August Weather in Seongsu, South Korea

Last updated: October 30, 2025

In Seongsu, South Korea, August presents a dynamic climate marked by a maximum temperature of 37°C (99°F) and a warm average of 26°C (79°F), creating an ideal backdrop for summer activities. Despite the inviting warmth, residents and visitors should prepare for considerable humidity reaching 93%, which can intensify the heat. August also brings 214 mm (8.4 in) of rainfall over 17 days, making it one of the wetter months of the year. With a minimum temperature dipping to 14°C (58°F) at night, the weather offers a mix of sweltering days and cooler evenings, striking a balance that characterizes this vibrant summer month.

August Temperature in Seongsu

In August, Seongsu, South Korea experiences a steamy peak in temperatures, with lows averaging 14°C (58°F) and maxing out at an impressive 37°C (99°F). This warm month stands out against the cooler months preceding it, particularly January's icy lows of -19°C (-2°F). The average August temperature of 26°C (79°F) signifies that summer is in full swing, making it one of the hottest periods of the year, as July also showcases elevated temperatures. As the month progresses, the warmth and humidity create a vibrant atmosphere, perfect for enjoying outdoor activities and soaking up the sun. Thus, August beautifully encapsulates the transition from the mildness of early summer to the sweltering heat, showcasing Seongsu's dynamic climate.

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

The chart illustrates August 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, August typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (99°F) and lows dropping to around 14°C (58°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.

August Precipitation in Seongsu

August in Seongsu, South Korea, is characterized by significant rainfall, with 214 mm (8.4 in) typically falling across 17 precipitation days. This month marks a continuation of the intense monsoonal rains that began in July, where a staggering 261 mm (10.3 in) was recorded. The consistency of wet weather throughout these months highlights a trend towards increased rainfall during late summer, providing lush greenery but also the potential for flooding. Following August, rainfall slightly decreases in September with 201 mm (7.9 in), yet still showcases the strong influence of the summer monsoon season. Overall, the data underscores a pattern of heightened precipitation that peaks during the warmest months, shaping the region's climate and landscape.

August Precipitation Trends in Seongsu

The chart displays monthly precipitation patterns in Seongsu, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Seongsu, August typically receives around 214 mm (8.4 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec2939686390131261214201674231
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Seongsu

In August, Seongsu, South Korea, experiences high humidity levels, averaging 93%, just slightly below July's peak of 95%. This month falls in the sweltering summer season, where humidity steadily climbs from a more moderate 71% in January to its annual high in mid-summer. Following August, a noticeable drop in humidity occurs, with September seeing a decrease to 80%. This trend highlights the shift from oppressive summer heat to more comfortable autumn conditions, as humidity levels begin to ease into fall, transitioning from the 87% in June to the low 76% seen in November.

August Average Humidity in Seongsu

This chart illustrates the average monthly humidity levels in Seongsu, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Seongsu is approximately 93%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Seongsu

During August in Seongsu, South Korea, the UV Index reaches a peak of 12, categorized as extreme, which means sunburn can happen in just 10 minutes. This trend of escalating UV exposure begins in the early months of the year, gradually rising from moderate levels in January and February to high levels by March. The escalation culminates in the summer months, with June and July presenting extreme conditions, before slightly tapering off in September. As you navigate this hot month, it’s crucial to take protective measures against the intense sun. For more details on UV trends throughout the year, visit Seongsu UV Index.

Maximum UV Index Levels in Seongsu for August

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

August Sunshine in Seongsu

In August, Seongsu, South Korea, basks in an impressive 286 hours of sunshine, marking a peak in the summer's radiant embrace. This month follows a pattern established since spring, where light gradually increases from 277 hours in March to a notable high in May with 304 hours, before slightly dipping as the summer wanes. The consistent warmth of summer sunlight is mirrored in the cheerful atmosphere of Seongsu, making August a vibrant time for outdoor activities. As the sun begins its retreat in September, marking 246 hours of brightness, the radiant summer days of August leave a lasting impression that carries into the autumn months.

Monthly Sunshine Duration in Seongsu: August Highlighted

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

Chance of Sun in Seongsu During August

In Seongsu, South Korea, the likelihood of basking in sunny weather takes a noticeable dip in August, with only 28% chance of sunshine. This marks a significant decline from the bright days of the previous months, particularly the warmer summer months of June and July, where the chances plummet to just 34% and 21% respectively. Interestingly, the trend shows a gradual increase in sunny days as the year progresses towards the autumn months, with October and November boasting higher probabilities of 51% and 56%. This seasonal fluctuation emphasizes the distinct characteristics of Seongsu's weather, making August one of the cloudier months, while the subsequent fall months promise clearer skies.

