Last updated: October 30, 2025
June in Jeju City, South Korea brings a delightful blend of warm temperatures and vibrant humidity, making it a unique time to explore this picturesque island. With daytime highs averaging 26°C (79°F) and comfortable lows around 16°C (60°F), visitors can enjoy pleasant outdoor activities. However, be prepared for occasional rain, as the island experiences approximately 141 mm (5.6 in) of precipitation over 10 days, coupled with a high humidity rate of 93%. This lush, tropical climate enhances Jeju's natural beauty, offering lush landscapes and rich cultural experiences for those willing to embrace the vibrant weather.
In June, Jeju City begins to embrace the warmth of summer, with temperatures rising significantly compared to the earlier months. The minimum temperature settles at a comfortable 16°C (60°F), while the average climbs to 21°C (70°F), making it an ideal time for outdoor activities. With a maximum reaching 26°C (79°F), the island basks in pleasant warmth, inviting both locals and travelers to explore its stunning landscapes. This month marks a notable shift from the cool, crisp air of spring to a balmy, sunny atmosphere, paving the way for the vibrant summer months ahead.
June marks a significant shift in precipitation patterns for Jeju City, South Korea, with rainfall totaling 141 mm (5.6 in), making it one of the wettest months of the year. This spike contrasts sharply with the drier early months, as April and May see much lower totals of 91 mm (3.6 in) and 92 mm (3.6 in), respectively. Rain falls on about 10 days in June, which maintains a steady trend from the previous months, but the intensity of the rainfall begins to rise as the summer season approaches. Following June, July and August see even heavier rains, indicating the onset of the monsoon season. The consistent increase in precipitation from summer onwards reflects Jeju's shift to a more humid climate, culminating in September where rainfall peaks at an impressive 298 mm (11.7 in). Overall, June serves as a pivotal point that heralds the wetter months to come.
June marks the peak of humidity in Jeju City, South Korea, with levels soaring to a notable 93%. This significant rise follows a gradual increase from the moderate 72% in January, as the island transitions from spring to summer. The humidity steadily climbs throughout the spring months, peaking in May at 89%, before hitting its highest point in June. The trend indicates that residents and visitors alike can expect a sticky and sultry atmosphere as they embrace the vibrant summer season. Following June, humidity remains high into July and August, showcasing Jeju's tropical charm, before tapering off in the subsequent months.
In June, Jeju City experiences an intense surge in UV radiation, with a remarkable UV Index of 11, categorizing it as extreme. This marks a significant jump from the previous months, heralding the peak of summer. With a burn time of just 10 minutes, it's crucial for residents and visitors to take protective measures against the sun's harmful rays. The trend of increasing UV levels throughout spring culminates in this heightened exposure, showcasing the natural cycles of the region’s climate. Looking ahead, similar extreme conditions persist into July and August, making June a pivotal month for sun safety awareness. For more insights into UV levels, visit Jeju City UV Index.
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As June graces Jeju City with its warmth, residents and visitors alike enjoy 298 hours of glorious sunshine, marking a delightful continuation of an upward trend that begins in January. With each passing month, the sun's presence becomes increasingly pronounced; from a modest 166 hours in January, the daylight hours steadily climb, peaking in August with a radiant 318 hours. This consistent increase showcases Jeju's transition into summer, offering perfect weather for outdoor adventures and beach outings. Even as the days gradually shorten into fall, the vibrant sunlight remains a defining feature of the island's charm, ensuring that the joy of June lingers long into the year.
In June, Jeju City experiences a 33% chance of sunny weather, slightly lower than the preceding months of April and May, which see higher probabilities of 41% and 37% respectively. This trend hints at the gradual transition into the summer months, where July typically brings a notable dip to 24%, suggesting that the sunny days may become less frequent as humidity rises. Interestingly, as the year progresses towards October and November, the likelihood of sunny weather bounces back significantly, with chances soaring to 56% and 51%. This pattern indicates that while June may not offer the brightest skies, the island’s weather rebounds later in the year, making it an intriguing destination year-round.
