Last updated: October 30, 2025
In Daejeon, South Korea, August weather presents a vibrant tapestry of warmth and humidity. With maximum temperatures soaring to 39°C (102°F) and an average of 27°C (80°F), the month invites outdoor activities while also emphasizing the need for hydration and shade. Nights offer a reprieve with a minimum temperature of 16°C (61°F). However, this heat is often accompanied by significant precipitation, totaling 221 mm (8.7 in) over 16 days, contributing to the region’s characteristic 91% humidity. This unique blend of heat and moisture makes August a dynamic and challenging month for residents and visitors alike.
In Daejeon, South Korea, August brings a significant shift towards summer's peak, with temperatures soaring. The minimum temperature stands comfortably at 16°C (61°F), while the average climbs to a warm 27°C (80°F), and the maximum can hit a sweltering 39°C (102°F). This month is characterized by its tropical warmth, as the city transitions from the milder temperatures of July. The rising averages showcase a trend of increasing heat, suggesting that August is one of the hottest months in Daejeon's annual cycle. Visitors can expect vibrant summer days, perfect for exploring outdoor activities amidst the bustling energy of the season.
In August, Daejeon experiences a peak in precipitation, receiving an impressive 221 mm (8.7 in) of rain over 16 days. This marks a slight increase from July’s substantial rainfall of 214 mm (8.4 in), indicating that the summer monsoon season remains in full swing. As the wettest month of the year, August highlights a significant shift from the drier, cooler winter months, where January and February see only 23 mm (0.9 in) and 35 mm (1.4 in) respectively. The consistent downpour during this time creates lush landscapes but also sets the stage for potential flooding. This trend of escalating rainfall through the summer months culminates in a noticeable transition as the region gradually shifts to the drier conditions of autumn in September with 176 mm (6.9 in) recorded.
In Daejeon, South Korea, the month of August continues the trend of peak humidity, matching the July levels at a steamy 91%. This high humidity marks the summer's climax, a stark contrast to the drier months of winter, where January and February hover around 71% and 65%, respectively. As the seasons transition, humidity levels gradually rise from the cooler spring months—April starts at a comfortable 75%, escalating through May and June to the sultry summer peak. As summer wanes, September sees a notable decline to 77%, signaling the approach of cooler autumn days. The pattern in Daejeon highlights the region’s distinct seasonal rhythm, where summer brings not only warmth but also a dense, humid atmosphere.
In Daejeon, South Korea, the UV Index reaches its peak in August, hitting an intense 12 on the scale, classifying it as extreme and necessitating a burn time of just 10 minutes. This trend of increasing UV exposure is evident as the months progress from January’s moderate levels of 3 to the scorching highs of summer. Notably, June, July, and August are consistently marked by a UV Index of 11 or higher, indicating a pressing need for sun protection. As summer wanes into September, the Index slightly decreases to 10, but remains in the very high category. This emphasizes the importance of being sun-smart throughout the summer months. For more detailed information, visit the Daejeon UV Index.
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In Daejeon, South Korea, August shines brightly with 273 hours of sunshine, continuing the trend of ample sunlight that begins in late spring. Notably, the city experiences its peak in May with 303 hours, gradually decreasing through the summer months. Despite a dip to 265 hours in July, August maintains a robust presence of sunlight, suggesting that the warmth of summer lingers slightly longer in this vibrant region. As autumn approaches, the hours typically decline, with September dropping to 243 hours. This gradual shift highlights Daejeon’s dynamic seasonal transitions, where residents can relish the lingering summer rays before the cooler months set in.
As August rolls into Daejeon, South Korea, residents and visitors alike can expect a notable dip in sunny weather, with only a 28% chance of clear skies. This period follows a steady decline in sunshine probabilities throughout the summer months, peaking in June and July at just 36%. In contrast, the month of August marks the beginning of a gradual upswing in sun chances as the year progresses towards autumn. As the seasons shift, the likelihood of sunshine increases dramatically in the following months, with October seeing a significant rise to 51% and November climbing further to 59%. Thus, while August may not shine as bright, it's a precursor to sunnier days ahead.
