Last updated: October 30, 2025
In Incheon, South Korea, October brings a blend of mild temperatures and notable humidity, creating a captivating autumn atmosphere. Daily maximums reach up to 28°C (82°F), while the average temperature settles around 15°C (60°F), offering pleasant conditions for outdoor exploration. As the month progresses, the mercury dips to a minimum of 2°C (36°F), hinting at the cooler days to come. Rainfall is a regular visitor, with 59 mm (2.3 in) expected over 6 days, contributing to the greenery of the landscape and the crispness in the air. Coupled with an average humidity of 79%, October in Incheon is a dynamic month, making it ideal for both locals and tourists to experience the rich tapestry of fall.
In October, Incheon, South Korea experiences a delightful shift in temperatures as it embraces the heart of autumn. The minimum temperature hovers around 2°C (36°F), while the average settles at a comfortable 15°C (60°F), and maximum highs can reach up to 28°C (82°F). This month stands out for its pleasant climate, making it markedly warmer than the preceding months of September and November, which dip into cooler ranges. As the leaves start their vibrant transformation, the combination of crisp air and favorable warmth beckons outdoor enthusiasts and nature lovers alike to relish in the stunning fall scenery across the region. The balance of mild temperatures during the day and cooler nights invites both comfort and coziness, ideal for enjoying the charm of autumn in Incheon.
In October, Incheon experiences a notable transition in its weather, marked by a precipitation total of 59 mm (2.3 in) that falls over approximately 6 days. This represents a decrease from the torrential rain typical of the preceding summer months, with July and August nearly doubling October's rainfall totals. Following the moderate rains of September, October ushers in a milder climate, hinting at the approach of winter. The precipitation pattern during this month serves as a prelude to the drier conditions of late fall, as November sees a slight reduction to 53 mm (2.1 in), underlining the general trend of decreasing rainfall as the year draws to a close.
October in Incheon, South Korea, presents a noticeable shift in humidity as it transitions from the oppressive summer months. With humidity levels at 79%, October offers a slight reprieve compared to the peak of 91% in July and August. This month experiences a drop from September's 77%, reflecting the cooling temperatures of autumn. Although still relatively humid, October's levels are more manageable, bridging the gap to the cooler months ahead. As the year progresses, an overall trend of fluctuating humidity levels is evident, with spring and summer showcasing higher percentages, while autumn and winter bring a gradual decline, suggesting a shift towards dryer air as the season transitions.
In October, Incheon, South Korea, experiences a moderate to high UV Index of 6, indicating it's time to be cautious under the sun. This month ushers in a notable shift from the extreme levels encountered during the peak summer months; however, the risk of harm from unprotected sun exposure is still significant, necessitating a burn time of about 25 minutes. As autumn progresses, the UV Index gradually declines, moving from the scorching highs of July and August — where it peaked at 11 — to this more manageable level, echoing a seasonal trend of decreasing solar intensity. For more detailed insights on UV Index trends throughout the year, check out Incheon UV Index.
UV Risk Categories
October in Incheon shines with 263 hours of sunshine, making it a perfect transition month from the vibrant summer days to the cooler autumn breeze. As the year progresses, we see a clear trend of increasing sunlight hours from January's modest 199 hours, peaking in June with an impressive 317 hours. Although there's a slight dip in sunlight as summer gives way to fall, October still boasts a respectable amount of sunshine, keeping spirits high. The gradual decrease from September's 262 hours hints at the approaching winter, yet October's warmth is a reminder of the brighter days before the cold sets in, providing a golden backdrop for leisurely strolls and outdoor gatherings in Incheon.
In October, Incheon, South Korea, experiences a 46% chance of sunny weather, reflecting a slight uptick compared to the summer months, which hover in the low 30s. This improvement signals the transition into autumn, where the crisp air often brings clearer skies. However, the likelihood of sunny days drops as the year progresses, dipping to a 42% chance in September and paving the way for sunnier conditions in the cooler months ahead. Notably, as the year draws to a close, the probability of sunshine rises again, reaching 63% by December, indicating that while October offers moderate sunshine, it’s just a precursor to the bright days that follow. Overall, October strikes a balance between lingering summer clouds and the promise of clearer autumn skies, making it a delightful time to enjoy the changing colors of the landscape.
