August Weather in Gwangju, South Korea

Last updated: October 30, 2025

In August, Gwangju, South Korea, experiences a warm and humid climate, characterized by a maximum temperature reaching 37°C (99°F) and an average of 26°C (80°F). The weather can be quite variable, with minimum temperatures dropping to 14°C (58°F), creating notable daily fluctuations. This month also brings significant rainfall, with a total precipitation of 199 mm (7.8 in) spread over 15 days. The humidity level is notably high at 93%, enhancing the sultry feel of the atmosphere. Visitors should be prepared for a mix of warm days and occasional showers, making it essential to stay hydrated and plan activities thoughtfully amidst the summer's heat.

August Temperature in Gwangju

In August, Gwangju, South Korea, basks in the warmth of summer, characterized by temperatures that range from a minimum of 14°C (58°F) to a scorching maximum of 37°C (99°F). The average temperature during this month reaches a comfortable 26°C (80°F), making it one of the hottest periods of the year. This significant rise in temperature from the cooler months highlights a clear trend as the city transitions from the refreshing breezes of spring to the intense heat of late summer. With July already setting the stage with maximums reaching 35°C (96°F), August escalates this sultry theme, showcasing a robust climb that invites locals and visitors alike to enjoy outdoor adventures, vibrant festivals, and the lush scenery that thrives under the summer sun. As the sun sets, the warm evenings provide a perfect backdrop for relaxing under the stars, emphasizing Gwangju's vibrant summer atmosphere.

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

The chart illustrates August temperature patterns in Gwangju, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gwangju, August typically has an average temperature of 26°C (80°F), with highs reaching up to 37°C (99°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec323646556472788070594735
Data source: Temperature data for Gwangju 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 Gwangju

In August, Gwangju, South Korea, experiences substantial rainfall, with an average precipitation of 199 mm (7.8 in) spread over 15 days. This heavy downpour follows a record-setting July, which sees even more rain at 242 mm (9.5 in). The wet summer months highlight a notable trend in Gwangju's climate, as both July and August account for the region's peak precipitation, showcasing the intensity of the monsoon season. With the rainy days tapering off in September, where the precipitation slightly increases to 204 mm (8.0 in) but over fewer days, it signals a shift from the summer deluge toward a gradual dry down, setting the stage for the drier months ahead.

August Precipitation Trends in Gwangju

The chart displays monthly precipitation patterns in Gwangju, 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 Gwangju, August typically receives around 199 mm (7.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec3133706692157242199204743430
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Gwangju

In Gwangju, South Korea, August brings a notable humidity level of 93%, underscoring the peak of summer's sultry embrace. This month follows July's staggering 95%, marking a slight but significant drop as temperatures begin to wane. Humidity steadily rises from a moderate 67% in March to a peak in the hot summer months, showcasing a seasonal trend wherein the transition from spring to summer yields increasingly steamy conditions. As autumn approaches in September, humidity decreases to 80%, hinting at the impending relief from the oppressive dampness. This trend paints a vivid picture of Gwangju's summer climate, characterized by high humidity that is a defining feature of its weather pattern.

August Average Humidity in Gwangju

This chart illustrates the average monthly humidity levels in Gwangju, 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 Gwangju 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 Gwangju

In August, Gwangju, South Korea experiences an extreme UV Index of 12, with a notably short burn time of just 10 minutes—indicating the need for serious sun protection. This month continues the trend established in July when the UV levels peak alongside the summer heat. The period from April to August shows a significant escalation in UV intensity, rising from a very high index of 9 in April to the current extreme levels. This pattern highlights the increasing sun exposure as summer progresses, making it essential for residents and visitors to stay vigilant against UV radiation. For more details on Gwangju's UV trends throughout the year, visit Gwangju UV Index.

Maximum UV Index Levels in Gwangju for August

The chart shows the monthly maximum UV Index (UVI) for Gwangju 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 Gwangju typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec45791011121210753
Data source: Gwangju 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 Gwangju

In Gwangju, South Korea, August shines brightly with an impressive 302 hours of sunshine, continuing the warm trend established in the previous months. This summer month follows the peak of 308 hours in June, making it part of a vibrant season where daylight lingers luxuriously. As spring transitions to summer, hours of sunshine steadily rise from 276 hours in March to peak in June, before slightly dipping in July. Despite the minor decrease, August remains one of the sunniest months, complementing the lush landscapes and vibrant city life that flourish under its golden rays. Looking ahead, the sun will begin to wane from September onward, transitioning the atmosphere in Gwangju towards a more temperate autumn.

