Last updated: October 30, 2025
August in Wonju, South Korea is characterized by its hot and humid climate, with temperatures soaring to a maximum of 37°C (99°F) and averaging a comfortable 25°C (77°F). While the minimum temperature can drop to a cool 13°C (56°F), the month is marked by significant precipitation, totaling 258 mm (10.2 in) over 17 days. The high humidity level of 91% contributes to the sultry atmosphere, making it essential for residents and visitors alike to prepare for an unpredictable but vibrant summer experience.
In Wonju, South Korea, August marks the peak of summer, showcasing warm and sultry conditions. The temperatures range from a mild 13°C (56°F) at night to a scorching 37°C (99°F) during the day, with an average of 25°C (77°F) that invites both locals and visitors to enjoy outdoor activities. This month stands out as the warmest in the year, following a gradual rise from cooler months like April and May, where average temperatures linger more comfortably in the teens and low twenties. As the intense heat of August transitions into the cooler winds of September, it becomes a vibrant time for exploring the natural beauty and cultural offerings of Wonju, all under the bright summer sun.
In August, Wonju, South Korea, experiences its highest precipitation of the year, with an impressive 258 mm (10.2 in) of rainfall. This month marks a peak in both the amount and the number of rainy days, accumulating over 17 days of rainfall. Following a particularly wet July, the trend continues into August, reflecting the region's summer monsoon season where showers and thunderstorms are prevalent. This significant uptick in precipitation not only replenishes local waterways but also nourishes the lush greenery that defines the landscape during this vibrant season. As summer wanes, the rainfall gradually tapers off, signaling the start of drier months ahead.
In August, Wonju experiences its peak humidity, holding steady at 91%—a trend first set in July and echoed in June. As summer reaches its zenith, the atmosphere becomes particularly stifling, which can be attributed to the preceding months of increasing moisture. This high humidity is part of a broader pattern that shows a gradual rise starting from January's relatively comfortable 71%, peaking in the height of summer and then tapering off with the arrival of fall. By September, humidity levels begin to decline sharply, falling to 77%, signaling a transition to milder conditions as the year progresses.
In August, Wonju, South Korea experiences its peak UV Index at a striking 12, categorizing it as extreme. This significant surge from the previous month's UV Index of 11 highlights the heightened risk of skin damage, requiring a burn time of just 10 minutes. The summer months show a clear trend of increasing UV levels, with June and July both recording an index of 11. As the hottest part of the year, August demands careful sun protection practices to mitigate the effects of the intense rays. Understanding the trends in UV exposure, especially as summer transitions to fall, can help residents and visitors stay safe under the sun. For more details, check out the Wonju UV Index.
UV Risk Categories
August in Wonju, South Korea, offers 264 hours of sunshine, a delightful glimpse of summer before the arrival of autumn. This month typically sees a gradual decline in sunlight compared to the sun-soaked days of June, which boasts the highest at 310 hours. While August's sunshine is notably less than the peak summer months, it still provides a bright and warm environment, making it a perfect backdrop for enjoying outdoor activities. As the season transitions into September with 251 hours of light, the gently waning sunshine signals the changing of the guard to crisp fall days ahead. Overall, Wonju’s August light showcases a vibrant summer finale that invites both relaxation and exploration before cooler temperatures take hold.
In Wonju, South Korea, the likelihood of sunny weather sees a notable decline as summer progresses, with August recording just a 25% chance of sunshine. This drop marks the lowest point of the year, following a series of diminishing probabilities from 56% in January to only 29% in July. The trend suggests that while the early months of the year offer a higher likelihood of sun, the latter summer months—including August—bring increased cloud cover and precipitation. Enthusiasts of bright, sunny days may want to plan their outdoor activities earlier in the season, as the return of sunnier skies is more promising in the cooler months, making October and beyond more favorable for sun seekers.
