Last updated: October 30, 2025
In May, Icheon-si, South Korea, experiences a dynamic climate marked by a notable temperature range, with maximums reaching 33°C (92°F) and dipping to a refreshing 4°C (39°F). The month's average temperature hovers around 18°C (64°F), offering a mild yet invigorating atmosphere. This period also witnesses 109 mm (4.3 in) of precipitation, occurring across approximately 9 days, contributing to the region's lush greenery. With an elevated humidity level of 81%, residents and visitors alike can expect a pleasantly humid environment, perfect for outdoor activities and enjoying the vibrant spring landscape.
In Icheon-si, South Korea, May marks a significant transition to warm weather, showcasing a vibrant range of temperatures. With a minimum of 4°C (39°F), the month starts off comfortably mild, while the average temperature rises dramatically to a pleasant 18°C (64°F). The maximum reaches an impressive 33°C (92°F), heralding the approach of summer heat. This notable increase is in stark contrast to the brisk cold of winter, where January's temperatures plummet to a biting low of -18°C (1°F). The month of May exhibits a warming trend, not only welcoming longer, sunnier days, but also a shift in the landscape, making it an ideal time for outdoor activities and enjoying the blooming scenery. Overall, May serves as a delightful gateway to the warmer months ahead.
May in Icheon-si, South Korea, marks a significant increase in precipitation, with an impressive 109 mm (4.3 in) recorded over 9 days. This sharp rise from the previous months indicates the onset of the rainy season, transitioning from the mild showers of April, which saw 71 mm (2.8 in) over 7 days. As spring gives way to early summer, May's rainfall not only surpasses that of its predecessors but also sets the stage for the heavier downpours of July and August, which typically bring 265 mm (10.4 in) and 267 mm (10.5 in), respectively. This pattern highlights a clear trend in Icheon-si's climate, where late spring and early summer are characterized by a substantial uptick in moisture, paving the way for a lush and vibrant landscape.
In Icheon-si, South Korea, the month of May marks a significant rise in humidity, hitting 81%. This increase is part of a gradual upward trend that begins in the spring, following the relatively comfortable levels of 65% in March and February. As the region transitions to summer, humidity levels are consistently on the rise, setting the stage for the sweltering months ahead, with June and July peaking at 85% and 91%, respectively. May, thus, serves as a pivotal moment as the air thickens, foreshadowing the high humidity that characterizes the summer season. The consistent pattern of elevated humidity levels illustrates the region's subtropical climate, making May a key month for those experiencing the lush, green backdrop that thrives in these moist conditions.
In Icheon-si, South Korea, the UV Index in May peaks at 9, categorizing it as very high and necessitating a careful approach to sun exposure, with a burn time of just 15 minutes. This trend continues from April, indicating that as spring transitions into summer, the intensity of UV radiation remains intense. Following May, June through August will see the UV Index rise further to an astonishing 11, classified as extreme, where sun protection becomes crucial to avoid skin damage. Overall, the data reveals a clear escalation in UV levels as the year progresses, highlighting the importance of vigilance during the sunnier months. For more detailed information, check the Icheon-si UV Index.
UV Risk Categories
May in Icheon-si, South Korea, shines with a glorious 302 hours of sunlight, marking it as a radiant highlight in the spring season. This month not only boasts the highest sunshine hours of the year but also continues a remarkable upward trend from the 274 hours in March and 279 hours in April. As the days grow warmer and longer, Icheon-si transitions beautifully from the crisp chill of winter to vibrant springtime warmth. June follows closely with an impressive 306 hours, suggesting that the sunny allure of Icheon-si continues to build momentum as summer approaches. This enchanting progression of sunlight each month paints a vivid picture of nature's awakening, inviting residents and visitors alike to revel in the bright, cheerful days of late spring.
In Icheon-si, South Korea, the likelihood of sunny weather in May shows a noticeable dip, with only a 37% chance of sunshine. This contrasts with the generally brighter months earlier in the year, such as January and February, which boast probabilities of 54% and 55%, respectively. As spring progresses into May, the percentage of sunny days drops significantly compared to the preceding months of April, which holds a 44% chance. This trend continues into the summer months, where the likelihood decreases further, peaking at 30% in July. Thus, while May may not offer abundant sunshine, it is still part of a broader pattern where the region experiences fluctuating weather throughout the year, culminating in increasingly cloudy conditions as summer approaches.
