July Weather in Seongsu, South Korea

Last updated: October 30, 2025

In July, Seongsu, South Korea, experiences a vibrant and humid summer, with temperatures soaring to a maximum of 35°C (95°F) and an average of 25°C (77°F). The evenings offer a reprieve, dropping to a minimum of 17°C (62°F), creating a warm yet comfortable atmosphere. However, this month is also characterized by significant rainfall, accumulating 261 mm (10.3 in) across 17 days. With humidity levels reaching an impressive 95%, visitors can expect a lush and lively environment, perfect for those who appreciate the energetic pulse of a summer city soaked in both heat and rain.

July Temperature in Seongsu

In Seongsu, South Korea, July marks the peak of summer, featuring warm and humid conditions. With nighttime lows averaging around 17°C (62°F) and daytime highs soaring to an impressive 35°C (95°F), this month showcases a significant rise in temperatures compared to earlier months. The average temperature sits comfortably at 25°C (77°F), making it ideal for summer activities and outdoor adventures. This trend of rising warmth continues from June, where temperatures already began to climb, setting the stage for a vibrant and bustling July atmosphere. As residents and visitors alike embrace the summer heat, July’s balmy nights and sunny days create an inviting backdrop for exploration and enjoyment.

July Weather in Seongsu: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Seongsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seongsu, July typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (95°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec313445546471777970584634
Data source: Temperature data for Seongsu 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.

July Precipitation in Seongsu

In July, Seongsu experiences a significant surge in precipitation, with an impressive 261 mm (10.3 in) of rain falling across 17 days. This peak rainfall not only highlights July as the wettest month of the year but also reflects the region's transition into the monsoon season. Comparatively, June precedes it with 131 mm (5.2 in) over 10 days, establishing a pattern of increasing rainfall as summer progresses. The contrast in precipitation amounts clearly indicates July's role as a pivotal time for water accumulation in the area, affecting everything from local agriculture to urban planning. As August follows closely with 214 mm (8.4 in), the trend of high summer rainfall continues, giving both challenges and opportunities for the community in Seongsu.

July Precipitation Trends in Seongsu

The chart displays monthly precipitation patterns in Seongsu, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Seongsu, July typically receives around 261 mm (10.3 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec2939686390131261214201674231
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Seongsu

As the summer heat intensifies in Seongsu, South Korea, July stands out with a remarkable humidity level of 95%, making it the peak of the year. This sweltering month follows a steady incline in moisture, beginning from a moderate 71% in January to a significant 87% in June. The trend indicates that the region experiences a gradual increase in humidity leading into the summer months, with May and June both registering notably high levels of 85% and 87%, respectively. Following July, humidity slightly decreases but remains elevated at 93% in August, reflecting the lingering effects of summer's warmth. Overall, the data highlights a distinct seasonal pattern where humidity surges from late spring, reaching its zenith in the heart of summer before tapering off in early autumn.

July Average Humidity in Seongsu

This chart illustrates the average monthly humidity levels in Seongsu, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Seongsu is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%68%67%78%85%87%95%93%80%78%76%73%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Seongsu

In July, Seongsu experiences its peak UV Index at an intense 12, categorized as extreme exposure, which significantly reduces the safe sun exposure time to just 10 minutes. This trend of escalating UV levels begins in March, with a moderate index of 7, and surges dramatically through the spring into July, where both June and July maintain the extreme category. Following this peak, the UV Index remains at 12 in August before dipping to 10 in September. As the summer heat intensifies, it’s crucial for residents and visitors to stay vigilant about sun protection. For more details on UV exposure in Seongsu, check out Seongsu UV Index.

Maximum UV Index Levels in Seongsu for July

The chart shows the monthly maximum UV Index (UVI) for Seongsu in July, 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 July, the maximum UV index in Seongsu typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec457101011121210753
Data source: Seongsu July 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.

July Sunshine in Seongsu

In Seongsu, South Korea, July offers a blend of sunshine and warmth, capturing the essence of summer with 272 hours of daylight. While slightly lower than June's impressive 302 hours, July still boasts significant sunlight, aligning with the overall trend of peak solar exposure in the preceding months from May to July. Interestingly, this slight dip in sunshine hours signals a transition to the more humid and rainy season, as August bounces back with 286 hours. The data reflects a clear pattern: as spring blooms into summer, sunlight peaks, providing a vibrant backdrop for the lively atmosphere of Seongsu, where outdoor cafes and artistic spaces thrive under the sun's watchful gaze.

Monthly Sunshine Duration in Seongsu: July Highlighted

The July sunshine duration represents the total number of hours Seongsu experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec192h238h277h283h304h302h272h286h246h264h236h235h
Data source: Seongsu July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Seongsu During July

In July, Seongsu, South Korea experiences a notable dip in sunny weather, with only a 21% chance of clear skies. This marks a significant decline compared to earlier months, particularly from April to June, where the likelihood of sunshine hovers around the mid-30s to low 40s. The trend reveals that as the summer progresses, the probability of sunny days continues to decrease, peaking again only as the year transitions into autumn. Despite July's lower figures, the vibrant atmosphere of summer still offers charm, even if cloud cover is more frequent during this month.

