Last updated: October 30, 2025
August in Ulsan, South Korea, is characterized by hot and humid conditions, with maximum temperatures reaching up to 36°C (98°F) and an average of 27°C (81°F). Evenings bring some relief, as nighttime temperatures dip to a minimum of 19°C (66°F). This month sees substantial rainfall, with 199 mm (7.8 in) recorded across 15 rainy days, contributing to the city’s high humidity levels of 93%. Visitors should prepare for a sultry atmosphere that blends summer warmth with persistent showers, making it essential to stay hydrated and equipped for sudden downpours.
In August, Ulsan, South Korea, experiences its peak summer warmth, with temperatures reaching an impressive maximum of 36°C (98°F). The average temperature hovers around 27°C (81°F), ensuring that the month is characterized by balmy, sun-soaked days perfect for beach outings and outdoor activities. Even the nights offer a mild reprieve, with minimum temperatures rarely dipping below 19°C (66°F). This trend of rising temperatures begins in the summer months, with August often being the hottest of the year, following a steady climb from the coolness of winter and spring. As the city transitions to September, the heat gradually fades, highlighting August as the peak of Ulsan's vibrant summer climate.
August in Ulsan, South Korea, marks a significant peak in the summer rain season, with 199 mm (7.8 in) of precipitation recorded over 15 days. Despite a drop from July’s substantial 244 mm, August remains one of the wettest months of the year, representing a continuation of the trend begun in June. This period sees regular downpours as the monsoon season approaches its conclusion, contributing to the city's lush landscapes. Following August, rainfall begins to decline in September, suggesting a gradual transition from the intensive summer rains to a milder autumn climate. Overall, the pattern indicates that Ulsan experiences a dramatic surge in precipitation during the summer months, ultimately providing essential moisture for the region.
In August, Ulsan experiences a high humidity level of 93%, marking one of the peak points in the year, just shy of July's staggering 95%. This summer month reflects a consistent trend of increasing humidity, starting from a moderate 72% in January and climbing steadily, particularly from May onward. The rise in humidity is a characteristic of the region’s summer climate, creating a sultry atmosphere that lingers throughout August. As the year progresses into September, there is a noticeable drop to 80%, indicating a transition as cooler autumn months approach. This cyclical pattern highlights Ulsan's humid summers, providing residents and visitors alike with a vivid reminder of the season's intensity.
August in Ulsan, South Korea, brings a peak UV Index of 12, classified as extreme, making it crucial for residents and visitors to take sun safety seriously. This level of UV exposure persists from July, where the burn time is a swift 10 minutes, emphasizing the need for protection against skin damage during this hot summer month. Interestingly, this high level of UV radiation follows a steady climb from January's moderate index of 3 and spikes in April and May with a very high index of 10. As summer progresses towards fall, the index begins to decrease, dropping back to 10 in September. To ensure a safe outdoor experience, it's vital to stay informed and prepared. For more insights, check out the updated Ulsan UV Index.
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In August, Ulsan shines with an impressive 299 hours of sunlight, marking a peak in the summer months. This warm glow follows an upward trend, as the city experiences steadily increasing daylight hours from January's 197 hours to the heights of summer. After a gradual rise from February through to May, where daylight often exceeds 300 hours, August continues to bask in abundant sunshine. The days begin to shorten after this vibrant month, but the lingering warmth of summer can still be felt vividly as September drops to 248 hours. This trend highlights Ulsan's dynamic seasonal shifts, where summer radiance is cherished before the gradual retreat into autumn’s embrace.
In Ulsan, South Korea, the likelihood of sunny weather tends to decline as summer progresses, with August marking a notable low at just 24% chance of sunshine. This trend follows a pattern initiated in early summer, where July sees only a 20% chance of clear skies. As the year transitions towards autumn, the likelihood of sun gradually increases again, peaking in winter months like November at 70% and December at 77%. Therefore, while August may not offer the brightest days, the return of clearer weather later in the year provides a refreshing contrast to the summer's cloudier stretch.