As October arrives in Incheon, South Korea, daylight begins to wane, reflecting a steady transition from the vibrant brightness of summer. With 11 hours of daylight, October marks a gentle decline from the sun-drenched days of May through July, which bask in 14 hours and draw the city into a cozy autumn mood. This month serves as a bridge, as daylight shortens toward winter, weaving a narrative of changing seasons; after October, the daylight dips to 10 hours in November and slips to 9 hours by December. The rhythm of daylight variation encapsulates the beauty of Incheon's year, each month ushering in its unique charm, culminating in the crisp, refreshing days of fall.
As October arrives in Incheon, South Korea, the gentle breeze of the season begins to weave through the city, with an average wind speed of 2.8 m/s (6 mph). This marks a slight decrease from September's breezier 3.0 m/s and reflects a trend of waning winds as the year progresses toward winter. From the brisker months of early spring to the milder conditions of late summer, Incheon's winds tend to soften in October, offering a refreshing yet calm atmosphere perfect for autumn strolls. The wind picks up again in November, hinting at the dynamic shifts of the changing seasons, where nature's rhythm continues to dance in harmony with the cooling temperatures.
Weather in Incheon varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Incheon, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present contrasting weather patterns. In October, temperatures can range from a cool 2°C (36°F) at night to a warm 28°C (82°F) during the day, with an average of 15°C (60°F). This month also sees relatively high humidity at 79% and moderate precipitation of 59 mm (2.3 in) over about 6 days. In stark contrast, January experiences much colder temperatures, with a minimum of -16°C (3°F) and a maximum of just 12°C (54°F), averaging -2°C (29°F). This winter month is drier, with only 17 mm (0.7 in) of precipitation occurring over 2 days and lower humidity at 71%. For a closer look at weather specifics, visit Incheon weather in January.
October and February present stark contrasts in weather patterns. October enjoys a milder climate with average temperatures ranging from a pleasant 15°C (60°F) to a peak of 28°C (82°F), coupled with a higher humidity level of 79%. It experiences approximately 59 mm (2.3 in) of precipitation over about six days, making it a month of vibrant autumn colors and comfortable outdoor conditions. In contrast, February exhibits much colder temperatures, with averages around 0°C (32°F) and lows plummeting to -14°C (6°F). The humidity is lower at 65%, and the month sees only about 21 mm (0.8 in) of precipitation across four days, offering a brisk winter atmosphere. For more detailed insights into the winter climate, you can refer to Incheon weather in February.
In comparing the weather between October and March, key differences emerge in temperature and humidity. October enjoys milder temperatures, with average highs reaching 28°C (82°F) and lows around 2°C (36°F), while March sees cooler averages, with highs of only 19°C (66°F) and lows dipping to -6°C (21°F). Additionally, October experiences higher humidity levels at 79% compared to 65% in March, contributing to a more comfortable atmosphere as the fall season sets in. Precipitation is slightly higher in October, with 59 mm (2.3 in) over six days, whereas March records 44 mm (1.7 in) on five days. For more detailed insights into March weather, you can visit Incheon weather in March.
When comparing the weather of October and April, we can see notable differences. October typically enjoys a wider temperature range, with minimums around 2°C (36°F) and maximums reaching up to 28°C (82°F), while April has slightly cooler averages with minimums at 1°C (33°F) and maximums of 25°C (78°F). Both months experience similar levels of precipitation—October sees 59 mm (2.3 in) over 6 days, while April receives 49 mm (1.9 in) across the same number of days. Humidity levels are also comparable, with October at 79% and April at 75%. For a closer look at April weather in Incheon, you can visit Incheon weather in April.