In Icheon-si, South Korea, the evolution of daylight duration throughout the year paints a vibrant picture of seasonal change. Kicking off the year, January offers a modest 9 hours of daylight, progressively lengthening to 10 hours in February and reaching 11 hours by March. As spring arrives, April ushers in a refreshing surge to 13 hours, leading into the glorious 14 hours of daylight in both May and June. This peak continues through July, before gradually tapering off in August to 13 hours. The transition into autumn sees daylight hours decline steadily, with 12 hours in September, dropping to 11 hours in October, and further down to 10 hours in November, finally returning to 9 hours in December. This clear trend highlights the growing abundance of daylight in the spring and summer months, followed by a gentle retreat as the year winds down, creating a rhythmic balance that enhances the beauty of each season.
As May graces Icheon-si, South Korea, the winds blow gently, averaging 2.5 m/s (6 mph), a slight dip from the more blustery months of winter and early spring. This moderate breeze offers a fresh respite as temperatures begin to rise, making it an ideal time for outdoor activities. Notably, the wind patterns show a gradual decrease as summer approaches, with June and July recording even lighter winds at 1.9 m/s (4 mph) and 1.8 m/s (4 mph), respectively. While May's conditions remain favorable, the upcoming months usher in a calm that is characteristic of the sultry summer ahead, inviting residents and visitors alike to bask in the gentle warmth. Overall, May serves as a beautiful transition in Icheon-si, blending the refreshing breezes of spring with the tranquil stillness of summer.
Weather in Icheon-si varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Icheon-si, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present stark contrasts in weather conditions. In May, temperatures range from a chilly 4°C (39°F) at night to a warm 33°C (92°F) during the day, with an average temperature of 18°C (64°F). This month also experiences significant rainfall, totaling 109 mm (4.3 in) over about 9 days, with a humidity level of 81%. In contrast, January is much colder, with temperatures plummeting to a minimum of -18°C (-1°F), peaking at just 13°C (55°F) and averaging -2°C (28°F). Precipitation during this winter month is minimal, with only 23 mm (0.9 in) falling over approximately 3 days, and a lower humidity level of 71%. For a more detailed look at January’s weather, you can visit Icheon-si weather in January.
Comparing the weather between February and May reveals a striking contrast. In February, temperatures can dip as low as -16°C (4°F) and average around 0°C (32°F), with milder highs of 19°C (67°F). This month experiences only 26 mm (1.0 in) of precipitation spread over 4 days and lower humidity levels at 65%. In stark contrast, May brings much warmer conditions, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 33°C (92°F) and an average of 18°C (64°F). May also sees increased rainfall, totaling 109 mm (4.3 in) across 9 days, accompanied by higher humidity at 81%. The transition from the chill of February to the warmth of May highlights the significant seasonal changes in weather. For more details on February weather in Icheon-si, you can check Icheon-si weather in February.
In comparing the weather conditions of March and May, it's clear that May experiences significantly warmer temperatures, with daily averages ranging from a minimum of 4°C (39°F) to a maximum of 33°C (92°F), compared to March, which sees a cooler range from -6°C (21°F) to 22°C (72°F). Additionally, May has higher humidity levels at 81% and a greater amount of rainfall, totaling 109 mm (4.3 inches) over 9 days, whereas March has lower precipitation of 57 mm (2.3 inches) across 6 days. For a further look into March weather conditions in Icheon-si, you can visit Icheon-si weather in March.
In comparing the weather of May and April, May generally experiences milder and more varied temperatures, with a minimum of 4°C and a maximum of 33°C, averaging around 18°C. In contrast, April starts off cooler with temperatures ranging from a chilly -3°C to a maximum of 28°C, averaging only 12°C. Precipitation also increases in May, with 109 mm falling over 9 days, compared to April's 71 mm over 7 days. Humidity rises slightly from April’s 75% to May's 81%, contributing to a more humid feel in the latter month. For a detailed look at April's weather, you can visit Icheon-si weather in April.
May and June display a noticeable transition in weather patterns. In May, temperatures range from a minimum of 4°C (39°F) to a maximum of 33°C (92°F), with an average temperature of 18°C (64°F). This month experiences about 109 mm (4.3 inches) of precipitation over 9 days, resulting in a relatively humid environment with an average humidity of 81%. In contrast, June brings warmer temperatures with a minimum of 12°C (54°F) and a max of 34°C (94°F), leading to a higher average temperature of 22°C (72°F). Rainfall decreases to 85 mm (3.3 inches) over 8 days, while humidity slightly rises to 85%. For more detailed information on Icheon-si weather, you can visit Icheon-si weather in June.
