October Weather in Itoshima, Japan

Last updated: August 21, 2025

In October, Itoshima, Japan, experiences a delightful transition into autumn, with temperatures ranging from a cool minimum of 12°C (54°F) to a pleasant maximum of 30°C (87°F), averaging around 20°C (69°F). This month sees an average humidity of 83%, offering a crisp yet comfortable atmosphere. Visitors may encounter approximately 111 mm (4.4 in) of precipitation over about 10 days, creating a refreshing backdrop for exploring the area’s natural beauty. With its stunning landscapes and serene vibe, October is a perfect time to enjoy the charming essence of Itoshima.

October Temperature in Itoshima

In October, Itoshima experiences a delightful transition as temperatures begin to cool from the peak summer heat. With minimums around 12°C (54°F) and averages reaching 20°C (69°F), the city showcases a pleasant and mild climate, ideal for outdoor activities and enjoying its beautiful landscapes. The maximum temperatures can still hover around a warm 30°C (87°F), hinting at the lingering warmth of summer. As autumn sets in, this month marks a comfortable middle ground, making it a perfect time for visitors to explore the region's beautiful scenery and seasonal festivities before the chill of winter begins to settle in.

October Weather in Itoshima: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Itoshima, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Itoshima, October typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec464653596874818477685849
Data source: Temperature data for Itoshima generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Itoshima

October in Itoshima, Japan, sees a moderate precipitation amount of 111 mm (4.4 in), marking a slight decrease from the previous month’s 204 mm (8.1 in), as the region transitions away from the summer rains. This month averages around 10 rainy days, providing a refreshing change after the intense downpours of July and August. Interestingly, while September experiences the peak rainfall of the year, October delivers a more balanced weather pattern, hinting at the onset of autumn with its crisp air and colorful foliage. Overall, the shift to fewer rainy days while maintaining a significant accumulation suggests a seasonal adjustment as the year begins to wind down, paving the way for the drier months ahead.

October Precipitation Trends in Itoshima

The chart displays monthly precipitation patterns in Itoshima, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Itoshima, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec60781211121551843212852051115271
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Itoshima

In October, humidity in Itoshima, Japan hovers at a comfortable 83%, showcasing a slight dip from the peak levels experienced in the summer months of July and August, where humidity reached a staggering 92% and 91%, respectively. Following the high humidity of the summer, October marks a transition toward the drier autumn months, as it aligns closely with the humidity levels of September at 84% and just a notch above November's 81%. This gradual decrease highlights a return to more temperate conditions, making October a refreshing time in Itoshima, with the crisp air inviting residents and visitors to enjoy the stunning fall scenery.

October Average Humidity in Itoshima

This chart illustrates the average monthly humidity levels in Itoshima, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Itoshima is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%71%71%78%84%86%92%91%84%83%81%79%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Itoshima

As autumn sets in, October in Itoshima, Japan, sees a notable shift in UV exposure, with a UV Index of 7 categorizing it as high. This change offers a reprieve from the relentless extremes of summer, where values soared to 12 in July and August, requiring just 10 minutes for possible sunburn. Instead, October allows for a safer 25-minute burn time, akin to early spring months like February and March, which also feature elevated indices. As you enjoy the stunning fall foliage, it remains important to stay sun-aware. For more detailed insights on UV levels throughout the year, check out this link: Itoshima UV Index.

Maximum UV Index Levels in Itoshima for October

The chart shows the monthly maximum UV Index (UVI) for Itoshima in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Itoshima typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121211764
Data source: Itoshima October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

October Sunshine in Itoshima

As October unfolds in Itoshima, Japan, the region basks in 253 hours of sunlight, making it one of the sun-kissed months following the vibrant summer. The trend shows a gradual decrease from August's peak of 304 hours, as the year transitions towards its cooler months. Interestingly, while October receives less sunshine than the summer months, it still outshines the earlier part of the year, especially compared to the cold winter months ahead. With the sun shining consistently through the autumn leaves, October serves as a beautiful bridge, allowing residents and visitors to enjoy the last golden rays before the winter settles in.

Monthly Sunshine Duration in Itoshima: October Highlighted

The October sunshine duration represents the total number of hours Itoshima experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec179h232h262h281h292h280h281h304h256h253h236h216h
Data source: Itoshima October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Itoshima During October

October marks a significant transition in Itoshima, Japan, as the likelihood of sunny weather peaks at an impressive 60%. This increase stands in stark contrast to the typically overcast summer months, especially July and August, where the chances of sunshine drop to around 20% to 27%. As autumn sets in, October offers a refreshing respite with nearly double the probability of sunny days compared to the preceding months. This vibrant shift not only enhances outdoor activities but also invites locals and tourists alike to bask in the stunning autumn scenery that beautifies the region. Embrace October's sunny disposition as it invites warmth and brightness before the chill of winter arrives.

