing to a significantly damp atmosphere in the autumn month. For a closer look at June weather specifics, you can visit Itoigawa weather in June.
October and July present quite contrasting weather patterns. In October, temperatures range from a low of 8°C (47°F) to a high of 28°C (82°F), averaging around 16°C (62°F). The month sees considerable precipitation, with 258 mm (10.2 in) spread over approximately 18 days and an average humidity of 87%. In contrast, July experiences warmer temperatures, with a minimum of 18°C (64°F) and a maximum of 34°C (94°F), averaging at 24°C (75°F). July also records higher rainfall, totaling 347 mm (13.7 in) over 23 days, and has a slightly higher humidity at 92%. For more specific insights on July weather, visit Itoigawa weather in July.
In comparing the weather of October and August, October tends to be cooler, featuring a minimum temperature of 8°C (47°F) and an average of 16°C (62°F), while August enjoys warmer temperatures, with a minimum of 18°C (64°F) and an average of 26°C (78°F). Precipitation levels are quite similar, with October receiving about 258 mm (10.2 in) over 18 days and August getting slightly higher rainfall of 265 mm (10.4 in) over 20 days. Additionally, humidity levels in October are slightly lower at 87% compared to 92% in August. For a more detailed look, you can check out Itoigawa weather in August.
In comparing the weather of October to September, October experiences cooler temperatures, with a minimum of 8°C (47°F) and an average of 16°C (62°F), compared to September's milder minimum of 13°C (56°F) and average of 22°C (72°F). The maximum temperatures also drop significantly, from 32°C (90°F) in September to 28°C (82°F) in October. Despite both months seeing considerable rainfall, October has slightly less precipitation at 258 mm (10.2 in) over 18 days, compared to September's 265 mm (10.4 in) over 21 days. Humidity remains quite high in both months, with October at 87% and September slightly higher at 89%. For more details on September's weather, you can visit Itoigawa weather in September.
October weather tends to be warmer and wetter compared to November. With average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 28°C (82°F), October sees frequent rainfall, accumulating to 258 mm (10.2 in) over 18 days and maintaining a high humidity level of 87%. In contrast, November experiences cooler temperatures, ranging from a minimum of 0°C (32°F) to a maximum of 22°C (71°F), with precipitation decreasing to 185 mm (7.3 in) over 19 days and a slight drop in humidity to 85%. For more detailed information on the weather during this month, you can visit Itoigawa weather in November.
October and December present stark contrasts in weather, reflecting the transition from autumn to winter. In October, temperatures range from a mild 8°C (47°F) to a warm 28°C (82°F), with an average of 16°C (62°F), while December sees much cooler conditions, with temperatures dipping down to a minimum of -4°C (26°F) and reaching a maximum of 18°C (65°F), averaging at just 4°C (40°F). Precipitation is fairly significant in both months, but December receives slightly more at 294 mm (11.6 in) over 24 days compared to October's 258 mm (10.2 in) over 18 days. Interestingly, humidity levels remain consistent in both months, around 86-87%. For more details on December weather, you can check Itoigawa weather in December.
As October settles over Itoigawa, the weather begins to shift significantly compared to the preceding months. With temperatures averaging a comfortable 16°C, this autumn month strikes a pleasant balance, showcasing gentle warmth during the day while the nights cool down to a crisp 8°C. However, October is also a month characterized by increased precipitation, marked by 18 days of rain, which contributes to its notable humidity of 87%. This makes October a vibrant time in Itoigawa, as the rich colors of fall foliage emerge amid frequent showers, creating a unique atmosphere. For a more comprehensive understanding of what to expect throughout the year, check out the detailed insights found at Itoigawa Climate.