Last updated: October 30, 2025
October in Seongsu, South Korea, showcases a delightful transition into autumn, characterized by temperatures ranging from a maximum of 30°C (86°F) to a minimum of 0°C (32°F), with an average hovering around 14°C (58°F). As the month unfolds, expect to encounter some precipitation, averaging 67 mm (2.6 in) over approximately 5 rainy days, contributing to the refreshing ambiance. The city's humidity levels at 78% create a crisp and invigorating atmosphere, making it an ideal time for residents and visitors alike to explore the stunning fall foliage and vibrant local culture.
In October, Seongsu, South Korea experiences a welcome transition into cooler autumn weather, with temperatures ranging from a brisk 0°C (32°F) at night to a pleasantly mild 30°C (86°F) during the day. This significant rise from the previous months is indicative of the city's shift from the sweltering heat of summer, as average temperatures settle around 14°C (58°F). The month strikes a balance, allowing residents and visitors alike to enjoy outdoor activities amidst vibrant fall foliage. As daylight shortens, October fosters a refreshing atmosphere that marks a delightful prelude to the chillier winter months ahead, showcasing the region's remarkable seasonal contrasts.
In October, Seongsu, South Korea, experiences a notable shift in precipitation patterns, with 67 mm (2.6 in) of rain recorded over just 5 days. This marks a significant decrease from the previous months, particularly the heavy rains of summer, where July and August saw over 200 mm each. By October, the transition into autumn becomes evident, as rainfall subsides, reflecting a pattern of diminishing moisture that accompanies the cooling temperatures. This change not only signals a settling into the season but also sets the stage for the drier months ahead, as November and December continue the trend with even lower precipitation levels. Overall, October serves as a bridge, gently easing Seongsu from the wet warmth of summer into the crisp autumn air.
In October, Seongsu, South Korea experiences a moderate humidity level of 78%, marking a transition from the intense summer months. As the year progresses, humidity peaks during the sweltering summer, hitting 95% in July and 93% in August, which leads to a slight decrease in September. October’s humidity is a relief compared to those extremes, but still higher than the chillier months that follow, with November and December settling at 76% and 73%, respectively. This trend highlights a gradual decrease in humidity as the region shifts from the lingering warmth of summer to the crispness of autumn, creating a more comfortable atmosphere for outdoor activities.
As October graces Seongsu, South Korea, the UV Index settles at a moderate to high level with a reading of 7. This signals a shift from the intense summer months, where extreme UV levels peaked at 12 in July and August, necessitating caution with a mere 10 minutes of exposure before burning. With the arrival of fall, outdoor enthusiasts can enjoy longer burn times of 25 minutes in October, thanks to the reduction in UV intensity, but still need to be vigilant. The trend showcases a gradual decline in UV levels from the scorching summer, moving towards the milder indices of late autumn. To stay informed and plan your sun exposure wisely, check out the comprehensive details at Seongsu UV Index.
UV Risk Categories
In October, Seongsu, South Korea, basks in a warm tapestry of sunshine, boasting 264 hours of daylight that perfectly reflects the city's vibrant autumnal charm. As the year transitions from the lush, sun-drenched days of May and June, which recorded peak hours at 304 and 302 respectively, October maintains a comfortable balance of light, slightly lower than the summer but still inviting for outdoor exploration. This month's sunshine is a gentle reminder of the fading warmth, nestled neatly between the sun-kissed months of summer and the cooler, darker days of late fall, where November dips down to 236 hours. As nature dons its golden hues, October in Seongsu serves as a delightful interlude, encouraging both residents and visitors to savor the last rays of warmth before winter sets in.
As October arrives in Seongsu, South Korea, residents can look forward to a notable uptick in sunny weather, with a 51% chance of sunshine this month. This is a refreshing change compared to the summer months, where sunny days plummet to as low as 21% in July. Interestingly, October experiences a higher probability of sun than both the preceding month of September, which stands at 34%, and the following month, November, boasting a 56% chance. This transition into fall offers a delightful balance of warm autumn days, making it an ideal time for outdoor activities and enjoying the vibrant seasonal foliage.