Monthly Sunshine Duration in Gwangju: August Highlighted

The August sunshine duration represents the total number of hours Gwangju 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.
JanFebMarAprMayJunJulAugSepOctNovDec190h236h276h288h305h308h292h302h258h268h237h231h
Data source: Gwangju August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gwangju During August

In Gwangju, South Korea, the likelihood of sunny weather in August tends to drop, with a mere 26% chance of sunshine, marking it as one of the less favorable months for clear skies. This trend follows a gradual decline beginning in June, which sees a 29% chance, and plunging further in July to just 17%. While the summer months generally bring warmer temperatures, the chances for sunny days dwindle, creating a contrast to the higher probabilities found in the autumn months, where sunshine becomes more frequent again. With the overall shifting pattern from late spring's moderate sunshine to the cloud-laden days of summer, August stands out as a month where the sun may play a less prominent role.

Percentage of Sunny Days in August in Gwangju

The chart illustrates the percentage of sunny days in Gwangju 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 Gwangju experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%43%32%40%38%29%17%26%29%48%54%49%
Data source: Gwangju August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gwangju in August

In Gwangju, South Korea, the pattern of daylight duration showcases a gradual shift across the year. Starting with 10 hours in January and February, the days begin to lengthen with the arrival of spring, reaching a peak of 14 hours by June through July. As summer fades, August sees a slight dip in daylight, offering 13 hours, while September ushers in shorter days with 12 hours. This gradual decline continues into the cooler months, where daylight dwindles to 10 hours by November and further down to a mere 9 hours in December. This rhythmic ebb and flow in sunlight not only marks the changing seasons but also reflects the natural cycle of Gwangju's climate and daylight.

Average Daylight Hours in Gwangju for August

The chart illustrates the variation in daylight duration in Gwangju throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 4m10h 53m11h 58m13h 4m14h14h 28m14h 14m13h 25m12h 22m11h 16m10h 18m9h 49m
Data source: Gwangju daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Gwangju

In August, Gwangju experiences a notable drop in wind speed, averaging just 1.7 m/s (4 mph), making it one of the calmest months of the year. This tranquil breeze stands in stark contrast to the bustling energy of summer, as wind speeds have steadily decreased since June, where they peaked at 1.9 m/s (4 mph). Following August, wind speeds begin to pick up again in September, averaging 2.1 m/s (5 mph), hinting at the seasonal transition towards autumn. Overall, the trend reveals a gradual decline in wind activity during the height of summer, providing Gwangju with a serene atmosphere perfect for enjoying the locale's vibrant culture and stunning landscapes.

Average August Wind Speed in Gwangju

The chart displays monthly wind speed patterns in Gwangju, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.63.02.42.82.81.92.01.7 m/s2.12.02.42.7
Data source: Gwangju August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Gwangju Compares to Other Months

Weather in Gwangju varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Gwangju, 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), an average of 26°C (80°F), and a maximum reaching up to 37°C (99°F). This month is also marked by high humidity at 93% and significant rainfall, totaling 199 mm (7.8 inches) over approximately 15 days. On the other hand, January brings frigid temperatures, where the minimum drops to -22°C (-8°F) and the average hovers around 0°C (33°F), peaking at 17°C (62°F). Precipitation is minimal in January, with only about 31 mm (1.2 inches) falling over 5 days, and humidity levels are considerably lower at 71%. For more detailed information on January weather, you can check Gwangju weather in January.

August and February present starkly contrasting weather conditions. In August, temperatures can soar, with a minimum of 14°C (58°F) and a maximum of 37°C (99°F), averaging around 26°C (80°F). The month is characterized by high humidity at 93%, along with considerable rainfall, totaling 199 mm (7.8 inches) over about 15 days. In contrast, February features a much colder climate, with temperatures ranging from a minimum of -12°C (12°F) to a maximum of 22°C (72°F), and an average of just 2°C (36°F). Precipitation is significantly lower at 33 mm (1.3 inches) over only 5 days, and humidity stands at 68%. For more details on February weather, you can check Gwangju weather in February.

August and March present stark contrasts in weather conditions. In August, temperatures soar, with averages around 26°C (80°F) and highs reaching up to 37°C (99°F), while the humidity climbs to a muggy 93%. This month also receives significant rainfall, with about 199 mm (7.8 in) across approximately 15 days. In contrast, March brings much cooler weather, with average temperatures at 8°C (46°F) and a maximum of 23°C (74°F). This month is much drier, experiencing only 70 mm (2.8 in) of precipitation over about 7 days, and a lower humidity level of 67%. For more detailed information, you can check Gwangju weather in March.

When comparing the weather in April and August, it is clear that these two months offer vastly different climates. April experiences cooler temperatures, with a minimum of -3°C (26°F) and an average of 13°C (55°F), while August boasts much warmer conditions, featuring a minimum of 14°C (58°F) and an average of 26°C (80°F). Precipitation also varies significantly; April receives only 66 mm (2.6 in) over approximately 6 days, contrasting sharply with August's 199 mm (7.8 in) across 15 days, making it a much wetter month. Additionally, humidity levels are higher in August at 93%, compared to April's 78%. For more detailed information on April's weather, you can visit Gwangju weather in April.

