Last updated: October 30, 2025
In Yongsan-dong, South Korea, May showcases a blooming climate characterized by a maximum temperature reaching 32°C (89°F) and a welcoming average of 18°C (64°F). However, nights can dip to a refreshing 6°C (43°F), providing a pleasant contrast. This month also sees 111 mm (4.4 in) of precipitation spread over 9 days, contributing to a lush, verdant environment. With humidity levels averaging 81%, May in Yongsan-dong is an invigorating start to the summer season, perfect for outdoor exploration amidst vibrant city life.
In Yongsan-dong, South Korea, May marks a delightful transition to warmer weather, with temperatures reflecting a significant rise compared to the preceding months. The minimum temperature during this time starts at a comfortable 6°C (43°F), while the average temperature settles at a pleasant 18°C (64°F), offering a refreshing escape from the lingering chill of early spring. As May progresses, daytime highs can reach up to 32°C (89°F), hinting at the summer heat to come. This month stands out as a vibrant period of blossoming nature and an increase in outdoor activities, making it an ideal time for residents and visitors to soak in the sunny days and blooming scenery before the more extreme heat of summer sets in.
May in Yongsan-dong, South Korea, marks a significant shift in precipitation patterns, as this month experiences a noticeable increase in rainfall. With 111 mm (4.4 in) of precipitation spread over 9 days, May stands out as the wettest month so far this year, more than doubling the totals from April, which had 55 mm (2.2 in). This trend of escalating rainfall indicates the onset of the monsoon season, setting the stage for the much heavier downpours to follow in July and August. In contrast to the early months, where rainfall was sparse, May's wet days bring a refreshing transition, highlighting the vibrant greenery that springs to life as the weather warms.
May marks a notable increase in humidity in Yongsan-dong, South Korea, settling at 81%—a significant rise from April's 75%. This upward trend continues into the hotter summer months, as humidity levels peak at 91% in both July and August. As spring transitions into summer, residents can expect the air to feel increasingly heavy and muggy, signaling the onset of warmer and wetter weather. The consistent rise from winter's moderate levels, starting at 71% in January and dipping to 65% in February and March, underscores the gradual shift towards a more humid climate that characterizes Yongsan-dong in the summer months.
As May arrives in Yongsan-dong, South Korea, the UV Index soars to a striking 9, placing it in the very high exposure category, with a burn time of just 15 minutes. This marks a significant increase from April's UV Index of 8, indicating that sun protection measures are becoming increasingly critical as summer approaches. The trend continues into June, where the UV Index reaches an even more intense 10. Compared to the earlier months, such as January and February, where the UV Index was only 3 and 4, respectively, it's clear that residents and visitors should be extremely cautious when enjoying outdoor activities in May. For more insights on managing sun exposure, check out the Yongsan-dong UV Index.
UV Risk Categories
In Yongsan-dong, South Korea, May emerges as a radiant highlight in the year's sunshine tally, boasting an impressive 311 hours of sunshine. This month not only marks a peak in daylight but also heralds a warm transition from spring to summer. The sun's presence increases steadily from January, where it shines for 199 hours, indicating a significant uplift as April and May see gradual boosts, climbing to 287 and concluding at 311 hours, respectively. This upward trend continues into June, which captures even more sunlight with 317 hours, setting the stage for a vibrant summer. As the calendar progresses, the hours decrease again, but May undoubtedly stands out as a time of brightness and warmth, inviting both locals and visitors to soak in the seasonal splendor.
As May unfolds in Yongsan-dong, South Korea, the likelihood of enjoying sunny weather takes a noticeable dip, with a 37% chance of sunshine. This reflects a trend of decreasing sunny days as spring transitions to summer, particularly when compared to the preceding months, where April boasts a slightly higher 44%. Following May, the chances continue to diminish further into the summer, hitting 30% in both July and August. Interestingly, this decline contrasts with the sunny disposition of the final months of the year, when November and December see an increase in sunshine likelihood, reaching 58% and 64% respectively. Thus, while May may bring some bright moments, the skies are often cloudier as the season progresses toward the hotter months ahead.