In Ulsan, South Korea, the daylight duration experiences a dynamic ebb and flow throughout the year. As winter gives way to spring, the days steadily lengthen, reaching a peak of 14 hours in both May and June. This extended brightness is a joyful prelude to the summer months, which maintain a consistent 14 hours of daylight through July. Although daylight begins to wane in August, decreasing to 13 hours, the gradual transition into September marks a soft return to shorter days, showcasing a gentle decline to 12 hours. This pattern of increasing and decreasing daylight not only highlights the seasonal changes but also beautifully complements the vibrant landscape of Ulsan, inviting residents and visitors alike to relish the outdoor experiences that longer days afford.
In Ulsan, South Korea, the wind patterns in August reflect a gentle lull in the summer months, with an average wind speed of 2.9 m/s (6 mph). This slight decrease continues the trend observed since June, where breezes have become progressively softer, peaking earlier in the year. As summer transitions into autumn, September sees a resurgence in wind intensity, climbing back to 3.6 m/s (8 mph), reminiscent of the brisker conditions experienced in the winter months. Overall, August serves as a pivotal moment of calmness before the winds pick up speed again, highlighting the city’s seasonal shifts and the dynamic environment of coastal living.
Weather in Ulsan varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Ulsan, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present starkly contrasting weather conditions. In August, temperatures can soar as high as 36°C (98°F), with an average of 27°C (81°F) and humidity levels peaking at 93%. This month also experiences significant rainfall, totaling 199 mm (7.8 in) over approximately 15 days. In contrast, January features much colder weather, with temperatures ranging from a chilly minimum of -12°C (11°F) to a maximum of 16°C (62°F) and an average of just 3°C (37°F). Precipitation in January is minimal, accumulating only 32 mm (1.2 in) over about 3 days, accompanied by lower humidity levels at 72%. For more detailed information, you can visit Ulsan weather in January.
August and February present strikingly contrasting weather conditions. In August, temperatures soar with a minimum of 19°C (66°F) and an average high of 36°C (98°F), accompanied by high humidity levels at 93%. This month also sees significant rainfall, totaling 199 mm (7.8 in) over approximately 15 days. In contrast, February offers a chillier climate, with temperatures ranging from a low of -9°C (15°F) to a comfortable maximum of 23°C (73°F) and an average of just 4°C (40°F). Precipitation in February is much lighter at 39 mm (1.5 in), occurring over only 4 days, and humidity levels are lower at 67%. For a deeper insight into February weather, you can visit Ulsan weather in February.
August and March present contrasting weather conditions that highlight the extremes of seasonal change. In August, temperatures range from a minimum of 19°C (66°F) to a scorching maximum of 36°C (98°F), with an average of 27°C (81°F), creating a hot and humid atmosphere with 93% humidity. This month also sees significant rainfall, with 199 mm (7.8 in) of precipitation spread across 15 days. In sharp contrast, March offers cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 22°C (73°F), averaging around 9°C (49°F). The month is drier than August, featuring only 86 mm (3.4 in) of precipitation over 8 days and a more comfortable humidity level of 65%. For a more detailed understanding of the weather in March, you can visit Ulsan weather in March.
When comparing the weather in August and April, it's clear that August is significantly warmer and more humid. In August, temperatures can reach a maximum of 36°C (98°F) with an average of 27°C (81°F) and a high humidity level of 93%. In contrast, April experiences much cooler weather, with temperatures peaking at 26°C (80°F) and an average of only 14°C (57°F). Additionally, April sees less precipitation, with 87 mm (3.4 in) falling over just 7 days, compared to August's 199 mm (7.8 in) across 15 days. For more details on April's weather, visit Ulsan weather in April.
In comparing the weather between August and May, one can observe significant differences in temperature and precipitation. August boasts much warmer temperatures, ranging from a minimum of 19°C (66°F) to a maximum of 36°C (98°F), with an average of 27°C (81°F). In contrast, May experiences milder conditions, with temperatures varying from a minimum of 6°C (43°F) to a maximum of 33°C (92°F) and an average of 19°C (66°F).
Precipitation also differs markedly, as August sees about 199 mm (7.8 in) of rain over 15 days, while May records only 80 mm (3.1 in) across 8 days. Humidity levels reflect this tropical atmosphere in August, reaching up to 93%, compared to 83% in May. For a more detailed look at May's climate, you can visit Ulsan weather in May.
