Last updated: October 30, 2025
In Incheon, South Korea, June ushers in a warm embrace, with average temperatures hovering around 22°C (71°F), peaking at a balmy 31°C (88°F). Visitors can expect a refreshing contrast with cooler nights, dipping to a pleasant 14°C (57°F). This month, a total precipitation of 77 mm (3.0 in) falls over approximately 9 days, contributing to 85% humidity that enhances the lush greenery of the city. Whether you're exploring vibrant cultural sites or relaxing by the coast, June’s weather presents an inviting atmosphere for both adventure and leisure.
In June, Incheon, South Korea experiences a delightful transition into summer, with temperatures reflecting a significant rise. The minimum temperature hovers around 14°C (57°F), while the average climbs to a pleasant 22°C (71°F), peaking at a maximum of 31°C (88°F). This month marks a stark contrast to the chilly depths of winter, showcasing the shift from the average low of -16°C (3°F) in January to June's balmy evenings. As the days lengthen, June invites residents and visitors alike to enjoy outdoor activities, from bustling markets to serene beach days, highlighting Incheon's vibrant summer atmosphere and making it an ideal time to explore this dynamic city.
In June, Incheon experiences a noticeable uptick in rainfall, with 77 mm (3.0 in) of precipitation over approximately 9 days. This marks a significant increase from the preceding months, with May leading in moisture at 107 mm (4.2 in), yet June's downpours begin to set the stage for the region’s wettest months ahead. As the summer progresses, June serves as a pivotal transition, as it prepares the area for the monsoon season, characterized by heavier rainfall in July and August—where totals leap to 232 mm (9.1 in) and 256 mm (10.1 in), respectively. The consistent increase in precipitation during these summer months illustrates a clear trend towards wetter conditions, indicative of Incheon's humid subtropical climate.
In June, Incheon, South Korea, experiences a notable rise in humidity, reaching 85%—a significant jump from the previous months. As spring transitions into summer, the humidity levels rise steadily, moving from 81% in May to June's peak, setting the stage for the sweltering July and August, which both reach a humid 91%. This upward trend in humidity reflects the region's shift toward a more tropical climate during the summer months, where the air feels heavy, and discomfort may increase. Following this peak, humidity levels begin to decline in September, yet remain elevated as autumn approaches, maintaining an average of 77%. This pattern illustrates how Incheon's climate is characterized by a high-humidity summer, which can be both challenging and invigorating for residents and visitors alike.
June in Incheon, South Korea, marks a peak in UV intensity, with the UV Index soaring to 10, categorized as very high. This elevates the risk of sunburn to just 15 minutes of unprotected exposure, aligning with the trends seen in the previous months where the UV Index gradually increased from 3 in January to 9 in May. As the summer approaches, it's crucial to remain vigilant about sun protection, as July continues this upward trend with an even higher UV Index of 11. With each month, the burn time has shrunk significantly, emphasizing the importance of safeguarding your skin. For detailed updates on the UV Index throughout the year, check out Incheon UV Index.
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June shines brightly in Incheon, South Korea, boasting an impressive 317 hours of sunshine, making it one of the sunniest months of the year. Following a steady increase from 199 hours in January to 311 hours in May, June marks the pinnacle of sunlight, highlighting the transition into summer with longer, brighter days. This month not only outshines its spring predecessors but also sets a vibrant tone for the summer ahead, standing in contrast to the slightly reduced hours seen in July and August. As the days grow warmer and sunnier, June encapsulates the essence of summer, inviting residents and visitors alike to bask in its golden glow.
Incheon, South Korea experiences a noticeable shift in sunny weather probabilities throughout the year, with June offering a 39% chance of sunshine. This figure aligns closely with the lower sun probabilities seen in the preceding months of May (39%) and April (45%), indicating a trend of reduced sunshine as spring transitions into summer. Notably, the likelihood of sunny days begins to dip further in the vibrant summer months of July and August, with percentages falling to 32% and 33%, respectively. Thus, while June typically maintains a pleasant ambiance, residents and visitors alike should prepare for the possibility of overcast skies as summer approaches.