In Daejeon, South Korea, the month of August experiences a gradual shift in daylight duration, offering about 13 hours of sunlight. This decline marks a transition from the peak daylight of 14 hours seen in the earlier summer months of June and July. As August unfolds, the days begin to shorten, hinting at the approaching autumn; however, they still retain a generous amount of light, allowing for ample time to enjoy the vibrant summer evenings. Following this, September will further reduce daylight to 12 hours, signaling the lush greenery of summer giving way to the rich hues of fall. Overall, the pattern reflects a rhythmic ebb and flow of daylight, capturing the beauty of each season in Daejeon's ever-changing landscape.
In Daejeon, South Korea, the month of August brings a gentle breeze, with an average wind speed of just 2.1 m/s (5 mph). This calm atmosphere mirrors the overall trend seen during the summer months, where wind speeds significantly dip, coinciding with the peak heat. As the seasons transition, July and August share this serene pace, hinting at a lull before the revitalizing gusts of September pick up to 2.9 m/s (6 mph). Although the summer months may feel stiller, they provide a unique backdrop for enjoying the vibrant energy of the city, all while the autumn winds begin their approach.
Weather in Daejeon varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Daejeon, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present strikingly different weather contrasts. In August, temperatures soar with a minimum of 16°C (61°F) and reaching as high as 39°C (102°F), accompanied by significant humidity at 91% and average precipitation of 221 mm over 16 days. Conversely, January plunges into the frigid, with temperatures ranging from a chilly -19°C (-2°F) to a modest maximum of 13°C (57°F), much drier with only 23 mm of precipitation over just 4 days and humidity at 71%. For those interested in a deeper look at January conditions, you can visit Daejeon weather in January.
August and February present contrasting weather conditions. In August, temperatures range from a mild 16°C (61°F) to a scorching 39°C (102°F), with an average of 27°C (80°F). This month also sees significant rainfall, totaling 221 mm (8.7 in) over approximately 16 days, accompanied by high humidity levels of 91%. In stark contrast, February is characterized by much colder temperatures, with a minimum of -15°C (6°F) and an average of only 1°C (34°F), peaking at 21°C (71°F). Precipitation in February is considerably lower at 35 mm (1.4 in), occurring over just 4 days, and the humidity is more bearable at 65%. For more detailed information on February weather, you can check Daejeon weather in February.
The weather in August is characterized by sweltering heat, with temperatures reaching up to 39°C (102°F) and high humidity levels at 91%. The month experiences significant rainfall, averaging 221 mm over 16 days, making it one of the wettest periods of the year. In contrast, March offers a much cooler climate, with temperatures ranging from a brisk -5°C (24°F) at night to a mild 24°C (75°F) during the day. Precipitation is also significantly lower in March, totaling only 63 mm over just 7 days, coupled with a humidity level of 65%. For a detailed look at the weather conditions in March, see Daejeon weather in March.
The weather in August is characterized by warm to hot temperatures, with minimums around 16°C (61°F) and maximums reaching up to 39°C (102°F). This month experiences significant precipitation, averaging 221 mm (8.7 in) over approximately 16 days, coupled with high humidity levels at 91%. In contrast, April offers much cooler conditions, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 29°C (85°F) and an average of 13°C (56°F). Precipitation in April is considerably lower, totaling 66 mm (2.6 in) over just 6 days, along with a more moderate humidity level of 75%. For a detailed look at April weather, you can visit Daejeon weather in April.
In comparing the weather between August and May, notable differences emerge in both temperature and precipitation levels. August experiences much warmer temperatures, with an average of 27°C (80°F) and a peak reaching up to 39°C (102°F), while May has a milder average of 18°C (65°F) with a maximum of 31°C (89°F). Additionally, August is characterized by significantly higher precipitation, totaling 221 mm (8.7 in) over 16 days, compared to May’s 82 mm (3.2 in) spread across 9 days. Humidity levels are also notably higher in August at 91%, compared to 81% in May. For more detailed information about May weather, you can visit Daejeon weather in May.