In Yongsan-dong, South Korea, the daylight duration showcases a beautiful rhythm throughout the year, reflecting the changing seasons. Starting with 9 hours of daylight in January, the days gradually lengthen, reaching 10 hours in February and 11 hours by March, as spring begins to bloom. April brings a delightful jump to 13 hours, heralding the vibrant life of spring. The peak of this increase occurs in May, where daylight stretches to a generous 14 hours, a duration that persists into June and July, allowing residents to fully embrace the warmth and energy of summer. As August transitions into September, the days gradually shorten to 12 hours, and this decline continues into the cooler months, with November and December reverting to 10 and 9 hours, respectively. This annual cycle not only marks the passage of time but also embodies the natural beauty and rhythm of life in Yongsan-dong.
In Yongsan-dong, South Korea, May brings a gentle breeze with an average wind speed of 2.6 m/s (6 mph), consistent with the moderate conditions of the preceding months. Compared to the cooler spring months, where wind speeds fluctuated between 2.5 to 3.1 m/s, May's winds offer a subtle shift towards the calmer conditions of summer. This slight decrease signals a transition to the warmer months, as June sees the winds soften further to 2.0 m/s (4 mph). Overall, May stands out as a month of transition, where the refreshing breezes hint at the upcoming warmth while maintaining a pleasant atmosphere for outdoor activities.
Weather in Yongsan-dong varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Yongsan-dong, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in May is significantly warmer and more humid compared to January, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 32°C (89°F) and an average of 18°C (64°F). In contrast, January's chilly climate features temperatures that can drop as low as -18°C (1°F) and typically hover around an average of -2°C (28°F), peaking at just 13°C (55°F). Additionally, May experiences more precipitation, totaling 111 mm (4.4 in) over approximately 9 days, while January sees only 19 mm (0.8 in) with just 2 days of rain. This results in a higher humidity level in May at 81% compared to January's 71%. For a closer look at January weather specifics, you can check Yongsan-dong weather in January.
May and February present stark contrasts in weather conditions. May temperatures range from a minimum of 6°C (43°F) to a maximum of 32°C (89°F), with an average of 18°C (64°F). This month sees significant precipitation, totaling 111 mm (4.4 in) over about 9 days, accompanied by a high humidity level of 81%. In comparison, February experiences much colder temperatures, with lows plummeting to -14°C (7°F), averaging 0°C (32°F) and peaking at 18°C (65°F). The month is relatively drier, receiving only 22 mm (0.8 in) of precipitation over 4 days, and has lower humidity at 65%. For more detailed weather information, you can check Yongsan-dong weather in February.
May and March present contrasting weather patterns. In May, temperatures range from a minimum of 6°C (43°F) to a pleasant average of 18°C (64°F), peaking at a warm 32°C (89°F). This month experiences higher humidity at 81% and significant rainfall, averaging 111 mm (4.4 in) over about 9 days. In contrast, March features much cooler temperatures, with a minimum of -7°C (20°F) and an average of 7°C (44°F), reaching a maximum of 21°C (70°F). March is relatively drier, with only 46 mm (1.8 in) of precipitation over about 5 days and lower humidity at 65%. For more detailed information on March weather, visit Yongsan-dong weather in March.
In comparing the weather between April and May, May tends to be significantly warmer, with average temperatures rising from April's 12°C (54°F) to 18°C (64°F). April records a maximum temperature of 28°C (82°F), while May can reach up to a sweltering 32°C (89°F). Precipitation also increases in May, totaling 111 mm (4.4 in) over 9 days compared to April’s 55 mm (2.2 in) over just 6 days. Additionally, humidity rises slightly from April's 75% to May's 81%. For a closer look at how April weather specifically impacts Yongsan-dong, check out Yongsan-dong weather in April.
In May, temperatures range from a cool minimum of 6°C (43°F) to a warm maximum of 32°C (89°F), with an average temperature of 18°C (64°F). This month experiences significant precipitation, totaling 111 mm (4.4 in) over 9 days, and an average humidity level of 81%.
In contrast, June sees a noticeable increase in temperature, with lows of 12°C (54°F) and highs reaching up to 35°C (94°F), resulting in an average of 22°C (72°F). Precipitation decreases to 86 mm (3.4 in) over 8 days, while humidity rises slightly to 85%. For more detailed insights, visit Yongsan-dong weather in June.