As summer approaches, Incheon, South Korea basks in a delightful 14 hours of daylight during June, marking the peak of light-filled days that begin with the turn of the season. Following a gradual increase from January’s 9 hours, the day length consistently rises through spring, peaking in June, and then holding steady into July. This trend then transitions into a subtle decline, as daylight in late summer begins to wane, dropping to 13 hours in August and further decreasing as autumn sets in. The rhythm of daylight in Incheon beautifully encapsulates the changing seasons, offering longer, sun-soaked days to enjoy the vibrant outdoor life.
In Incheon, South Korea, June ushers in a gentle breeze, with an average wind speed of 2.5 m/s (6 mph), marking a notable dip compared to the earlier months of the year. This gradual reduction in wind speed from the more brisk spring days reflects a calming transition into summer, where the winds become softer and more subdued. Following June, July continues this trend, registering the lowest average wind speed of the year at 2.3 m/s (5 mph), while August sees a slight uptick to 2.6 m/s (6 mph). Overall, the June wind embodies a serene charm, inviting residents and visitors alike to enjoy the warm, still air as summer unfolds.
Weather in Incheon varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Incheon, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present stark contrasts in weather. In June, temperatures range from a mild 14°C (57°F) at night to a warm max of 31°C (88°F) during the day, accompanied by high humidity at 85% and about 77 mm (3.0 in) of rainfall over approximately 9 days. In contrast, January is characterized by a chilling minimum temperature of -16°C (3°F) and an average of -2°C (29°F), peaking at only 12°C (54°F). This winter month sees significantly less precipitation, totaling just 17 mm (0.7 in) over 2 days, along with a lower humidity level of 71%. For more detailed information about January weather, you can visit Incheon weather in January.
June and February showcase a stark contrast in weather conditions. In June, temperatures range from a mild 14°C (57°F) at night to a warm 31°C (88°F) during the day, with an average of 22°C (71°F). The month is marked by higher humidity at 85% and a relatively wet climate, with 77 mm (3.0 in) of precipitation over about 9 days. Conversely, February experiences a much colder climate, with minimum temperatures dropping to -14°C (6°F) and daytime highs reaching only 15°C (59°F), averaging around 0°C (32°F). This month is notably drier, receiving just 21 mm (0.8 in) of precipitation over approximately 4 days, and has a lower humidity level of 65%. For more specific insights into February weather, you can visit Incheon weather in February.
In comparing the weather of June and March, it's clear that June is significantly warmer and more humid. With average temperatures reaching 22°C (71°F) and daytime highs soaring to 31°C (88°F), June offers a stark contrast to March, where temperatures generally peak at 19°C (66°F). Additionally, March experiences much colder nights with minimum temperatures dropping to -6°C (21°F), while June's minimum stays comfortably above 14°C (57°F). Rainfall also differs between the two months; June sees more precipitation at 77 mm (3.0 in) over 9 days, compared to March's 44 mm (1.7 in) over just 5 days. The humidity in June is notably higher at 85%, compared to the more moderate 65% in March. For more detailed weather insights, you can check Incheon weather in March.
In comparing the weather between April and June, it is evident that June brings significantly warmer temperatures, with a minimum of 14°C (57°F) and an average of 22°C (71°F), reaching a maximum of 31°C (88°F). In contrast, April experiences much cooler temperatures, ranging from a minimum of 1°C (33°F) to a maximum of 25°C (78°F), with an average of 12°C (54°F). Additionally, June sees more humidity at 85% and a higher total precipitation of 77 mm (3.0 in) over 9 days, compared to April's 49 mm (1.9 in) over 6 days. For more detailed information, you can check Incheon weather in April.
In comparing the weather of June and May, June generally experiences warmer temperatures, with a minimum of 14°C (57°F) and an average of 22°C (71°F), while May's temperatures range from a cooler minimum of 7°C (44°F) to an average of 17°C (63°F). June also sees higher maximum temperatures, reaching up to 31°C (88°F) compared to May's max of 28°C (82°F). However, May has slightly higher precipitation levels at 107 mm (4.2 in) over 8 days, while June receives 77 mm (3.0 in) across 9 days. Humidity levels are a bit higher in June at 85%, compared to 81% in May. For more detailed information about May weather, you can visit Incheon weather in May.
