October Weather in Tsushima, Japan

Last updated: August 21, 2025

October in Tsushima, Japan offers a climactic blend of warm days and cooler nights. With a maximum temperature reaching up to 32°C (90°F) and a refreshing average of 19°C (66°F), visitors can enjoy a comfortable climate. As temperatures dip to a minimum of 7°C (44°F), it’s ideal for cozy evenings. However, be prepared for the high humidity level of 85%, which can make the atmosphere feel warmer. Visitors should also anticipate 246 mm (9.7 in) of rainfall over approximately 14 days, making October a month of vibrant autumn scenery with the chance of showers. Whether you're exploring the beautiful landscapes or indulging in local culture, October's weather in Tsushima is sure to create memorable experiences.

October Temperature in Tsushima

In October, temperatures in Tsushima, Japan, begin to cool down, marking the transitional shift into the fall season. With a minimum temperature of 7°C (44°F) and an average hovering around 19°C (66°F), it's a pleasant month to experience the island's stunning landscapes as the foliage changes colors. The maximum temperatures can still reach a warm 32°C (90°F), echoing the lingering warmth of summer, but as the month progresses, the chill gradually intensifies, setting the stage for the cooler months ahead. This blend of mild days and cool evenings creates an inviting atmosphere, ideal for outdoor explorations or cozy gatherings.

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

The chart illustrates October temperature patterns in Tsushima, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tsushima, 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).
JanFebMarAprMayJunJulAugSepOctNovDec414250586773808476665545
Data source: Temperature data for Tsushima generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Tsushima

In October, Tsushima experiences a substantial precipitation amount of 246 mm (9.7 in), making it one of the wetter months of the year. This rainfall occurs over an average of 14 days, contributing to the region's lush, vibrant landscapes. Notably, October's precipitation is slightly lower than the torrential July but still significant compared to the drier months that follow, such as November and December, which see a drop to just 61 mm and 68 mm respectively. This month serves as a bridge between the heavy summer rains and the more moderate conditions of late autumn, highlighting Tsushima's transition towards cooler, drier weather while still nourishing its natural beauty.

October Precipitation Trends in Tsushima

The chart displays monthly precipitation patterns in Tsushima, 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 Tsushima, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec52591511631961963842532252466168
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Tsushima

In October, Tsushima experiences a notable humidity level of 85%, offering a blend of crisp autumn air with lingering warmth. As summer fades, the humidity gradually decreases from the peak levels seen in July and August, which hover around an impressive 93% and 91% respectively. However, October's figure still reflects relatively high moisture compared to the earlier months of the year, such as March and April where humidity dips to 74% and 76%. This trend highlights Tsushima's transition into autumn, characterized by a cozy, yet humid atmosphere that sets the stage for the cooler months ahead. As the year progresses, humidity remains fairly stable, fluctuating between 82% and 87%, showcasing the region's persistent maritime influence.

October Average Humidity in Tsushima

This chart illustrates the average monthly humidity levels in Tsushima, 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 Tsushima is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Tsushima

In October, Tsushima, Japan, experiences a moderate to high UV Index, with a reading of 7. This indicates an increase from the preceding months, where the UV levels peaked at 11 during the summer, showcasing a notable transition into autumn. With a burn time of 25 minutes, it’s crucial for outdoor enthusiasts to be vigilant about sun protection during this period, even as the intensity of sun exposure begins to wane compared to the extremes of summer. As temperatures cool and foliage transforms, October invites residents and visitors to enjoy the outdoors while still being mindful of UV radiation. For more details on sun safety, visit Tsushima UV Index.

Maximum UV Index Levels in Tsushima for October

The chart shows the monthly maximum UV Index (UVI) for Tsushima 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 Tsushima typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Tsushima 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 Tsushima

In Tsushima, Japan, October shines brightly with 234 hours of sunshine, embodying a gentle transition from the vibrant summer months to the crispness of autumn. The sunshine peaks in August at 300 hours, offering a warm farewell to the heat, while October's hours linger comfortably above the earlier months of the year, such as January, with its mere 185 hours. As the seasons shift, the sunlight gradually wanes, yet October's golden glow is a reminder of the beauty that lies in the balance; it captures the essence of fall while still holding onto the warmth of the summer sun. Embracing these sunny days against the backdrop of Tsushima's stunning landscapes is a perfect way to experience the transition of the year.