In comparing the weather between May and July, we observe significant changes in temperature and precipitation. May offers a milder range, with minimum temperatures dipping to 4°C (39°F) and maximum temperatures reaching up to 33°C (92°F), resulting in an average of 18°C (64°F). However, it also sees considerable rainfall, totaling 109 mm (4.3 inches) over about 9 days, with humidity levels averaging 81%.
In contrast, July tends to be much warmer, with minimum temperatures starting at 17°C (62°F) and maximums climbing to 35°C (96°F), contributing to an average temperature of 26°C (78°F). July is a wetter month as well, recording 265 mm (10.4 inches) of rainfall over approximately 16 days, and the humidity rises slightly to 91%. For more detailed insights on July weather, visit Icheon-si weather in July.
The weather in May shows a more moderate temperature range, with nighttime lows averaging around 4°C (39°F) and daytime highs reaching up to 33°C (92°F). This month experiences a total of 109 mm (4.3 in) of precipitation over about 9 days, and the humidity hovers around 81%. In contrast, August brings significantly warmer temperatures, with minimums around 15°C (60°F) and maximums peaking at 38°C (101°F), resulting in a much warmer average of 26°C (79°F). Additionally, August is marked by higher precipitation levels, totaling 267 mm (10.5 in) over 17 days, and an increase in humidity to 91%. For more detailed information on the August weather in Icheon-si, you can check Icheon-si weather in August.
May and September both offer pleasant weather, but with distinct characteristics. In May, temperatures range from a chilly 4°C (39°F) to a warm 33°C (92°F), averaging around 18°C (64°F). The month sees a higher humidity level of 81% and experiences about 109 mm (4.3 in) of precipitation over 9 days. In contrast, September offers a slightly milder temperature range from 7°C (45°F) to 30°C (86°F), with an average of 21°C (70°F). Although it has a similar number of rainy days, the total precipitation increases to 144 mm (5.7 in), and humidity drops to 77%. For a detailed look at the weather during this month, you can check Icheon-si weather in September.
May and October present contrasting weather patterns as the seasons transition. In May, temperatures soar with a minimum of 4°C and an average reaching 18°C, peaking at a warm 33°C, while October experiences cooler conditions with a minimum of -1°C and an average of 14°C, capping at 29°C. Precipitation is more prevalent in May, with 109 mm over 9 days, compared to October's milder 62 mm over just 6 days. Humidity levels remain high in both months, at 81% in May and slightly lower at 79% in October. For more specific insights into October weather, you can check Icheon-si weather in October.
May and November present contrasting weather experiences. In May, temperatures range from a chilly minimum of 4°C (39°F) to a warm maximum of 33°C (92°F), with an average of 18°C (64°F). This month also sees considerable rainfall, with 109 mm (4.3 in) over 9 days and humidity levels around 81%. In contrast, November is much cooler, with temperatures varying from a low of -6°C (21°F) to a high of 21°C (69°F), providing an average of 7°C (45°F). Precipitation decreases significantly to 53 mm (2.1 in) over just 5 days, and humidity remains slightly lower at 80%. For a detailed look at November weather in Icheon-si, you can visit Icheon-si weather in November.
When comparing the weather in May and December, significant contrasts emerge. May boasts a much warmer climate, with temperatures ranging from a mild 4°C (39°F) at night to a hot 33°C (92°F) during the day, while December experiences chilling temperatures from -15°C (5°F) to a maximum of 13°C (55°F). Additionally, May sees an average precipitation of 109 mm (4.3 in) over about 9 days, creating a humid environment with 81% humidity, whereas December is relatively dry with only 25 mm (1.0 in) of precipitation over 5 days and a lower humidity level of 74%. For more details on the December weather, you can refer to Icheon-si weather in December.
As May rolls into Icheon-si, the weather transforms into a delightful blend of warmth and freshness, marking a distinct departure from the cooler months preceding it. With average temperatures gradually climbing, residents and visitors can relish the balmy days that usher in the beauty of spring, while the sky occasionally showers the landscape, contributing to lush greenery. The humidity remains noticeable, reminding everyone of the summer ahead. This month’s unique weather patterns create a vibrant atmosphere, perfect for outdoor activities and exploration. To gain more insights into the climatic nuances of this region, check out Icheon-si Climate.