Last updated: October 30, 2025
March in Jeju City, South Korea welcomes the onset of spring with a blend of cool temperatures and moderate precipitation. Daily highs average around 18°C (65°F), while cooler evenings bring temperatures down to a minimum of 3°C (37°F). The overall average temperature hovers around 10°C (51°F), creating a crisp yet refreshing atmosphere. Rainfall is a notable feature this month, with approximately 101 mm (4.0 in) falling over 11 days, contributing to the island's lush landscapes. With humidity levels around 73%, visitors can expect a moderate climate perfect for exploring Jeju's natural beauty.
As March unfolds in Jeju City, South Korea, temperatures begin to shift noticeably, marking the transition from winter to spring. The month opens with a minimum of 3°C (37°F), signaling a welcome warmth compared to the preceding colder months. The average temperature rises to 10°C (51°F), creating a pleasant environment for outdoor activities, while the maximum reaches a comfortable 18°C (65°F). This upward trend in temperatures sets the stage for April's even milder conditions. Overall, March offers a delightful glimpse of spring’s arrival, as Jeju City gradually shakes off its winter chill and welcomes brighter days ahead.
In March, Jeju City witnesses a notable uptick in precipitation, with the rainfall amount reaching 101 mm (4.0 in) spread over 11 days. This marks a significant increase from the previous months, reflecting the transition into spring. The steady rise in precipitation from January's and February's relatively dry averages indicates a shift towards a wetter season, setting the stage for the island's vibrant floral display. Following March, the rainfall will continue to rise, peaking in the summer months, but this early surge not only invigorates the landscape but also enhances the island's charm as nature awakens from winter's slumber.
In March, Jeju City experiences a humidity level of 73%, a slight increase from February's 70%. This modest uptick marks the beginning of the island's transition into a more humid season, as spring begins to unfold. As the months progress towards summer, humidity consistently rises, peaking in July at a staggering 98%. This trend illustrates Jeju's climate shift from relatively comfortable conditions in early spring to the muggy, tropical atmosphere of summer. The rise in humidity in March hints at the warm, lush landscapes that await, making it an appealing time for visitors seeking to enjoy the island's natural beauty before the summer heat settles in.
As spring unfolds in Jeju City, South Korea, the UV Index takes a noticeable leap in March, reaching 7 and categorizing the exposure level as high. With a burn time of just 25 minutes, it’s crucial for residents and visitors alike to prioritize sun protection during this time. This upward trend in UV levels is likely to escalate further as the month progresses into April, where the index spikes to 9 and signals a very high exposure category. As warmer days approach, it becomes increasingly important to stay informed about UV levels to ensure safe and enjoyable outdoor experiences. For more insights on UV trends, visit Jeju City UV Index.
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March in Jeju City, South Korea, heralds the arrival of spring with a generous 267 hours of sunshine, marking a notable increase from the 228 hours seen in February. This upward trend in daylight is part of a broader pattern as the island transitions into warmer months. Following March, April and May continue to bask in even more sun, with hours climbing to 292 and 304 respectively. As daylight stretches into summer, Jeju consistently embraces the sun, showcasing its striking beauty and inviting atmosphere. With each passing month, the rising sunshine hours signal a vibrant, blossoming landscape that captivates both locals and visitors alike.
As spring begins to awaken Jeju City, the likelihood of sunny weather in March settles at 35%, indicating a slight dip from the 37% chance in February. This month serves as a transition period, hinting at brighter days ahead, with April promising an increase to 41%. The overall trend illustrates a gradual shift towards more sunshine as the year progresses, reaching its peak in October with an impressive 56% chance. Thus, while March may not guarantee countless sunny days, it marks an important step in moving away from the winter gloom towards the vibrant, sun-kissed skies of spring.
