Last updated: October 30, 2025
Experience the vibrant month of July in Jeju City, South Korea, where warm temperatures and lush landscapes create a tropical paradise. With maximum temperatures reaching 31°C (88°F) and an average of 25°C (77°F), it's the perfect time to enjoy the island's stunning beaches and hiking trails. However, be prepared for some rain, as precipitation averages around 170 mm (6.7 in) over 14 days, accompanied by high humidity levels of 98%. This dynamic weather adds a lush green backdrop to your adventures, making it an ideal time to explore Jeju's natural beauty.
In July, Jeju City experiences its warmest temperatures, showcasing a delightful summer climate. With minimums around 19°C (67°F) and maximums peaking at 31°C (88°F), the island offers a pleasant atmosphere for beachgoers and outdoor enthusiasts alike. The average temperature of 25°C (77°F) indicates a steady rise from the milder months preceding it, particularly from June's average of 21°C (70°F). This upward trend toward the peak of summer not only encourages a vibrant tourism scene but also showcases the island's lush landscapes in full bloom, making July an ideal time to explore Jeju's natural beauty and cultural offerings.
In July, Jeju City experiences its peak precipitation, with a substantial 170 mm (6.7 in) of rainfall occurring over 14 days. This uptick marks a notable increase from the previous months, particularly following June's rainfall of 141 mm (5.6 in). The summer months, characterized by rising temperatures and humidity, see a transition into a wetter pattern, with August further intensifying this trend as it receives 197 mm (7.7 in). The consistent rise in rainfall from June through September paints a vivid picture of Jeju's distinctive monsoon season, where the landscape flourishes under the nourishing rain.
In July, Jeju City, South Korea, experiences its peak humidity, soaring to a staggering 98%. This sweltering month marks a significant rise from the already high figures of previous months, such as 93% in June and 89% in May. The trend clearly illustrates the island's transition into the height of summer, where the air becomes thick and muggy, setting a sultry backdrop for both locals and tourists. Following July, a slight decrease to 96% in August signals the beginning of a gradual transition into autumn, yet the lingering humidity still dominates the weather patterns through the season. As Jeju's humidity fluctuates throughout the year, July stands out as a month where the warmth of summer collides with nearly constant moisture, epitomizing the island's tropical character.
July in Jeju City, South Korea, brings an extreme UV Index of 12, matching August for the highest rating of the year. With a burn time of just 10 minutes, it’s crucial for residents and visitors to prioritize sun protection during this month. Following the trend of rising UV levels, July's index reflects a notable increase from earlier months, peaking after a gradual climb through spring and early summer. As temperatures soar, pay heed to the sun's intensity and consider staying in shaded areas or wearing protective clothing. For detailed information on UV levels throughout the year, visit Jeju City UV Index.
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In Jeju City, July marks a peak in sunshine, with an impressive 298 hours brightening the landscape, matching June's cheerful ambiance. This summer splendor is part of a broader trend, as the island basks in increasing sunlight from the beginning of the year, starting with a modest 166 hours in January. With each passing month, the sun graces Jeju longer, peaking in August at 318 hours, suggesting that the summer months are a time when nature truly shines. As summer gives way to autumn, the sunlight gently tapers off, with September and October seeing a decline, yet still retaining generous hours. This pattern promises a wonderful interplay of light and warmth, making July a perfect month for outdoor adventures in Jeju's stunning natural surroundings.
As summer approaches, the likelihood of sunny weather in Jeju City, South Korea, shifts notably. In July, this chance dips to 24%, making it one of the cloudier months of the year. This decline contrasts with the relatively higher probabilities seen in the spring months, where April boasts a 41% chance of sunshine. Following July, sunny days gradually rise again, peaking in the autumn. Interestingly, October and November present a remarkable turnaround with chances of 56% and 51% respectively, indicating that while July may be less favorable for sun-seekers, the later months reward patience with clearer skies and more pleasant weather.