Percentage of Sunny Days in October in Itoshima

The chart illustrates the percentage of sunny days in Itoshima throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Itoshima experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%45%36%41%32%25%20%27%33%60%48%40%
Data source: Itoshima October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Itoshima in October

As October arrives in Itoshima, Japan, the city experiences a gentle ebb in daylight duration, with approximately 11 hours of sunlight each day. This month marks a transition from the sun-drenched days of summer, where daylight peaked at 14 hours in June and July, to the cooler, shorter days of winter. Following a gradual decline from the summer months, October offers a balanced blend of light, revealing a notable decrease from the vibrant 12 hours of September. As the year progresses towards November and December, daylight hours dwindle further, emphasizing the enchanting shift in seasons that characterizes this coastal paradise. Embrace the soft glow of autumn as it casts a warm light over the landscape, reminding us of nature’s rhythmic cycles.

Average Daylight Hours in Itoshima for October

The chart illustrates the variation in daylight duration in Itoshima throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 11m10h 57m11h 58m13h13h 53m14h 19m14h 6m13h 20m12h 21m11h 19m10h 25m9h 57m
Data source: Itoshima daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Itoshima

In October, the gentle breezes of Itoshima bring an average wind speed of 2.5 m/s (6 mph), marking a slight dip from the more blustery earlier months of the year. This reflects a trend where the winds become calmer after the warm summer, peaking in the spring months before settling into a more serene rhythm as autumn unfolds. As the air cools, the crispness of October provides a refreshing contrast to the warmer months, inviting both locals and visitors to enjoy the stunning coastal vistas under a gentle embrace of the autumn winds. Meanwhile, the wind speeds hint at a shift toward the invigorating gusts typical of late fall and winter, when conditions will begin to change once again.

Average October Wind Speed in Itoshima

The chart displays monthly wind speed patterns in Itoshima, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.62.93.02.91.92.52.42.62.5 m/s3.13.5
Data source: Itoshima October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Itoshima Compares to Other Months

Weather in Itoshima varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Itoshima, focusing on differences in temperature, rainfall, humidity, and UV levels.

October and January present quite contrasting weather conditions. In October, temperatures range from a mild 12°C (54°F) at night to a warm 30°C (87°F) during the day, with an average of 20°C (69°F). This month experiences higher humidity at 83% and receives 111 mm (4.4 in) of rainfall over 10 days. In contrast, January brings much colder temperatures, with lows of -1°C (30°F) and highs averaging 17°C (63°F), resulting in an average of 8°C (46°F). The precipitation decreases to 60 mm (2.4 in) over just 8 days, and the humidity falls to 75%. For more specific details on weather in January, you can check Itoshima weather in January.

October and February present contrasting weather experiences. In October, temperatures range from a mild 12°C (54°F) at night to a warm 30°C (87°F) during the day, averaging around 20°C (69°F). The month sees significant rainfall with 111 mm (4.4 in) spread over 10 days and high humidity levels at 83%. In contrast, February is much colder, with nighttime lows dipping to -1°C (31°F) and daytime highs reaching only 20°C (68°F), averaging at a cool 8°C (46°F). Precipitation is relatively lower at 78 mm (3.1 in), also spread over 10 days, but the humidity is more manageable at 71%. For a more detailed look at February weather, you can explore Itoshima weather in February.

In comparing the weather between October and March, October tends to be warmer and more humid. With temperatures ranging from a minimum of 12°C (54°F) to a maximum of 30°C (87°F) and an average of 20°C (69°F), it offers a pleasant climate, although precipitation is relatively high at 111 mm (4.4 in) over about 10 days. In contrast, March features cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 21°C (71°F), averaging just 11°C (53°F). While March has slightly more precipitation at 121 mm (4.8 in) over 11 days, its lower humidity at 71% makes it feel drier than October. For more detailed information about the weather in March, you can visit Itoshima weather in March.

October and April present distinct weather patterns that reflect the transition of seasons. In October, temperatures range from a minimum of 12°C (54°F) to a maximum of 30°C (87°F), with an average of 20°C (69°F). The month experiences about 111 mm (4.4 in) of precipitation spread over 10 days, along with relatively high humidity at 83%. In contrast, April boasts cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 26°C (79°F), averaging 15°C (60°F). Precipitation in April is slightly higher at 112 mm (4.4 in) but is spread over just 8 days, resulting in a lower humidity level of 78%. For more specific insights into April's weather, check out Itoshima weather in April.