Percentage of Sunny Days in July in Seongsu

The chart illustrates the percentage of sunny days in Seongsu throughout the year, with July 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 Seongsu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%47%37%41%37%34%21%28%34%51%56%53%
Data source: Seongsu July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Seongsu in July

In Seongsu, South Korea, July shines brightly with 14 hours of daylight, maintaining the high light levels established in June. The summer months exhibit a trend of extended daylight, peaking in July before gradually tapering off as autumn approaches. In the preceding months, March and April mark a notable increase in daylight hours, climbing from 11 to 13 hours, while May sustains the brightness with 14 hours. As the seasons shift, August sees a gentle decline, reverting to 13 hours of daylight, reflecting nature's rhythm. This gradual ebb continues into September and October when daylight diminishes to 12 and 11 hours, respectively, enveloping the region in shorter days as winter looms.

Average Daylight Hours in Seongsu for July

The chart illustrates the variation in daylight duration in Seongsu throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 1m10h 52m11h 58m13h 5m14h 3m14h 31m14h 17m13h 27m12h 22m11h 14m10h 16m9h 45m
Data source: Seongsu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Seongsu

In Seongsu, South Korea, the breezes of July signify a noticeable decline in wind speed, averaging just 1.9 m/s (4 mph). This marks a gentle dip from the preceding months, particularly in June, which offered a slightly more brisk 2.0 m/s (4 mph). As summer fully settles in, the winds become calmer, creating a serene backdrop amid the vibrant city life. Interestingly, August maintains this tranquil pace, mirroring July's gentle zephyr. This trend of lower wind speeds during the height of summer suggests a seasonal lull, contrasting sharply with the more dynamic gusts seen earlier in the year, such as the breezy peaks of February at 3.1 m/s (7 mph). As the months progress toward fall, a gradual resurgence in wind speeds seems likely, hinting at the dynamic shifts that await.

Average July Wind Speed in Seongsu

The chart displays monthly wind speed patterns in Seongsu, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.12.42.82.82.01.9 m/s1.92.42.02.42.7
Data source: Seongsu July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Seongsu Compares to Other Months

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

July and January showcase stark contrasts in weather. In July, temperatures typically range from a minimum of 17°C (62°F) to a scorching maximum of 35°C (95°F), with an average of 25°C (77°F). The month is also marked by high humidity at 95% and considerable precipitation, measuring 261 mm (10.3 in) spread over 17 days. In contrast, January experiences much colder conditions, with temperatures ranging from a frigid minimum of -19°C (-2°F) to a maximum of just 16°C (60°F), and an average temperature of -1°C (31°F). Precipitation during January is significantly lower at 29 mm (1.1 in) over just 5 days, and the humidity is relatively lower at 71%. For more details on January weather, you can refer to Seongsu weather in January.

July and February present a stark contrast in weather conditions. In July, temperatures range from a minimum of 17°C (62°F) to a scorching maximum of 35°C (95°F), with an average temperature of 25°C (77°F). This month also sees high humidity levels of 95% and significant precipitation, totaling 261 mm (10.3 in) over 17 days. In contrast, February offers a chilly atmosphere, with minimum temperatures dropping to -14°C (7°F) and an average of just 1°C (34°F). The maximum temperature reaches 22°C (71°F), which is a notable difference from the summer peak. Precipitation in February is much lower at 39 mm (1.5 in) spread over only 5 days, and humidity levels are more moderate at 68%. For a detailed look at Seongsu's February weather, visit Seongsu weather in February.

The weather in July is characterized by much warmer temperatures, with minimums around 17°C and averages reaching up to 25°C, peaking at a sweltering 35°C. In contrast, March experiences significantly cooler temperatures, with minimums plummeting to -5°C and an average of just 7°C. While July sees high humidity levels at 95% and substantial rainfall of 261 mm spread over 17 days, March has a much drier climate with only 68 mm of precipitation over 8 days and a lower humidity of 67%. For more details on March weather, visit Seongsu weather in March.

When comparing the weather in July and April, the differences are quite striking. July experiences much warmer temperatures, with a minimum of 17°C (62°F) and an average high of 35°C (95°F), while April's temperatures range from a chilly -2°C (29°F) to a mild maximum of 28°C (83°F). Additionally, July is notably wetter, with 261 mm (10.3 in) of precipitation over 17 days, compared to April's 63 mm (2.5 in) over just 7 days. Humidity also plays a significant role; July has a higher humidity level of 95%, whereas April's humidity sits at 78%. For more detailed information, you can check out Seongsu weather in April.