When comparing the weather in May and July, a distinct shift in temperature and precipitation patterns becomes apparent. May experiences a comfortable range with temperatures beginning at a minimum of 6°C (43°F), averaging around 18°C (64°F), and peaking at 32°C (89°F). Although it has a relatively high humidity level of 81%, the month overall receives 111 mm (4.4 in) of precipitation over just 9 days. In contrast, July is significantly warmer, with minimum temperatures starting at 18°C (64°F), averaging 26°C (79°F), and reaching highs of up to 36°C (97°F). Notably, July also sees an increase in rainfall, accumulating 252 mm (9.9 in) over 15 days and higher humidity levels at 91%. To get a more detailed view, you can check Yongsan-dong weather in July.
May and August exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 32°C (89°F), with an average of 18°C (64°F), offering a generally mild climate. The month experiences 111 mm (4.4 in) of precipitation over about 9 days and maintains a humidity level of 81%. In contrast, August is considerably warmer, with temperatures fluctuating between a minimum of 16°C (61°F) and a scorching maximum of 38°C (101°F), resulting in an average temperature of 26°C (80°F). Additionally, August is significantly wetter, recording 269 mm (10.6 in) of rainfall over approximately 16 days and a higher humidity of 91%. For a detailed look at August's weather specifics, you can refer to Yongsan-dong weather in August.
In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 32°C (89°F), with an average of 18°C (64°F). The month experiences about 111 mm (4.4 in) of precipitation over 9 days, coupled with relatively high humidity at 81%.
Conversely, September features a warmer climate with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 31°C (88°F), and an average of 21°C (70°F). Rainfall slightly increases to 133 mm (5.2 in) over the same 9 days, while humidity decreases to 77%. For more detailed weather information, check out Yongsan-dong weather in September.
May and October present contrasting weather experiences. In May, temperatures range from a mild 6°C (43°F) at night to a warm 32°C (89°F) during the day, with an average of 18°C (64°F). The month is relatively rainy, receiving 111 mm (4.4 in) of precipitation over about 9 days and maintaining a high humidity level of 81%. In contrast, October features cooler temperatures, with nighttime lows dropping to 0°C (32°F) and daytime highs averaging 28°C (83°F), resulting in a cooler average of 14°C (58°F). This month sees less rainfall, totaling 63 mm (2.5 in) over 6 days and slightly lower humidity at 79%. For a closer look at October weather conditions, check out Yongsan-dong weather in October.
May and November exhibit notably different weather patterns. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 32°C (89°F), with an average of 18°C (64°F). Precipitation is relatively high at 111 mm (4.4 in) over nine days, and humidity hovers around 81%. In contrast, November presents a cooler climate, with temperatures dipping to a minimum of -7°C (21°F) and peaking at 21°C (70°F), averaging 7°C (45°F). The month is also drier, recording 54 mm (2.1 in) of precipitation over just five days, and maintaining a similar humidity level at 80%. For more details, visit Yongsan-dong weather in November.
May and December showcase distinct contrasts in weather, reflecting the transition from spring to winter. In May, temperatures range from a mild 6°C (43°F) at night to a warm 32°C (89°F) during the day, accompanied by relatively high humidity at 81%. With average precipitation of 111 mm (4.4 in) over about 9 days, May can be quite rainy, making it a lush and vibrant month. In stark contrast, December experiences a much colder climate, with temperatures dropping to as low as -15°C (5°F) and averaging around -1°C (31°F). Precipitation in December is minimal, totaling just 22 mm (0.9 in) across about 4 days, and humidity lowers to 74%. For more details, check out Yongsan-dong weather in December.
As spring gives way to the warmth of summer in Yongsan-dong, May heralds a shift in weather that stands out from the preceding months. Average temperatures soar, reaching a pleasant 18°C, with peaks hitting a steamy 32°C. Although there's a notable increase in humidity, averaging around 81%, the delightful sunny days outweigh the 9 days of rain which contribute to the total of 111 mm of precipitation. This transitional month offers a unique blend of warmth and occasional showers, making it an ideal time to enjoy the vibrant outdoor spaces. For a deeper dive into the weather trends, be sure to check out Yongsan-dong Climate.