In October, temperatures range from a mild 12°C (54°F) to a warm 30°C (87°F), with an average of 20°C (69°F). The month experiences around 111 mm (4.4 in) of precipitation over approximately 10 days, accompanied by a relatively high humidity level of 83%. In contrast, May features slightly cooler temperatures, with a minimum of 11°C (51°F), a maximum of 28°C (83°F), and an average temperature that remains stable at 20°C (68°F). However, May sees higher precipitation levels at 155 mm (6.1 in) across about 11 days, along with a comparable humidity level of 84%. For more details on the weather in May, check out Itoshima weather in May.

When comparing the weather in October and June, we can observe some notable differences. October presents milder temperatures, with a minimum of 12°C (54°F) and an average of 20°C (69°F), whereas June starts warmer, with a minimum of 17°C (63°F) and an average of 23°C (74°F). Both months have high humidity, with October at 83% and June slightly lower at 86%. Precipitation is also a factor, with October experiencing 111 mm (4.4 inches) over 10 days compared to June's 184 mm (7.3 inches) spread over 13 days. For a detailed look at June weather, you can check Itoshima weather in June. Overall, October tends to be cooler and slightly drier than the warm and wetter June.

October and July exhibit distinct weather patterns, with October generally being cooler and less humid compared to the sweltering heat of July. In October, temperatures range from a minimum of 12°C (54°F) to a maximum of 30°C (87°F), averaging around 20°C (69°F), while July boasts much warmer averages with minimums of 20°C (68°F) and maximums reaching 35°C (95°F), averaging 27°C (81°F). Furthermore, July sees a significantly higher level of precipitation, with 321 mm (12.6 in) over 18 days, compared to October's 111 mm (4.4 in) across just 10 days. The humidity levels in July are also higher at 92%, compared to October's 83%. For more insights, you can check Itoshima weather in July.

When comparing the weather in October to that of August, a noticeable change in temperature and precipitation arises. October experiences a more temperate range with minimums of 12°C (54°F) and maximums of 30°C (87°F), while August is considerably warmer, featuring minimums of 21°C (69°F) and highs peaking at 36°C (97°F). In terms of precipitation, October sees 111 mm (4.4 in) spread over 10 days, which is significantly lower than August's 285 mm (11.2 in) over 14 days. Humidity levels are also slightly reduced in October at 83%, compared to the higher 91% experienced in August. For more details on August weather, you can refer to Itoshima weather in August.

In comparing the weather of October and September, October presents milder temperatures with a minimum of 12°C (54°F), an average of 20°C (69°F), and a maximum of 30°C (87°F), whereas September experiences warmer conditions, with a minimum of 17°C (63°F), an average of 25°C (77°F), and a peak of 34°C (94°F). While October sees a decrease in total precipitation at 111 mm (4.4 in) over 10 days, September is significantly wetter with 204 mm (8.1 in) spread over 15 days. Humidity levels are relatively similar in both months, with September slightly higher at 84% compared to October's 83%. For more detailed insights into September weather specifically, you can visit Itoshima weather in September.

October and November present a transition in weather patterns, reflecting the shift from warm to cooler conditions. In October, temperatures range from a mild minimum of 12°C (54°F) to a warm maximum of 30°C (87°F), with an average of 20°C (69°F). This month experiences higher precipitation at 111 mm (4.4 in) over 10 days, combined with a humidity level of 83%.

In contrast, November sees a notable drop in temperatures, with a minimum of 6°C (42°F) and a maximum of 24°C (75°F), averaging 15°C (59°F). Precipitation also decreases significantly to 51 mm (2.0 in) over just 7 days, and humidity remains slightly lower at 81%. For more detailed insights into the November weather, you can check Itoshima weather in November.

In comparing the weather between October and December, striking differences emerge. October boasts warmer temperatures, with a minimum of 12°C (54°F) and an average of 20°C (69°F), peaking at 30°C (87°F). The month typically experiences heavier rainfall, accumulating 111 mm (4.4 in) over about 10 days, alongside higher humidity of 83%. In contrast, December sees much cooler conditions, with temperatures dropping to a minimum of 1°C (35°F) and averaging just 9°C (49°F), and a maximum of 23°C (74°F). Precipitation is also less intense, with 71 mm (2.8 in) falling over 9 days and humidity slightly lower at 79%. For those interested in a more detailed outlook, you can check Itoshima weather in December.

Compare Itoshima's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Itoshima

As October rolls in, Itoshima experiences a noticeable shift in weather, bringing a comfortable average temperature that sits well between summer's heat and winter's chill. With maximums reaching a mild 30°C and minimums dropping to a refreshing 12°C, the climate invites outdoor activities. However, be prepared for some rain with approximately 10 days of precipitation, accumulating over 111 mm, which adds to the lush autumnal atmosphere. The humidity also spikes to around 83%, creating a unique blend of warmth and moisture. This makes October particularly distinct from both the sizzling summer months and the cooler winter ahead. For more detailed insights into the weather patterns, check out Itoshima Climate.