As summer approaches in Jeju City, South Korea, June marks a delightful peak in daylight duration, with the sun shining for an impressive 14 hours each day. This increase in daylight is a continuation of trends seen in the preceding months; after gradually growing from 10 hours in January and February, residents enjoy an upward surge in light, reaching 13 hours in both April and May. As June rolls in, the days stretch longer, inviting outdoor activities and vibrant scenery. The sun-soaked days linger through July, before gradually tapering off in August, signaling the shift towards autumn. This natural rhythm of daylight not only enhances Jeju's scenic beauty but also encourages a lively atmosphere filled with exploration and enjoyment of the island's unique charm.
In June, Jeju City experiences a noticeable decline in wind speed, averaging 3.3 m/s (7 mph), marking it as one of the calmest months of the year. This reduction contrasts sharply with the stronger winds of the earlier months; January and February both boast robust averages of 6.5 m/s (14 mph), while March and April follow suit with 5.0 m/s (11 mph). As the season transitions into summer, the winds pick up slightly once again in July at 4.7 m/s (10 mph), providing a refreshing breeze that accompanies the warm, sunny days. Overall, the June wind patterns in Jeju reflect a gentle lull in the typically dynamic coastal climate, inviting both locals and tourists to relish the tranquil beauty of the island.
Weather in Jeju City varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Jeju City, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present strikingly different weather patterns. In June, temperatures range from a cool 16°C (60°F) at night to a warm 26°C (79°F) during the day, with an average of 21°C (70°F). This month is characterized by high humidity levels at 93% and significant rainfall, totaling 141 mm (5.6 in) over approximately 10 days. In stark contrast, January sees much colder weather, with temperatures dipping as low as -2°C (29°F) and averaging just 6°C (44°F), while peaking at 19°C (66°F). The precipitation in January is mild, at 58 mm (2.3 in), also over 10 days, but with lower humidity at 72%. For a more detailed view of January weather in Jeju City, check out Jeju City weather in January.
June and February present dramatically different weather patterns. In June, temperatures range from a minimum of 16°C (60°F) to a maximum of 26°C (79°F), with an average of 21°C (70°F). This month also experiences significant rainfall, totaling 141 mm (5.6 in) over approximately 10 days, and is characterized by high humidity levels at 93%. In contrast, February features much cooler temperatures, with a minimum of -1°C (31°F), an average of 7°C (44°F), and a maximum of 17°C (63°F). It sees considerably less precipitation, with 59 mm (2.3 in) spread across 9 days, and a lower humidity of 70%. The stark contrast between the two months highlights how June's warm and humid conditions differ greatly from February's chillier and drier atmosphere. For more detailed insights, you can check Jeju City weather in February.
In comparing the weather between June and March, it's clear that June is significantly warmer and more humid. June boasts average temperatures ranging from a minimum of 16°C (60°F) to a maximum of 26°C (79°F), while March is much cooler, with averages between 3°C (37°F) and 18°C (65°F). Additionally, June experiences higher precipitation with 141 mm (5.6 in) over about 10 days, compared to March's 101 mm (4.0 in) over 11 days. The humidity in June reaches a high of 93%, making it feel much more tropical compared to the 73% humidity in March. For more detailed insights, you can explore Jeju City weather in March.
When comparing the weather in June and April, June typically brings warmer temperatures, with a minimum of 16°C (60°F), an average of 21°C (70°F), and a maximum of 26°C (79°F). In contrast, April has cooler temperatures, ranging from a minimum of 6°C (43°F) to a maximum of 20°C (69°F), with an average of 13°C (57°F). Additionally, June experiences higher precipitation levels, with about 141 mm (5.6 in) of rain over 10 days, compared to April's 91 mm (3.6 in) over 7 days. Humidity is also higher in June at 93%, while April sees a slightly lower humidity of 83%. For more detailed information about April's weather, check out Jeju City weather in April.
In comparing the weather between June and May, June experiences warmer temperatures, with minimum temperatures of 16°C (60°F) and an average of 21°C (70°F), compared to May's minimum of 10°C (51°F) and average of 17°C (63°F). Additionally, June sees a higher maximum temperature of 26°C (79°F) over May's 24°C (75°F). However, June also has increased precipitation, totaling 141 mm (5.6 in) over 10 rainy days, while May records 92 mm (3.6 in) across 9 days. Humidity is slightly higher in June at 93%, compared to May's 89%. For more details, visit Jeju City weather in May.