As winter gives way to spring in Jeju City, South Korea, the month of March marks a delightful shift in daylight duration, as the hours of sunlight increase to 11 hours. This gradual lengthening of daylight, observed since January and February where daylight remained consistent at 10 hours, foreshadows the vibrant energy of the upcoming months. With April and May offering 13 hours of daylight each, residents and visitors alike can look forward to longer days filled with outdoor activities and blooming landscapes. The steady progression towards summer peaks in June and July, where 14 hours of daylight invite exploration under the sun. This trend not only enhances the beauty of Jeju but also signals the arrival of a season brimming with life and activity.
In March, Jeju City experiences a notable shift in its winds, with the average speed dropping to 5.0 m/s (11 mph), aligning it with the calmer breezes of April. This change marks a departure from the more robust winds of the winter months, where January and February maintained a steady 6.5 m/s (14 mph). As spring unfolds, the gentle winds encourage blossoming flowers and inviting outdoor activities. Interestingly, the wind speeds continue to decrease as summer approaches, with May bringing in even lighter gales at 4.1 m/s (9 mph), creating a tranquil atmosphere ideal for enjoying Jeju's stunning natural beauty.
Weather in Jeju City varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Jeju City, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between January and March, March generally presents milder conditions. The average temperature in March is 10°C (51°F), which is notably warmer than January's average of 6°C (44°F). While January can dip to a minimum of -2°C (29°F), March experiences a more temperate minimum of 3°C (37°F). Precipitation is higher in March, with 101 mm (4.0 in) over about 11 days compared to January's 58 mm (2.3 in) across 10 days. Humidity remains fairly consistent between the two months, with March at 73% and January at 72%. For a closer look at January’s weather specifics, you can visit Jeju City weather in January.
March tends to be milder than February, with average temperatures rising from February's 7°C (44°F) to 10°C (51°F). The minimum temperature in March is notably higher at 3°C (37°F), compared to February's chilly -1°C (31°F). However, March brings more precipitation, amounting to 101 mm (4.0 in) over 11 days, in contrast to February's 59 mm (2.3 in) over 9 days. Despite the increase in rain, humidity remains relatively consistent, hovering around 73% in March versus 70% in February. For more details on February weather, visit Jeju City weather in February.
March and April present a noticeable shift in weather patterns. In March, temperatures range from a minimum of 3°C (37°F) to a maximum of 18°C (65°F), with an average temperature of 10°C (51°F) and precipitation totaling 101 mm (4.0 in) over 11 days. The humidity during this month sits at 73%. In contrast, April enjoys slightly warmer conditions, with temperatures fluctuating between a minimum of 6°C (43°F) and a maximum of 20°C (69°F), averaging 13°C (57°F). Rainfall decreases to 91 mm (3.6 in) over just 7 days, accompanied by increased humidity of 83%. For a detailed look at the weather in April, you can visit Jeju City weather in April.
March weather in Jeju City typically sees cooler temperatures, with a minimum of 3°C (37°F) and an average of 10°C (51°F), while May experiences significantly warmer temperatures, with a minimum of 10°C (51°F) and an average of 17°C (63°F). March also has higher precipitation levels, totaling 101 mm (4.0 in) over about 11 days, compared to May's 92 mm (3.6 in) across 9 days. Additionally, May is characterized by a higher humidity level of 89%, compared to March's 73%, creating a distinctly more humid atmosphere as spring unfolds. For more details, you can check Jeju City weather in May.
In March, the weather brings a cool transition from winter, with average temperatures ranging from a chilly 3°C (37°F) to a pleasant 18°C (65°F). This month experiences significant precipitation of 101 mm (4.0 in) over about 11 days, accompanied by a humidity level of 73%. In contrast, June offers a much warmer climate, with average temperatures varying from a comfortable minimum of 16°C (60°F) to a high of 26°C (79°F). However, June is also slightly wetter, experiencing 141 mm (5.6 in) of rainfall over around 10 days, along with increased humidity at 93%. For a more detailed look at the weather in June, visit Jeju City weather in June.
