May Weather in Seogwipo, South Korea

Last updated: October 30, 2025

May in Seogwipo, South Korea, offers a delightful spring experience, with temperatures ranging from a maximum of 25°C (78°F) to an average of 18°C (64°F), and dipping to a minimum of 10°C (49°F). This month finds Seogwipo basking in high humidity levels at 89%, creating a lush atmosphere ideal for outdoor adventures. However, visitors should be prepared for occasional showers, as the city experiences 125 mm (4.9 in) of rain over approximately 9 days. Embrace the vibrant beauty of May, where each day promises a blend of warmth, greenery, and the refreshing scent of spring rains.

May Temperature in Seogwipo

In May, Seogwipo begins to bask in the warmth of spring, showcasing pleasant temperatures that herald the arrival of summer. With a minimum of 10°C (49°F) and an average of 18°C (64°F), the city experiences a significant rise from the previous months, reflecting a vibrant transition. The maximum temperature soars to 25°C (78°F), inviting residents and visitors alike to enjoy outdoor activities and the blossoming natural beauty. This month not only marks a departure from the chilly winter but also sets the stage for the coming heat of summer, making it a delightful time to explore this charming coastal city.

May Weather in Seogwipo: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Seogwipo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seogwipo, May typically has an average temperature of 18°C (64°F), with highs reaching up to 25°C (78°F) and lows dropping to around 10°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec434350566471778174665747
Data source: Temperature data for Seogwipo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Seogwipo

May marks a significant transition in Seogwipo's weather, with precipitation surging to 125 mm (4.9 in), making it one of the wettest months of the year. The rainfall, which occurs over nine days, indicates a shift as the region moves from the milder, drier spring into the wetter summer months. Compared to April's 105 mm (4.1 in), May showcases an increase that sets the stage for the heavier downpours of June, which typically sees a dramatic rise in precipitation. This increase in rainfall not only nourishes the lush landscapes of Jeju Island but also signals the arrival of the monsoon season, characterized by more frequent wet days. As May progresses, Seogwipo experiences a vibrant transformation, with nature coming alive amid the refreshing showers.

May Precipitation Trends in Seogwipo

The chart displays monthly precipitation patterns in Seogwipo, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Seogwipo, May typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec46531091051251612322903251224154
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Seogwipo

In May, Seogwipo experiences a notable increase in humidity, reaching 89%—an ascent that signifies the transition into summer's embrace. This month showcases a dramatic rise from April’s 83%, suggesting a palpable shift towards a more tropical climate. As temperatures climb, the air becomes thick with moisture, setting the stage for the sultry months ahead. Following May, humidity peaks in June with a staggering 93%, indicating that the warm season is firmly established. Overall, the trend reveals that as spring gives way to summer, residents and visitors in Seogwipo should prepare for increasingly humid conditions that linger well into the season.

May Average Humidity in Seogwipo

This chart illustrates the average monthly humidity levels in Seogwipo, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Seogwipo is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%70%73%83%89%93%98%96%84%78%73%71%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Seogwipo

In May, Seogwipo experiences a persistent peak in UV intensity, with a UV Index of 10 categorized as very high. This trend of elevated UV exposure began in April and continues through the month, giving beachgoers and outdoor enthusiasts just 15 minutes before risking sunburn. The high levels of UV radiation prompt a crucial reminder for residents and visitors alike to prioritize sun safety measures, such as wearing protective clothing and applying sunscreen. As summer approaches, the UV Index will escalate even further, reaching extreme levels by June. For more information on UV levels throughout the year, visit Seogwipo UV Index.

Maximum UV Index Levels in Seogwipo for May

The chart shows the monthly maximum UV Index (UVI) for Seogwipo in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Seogwipo typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101011121210764
Data source: Seogwipo May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Seogwipo

May in Seogwipo, South Korea, shines brightly as the month beams with 298 hours of sunlight, marking it as one of the sunniest periods of the year. Following a steady increase from January’s 150 hours, the sunshine hours rise significantly each month, peaking in August with an impressive 312 hours. This upward trend showcases the gradual warming and lengthening days as spring transitions into summer, with April already hinting at summer's arrival with 288 hours. As the year progresses, sunlight remains abundant, although it begins to taper off in the fall, with September's 258 hours signaling the start of shorter days. Overall, May stands out as a vibrant month, inviting both locals and visitors to bask in its sunny embrace before the sun gradually retreats as winter approaches.

Monthly Sunshine Duration in Seogwipo: May Highlighted

The May sunshine duration represents the total number of hours Seogwipo experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec150h222h261h288h298h289h291h312h258h265h224h187h
Data source: Seogwipo May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Seogwipo During May

In Seogwipo, South Korea, May presents a 34% chance of sunny weather, aligning closely with the percentages seen in the earlier spring months of March and April, which hover around 38-39%. This slight dip in sunshine is part of a broader trend where the likelihood of sunny days begins to decline as summer approaches, dropping to 20% by July. Comparatively, October and November show a more favorable return to sunnier skies, boasting 53% and 52%, respectively. While May offers a moderate chance for pleasant weather, the transition into summer leads to a notable reduction in sunny days, spotting a shift from the earlier months of the year.