When comparing the weather in July and May, significant differences emerge. July boasts a much warmer average temperature, with lows of 17°C (62°F) and highs reaching up to 35°C (95°F), making it considerably hotter than May, which has a minimum of 3°C (38°F) and a maximum of 30°C (86°F). Additionally, July is characterized by higher humidity at 95%, compared to May’s 85%. Precipitation levels also vary drastically; July receives 261 mm (10.3 in) over 17 days, while May has a much more modest 90 mm (3.5 in) across just 9 days. For those interested in more detailed information, visit Seongsu weather in May.

In comparing the weather between June and July, July experiences significantly warmer temperatures, with a minimum of 17°C (62°F) and a daily average of 25°C (77°F), compared to June's cooler minimum of 10°C (51°F) and an average of 22°C (71°F). The maximum temperatures in July reach up to 35°C (95°F), slightly higher than June’s peak of 33°C (91°F). However, July also brings increased precipitation, with 261 mm (10.3 in) over 17 days, while June receives only 131 mm (5.2 in) across 10 days. Additionally, humidity levels are higher in July at 95%, compared to June's 87%. For a more detailed look at June's weather, check out Seongsu weather in June.

In comparison to July, August experiences slightly cooler temperatures, with a minimum of 14°C (58°F) compared to July’s 17°C (62°F). The average temperature in August rises to 26°C (79°F), which is marginally higher than July's average of 25°C (77°F). However, August can reach a higher maximum temperature of 37°C (99°F) versus July's peak of 35°C (95°F). Precipitation is lower in August at 214 mm (8.4 in), down from July's 261 mm (10.3 in), although both months see rainfall on 17 days. Additionally, humidity levels are slightly lower in August at 93%, compared to July's high of 95%. For more detailed information on Seongsu weather in August, refer to this link: Seongsu weather in August.

In July, temperatures tend to soar with minimums around 17°C (62°F) and maximums reaching up to 35°C (95°F), resulting in an average of 25°C (77°F). This month also experiences high humidity levels at 95% and significant precipitation, with 261 mm (10.3 in) over 17 days, making it feel quite muggy. In contrast, September brings a noticeable shift, with cooler temperatures ranging from a minimum of 8°C (48°F) to a maximum of 31°C (88°F) and an average of 21°C (70°F). Rainfall decreases to 201 mm (7.9 in) over just 11 days, and humidity falls to 80%, creating a more comfortable atmosphere. For a deeper look into September's climate, you can check Seongsu weather in September.

July and October present significantly different weather conditions. In July, temperatures range from a minimum of 17°C (62°F) to a blistering maximum of 35°C (95°F), with an average temperature of 25°C (77°F). The month is notably humid, with humidity levels reaching 95% and substantial precipitation of 261 mm (10.3 in) over 17 days.

In contrast, October experiences a much cooler climate, featuring temperatures that range from a chilly 0°C (32°F) to a pleasant 30°C (86°F), with an average of 14°C (58°F). The precipitation drops dramatically to 67 mm (2.6 in) over just 5 days, and humidity levels are also lower at 78%. For more detailed insights, you can visit Seongsu weather in October.

July and November present stark contrasts in weather conditions. July is characterized by warm temperatures, with an average of 25°C (77°F) and highs reaching up to 35°C (95°F), accompanied by high humidity levels of 95%. However, this warmth comes with significant rainfall, totaling 261 mm (10.3 in) over 17 days. In contrast, November experiences much cooler temperatures, with an average of 8°C (46°F) and a maximum of 21°C (70°F), while temperatures can dip as low as -4°C (26°F). Precipitation is also notably lower in November, at just 42 mm (1.6 in) over 6 days, along with a decrease in humidity to 76%. For more detailed information, you can check Seongsu weather in November.

In July, the weather is characterized by warm temperatures, with a minimum of 17°C (62°F) and an average high of 35°C (95°F), coupled with high humidity levels at 95%. This month is particularly rainy, experiencing 261 mm (10.3 in) of precipitation over 17 days, creating a muggy atmosphere. In contrast, December presents a strikingly different climate, with temperatures ranging from a chilly -13°C (8°F) to a mild 17°C (63°F), and an average temperature of just 1°C (34°F). The precipitation drops significantly to 31 mm (1.2 in) over only 5 days, and the humidity decreases to 73%. For more detailed information, check Seongsu weather in December.

Compare Seongsu's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Seongsu

July in Seongsu brings a dramatic shift in weather, enveloping the region in warm temperatures and high humidity. With an average temperature hovering around a balmy 25°C, residents experience the peak of summer, marked by occasional highs reaching 35°C. This month also witnesses significant rainfall, totaling about 261 mm, leading to a wet and humid atmosphere that distinguishes it from the more temperate conditions of the surrounding months. The 95% humidity can make the heat feel even more intense, creating a quintessential summer experience that is vibrant yet challenging. For a deeper dive into the seasonal trends, explore Seongsu Climate.