As summer begins to wane, August in Wonju, South Korea offers a delightful blend of warmth and diminishing daylight, with approximately 13 hours of sunlight. This month marks a slight decrease from the 14 hours recorded in July, signaling a subtle transition toward autumn. The trend through the year shows a steady increase in daylight from a modest 9 hours in January, peaking at 14 hours during the lush summer months of June and July. As the days gradually shorten, September reveals about 12 hours of daylight, foreshadowing the brisker, shorter days of fall. This rhythmic dance of light not only enhances the beauty of each season but also invites residents to savor the lingering warmth of summer before the approach of cooler months.
In August, the breeze in Wonju, South Korea can feel quite gentle, with an average wind speed of just 1.7 m/s (4 mph), slightly picking up from the calm of July. This month marks a transition into late summer, where the wind tends to swirl a bit more, yet remains soft compared to earlier months. Interestingly, the trend shows a gradual decrease in wind speed from the peak winter months, moving from 2.5 m/s in January to this serene summer calm. Following August, a modest increase is anticipated in September with speeds rising to 2.0 m/s, hinting at the onset of autumn. As seasons change, the winds of Wonju tell a story of fluctuation, bringing warmth and lightness to the summer air before the briskness of fall arrives.
Weather in Wonju varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Wonju, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present stark contrasts in weather conditions. In August, temperatures can soar to a maximum of 37°C (99°F) with an average of 25°C (77°F), accompanied by high humidity at 91% and considerable rainfall of 258 mm over 17 days. This creates a hot and humid atmosphere typical of summer. In contrast, January experiences frigid temperatures that plunge to a minimum of -20°C (-3°F), with an average of -3°C (28°F) and a maximum of just 12°C (54°F). Precipitation is minimal at 24 mm over just 4 days, and humidity is lower at 71%. The drastic drop in temperature and humidity marks January as a stark departure from the warmth of August. For more details, check out Wonju weather in January.
In comparing the weather between August and February, it's clear that they present starkly different climatic conditions. August experiences much warmer temperatures, with an average of 25°C (77°F) and highs reaching up to 37°C (99°F), accompanied by high humidity levels of 91%. In contrast, February is significantly colder, with an average temperature of 0°C (32°F) and lows that can plunge down to -17°C (2°F). The precipitation also varies greatly; August sees 258 mm (10.2 in) over 17 days, while February has a mere 32 mm (1.2 in) over just 4 days. For a more detailed look at February weather, you can check out Wonju weather in February.
When comparing the weather in August and March, a stark contrast emerges. August features significantly warmer temperatures, with a minimum of 13°C (56°F) and reaching up to a sweltering 37°C (99°F), while March presents a more frigid climate, starting at lows of -6°C (21°F) and climbing to a maximum of 21°C (70°F). The humidity in August is notably higher at 91%, contributing to the feeling of mugginess, while March experiences a much more comfortable humidity level of 64%. Additionally, August sees considerable precipitation, with 258 mm (10.2 in) falling over 17 days, in contrast to March's comparatively dry conditions with only 64 mm (2.5 in) across 7 days. For a more detailed look at March weather, you can visit Wonju weather in March.
When comparing the weather in August and April, it's clear that these months present stark contrasts. August boasts a warm average temperature of 25°C (77°F) with highs reaching up to 37°C (99°F), making it the hotter period of the year. However, it also comes with significant rainfall, averaging 258 mm (10.2 in) over 17 days and a high humidity level of 91%. In contrast, April offers a much cooler climate with an average temperature of 12°C (53°F), ranging from a chilly minimum of -3°C (27°F) to a pleasant maximum of 27°C (81°F). Additionally, April has considerably less rainfall, totaling just 83 mm (3.3 in) over 7 days and lower humidity at 74%. For more detailed information about April weather, visit Wonju weather in April.
In comparing the weather between August and May, August showcases significantly warmer temperatures, with an average of 25°C (77°F) and highs reaching up to 37°C (99°F), contrasted with May's more moderate average of 17°C (63°F) and a maximum of 31°C (88°F). Additionally, August experiences a much higher precipitation level of 258 mm (10.2 in) over 17 days, compared to May's 110 mm (4.3 in) over just 10 days. Despite being warmer, August's humidity is notably high at 91%, whereas May has a more comfortable humidity level of 79%. For more detailed information about May weather, visit Wonju weather in May.