Percentage of Sunny Days in May in Seogwipo

The chart illustrates the percentage of sunny days in Seogwipo throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Seogwipo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%39%38%39%34%29%20%30%32%53%52%42%
Data source: Seogwipo May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Seogwipo in May

In Seogwipo, South Korea, the daylight duration exhibits a clear seasonal trend, gradually increasing from 10 hours in January to a peak of 14 hours during the summer months of June and July. As spring arrives, daylight extends to 13 hours in both April and May, inviting residents and visitors to enjoy the blossoming landscapes. Following the summer, daylight begins to wane, transitioning to 12 hours in September and continuing its descent back to 10 hours by November. This cyclical pattern highlights the vibrant contrast between the long, sun-filled days of summer and the shorter, cozier daylight hours of winter, creating a dynamic experience throughout the year.

Average Daylight Hours in Seogwipo for May

The chart illustrates the variation in daylight duration in Seogwipo throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 12m10h 58m11h 58m13h13h 52m14h 17m14h 4m13h 19m12h 20m11h 19m10h 26m9h 58m
Data source: Seogwipo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Seogwipo

In May, the winds of Seogwipo, South Korea, begin to soften, with an average speed of 3.2 m/s (7 mph), marking a noticeable dip after the brisk breezes of earlier months. This month typically sees a transition towards calmer weather, as winds have gradually decreased since February's 4.7 m/s (11 mph), reaching their lowest point for the year in June. The trend suggests a shift from the vigorous gusts of winter and early spring, inviting visitors to enjoy the serene coastal scenery without the interference of strong winds. As the summer approaches, the gentle currents complement the lush landscapes, perfect for leisurely outdoor activities and appreciating the island's natural beauty.

Average May Wind Speed in Seogwipo

The chart displays monthly wind speed patterns in Seogwipo, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.94.73.73.73.2 m/s2.63.83.24.03.34.14.5
Data source: Seogwipo May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Seogwipo Compares to Other Months

Weather in Seogwipo varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Seogwipo, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January present contrasting weather patterns, highlighting the shift from the chill of winter to the warmth of spring. In May, temperatures range from a minimum of 10°C (49°F) to a maximum of 25°C (78°F), with an average of 18°C (64°F), while January sees much cooler temperatures, dipping as low as -3°C (27°F) and averaging only 6°C (43°F), peaking at 18°C (65°F). Additionally, May experiences a higher level of precipitation, with 125 mm (4.9 inches) spread over 9 days, compared to January's 46 mm (1.8 inches) over just 7 days. Moreover, the humidity in May is notably higher at 89%, while January's humidity is a more moderate 72%. For more detailed information on January weather, visit Seogwipo weather in January.

May and February present strikingly different weather patterns. In May, temperatures range from a minimum of 10°C (49°F) to a maximum of 25°C (78°F), peaking at an average of 18°C (64°F). The month sees relatively high humidity at 89% and notable rainfall, with 125 mm (4.9 in) recorded over 9 days. In contrast, February offers much cooler conditions, with temperatures swinging from a chilly -2°C (29°F) to a maximum of 17°C (63°F) and an average of 6°C (44°F). Rainfall is significantly lower at 53 mm (2.1 in) over 8 days, accompanied by a lower humidity level of 70%. For more details, check out Seogwipo weather in February.

In comparing the weather of May and March, there's a clear shift from the cool beginnings of spring to the warmth of early summer. In March, temperatures range from a chilly minimum of 2°C (37°F) to a comfortable maximum of 19°C (66°F), with an average temperature of 10°C (51°F). The humidity stands at 73%, and with 108 mm (4.3 in) of precipitation over 9 days, the weather can feel quite damp. In contrast, May brings more pleasant conditions, with temperatures soaring from a minimum of 10°C (49°F) to a maximum of 25°C (78°F), averaging at 18°C (64°F). Although precipitation slightly increases to 125 mm (4.9 in) over the same number of days, the higher humidity of 89% can make it feel more intense. For a closer look at the specific conditions in March, you can refer to Seogwipo weather in March.

In comparing the weather of May and April, May tends to be warmer and more humid. The average temperature in May reaches 18°C (64°F), with a maximum of 25°C (78°F), while April's average temperature is lower at 14°C (57°F) and peaks at 22°C (71°F). Additionally, May experiences slightly more precipitation, measuring 125 mm (4.9 in) over 9 days compared to April's 105 mm (4.1 in) over 7 days. The humidity also rises in May to 89%, up from April's 83%. For more detailed information, you can check Seogwipo weather in April.