March and July present stark contrasts in weather patterns. In March, temperatures range from a chilly minimum of 3°C (37°F) to a comfortable maximum of 18°C (65°F), with average conditions settling around 10°C (51°F). The month sees considerable precipitation, totaling 101 mm (4.0 in) over 11 days, and a humidity level of 73%. Conversely, July brings much warmer conditions, with minimum temperatures starting at 19°C (67°F) and peaking at a high of 31°C (88°F). The average temperature reaches a balmy 25°C (77°F), accompanied by increased rainfall of 170 mm (6.7 in) over 14 days and notably high humidity at 98%. For more details on the conditions in July, you can check Jeju City weather in July.
In March, the weather is cool and somewhat wet, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 18°C (65°F) and an average of 10°C (51°F). This month sees about 101 mm (4.0 in) of precipitation over approximately 11 days, alongside a humidity level of 73%. In contrast, August brings hot and humid conditions, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 31°C (88°F), averaging 27°C (81°F). This summer month experiences higher precipitation at 197 mm (7.7 in) over about 15 days and a significantly elevated humidity level of 96%. For a closer look at August weather specifics, visit Jeju City weather in August.
In March, the weather features cooler temperatures with a minimum of 3°C (37°F) and an average of around 10°C (51°F), peaking at a maximum of 18°C (65°F). This month experiences moderate precipitation, averaging 101 mm (4.0 in) over about 11 days, paired with a humidity level of 73%.
In contrast, September brings much warmer and more humid conditions, with temperatures ranging from a minimum of 18°C (65°F) to an average of 23°C (74°F), reaching a maximum of 28°C (83°F). Precipitation is significantly higher, totaling 298 mm (11.7 in) over 15 days, and humidity increases to 84%. For more detailed weather insights, you can check Jeju City weather in September.
In March, temperatures in Jeju City range from a chilly minimum of 3°C (37°F) to a comfortable maximum of 18°C (65°F), with an average of 10°C (51°F). The month is marked by significant rainfall, totaling 101 mm (4.0 in) over approximately 11 days, accompanied by moderate humidity levels of 73%. In contrast, October experiences milder weather, with temperatures starting at a minimum of 11°C (53°F) and climbing to a maximum of 27°C (81°F), providing an average temperature of 19°C (66°F). Although October sees slightly higher precipitation at 109 mm (4.3 in) over just 9 days, the humidity also rises to 78%. For more details on October conditions, you can visit Jeju City weather in October.
March and November present distinct weather patterns, with both months experiencing similar humidity levels of 73%. March typically starts cooler, with minimum temperatures around 3°C (37°F) and averages of 10°C (51°F), while November is milder, featuring minimums of 6°C (43°F) and average temperatures of 14°C (57°F). Additionally, March tends to be wetter, with 101 mm (4.0 in) of precipitation over 11 days, compared to November's lighter rainfall of 46 mm (1.8 in) across 7 days. This makes November an ideal time for outdoor activities, offering warmer temperatures and less precipitation. For a detailed look at November weather in Jeju City, you can visit Jeju City weather in November.
March and December weather exhibit some notable differences. In March, temperatures range from a minimum of 3°C (37°F) to a maximum of 18°C (65°F), with an average temperature of 10°C (51°F). The month experiences a higher level of precipitation, totaling 101 mm (4.0 in) over 11 days, alongside a humidity level of 73%.
In contrast, December sees slightly cooler conditions, with a minimum of 0°C (33°F) and a maximum of 20°C (68°F), averaging 9°C (48°F). Precipitation is lighter, amounting to 61 mm (2.4 in) across 10 days, and humidity remains relatively stable at 71%. For more detailed insights, you can check Jeju City weather in December.
As winter starts to fade, March in Jeju City brings a refreshing transition into spring, characterized by a pleasant increase in temperatures and a noticeable rise in humidity. Unlike the colder months, where temperatures often linger below 10°C, March offers a maximum of 18°C, making outdoor exploration more inviting. However, it's also a month that sees increased rainfall, with 11 days of precipitation contributing to a total of 101 mm. This blend of mild temperatures and occasional showers creates a unique atmosphere, perfect for witnessing the blooming landscapes of Jeju. For more detailed insights into what to expect year-round, check out Jeju City Climate.