As autumn settles in Seongsu, South Korea, October experiences a gentle decline in daylight, offering approximately 11 hours of sunlight each day. This marks a notable shift from the preceding summer months, where daylight peaked at 14 hours during June and July. The gradual decrease begins in September, and by October, the balance of light and darkness hints at the approaching winter. While daylight hours are shorter than in the vibrant spring and early summer, October still retains an enticing glow, bridging the warmth of summer with the cool embrace of winter. This transition is not just a shift in hours but a rhythmic dance of nature, inviting residents to savor the beauty of the season.
As October graces Seongsu, South Korea, the winds shift towards a calmer embrace, with an average speed of 2.0 m/s (5 mph). Notably, this month marks a gentle decline from the slightly breezier summer months of July and August, where the averages lingered around 1.9 m/s (4 mph). However, it's worth mentioning that October's winds are more spirited than those of June, which experienced the lowest gusts of the year at 2.0 m/s. This transitional period hints at nature's rhythm—after the vibrant summer, the autumn season ushers in a subtle stillness, setting the stage for the brisk winds of late fall and winter that follow. As leaves turn and the air cools, the soft winds of October offer a perfect backdrop to enjoy Seongsu's evolving landscape.
Weather in Seongsu varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Seongsu, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present starkly contrasting weather conditions. In October, temperatures range from a chilly 0°C (32°F) at night to a warm 30°C (86°F) during the day, with an average of 14°C (58°F). The month experiences about 67 mm (2.6 in) of precipitation over five days and maintains a relatively high humidity of 78%. In contrast, January is characterized by colder temperatures, with nighttime lows plunging to -19°C (-2°F) and daytime highs reaching a maximum of 16°C (60°F). The average temperature hovers around -1°C (31°F), and precipitation decreases to 29 mm (1.1 in) over the same five days, accompanied by a lower humidity of 71%. For a more detailed look at January weather, visit Seongsu weather in January.
October and February showcase distinct weather patterns. October typically enjoys warmer temperatures, ranging from a minimum of 0°C (32°F) to a maximum of 30°C (86°F), with an average of 14°C (58°F). In contrast, February experiences colder conditions, with temperatures dropping as low as -14°C (7°F) and peaking at 22°C (71°F), averaging just 1°C (34°F). October sees a higher level of precipitation at 67 mm (2.6 in) over five days, while February receives 39 mm (1.5 in) during the same number of days. Humidity levels are also slightly higher in October at 78%, compared to 68% in February. For more details on February's conditions, you can visit Seongsu weather in February.
In October, the weather generally boasts a wider temperature range, with minimums around 0°C (32°F) and maximums reaching up to 30°C (86°F), while the average temperature sits at 14°C (58°F). The month experiences a total precipitation of 67 mm (2.6 in) spread over approximately 5 days, accompanied by relatively high humidity at 78%. In contrast, March presents a cooler climate, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 23°C (74°F), averaging at 7°C (45°F). This month sees a similar precipitation amount of 68 mm (2.7 in) over about 8 days, but with lower humidity at 67%. For more detailed insights about March weather, check out Seongsu weather in March.
In comparing the weather between October and April, both months feature mild temperatures with an average around 12-14°C (55-58°F), though October tends to have a higher maximum at 30°C (86°F). While October experiences slightly more precipitation at 67 mm (2.6 in) over approximately 5 days, April is not far behind with 63 mm (2.5 in) spread over 7 days, making both months relatively wet. Humidity levels remain consistent at 78% in both months, creating a damp atmosphere typical of transitional seasons. For a closer look at the specifics of April weather, you can check out Seongsu weather in April.
In comparing the weather between October and May, October presents a wider temperature range, with a minimum of 0°C (32°F) and a maximum that matches May's peak at 30°C (86°F). The average temperature in October is slightly cooler at 14°C (58°F), while May enjoys a warmer average of 18°C (64°F). Precipitation is also noteworthy; October sees about 67 mm (2.6 in) over 5 days, whereas May experiences more rainfall at 90 mm (3.5 in) across 9 days, resulting in higher humidity levels in May at 85%, compared to October's 78%. For more details, you can check Seongsu weather in May.