October and May both experience similar maximum temperatures, reaching up to 28°C (82°F). However, October tends to have cooler mornings with a minimum temperature of 2°C (36°F), compared to May's milder 7°C (44°F). Additionally, May experiences more precipitation, totaling 107 mm (4.2 in) across 8 days, while October has 59 mm (2.3 in) over 6 days. Humidity levels are relatively comparable, with May slightly higher at 81% versus October’s 79%. For a more detailed look at May weather, check this link: Incheon weather in May.
In comparing the weather of October and June, one can observe notable differences in temperature and precipitation patterns. October experiences a broader temperature range, with minimums plummeting to 2°C (36°F) and maximums reaching up to 28°C (82°F), while June maintains a warmer vibe with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 31°C (88°F).
Precipitation is slightly higher in June, with 77 mm (3.0 in) falling over 9 days compared to October's 59 mm (2.3 in) over just 6 days. Humidity levels are also slightly elevated in June at 85%, compared to October's 79%. For a closer look at June weather specifics, you can check Incheon weather in June.
When comparing the weather in October and July, we see a significant shift in temperatures and precipitation. October experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 15°C (60°F), while July boasts much warmer conditions, with a minimum of 19°C (66°F) and an average of 26°C (78°F). In terms of rainfall, July is notably wetter, receiving 232 mm (9.1 in) over 14 days, compared to October’s 59 mm (2.3 in) across just 6 days. Additionally, July has higher humidity levels at 91%, contrasted with October’s 79%. For more details, you can check Incheon weather in July.
October and August present striking contrasts in weather patterns. October experiences cooler temperatures, with a minimum of 2°C and an average of 15°C, while August boasts much warmer conditions, with a minimum of 17°C and an average of 27°C. Precipitation levels also differ significantly; October receives 59 mm over just 6 days, while August sees a substantial 256 mm spread across 15 days, contributing to a higher humidity level of 91% in August compared to 79% in October. For a more detailed look, check out Incheon weather in August.
October weather is notably cooler than September, with minimum temperatures dropping from 11°C (53°F) in September to just 2°C (36°F) in October. While the average October temperature is 15°C (60°F), September maintains a warmer average of 22°C (72°F). Additionally, October experiences less precipitation, totaling 59 mm (2.3 in) over 6 days compared to September's 133 mm (5.2 in) over 9 days. Humidity levels remain fairly consistent, with October slightly higher at 79% compared to September's 77%. For more details on September weather, visit Incheon weather in September.
October weather tends to be milder with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 28°C (82°F), leading to an average of 15°C (60°F). The month experiences about 59 mm (2.3 in) of precipitation over approximately 6 days, and the humidity remains relatively high at 79%. In contrast, November marks a transition into cooler conditions, with temperatures dropping to a minimum of -5°C (23°F) and peaking at 21°C (69°F), giving an average of 8°C (47°F). Precipitation decreases slightly to 53 mm (2.1 in) over about 5 days, while humidity remains comparable at 80%. For more detailed weather information, you can check Incheon weather in November.
October and December present stark contrasts in weather. In October, temperatures can range from a minimum of 2°C (36°F) to a pleasant average of 15°C (60°F), peaking at 28°C (82°F) during warmer days. With 59 mm (2.3 in) of precipitation over about 6 days, the month is characterized by relatively high humidity at 79%. In contrast, December experiences much colder conditions, with temperatures dropping to a minimum of -14°C (7°F), averaging around 0°C (33°F), and a maximum of 12°C (54°F). Precipitation is notably lower at 24 mm (0.9 in), spanning just 5 days, and humidity decreases slightly to 74%. For more detailed insights on December weather, check out Incheon weather in December.
In October, Incheon experiences a delightful transformation as temperatures begin to cool from the summer highs, offering a refreshing break with a pleasant average that invites outdoor exploration. Unlike the humid summer months, October boasts a comfortable level of humidity, complemented by occasional rainfall that nurtures the region's lush landscapes. With six days of rain contributing to a total precipitation of just 59 mm, the month strikes a balance between sunny days and gentle showers, making it a perfect time to enjoy Incheon's vibrant fall foliage. For more insights on this beautiful coastal city’s weather patterns, visit Incheon Climate.