June and July exhibit notable differences in weather patterns. June generally has a milder temperature range, with minimums around 16°C (60°F) and maximums peaking at 26°C (79°F), whereas July sees warmer averages, with minimums of 19°C (67°F) and maximums soaring to 31°C (88°F). Precipitation also increases in July, totaling 170 mm (6.7 in) over 14 days compared to June's 141 mm (5.6 in) over 10 days. Additionally, July is marked by higher humidity levels, reaching 98% compared to June's 93%. For a detailed look at July's weather specifics, check out Jeju City weather in July.
June and August in Jeju City present distinct weather experiences. In June, temperatures range from a minimum of 16°C (60°F) to a maximum of 26°C (79°F), with an average of 21°C (70°F). The month sees significant rainfall, totaling 141 mm (5.6 in) over approximately 10 days and a high humidity of 93%. In contrast, August is warmer, boasting minimum temperatures of 22°C (72°F) and maximums reaching 31°C (88°F), with an average temperature of 27°C (81°F). Rainfall is also more prevalent in August, with 197 mm (7.7 in) over about 15 days, and humidity rises slightly to 96%. For more details on the weather in August, visit Jeju City weather in August.
June and September present distinct weather patterns, with June typically featuring cooler temperatures ranging from a minimum of 16°C (60°F) to a maximum of 26°C (79°F) and experiencing high humidity levels of 93%. In contrast, September offers warmer conditions, with temperatures averaging around 23°C (74°F) and peaking at 28°C (83°F), while maintaining a lower humidity at 84%. However, September sees significantly more rainfall, accumulating 298 mm (11.7 in) over 15 days, compared to June's 141 mm (5.6 in) over 10 days. For a closer look at the weather during this month, you can check Jeju City weather in September.
June and October in Jeju City present distinct weather characteristics. In June, temperatures range from a minimum of 16°C (60°F) to a maximum of 26°C (79°F), with an average of 21°C (70°F). This month is defined by high humidity levels at 93% and significant rainfall, totaling 141 mm (5.6 in) over about 10 days. In contrast, October brings a cooler climate, with temperatures ranging from 11°C (53°F) to 27°C (81°F) and an average of 19°C (66°F). Rainfall is slightly reduced to 109 mm (4.3 in) over 9 days, accompanied by a drop in humidity to 78%. For more detailed information, you can refer to Jeju City weather in October.
June and November present quite distinct weather profiles. In June, temperatures typically range from a minimum of 16°C (60°F) to a maximum of 26°C (79°F), with an average of 21°C (70°F). The month sees significant rainfall, averaging 141 mm (5.6 in) over about 10 days, paired with high humidity levels at 93%. In contrast, November experiences cooler temperatures, with lows of 6°C (43°F) and highs reaching 22°C (71°F), averaging around 14°C (57°F). Precipitation drops significantly to 46 mm (1.8 in) over approximately 7 days, and humidity decreases to a more comfortable 73%. For more detailed information, you can check Jeju City weather in November.
The weather in June showcases a mild climate with average temperatures ranging from 16°C (60°F) at night to a warm 26°C (79°F) during the day, accompanied by high humidity at 93% and significant precipitation of 141 mm (5.6 in) over 10 days. In contrast, December presents a cooler atmosphere, where temperatures dip to a chilly minimum of 0°C (33°F) and reach a maximum of 20°C (68°F), with an average of 9°C (48°F). The precipitation is lower, totaling 61 mm (2.4 in) still across 10 days, and the humidity decreases to 71%. For more details, visit Jeju City weather in December.
As June rolls into Jeju City, the weather transforms into a warm and inviting experience, marking a departure from the cooler months. With temperatures averaging around 21°C (70°F), the pleasant warmth is accompanied by a high level of humidity at 93%, which can create a lush and vibrant atmosphere. However, June also sees increased rainfall, with 141 mm of precipitation over approximately 10 days, making it one of the wetter months of the year. This unique combination of warmth and moisture fosters stunning natural beauty on the island, contrasting sharply with the drier, cooler conditions experienced in the preceding months. For more insights into Jeju City's delightful climate throughout the year, visit Jeju City Climate.