In Jeju City, South Korea, daylight duration experiences a gradual increase as spring transitions into summer, peaking in July with 14 hours of sunlight. This vibrant month marks the zenith of daylight, following a steady rise from 10 hours in January to 14 hours in June. After July, daylight begins to taper off, with August offering a slight decrease to 13 hours, leading into the autumn months, where daylight decreases further. This seasonal ebb and flow not only enhances the island's lush landscapes but also invites visitors to bask in the sun-drenched beauty of Jeju during the peak of summer.
In July, Jeju City experiences a moderate average wind speed of 4.7 m/s (10 mph), showing a slight increase from the gentle breezes of June. This uptick marks a transition from the calmest winds of late spring, where speeds dropped to 3.3 m/s (7 mph), to a summer month that embraces a refreshing, invigorating airflow. While July's winds are still relatively soft compared to the gustier months in January and February, they are stronger than the pre-summer months, indicating that the city’s coastal charm remains vibrant and alive. As August nears, the winds are expected to ease again slightly, settling into the softer rhythm typical of summer on this beautiful island. Overall, July strikes a pleasing balance, providing just the right amount of breeze for both adventure seekers and leisurely explorers alike.
Weather in Jeju City varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Jeju City, focusing on differences in temperature, rainfall, humidity, and UV levels.
July and January present stark contrasts in weather, showcasing the diverse climate patterns of Jeju City. In July, temperatures range from a cool 19°C (67°F) to a warm 31°C (88°F), accompanied by high humidity at 98% and significant precipitation of 170 mm over 14 days. In contrast, January experiences much colder conditions, with temperatures dipping as low as -2°C (29°F) and averaging around 6°C (44°F). Precipitation is lighter in January, totaling 58 mm over 10 days, with humidity at a more moderate 72%. For more detailed insights, you can check Jeju City weather in January.
July and February present stark contrasts in weather. July boasts warm temperatures with a minimum of 19°C (67°F) and an average of 25°C (77°F), peaking at a sweltering 31°C (88°F). It also experiences high humidity at 98% and significant precipitation, accumulating 170 mm (6.7 in) over 14 days. In contrast, February offers much cooler conditions, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 17°C (63°F) and an average of just 7°C (44°F). This month also sees a decrease in precipitation to 59 mm (2.3 in) spread over 9 days and a more comfortable humidity level at 70%. For more detailed insights, you can check Jeju City weather in February.
The weather in July is notably warmer and more humid compared to March. In July, temperatures range from a minimum of 19°C (67°F) to a maximum of 31°C (88°F), with an average temperature of 25°C (77°F). This month also experiences higher precipitation, with about 170 mm (6.7 in) over approximately 14 days and a humidity level of 98%. In contrast, March presents a much cooler climate, with temperatures ranging from 3°C (37°F) to 18°C (65°F) and an average of 10°C (51°F). March sees less rainfall, totaling about 101 mm (4.0 in) over 11 days, and the humidity is significantly lower at 73%. For those interested in the specifics of March weather, more information can be found here: Jeju City weather in March.
In comparing the weather between April and July, it's clear that July is significantly warmer and more humid. In July, temperatures range from a minimum of 19°C (67°F) to a maximum of 31°C (88°F), with an average of 25°C (77°F). In contrast, April offers much cooler conditions, with temperatures varying from a minimum of 6°C (43°F) to a maximum of 20°C (69°F) and an average of 13°C (57°F). Additionally, July experiences higher precipitation, averaging 170 mm (6.7 in) over 14 days compared to April's 91 mm (3.6 in) spread over 7 days. Humidity levels also soar in July at 98%, compared to April's 83%. For more detailed information on April weather, you can check Jeju City weather in April.
When comparing the weather in July and May, July is noticeably warmer and more humid. The minimum temperatures in July are around 19°C (67°F), with an average of 25°C (77°F) and highs reaching 31°C (88°F), while May's temperatures are milder, with a minimum of 10°C (51°F), an average of 17°C (63°F), and a maximum of 24°C (75°F). Additionally, July experiences significantly more precipitation, with 170 mm (6.7 in) over 14 days compared to May's 92 mm (3.6 in) over just 9 days. The humidity in July is also higher at 98%, compared to 89% in May, making July feel quite more oppressive. For more details about the weather in May, visit Jeju City weather in May.