When comparing the weather of August and June, it becomes clear that August tends to be warmer and more humid. In June, temperatures range from a minimum of 13°C (56°F) to a maximum of 32°C (90°F), with an average of 22°C (72°F). In contrast, August sees notably higher temperatures, with a minimum of 19°C (66°F), an average of 27°C (81°F), and peaks reaching 36°C (98°F). Additionally, August experiences more rainfall, with 199 mm (7.8 in) of precipitation over 15 days, compared to June's 144 mm (5.7 in) in just 10 rainy days. The humidity also rises in August to 93%, up from 87% in June. For more details on June's weather, you can check Ulsan weather in June.
In comparing the weather of August and July, we see that both months experience high temperatures, with August having a slightly warmer average of 27°C (81°F) compared to July's 26°C (78°F). Interestingly, both months reach a maximum temperature of 36°C (98°F), highlighting the occasional sweltering days. However, August is characterized by somewhat lower precipitation, receiving 199 mm (7.8 in) over 15 days, compared to July’s heavier 244 mm (9.6 in) over 14 days. Humidity levels are slightly lower in August at 93%, while July maintains a higher humidity at 95%. For a more detailed look at weather patterns, you can check Ulsan weather in July.
August and September present notable contrasts in weather patterns. In August, temperatures range from a minimum of 19°C (66°F) to a maximum of 36°C (98°F), with an average of 27°C (81°F). The month is also characterized by high humidity at 93% and significant rainfall, totaling 199 mm (7.8 in) over 15 days. In comparison, September sees cooler temperatures, with a minimum of 13°C (56°F) and a maximum of 30°C (87°F), leading to a lower average of 22°C (73°F). Although it experiences slightly more precipitation at 236 mm (9.3 in) over 12 days, the humidity decreases to 80%. For more details about September weather in Ulsan, visit Ulsan weather in September.
August and October present contrasting weather patterns. In August, temperatures range significantly, with minimums of 19°C (66°F) and maximums soaring up to 36°C (98°F), averaging a warm 27°C (81°F). The month also experiences high humidity at 93% and substantial rainfall of 199 mm (7.8 in) over 15 days. In contrast, October sees a much cooler temperature range, with minimums dropping to 5°C (41°F) and an average of 17°C (63°F), while maximums reach a mild 30°C (85°F). The precipitation decreases to 100 mm (3.9 in) over just 7 days, accompanied by lower humidity at 77%. For more detailed information, you can visit Ulsan weather in October.
In August, the weather is characterized by warm temperatures, with a minimum of 19°C (66°F) and an average of 27°C (81°F), peaking at a sweltering 36°C (98°F). It is also the wettest month, experiencing substantial rainfall of 199 mm (7.8 in) across about 15 days, accompanied by high humidity at 93%.
In contrast, November brings a significant drop in temperature, with a minimum of -2°C (29°F) and an average of 11°C (52°F), reaching a maximum of 22°C (72°F). The precipitation decreases dramatically to just 21 mm (0.8 in) over 3 days, and humidity also lowers to 75%. This shift indicates a transition from the heavy, humid days of late summer to the crisp, cooler climate of late autumn. For more detailed information, you can check Ulsan weather in November.
August and December present striking contrasts in weather conditions. In August, temperatures soar with a minimum of 19°C (66°F) and an average high of 36°C (98°F), accompanied by high humidity levels at 93%. The month is characterized by frequent rainfall, totaling 199 mm (7.8 in) across 15 days. In stark contrast, December's temperatures plummet, with a minimum of -9°C (17°F), averaging just 4°C (40°F), and a maximum of 18°C (64°F). Precipitation is minimal in December, amounting to only 23 mm (0.9 in) over three days, and the humidity drops to 73%. For more details on December weather, visit Ulsan weather in December.
August in Ulsan is marked by sweltering heat and elevated humidity, creating a sticky atmosphere that sets it apart from the cooler months of the year. With maximum temperatures reaching as high as 36°C, residents and visitors experience the peak of summer warmth, while the average temperature lingers around a balmy 27°C. This month also brings notable rainfall, with precipitation occurring on 15 days, significantly contributing to the overall dampness and lush landscapes. Such contrasting conditions not only highlight the intensity of August but also serve as a reminder of Ulsan's vibrant climate. For a deeper dive into what to expect throughout the year, check out Ulsan Climate.