Percentage of Sunny Days in August in Seongsu

The chart illustrates the percentage of sunny days in Seongsu throughout the year, with August 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 August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Seongsu in August

In Seongsu, South Korea, August marks a transition in daylight duration, with the sun gracing the sky for approximately 13 hours each day. This slight decrease from the peak 14 hours experienced in June and July indicates the gradual shift towards autumn. Following a vibrant spring and summer, where daylight hours steadily increased from 10 hours in January to their zenith in mid-summer, August serves as a reminder of the changing seasons. As daylight continues to wane into September with 12 hours of sun, it beautifully foreshadows the colorful foliage and cooler temperatures that autumn brings. This rhythmic ebb and flow of sunlight highlights the dynamic tapestry of nature's cycles in Seongsu.

Average Daylight Hours in Seongsu for August

The chart illustrates the variation in daylight duration in Seongsu throughout the year, with August 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.

August Winds in Seongsu

In August, the wind in Seongsu, South Korea, settles into a gentle lull, with an average speed of 1.9 m/s (4 mph), mirroring the calmness of late summer. This marks the lowest wind speeds of the year, reflecting a notable trend as winds gradually taper off from the more dynamic months of January through April, where speeds consistently hover around 2.8 m/s (6 mph). As summer advances toward autumn, the breezy whispers of August suggest a serene shift in the atmosphere. With only a slight increase in speed to 2.4 m/s (5 mph) in September, the region appears poised for a gradual transition, gently inviting the crispness of fall while offering a tranquil moment to enjoy the waning warmth of summer.

Average August Wind Speed in Seongsu

The chart displays monthly wind speed patterns in Seongsu, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.12.42.82.82.01.91.9 m/s2.42.02.42.7
Data source: Seongsu August wind data, generated using information from the Copernicus Climate Change Service.

How August 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 August’s weather to other months in Seongsu, focusing on differences in temperature, rainfall, humidity, and UV levels.

August and January present stark contrasts in weather conditions. In August, temperatures soar with a minimum of 14°C (58°F) and can reach a sweltering maximum of 37°C (99°F), accompanied by high humidity levels of 93%. This summer month also experiences significant rainfall, with an average of 214 mm (8.4 in) over 17 days. In contrast, January is characterized by its frigid air, recording a minimum temperature of -19°C (-2°F) and an average of -1°C (31°F), with a maximum of 16°C (60°F). Precipitation is considerably less in January, totaling just 29 mm (1.1 in) over an average of 5 days, and the humidity is lower at 71%. For a closer look at winter weather, visit Seongsu weather in January.

The weather in August contrasts sharply with that of February, showcasing the dramatic seasonal changes. In August, temperatures soar with a minimum of 14°C (58°F) and average highs reaching up to 37°C (99°F), coupled with high humidity around 93%, making it feel quite sweltering. In stark contrast, February experiences a frigid climate, with temperatures plummeting to a minimum of -14°C (7°F) and averaging only 1°C (34°F), highlighting the winter chill. Additionally, February brings minimal precipitation of 39 mm (1.5 in) over just 5 days, while August sees substantial rainfall of 214 mm (8.4 in) spread across 17 days. For more details, you can view the Seongsu weather in February.

In comparing the weather of August and March, it's evident that August is significantly warmer and more humid. With average temperatures reaching 26°C (79°F) and maximums soaring to 37°C (99°F), August offers a stark contrast to March, where the average temperature is only 7°C (45°F) and can dip as low as -5°C (24°F). Additionally, August is much wetter, experiencing 214 mm (8.4 in) of precipitation over 17 days compared to March's 68 mm (2.7 in) over just 8 days. This increase in humidity is also notable, with August sitting at a high 93%, while March maintains a more comfortable 67%. For those looking to explore the weather specifics in March, check out Seongsu weather in March.

When comparing the weather in August and April, notable differences emerge in temperature and precipitation. August typically experiences much warmer conditions, with average temperatures around 26°C (79°F) and highs that can reach up to 37°C (99°F), accompanied by high humidity levels at 93%. In contrast, April offers a cooler climate, where temperatures range from a chilly min of -2°C (29°F) to a comfortable max of 28°C (83°F), with an average of 12°C (55°F). Precipitation is also considerably lower in April, totaling 63 mm (2.5 in) over just 7 days, compared to August's 214 mm (8.4 in) over 17 days. For more in-depth information, you can check out Seongsu weather in April.