Monthly Sunshine Duration in Tsushima: October Highlighted

The October sunshine duration represents the total number of hours Tsushima 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.
JanFebMarAprMayJunJulAugSepOctNovDec185h231h265h276h290h270h256h300h244h234h239h223h
Data source: Tsushima October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tsushima During October

As October unfolds in Tsushima, Japan, the likelihood of sunny weather notably increases, boasting a 56% chance of sunshine—the highest since June. This upward trend contrasts with the preceding months, particularly the summer, which saw the least sunny days. Following the warm and often cloudy months of July and August, October signals a shift towards clearer skies, paving the way for pleasant autumn outings. As the year progresses, the chances of sunshine also grow more favorable, with November even higher at 59%, making October a delightful time to soak in the beauty of the island. Enjoy the vibrant autumn foliage and the warmer sun while it lasts!

Percentage of Sunny Days in October in Tsushima

The chart illustrates the percentage of sunny days in Tsushima 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 Tsushima experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%50%44%48%26%23%31%27%29%56%59%53%
Data source: Tsushima October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tsushima in October

In October, Tsushima, Japan, enjoys a daylight duration of 11 hours, showcasing the gradual transition from the longer summer days into the shorter winter months. This decline follows a peak in May through July, where daylight stretches to a generous 14 hours, allowing for plenty of sunshine and outdoor activities. As autumn sets in, the daylight slowly recedes, shifting from 13 hours in August to 12 hours in September, and continuing to diminish in October. This pattern reflects a rhythmic ebb and flow of light throughout the year, with October marking a gentle slide into the cozy embrace of November, which sees daylight drop back to 10 hours. The shifting hours not only highlight the seasonal change but also invite residents and visitors alike to savor the beauty of autumn in this scenic locale.

Average Daylight Hours in Tsushima for October

The chart illustrates the variation in daylight duration in Tsushima throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 3m10h 53m11h 58m13h 4m14h14h 28m14h 14m13h 25m12h 22m11h 16m10h 18m9h 48m
Data source: Tsushima daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Tsushima

As October sweeps across Tsushima, Japan, the gentle winds begin to whisper a change in the atmosphere, averaging 2.2 m/s (5 mph). This slight uptick from the summer's calm breezes, which dipped to a low of 1.6 m/s (4 mph) in July, signals a transition into the breezier months ahead. While the wind speeds in October remain steady, they hint at the resilience of seasonal patterns, contrasting the mild fluctuations from spring that peaked at 3.0 m/s (7 mph) in April. As the island prepares for a shift toward cooler months, the October wind carries a sense of serenity, framing the landscape in a backdrop of tranquil movement, and inviting reflections on the beauty of nature's cyclical dance.

Average October Wind Speed in Tsushima

The chart displays monthly wind speed patterns in Tsushima, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.93.03.02.52.11.62.31.72.2 m/s2.22.5
Data source: Tsushima October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Tsushima Compares to Other Months

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

October and January present stark contrasts in weather. In October, temperatures range from a minimum of 7°C (44°F) to a warm maximum of 32°C (90°F), with an average of 19°C (66°F). This month experiences significant rainfall, with about 246 mm (9.7 in) over 14 days, coupled with high humidity at 85%. In contrast, January brings much colder weather, with temperatures dropping to a minimum of -5°C (23°F) and averaging just 5°C (41°F), peaking at 18°C (64°F). Rainfall is considerably less in January, totaling around 52 mm (2.0 in) over roughly 7 days, and humidity remains relatively lower at 82%. For more detailed information on January weather, you can visit Tsushima weather in January.

October and February present notably different weather characteristics. In October, temperatures range from a minimum of 7°C (44°F) to a maximum of 32°C (90°F), with an average of 19°C (66°F). This month sees considerable rainfall, with a total of 246 mm (9.7 in) over about 14 days and high humidity at 85%. In contrast, February is much cooler, with temperatures fluctuating between -5°C (24°F) and 22°C (71°F), averaging around 6°C (42°F). Precipitation is significantly lower in February, with only 59 mm (2.3 in) across just 6 days and a humidity level of 79%. For more information on February weather specifics, check Tsushima weather in February.

In October, the weather is typically warmer and more humid, with average temperatures ranging from a low of 7°C (44°F) to a high of 32°C (90°F). This month also sees significant rainfall, accumulating to 246 mm (9.7 in) over approximately 14 days, resulting in a humidity level of 85%.

In contrast, March experiences cooler temperatures, with a minimum of -1°C (30°F) and an average high of 25°C (77°F), which gives it a much cooler feel overall. Precipitation is lower in March at 151 mm (6.0 in) over about 11 days, with a humidity level of 74%. For more detailed information about Tsushima's weather in March, you can check Tsushima weather in March.

Overall, October's warm and humid conditions starkly contrast with the cooler, drier atmosphere of March.