In comparing the weather conditions of August and June, August tends to be significantly warmer and wetter. The minimum temperature in August is a comfortable 13°C, rising to an average of 25°C, and peaking at a scorching 37°C. In contrast, June starts off cooler with a minimum of 10°C, an average of 21°C, and a maximum of 33°C. Furthermore, August experiences substantial rainfall, totaling 258 mm over 17 days, while June sees only 92 mm across 9 days, indicating that August is not only hotter but also much more humid at 91%, compared to June's 82%. For a more detailed look at June's weather, you can visit Wonju weather in June.
The weather in August tends to be slightly warmer than in July, with average temperatures remaining consistent at 25°C (77°F), but with a higher maximum temperature of 37°C (99°F) compared to July's 35°C (95°F). While both months feature high humidity levels at 91%, August sees increased rainfall, with 258 mm (10.2 in) over 17 days, surpassing July's 242 mm (9.5 in) over 16 days. This means August can feel more humid and rainy, while July offers slightly cooler conditions. For more detailed weather information, check out Wonju weather in July.
August and September present a notable shift in weather conditions. August typically sees much warmer temperatures, with a minimum of 13°C (56°F) and a maximum reaching up to 37°C (99°F), while September's temperatures drop to a minimum of 6°C (44°F) and a maximum of 29°C (85°F). Precipitation levels also differ significantly; August receives 258 mm (10.2 in) of rain over 17 days, compared to September's 154 mm (6.1 in) over just 10 days. Additionally, humidity levels are higher in August at 91%, whereas September enjoys slightly more comfortable conditions at 77%. For a more detailed look at the weather in September, visit Wonju weather in September.
August and October showcase a striking contrast in weather. In August, temperatures soar with a minimum of 13°C and an average of 25°C, peaking at a sweltering 37°C. The month is also characterized by significant humidity at 91% and considerable rainfall, with 258 mm spread over 17 days. In stark comparison, October experiences much cooler weather, with temperatures ranging from a minimum of -1°C to a maximum of 28°C, averaging just 13°C. Precipitation drops dramatically to 67 mm over only 6 days, and humidity levels decrease to 78%. The transition from the heat of August to the chill of October is palpable, making for a refreshing change. For more details on October weather, visit Wonju weather in October.
August and November present stark contrasts in weather conditions. In August, temperatures can range significantly, with a minimum of 13°C (56°F) and soaring averages around 25°C (77°F), reaching up to a sweltering 37°C (99°F). This month is also characterized by high humidity at 91% and considerable rainfall, accumulating 258 mm (10.2 in) over 17 days. In sharp contrast, November offers a much cooler climate, with temperatures dipping to a minimum of -7°C (20°F) and averaging around 6°C (43°F), peaking at a pleasant 20°C (68°F). Precipitation is significantly lower in November, with only 52 mm (2.1 in) over just 6 days and humidity levels at 80%. For more detailed insights into November's weather, check out Wonju weather in November.
In August, the weather is characterized by warm temperatures, with minimums around 13°C (56°F) and maximums reaching up to 37°C (99°F), providing an average of 25°C (77°F). The month is quite humid as well, with a staggering humidity level of 91% and significant rainfall measuring 258 mm (10.2 in) across approximately 17 days. In contrast, December experiences frigid conditions, with temperatures plunging to a minimum of -24°C (-11°F) and a maximum of just 12°C (53°F), yielding a much cooler average of -1°C (30°F). Precipitation is also significantly reduced to 25 mm (1.0 in) over just 5 days, and humidity levels are lower at 76%. For those interested in more details, you can check out Wonju weather in December.
As August unfolds in Wonju, the weather takes a distinct turn, bringing warmth and humidity that contrasts sharply with the milder months. With temperatures soaring, reaching up to a sweltering 37°C (99°F), August is the peak of summer, offering a vibrant and energetic atmosphere. However, it also brings its share of rainfall, with nearly half the month experiencing precipitation, resulting in a humid ambiance that can feel quite stifling at times. Compared to the cooler, drier conditions of other months, August’s lush and muggy characteristics create a unique climate experience. To learn more about Wonju's weather trends throughout the year, visit Wonju Climate.