In comparing the weather between May and June, June generally presents warmer temperatures, with average highs reaching 27°C (81°F) compared to May’s maximum of 25°C (78°F). The minimum temperatures also rise, sitting at 15°C (59°F) in June, up from May’s 10°C (49°F). However, June sees a slight increase in precipitation, totaling 160 mm (6.3 in) over 11 rainy days, compared to May's 125 mm (4.9 in) spread across 9 days. Additionally, humidity levels are higher in June, averaging 93% versus May’s 89%. For more detailed insights, you can check Seogwipo weather in June.

In comparing the weather between May and July, a noticeable shift in temperature and humidity is evident. May experiences milder conditions with temperatures ranging from a minimum of 10°C (49°F) to a maximum of 25°C (78°F), and an average of 18°C (64°F). However, it also brings significant rainfall with 125 mm (4.9 in) over approximately 9 days and a relatively high humidity of 89%. In contrast, July sees much warmer temperatures with a minimum of 19°C (66°F) and a peak of 32°C (91°F), averaging around 25°C (78°F). This month is characterized by heavier precipitation, receiving 232 mm (9.1 in) spread over 17 days, along with a notable increase in humidity, reaching 98%. For a more detailed look at July weather, check out Seogwipo weather in July.

May and August present quite contrasting weather patterns. In May, the temperatures range from a pleasant minimum of 10°C (49°F) to a maximum of 25°C (78°F), with an average temperature of 18°C (64°F). This month experiences moderate rainfall of 125 mm (4.9 in) over about 9 days, and humidity sits at a relatively comfortable 89%. In stark contrast, August brings much warmer temperatures, with a minimum of 22°C (71°F), an average of 27°C (81°F), and a peak of 32°C (91°F). However, this warmth comes with increased precipitation, totaling 290 mm (11.4 in) across approximately 20 days, and humidity levels rise to a steamy 96%. For more specific insights into August weather conditions, you can check Seogwipo weather in August.

May and September offer contrasting weather experiences. May typically sees milder temperatures, with averages around 18°C (64°F) and a maximum of 25°C (78°F), while September brings warmer conditions, featuring an average temperature of 23°C (74°F) and highs reaching 30°C (87°F). Rainfall also differs significantly; May experiences 125 mm (4.9 in) of precipitation over 9 days, whereas September has much heavier rainfall at 325 mm (12.8 in) spread across 16 days. Additionally, humidity levels in May are slightly higher at 89%, compared to September's 84%. For more detailed insights into September's weather, check out Seogwipo weather in September.

May and October present mild and pleasant weather, but with a few notable differences. May typically sees temperatures ranging from a minimum of 10°C (49°F) to a maximum of 25°C (78°F), with an average of 18°C (64°F). This month also experiences higher humidity at 89% and more rainfall, averaging 125 mm (4.9 in) over 9 days. In contrast, October features slightly warmer temperatures, with a minimum of 11°C (52°F) and a maximum of 28°C (82°F), resulting in an average of 19°C (66°F). The month is characterized by lower humidity at 78% and slightly less precipitation, totaling 122 mm (4.8 in) over 8 days. For a detailed look at weather conditions in October, you can check out Seogwipo weather in October.

May typically offers a warmer and more humid climate compared to November, with average temperatures ranging from a minimum of 10°C (49°F) to a maximum of 25°C (78°F). In contrast, November's temperatures are cooler, averaging between 6°C (43°F) and 23°C (73°F), making it a more temperate month overall. Additionally, May experiences significantly more rainfall, with 125 mm (4.9 in) spread over 9 days, while November sees only 41 mm (1.6 in) on about 6 days. The humidity in May is also higher at 89%, compared to November's 73%. For more detailed information on November weather, you can check out Seogwipo weather in November.

May and December weather present a stark contrast. In May, temperatures range from a mild 10°C (49°F) at night to a warm 25°C (78°F) during the day, creating a pleasant average of 18°C (64°F). The month also sees significant precipitation, with about 125 mm (4.9 in) falling over 9 days, resulting in high humidity levels of 89%. In contrast, December experiences much cooler temperatures, with nighttime lows dropping to -1°C (31°F) and daytime highs reaching 20°C (68°F) for an average of 8°C (47°F). Precipitation in December is less, totaling 54 mm (2.1 in) across 8 days, and humidity decreases to 71%. For more details on December weather, you can check Seogwipo weather in December.

Compare Seogwipo's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Seogwipo

As May rolls in, Seogwipo experiences a delightful transition into warmer weather, characterized by mild temperatures and a noticeable increase in humidity. Compared to the chillier months of winter and early spring, where temperatures often hover around 10°C, May boasts a refreshing average of 18°C, making it perfect for outdoor adventures. While this month does bring some rainfall, with about nine days of precipitation, it is still a welcomed change that breathes life into the lush landscapes of the region. This blend of warmth and vibrancy makes May a charming time to explore Seogwipo's natural beauty. For a deeper dive into Seogwipo's weather trends, check out the detailed Seogwipo Climate.