June and July weather exhibit notable differences, particularly in temperature and precipitation. June typically sees a minimum temperature of 14°C (57°F) and averages around 22°C (71°F) with a maximum of 31°C (88°F), while July experiences higher temperatures, with a minimum of 19°C (66°F) and an average of 26°C (78°F), peaking at 35°C (95°F). Rainfall is significantly more pronounced in July, accumulating 232 mm (9.1 in) over 14 days compared to June's 77 mm (3.0 in) over just 9 days. Additionally, July tends to have a higher humidity level of 91% compared to June’s 85%. For more detailed insights, you can check Incheon weather in July.
June and August present quite different weather patterns. In June, temperatures range from a minimum of 14°C (57°F) to a maximum of 31°C (88°F), with an average of 22°C (71°F). This month experiences 77 mm (3.0 in) of rainfall over approximately 9 days, accompanied by a humidity level of 85%. In contrast, August sees higher temperatures, with minimums of 17°C (63°F), averages of 27°C (80°F), and maximums soaring to 36°C (97°F). This month is also significantly wetter, receiving 256 mm (10.1 in) of precipitation over about 15 days, while humidity rises to 91%. For more detailed information, you can check Incheon weather in August.
June and September exhibit some notable similarities and differences in weather patterns. Both months have a similar average temperature, around 22°C (72°F), with maximum temperatures peaking at 31°C (87°F) in September and 31°C (88°F) in June. However, June is slightly warmer in the mornings, with a minimum temperature of 14°C (57°F) compared to September's lower minimum of 11°C (53°F).
In terms of precipitation, September is notably wetter, receiving 133 mm (5.2 in) of rainfall over 9 days, while June sees only 77 mm (3.0 in) during the same number of days, indicating a marked increase in rain during the transition from summer to autumn. Lastly, humidity levels are higher in June at 85%, compared to September's 77%, adding to the discomfort during the late spring. To learn more about weather specifics for September, you can check Incheon weather in September.
June and October present distinctly different weather patterns. June typically features warmer temperatures with a minimum of 14°C (57°F), an average of 22°C (71°F), and highs reaching up to 31°C (88°F). The month experiences higher humidity at 85% and sees about 77 mm (3.0 in) of precipitation over approximately 9 rainy days. In contrast, October offers cooler conditions, with temperatures ranging from a minimum of 2°C (36°F) to an average of 15°C (60°F) and a maximum of 28°C (82°F). The month has lower humidity at 79% and less rainfall, totaling around 59 mm (2.3 in) across 6 days. For further details on October weather, you can refer to Incheon weather in October.
In comparing June and November weather, it's evident that June offers a much warmer climate with average temperatures ranging from 14°C (57°F) to a peak of 31°C (88°F), accompanied by higher humidity at 85%. In contrast, November experiences much cooler temperatures, with an average of 8°C (47°F) and a minimum dipping to -5°C (23°F), although it can still reach a maximum of 21°C (69°F) on warmer days. Additionally, while June has more precipitation spread over 9 days, November presents a drier atmosphere with only 53 mm (2.1 in) of rain over 5 days. For more detailed information on November weather, you can check Incheon weather in November.
June and December present strikingly different weather conditions. In June, temperatures range from a mild 14°C (57°F) at night to a warm 31°C (88°F) during the day, with an average of around 22°C (71°F). The month also sees significant precipitation of 77 mm (3.0 in) over about 9 days, contributing to a high humidity level of 85%. In contrast, December experiences much colder weather, with temperatures plunging to a minimum of -14°C (7°F) and averaging just 0°C (33°F), peaking at a maximum of 12°C (54°F). The month is much drier as well, with only 24 mm (0.9 in) of precipitation over 5 days and lower humidity at 74%. For a closer look at December weather specifics in Incheon, check out Incheon weather in December.
June in Incheon ushers in a warm and humid transition into summer, with temperatures reaching their peak compared to other months. With average highs around 31°C (88°F), the warmth is palpable, inviting outdoor activities despite a notable increase in rainfall, with 9 days experiencing precipitation. This month consistently elevates humidity levels, making the air feel thicker and more tropical than in the preceding spring. Such conditions create a vivid contrast to the mild temperatures and lower humidity of earlier months, making June a unique blend of heat and moisture. For a deeper understanding of the weather patterns throughout the year, visit Incheon Climate.