When comparing the weather in August and June, one can observe notable differences in temperature, precipitation, and humidity. August typically experiences warmer conditions, with average temperatures reaching 27°C (80°F) and maximums soaring up to 39°C (102°F). In contrast, June features milder temperatures, with averages around 23°C (73°F) and highs of 35°C (95°F). Additionally, August is considerably wetter, with 221 mm (8.7 in) of precipitation over 16 days, compared to June's 97 mm (3.8 in) over just 8 days. Humidity levels are also higher in August at 91%, compared to June's 85%. For more detailed insights, you can check Daejeon weather in June.
In comparing the weather between July and August, both months exhibit similar patterns, with only slight variations in temperature and precipitation. July features a minimum temperature of 17°C (62°F) and an average of 26°C (78°F), peaking at 38°C (100°F), while August sees a slight increase in average temperature, with a minimum of 16°C (61°F) and an average of 27°C (80°F), reaching a maximum of 39°C (102°F). Precipitation in both months is closely matched, with July recording 214 mm (8.4 in) and August slightly higher at 221 mm (8.7 in), both with rainfall occurring on 16 days. Humidity remains constant at 91% throughout both months. For more detailed information about July weather in Daejeon, you can visit Daejeon weather in July.
August and September present a notable shift in weather conditions. August boasts higher temperatures, with a minimum of 16°C (61°F) and a maximum reaching up to 39°C (102°F), resulting in an average of 27°C (80°F). The month is also characterized by significant rainfall, receiving 221 mm (8.7 in) over 16 days, and a high humidity level of 91%. In contrast, September experiences a cooling trend; temperatures drop, with a minimum of 9°C (49°F) and a maximum of 30°C (87°F), bringing the average down to 21°C (70°F). Precipitation decreases as well, totaling 176 mm (6.9 in) over just 9 days, and humidity falls to a more comfortable 77%. This transition marks a significant change from the heat and humidity of summer to the milder and drier conditions of early autumn. For more detailed information on September weather, visit Daejeon weather in September.
August and October present a striking contrast in weather patterns. August is characterized by warm temperatures, with an average of 27°C (80°F) and highs reaching up to 39°C (102°F), accompanied by high humidity at 91%. This month also sees considerable rainfall, totaling 221 mm (8.7 in) over 16 days. In comparison, October offers a cooler climate, with an average temperature of 15°C (59°F) and maximums of 31°C (88°F). Precipitation drops significantly to just 68 mm (2.7 in) over 5 days, and humidity decreases to 79%. This shift marks a transition from the sweltering heat of summer to the crisp, refreshing days of autumn. For more detailed insights, you can check Daejeon weather in October.
August and November present stark contrasts in weather conditions. In August, temperatures soar with a minimum of 16°C (61°F) and an average of 27°C (80°F), peaking at a scorching 39°C (102°F), accompanied by high humidity levels of 91%. The month experiences significant rainfall, with 221 mm (8.7 in) spread over 16 days, making it one of the wettest months of the year. In contrast, November sees a dramatic drop in temperatures, where the minimum can plummet to -4°C (24°F) and the average rests at a chilly 8°C (47°F), with a maximum of only 21°C (70°F). Precipitation is minimal in November, totaling just 36 mm (1.4 in) over 5 days, coupled with slightly lower humidity at 80%. For more detailed information, you can check Daejeon weather in November.
August and December present starkly contrasting weather conditions. In August, temperatures soar, with averages around 27°C (80°F) and highs reaching up to 39°C (102°F), accompanied by high humidity levels at 91%. The month also sees significant rainfall, with 221 mm (8.7 in) falling over 16 days. In contrast, December brings a chilly climate, with average temperatures plummeting to just 1°C (34°F) and lows dropping to -14°C (6°F). Precipitation is minimal during this month, averaging only 26 mm (1.0 in) over just 4 days, and humidity levels decrease to 74%. For more detailed information, you can check Daejeon weather in December.
August in Daejeon is characterized by heat and humidity, presenting a stark contrast to the cooler months of the year. With temperatures peaking at a sweltering 39°C and an average of 27°C, this month is undoubtedly one of the hottest. The air is thick with high humidity levels reaching 91%, making the heat feel even more oppressive. Additionally, August experiences significant rainfall, with precipitation occurring on 16 days throughout the month, which contributes to the overall muggy atmosphere. For a deeper understanding of how Daejeon's climate shifts seasonally, please visit Daejeon Climate.