October and April present distinct weather patterns, each with its unique characteristics. In October, temperatures range from a minimum of 7°C (44°F) to a maximum of 32°C (90°F), averaging around 19°C (66°F). The month tends to be quite humid, with an average of 85% humidity and significant rainfall totaling 246 mm (9.7 in) over approximately 14 days. In contrast, April experiences milder temperatures, with lows dipping to -1°C (31°F) and highs reaching 29°C (84°F), achieving an average of 14°C (58°F). Precipitation is lower in April, totaling 163 mm (6.4 in) over about 10 days, and humidity is somewhat less at 76%. For more detailed information, you can visit Tsushima weather in April.

In comparing the weather of October and May, both months exhibit similar average temperatures, hovering around 19°C (66°F) to 19°C (67°F), with maximum highs reaching up to 32°C (90°F). However, October tends to be slightly wetter, with a total precipitation of 246 mm (9.7 in) over 14 days, compared to May's 196 mm (7.7 in) across 11 days. Additionally, October has a higher humidity level at 85%, contrasted with May's 83%. If you're looking for more detailed weather insights for May, feel free to check Tsushima weather in May.

October and June both showcase warm temperatures, but October tends to experience a wider range with minimums dipping to 7°C (44°F) and maximums reaching 32°C (90°F). In contrast, June starts warmer with minimum temperatures at 12°C (54°F) and maximums peaking at 33°C (91°F). While both months receive significant rainfall, October has a higher total precipitation of 246 mm (9.7 in) compared to June’s 196 mm (7.7 in), both spread over 14 days. Humidity levels are quite similar, with October averaging 85% and June slightly higher at 87%. For more detailed insights on June weather, visit Tsushima weather in June.

When comparing the weather in October and July, we see distinct differences in temperature and precipitation patterns. October experiences milder temperatures, with a minimum of 7°C (44°F), an average of 19°C (66°F), and a maximum of 32°C (90°F). In contrast, July is significantly warmer, featuring a minimum of 20°C (67°F), an average of 27°C (81°F), and a peak temperature of 38°C (101°F).

Moreover, July sees more precipitation, with a total of 384 mm (15.1 in) over 23 days, compared to October's 246 mm (9.7 in) across 14 days. Humidity levels are also higher in July at 93%, while October has a relative humidity of 85%. For a detailed view of the weather patterns during July, you can check Tsushima weather in July.

October marks a transition in weather patterns, characterized by cooler temperatures, with a minimum of 7°C (44°F) and an average of 19°C (66°F), while August experiences much warmer conditions, featuring a minimum of 19°C (67°F) and an average of 29°C (84°F). In terms of precipitation, October sees slightly less rainfall at 246 mm (9.7 in) over 14 days compared to August's 253 mm (10.0 in) spread over 16 days. Humidity levels are also high in both months, with October at 85% and August slightly higher at 91%. For more details on August weather, you can visit Tsushima weather in August.

When comparing the weather in October to that of September, October tends to be cooler with a minimum temperature of 7°C (44°F) and an average of 19°C (66°F), while September showcases warmer conditions, with minimums around 12°C (54°F) and an average temperature of 25°C (76°F). Although both months experience significant rainfall, October has slightly more precipitation at 246 mm (9.7 in) over 14 days compared to September's 225 mm (8.9 in) across 16 days. Additionally, humidity remains high in both months, with October sitting at 85% and September at 87%. For more detailed insights into September's weather, you can visit Tsushima weather in September.

October weather tends to be warmer and more humid compared to November, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 32°C (90°F) and an average of 19°C (66°F). This month also sees significant precipitation, totaling 246 mm (9.7 in) over about 14 days, contributing to a high humidity level of 85%. In contrast, November experiences cooler temperatures, with a minimum of 1°C (33°F), an average of 13°C (55°F), and a maximum of 24°C (76°F). Precipitation in November drops to 61 mm (2.4 in) over just 5 days, and humidity remains relatively constant at 83%. For more details, check out Tsushima weather in November.

October and December showcase a stark contrast in weather conditions. In October, temperatures range from a minimum of 7°C (44°F) to a scorching maximum of 32°C (90°F), with an average of 19°C (66°F). This month experiences significant rainfall, with 246 mm (9.7 in) of precipitation spread over 14 days and high humidity levels at 85%. In contrast, December brings much cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 20°C (68°F), averaging just 7°C (45°F). Rainfall is considerably lower at 68 mm (2.7 in) over only 7 days, while humidity remains slightly lower at 83%. For more details on winter conditions, you can check Tsushima weather in December.

Compare Tsushima's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Tsushima

October in Tsushima marks a transition into cooler, more comfortable weather as summer fades. While temperatures can still peak at a warm 32°C, they generally average around a pleasant 19°C, providing a refreshing break from the heat. With around 246 mm of rainfall spread over 14 days, October is notably wetter than the preceding months, contributing to a lush landscape. The high humidity, averaging 85%, adds a distinct atmosphere, making this month feel both vibrant and alive. For a deeper dive into Tsushima's weather patterns, be sure to check out Tsushima Climate.