In comparing the weather between June and July, July tends to be warmer and more humid. 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). In contrast, July sees a higher temperature range, with minimums starting at 19°C (67°F) and maximums reaching up to 31°C (88°F) and an average of 25°C (77°F). Additionally, July experiences more precipitation, with 170 mm (6.7 in) over 14 days, compared to June's 141 mm (5.6 in) over 10 days. This increase in rainfall and humidity, which reaches 98% in July compared to June's 93%, creates a distinctly wetter atmosphere during the peak of summer. For more detailed insights on June weather in Jeju, you can check Jeju City weather in June.
When comparing the weather conditions in July and August, July tends to be slightly cooler with an average temperature of 25°C (77°F) compared to August’s warmer average of 27°C (81°F). Both months experience maximum temperatures around 31°C (88°F). However, August sees a higher minimum temperature of 22°C (72°F) compared to July’s 19°C (67°F). In terms of precipitation, August records more rain with 197 mm (7.7 inches) over 15 days, while July has 170 mm (6.7 inches) across 14 days. Additionally, humidity levels are marginally lower in August at 96% versus July's 98%. For more detailed insights, you can check Jeju City weather in August.
In comparing the weather of July and September, July typically experiences warmer temperatures, with a minimum of 19°C (67°F) and an average of 25°C (77°F), peaking at 31°C (88°F). However, it also sees significant rainfall, accumulating to 170 mm (6.7 in) over about 14 days, alongside a high humidity level of 98%. In contrast, September presents slightly cooler temperatures, with a minimum of 18°C (65°F) and an average of 23°C (74°F), reaching a maximum of 28°C (83°F). This month is marked by even higher precipitation, totaling 298 mm (11.7 in) over 15 days, though the humidity decreases to 84%. For further insights on weather conditions, see Jeju City weather in September.
In July, the weather is typically warm and humid, with average temperatures soaring to around 25°C (77°F) and maximum highs reaching 31°C (88°F). However, this month also brings considerable rainfall, amounting to 170 mm (6.7 in) over approximately 14 days, resulting in a humidity level of 98%. In contrast, October experiences much cooler temperatures, with averages dipping to 19°C (66°F) and maximums around 27°C (81°F). Precipitation in October is less frequent, totaling 109 mm (4.3 in) over about 9 days, and the humidity decreases to a more comfortable 78%. For a closer look at weather patterns in October, you can check Jeju City weather in October.
In July, the weather is notably warm, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 31°C (88°F) and an average of 25°C (77°F). The month is characterized by high humidity at 98% and significant rainfall, totaling 170 mm (6.7 in) over about 14 days. In contrast, November sees much cooler temperatures, with a minimum of 6°C (43°F), an average of 14°C (57°F), and a maximum of 22°C (71°F). Additionally, November has substantially lower precipitation at 46 mm (1.8 in) over roughly 7 days and a reduced humidity level of 73%. For more details on the weather in November, you can visit Jeju City weather in November.
July and December in Jeju City offer starkly contrasting weather experiences. In July, temperatures are warm, with a minimum of 19°C (67°F) and an average of 25°C (77°F), peaking at 31°C (88°F). The summer month sees substantial rainfall, accumulating 170 mm (6.7 in) over approximately 14 days, coupled with high humidity levels reaching 98%. In contrast, December is much cooler, featuring a minimum temperature of 0°C (33°F) and an average of 9°C (48°F), with a maximum of 20°C (68°F). Precipitation in December is lighter, totaling 61 mm (2.4 in) across about 10 days, and humidity drops to a more comfortable 71%. For a closer look at the December weather in Jeju City, visit Jeju City weather in December.
As July unfolds in Jeju City, the weather takes on a distinctly tropical flair, marked by higher temperatures and a noticeably humid atmosphere that sets it apart from other months. With daily averages reaching a comfortable 25°C (77°F), the warmth is complemented by frequent rain showers, contributing to a unique sense of lush greenery across the island. Travelers can expect wet days, as July experiences considerable precipitation, creating a vibrant, if sometimes sticky, environment perfect for exploration and discovery. For more detailed insights into Jeju's climate throughout the year, check out Jeju City Climate.