August weather presents a stark contrast to that of May, with much warmer temperatures and higher humidity levels. In August, temperatures can soar to a maximum of 37°C (99°F), averaging around 26°C (80°F), while May remains significantly cooler, with highs reaching only 32°C (89°F) and an average of 18°C (64°F). Additionally, August experiences considerably more precipitation, totaling 199 mm (7.8 in) over 15 days, compared to May's 92 mm (3.6 in) over just 8 days. This makes August not only hotter but also more humid, with humidity levels peaking at 93% compared to 85% in May. For those interested in the specifics of May's climate, detailed information can be found here: Gwangju weather in May.

In comparing the weather patterns of August and June, we see notable differences in both temperature and precipitation. August experiences higher temperatures, with a minimum of 14°C (58°F) and an average of 26°C (80°F), peaking at a maximum of 37°C (99°F). In contrast, June is generally cooler, boasting a minimum of 10°C (50°F), an average of 22°C (72°F), and a maximum of 33°C (91°F). Additionally, August is characterized by more frequent rainfall, with 199 mm (7.8 in) of precipitation over 15 days, while June sees less rain, totaling 157 mm (6.2 in) across 9 days. The humidity is also higher in August at 93%, compared to June's 87%. For more detailed information, you can visit Gwangju weather in June.

In comparing the weather of August and July, both months exhibit warm temperatures, but August tends to be slightly hotter overall. August has a minimum temperature of 14°C (58°F) and an average of 26°C (80°F), with a maximum reaching up to 37°C (99°F), whereas July's minimum is a bit higher at 16°C (62°F) and its average temperature is 25°C (78°F) with a maximum of 35°C (96°F). In terms of precipitation, August receives 199 mm (7.8 in) spread over 15 days, while July experiences more rain, totaling 242 mm (9.5 in) over 17 days. The humidity levels are also quite similar, with August at 93% and July slightly higher at 95%. For more details on July's weather patterns, you can refer to Gwangju weather in July.

August and September present distinct contrasts in weather patterns. August tends to be hotter, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 37°C (99°F), and an average of 26°C (80°F). This month experiences considerable rainfall, receiving 199 mm (7.8 in) over 15 days, combined with high humidity at 93%. In contrast, September sees cooler temperatures, with a minimum of 9°C (48°F) and a maximum of 32°C (89°F), averaging 21°C (71°F). Although September has slightly more precipitation at 204 mm (8.0 in), it occurs over fewer days—just 11 days—and the humidity decreases to 80%. These transitional months highlight the shift from summer heat to the cooler, more temperate days of early autumn. For more detailed information on September weather in Gwangju, you can visit Gwangju weather in September.

In August, the weather is characterized by high temperatures, with averages reaching around 26°C (80°F) and a maximum that can soar to 37°C (99°F), accompanied by significant humidity at 93% and frequent precipitation over 15 days, totaling 199 mm (7.8 in). In contrast, October introduces a stark shift, with temperatures dropping to a minimum of 0°C (32°F) and an average of 15°C (59°F), while the maximum temperature peaks at a milder 29°C (85°F). Precipitation is also notably reduced in October, averaging only 74 mm (2.9 in) across just 6 days, and the humidity decreases to 78%. This seasonal transition reflects a significant change in climate characteristics as autumn approaches. For more detailed information, you can check Gwangju weather in October.

August and November present a stark contrast in weather conditions. In August, temperatures soar with a minimum of 14°C (58°F) and an average of 26°C (80°F), peaking at a scorching 37°C (99°F). This month also experiences high humidity at 93% and significant rainfall, totaling 199 mm (7.8 in) over 15 days. In contrast, November sees much cooler temperatures, with a minimum of -4°C (25°F), an average of 8°C (47°F), and a maximum of 22°C (72°F). The precipitation drops dramatically to just 34 mm (1.3 in) over 5 days, and humidity is lower at 76%. For more details, check out Gwangju weather in November.

August and December present starkly contrasting weather conditions. In August, temperatures soar with a minimum of 14°C (58°F) and an average of 26°C (80°F), peaking at a sweltering 37°C (99°F). The month experiences significant rainfall, with 199 mm (7.8 in) of precipitation over 15 days, and high humidity levels at 93%. Conversely, December brings a sharp drop in temperatures, with a minimum of -14°C (6°F) and an average of just 2°C (36°F), while the maximum reaches a chilly 18°C (65°F). The precipitation in December is much lower at 29 mm (1.2 in) over just 5 days, accompanied by a humidity level of 73%. For more information about Gwangju's weather during this month, visit Gwangju weather in December.

Compare Gwangju's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Gwangju

August in Gwangju stands out as a month of intense heat and high humidity, with peak temperatures soaring, creating a stark contrast to the milder weather of earlier months. This sweltering backdrop is coupled with substantial rainfall, as the city experiences a significant number of precipitation days, adding to the overall moisture in the air. The average temperature reflects a warm embrace, but it's the combination of heat and humidity that truly defines August. If you're curious about how Gwangju's weather plays out throughout the year, be sure to explore more at Gwangju Climate.