When comparing the weather in August and May, notable differences emerge. August experiences significantly higher temperatures, with averages around 26°C (79°F) and maximums soaring to 37°C (99°F), while May's temperatures are much cooler, averaging 18°C (64°F) and reaching a maximum of 30°C (86°F). Additionally, August has a much higher level of precipitation, with 214 mm (8.4 in) spread over 17 days, compared to May's 90 mm (3.5 in) across only 9 days. Humidity levels also rise in August, reaching 93%, compared to May's 85%. For more detailed information about May weather, you can check Seongsu weather in May.

When comparing the weather in August and June, August tends to be significantly warmer with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 37°C (99°F), while June has milder temperatures, peaking at 33°C (91°F). Additionally, August experiences higher humidity at 93% compared to June's 87%. Precipitation is also more prevalent in August, with 214 mm (8.4 in) spread over 17 days, whereas June sees 131 mm (5.2 in) over just 10 days. For a more detailed overview, you can check out Seongsu weather in June.

In comparing the weather patterns of August and July, August experiences slightly warmer temperatures, with an average of 26°C (79°F) compared to July's 25°C (77°F). The maximum temperature in August reaches as high as 37°C (99°F), whereas in July it peaks at 35°C (95°F). Despite these warmer conditions, August has a lower total precipitation of 214 mm (8.4 in) over 17 days, compared to July's 261 mm (10.3 in), also over 17 days. Humidity levels remain relatively high in both months, with August averaging 93% and July at 95%. For more information on July's weather conditions, you can visit Seongsu weather in July.

August and September present notable differences in weather patterns. August tends to be hotter and more humid, with temperatures ranging from a minimum of 14°C to a maximum of 37°C and an average of 26°C. It also experiences significant precipitation, with 214 mm falling over 17 days and humidity levels reaching 93%. In contrast, September cools down considerably, with temperatures varying from a minimum of 8°C to a maximum of 31°C, averaging 21°C. Precipitation is slightly lower at 201 mm over 11 days, and humidity decreases to 80%. For more detailed insights on September weather, you can visit Seongsu weather in September.

August and October present a stark contrast in weather patterns. In August, temperatures range from a minimum of 14°C (58°F) to a scorching maximum of 37°C (99°F), coupled with high humidity levels at 93% and substantial rainfall of 214 mm (8.4 inches) across 17 days. In contrast, October experiences a much cooler climate with a minimum temperature dropping to 0°C (32°F) and an average of 14°C (58°F). The maximum temperature peaks at a comfortable 30°C (86°F), while precipitation decreases significantly to 67 mm (2.6 inches) over just 5 days, and humidity lowers to 78%. For a detailed overview, you can check Seongsu weather in October.

August and November showcase a stark contrast in weather conditions. August typically features warm temperatures, with minimums around 14°C (58°F) and maximums reaching up to 37°C (99°F). The month is characterized by high humidity at 93% and significant rainfall, averaging 214 mm (8.4 in) over about 17 days. In contrast, November experiences much cooler temperatures, with averages around 8°C (46°F), dipping as low as -4°C (26°F) at night. This month sees significantly less precipitation, only 42 mm (1.6 in) over 6 days, and a decrease in humidity to 76%. For a detailed look at November weather in Seongsu, check out Seongsu weather in November.

August and December present a stark contrast in weather. In August, temperatures range significantly, peaking at a sweltering 37°C (99°F) while maintaining high humidity at 93%, making it feel even warmer. The month is also characterized by frequent rainfall, with precipitation occurring on 17 days and totaling 214 mm (8.4 in). In contrast, December brings much colder weather, with average temperatures hovering around 1°C (34°F) and dropping as low as -13°C (8°F). Rainfall is minimal in December, with only 31 mm (1.2 in) over just 5 days, and humidity levels are lower at 73%. These differences highlight the seasonal extremes in the region. For more detailed weather information, visit Seongsu weather in December.

Compare Seongsu's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Seongsu

In August, Seongsu experiences a dramatic shift in weather, characterized by hot, humid days and frequent rainfall. The average temperature climbs, making it significantly warmer than other months, while the high humidity levels create a sultry atmosphere. With over half the month seeing precipitation, residents and visitors alike should brace for intermittent downpours. This month stands out not only for its warmth but also for its lush greenery brought on by the rain, making August a unique time to explore the region's vibrant landscapes. For a deeper understanding of the climate dynamics, visit Seongsu Climate.