In comparing the weather of October and June, October experiences a broader temperature range, with minimums dipping as low as 0°C (32°F) and maximums reaching up to 30°C (86°F), while June maintains milder conditions, with minimums around 10°C (51°F) and maximums peaking at 33°C (91°F). Precipitation levels are notably higher in June, with 131 mm (5.2 in) over about 10 days compared to October's 67 mm (2.6 in) spread across 5 days. Additionally, humidity is slightly higher in June at 87%, compared to 78% in October, making June feel more humid overall. For more detailed information on June weather, visit Seongsu weather in June.
Comparing the weather in October and July reveals notable differences in temperature and precipitation levels. In October, the minimum temperature dips to around 0°C (32°F), with an average of 14°C (58°F) and a maximum of 30°C (86°F). In contrast, July offers much warmer temperatures, with a minimum of 17°C (62°F), averaging 25°C (77°F), and peaking at 35°C (95°F). Furthermore, October experiences significantly less precipitation, with 67 mm (2.6 in) over just 5 days, whereas July sees a substantial 261 mm (10.3 in) spread across 17 days, making it a wetter month. Additionally, humidity levels are higher in July at 95%, compared to October's 78%. For more details on July weather patterns, you can visit Seongsu weather in July.
When comparing the weather in October and August, notable differences emerge. October experiences a broader temperature range with a minimum of 0°C (32°F) and a maximum of 30°C (86°F), leading to a more moderate average of 14°C (58°F). In contrast, August maintains warmer conditions, averaging 26°C (79°F) with temperatures peaking at a hot 37°C (99°F). Precipitation levels also significantly differ; October sees about 67 mm (2.6 in) over only 5 days, while August is much wetter with 214 mm (8.4 in) spread across 17 days. Additionally, humidity levels are higher in August at 93% compared to 78% in October. For more details about the conditions, visit Seongsu weather in August.
In comparing the weather patterns of October and September, October tends to be cooler, with average temperatures ranging from a minimum of 0°C (32°F) to a maximum of 30°C (86°F), which is significantly lower than September's range of 8°C (48°F) to 31°C (88°F). While both months experience precipitation, October sees much less rainfall—67 mm (2.6 in) over 5 days—compared to September's substantial 201 mm (7.9 in) over 11 days. Moreover, humidity levels are slightly lower in October at 78% compared to September's 80%. For a more detailed look at September weather, you can visit Seongsu weather in September.
October weather is generally warmer and more variable, with temperatures ranging from a chilly 0°C (32°F) to a warm 30°C (86°F), averaging around 14°C (58°F). In contrast, November sees a noticeable drop in temperatures, dipping to a minimum of -4°C (26°F) and averaging 8°C (46°F), with a maximum of 21°C (70°F). Additionally, October experiences higher precipitation at 67 mm (2.6 in) over about 5 days, while November is slightly drier with 42 mm (1.6 in) spread over 6 days. Humidity levels remain similar, with October at 78% and November at 76%. For more detailed insights, check out Seongsu weather in November.
October and December showcase strikingly different weather patterns. October experiences milder temperatures with a minimum of 0°C (32°F) and an average high of 30°C (86°F), while December's temperatures drop significantly, with a minimum of -13°C (8°F) and an average around 1°C (34°F). Precipitation is higher in October, totaling 67 mm (2.6 in) over five days, compared to December's 31 mm (1.2 in), also over five days. Additionally, October's humidity is slightly higher at 78% versus December's 73%, reflecting the transition from the warm fall to the chill of winter. For more details about December weather, visit Seongsu weather in December.
As October arrives in Seongsu, the weather showcases a delightful shift, presenting a blend of warm days and cool evenings. With daytime highs reaching up to 30°C and nighttime lows dipping to a brisk 0°C, this month offers a refreshing contrast to the sweltering heat of summer. Unlike the heavy rains found in other seasons, October sees a moderate precipitation of 67 mm over just 5 days, allowing for ample sunshine while maintaining a 78% humidity that keeps the air feeling crisp yet comfortable. This transitional month is not only perfect for outdoor activities but also for witnessing the vibrant autumn foliage. For more detailed insights into the seasonal weather patterns, visit Seongsu Climate.