May Weather in Goseong, South Korea

Last updated: October 30, 2025

In Goseong, South Korea, May weather presents a delightful transition into warmer months. Average temperatures hover around 19°C (67°F), reaching a peak of 30°C (86°F), with nighttime lows dipping to a cool 11°C (51°F). This month, the region experiences about 102 mm (4.0 in) of rain over 6 days, contributing to the lush greenery that characterizes the area. High humidity levels at 83% create a pleasant, if slightly muggy, atmosphere, making May an ideal time to enjoy Goseong's natural beauty and vibrant landscapes.

May Temperature in Goseong

As May unfolds in Goseong, South Korea, temperatures experience a lively transformation, marking a transition from the crispness of spring to the warm embrace of early summer. With minimum temperatures rising to 11°C (51°F) and a comfortable average of 19°C (67°F), the region enjoys a pleasant atmosphere ideal for outdoor activities. The maximum temperature can reach a balmy 30°C (86°F), signaling the onset of warmer days perfect for basking in the sun or exploring local attractions. This month acts as a precursor to the hotter summer months, where temperatures consistently escalate, creating an inviting environment for both residents and visitors to indulge in the beauty of Goseong’s spring scenery.

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

The chart illustrates May temperature patterns in Goseong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Goseong, May typically has an average temperature of 19°C (67°F), with highs reaching up to 30°C (86°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec364051596773798273645239
Data source: Temperature data for Goseong 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 Goseong

May brings a notable uptick in precipitation in Goseong, South Korea, with an average rainfall of 102 mm (4.0 in) over 6 days. This increase follows a steady rise from 87 mm in April, highlighting May as a transitional month as the region heads into the wetter summer season. The consistent rainfall is a precursor to the heavy downpours that characterize June and July, where totals often exceed 160 mm and 240 mm, respectively. The trend shows that May serves as a pivotal bridge between the milder spring showers and the intense summer monsoon, setting the stage for the lush greenery that will flourish as temperatures rise.

May Precipitation Trends in Goseong

The chart displays monthly precipitation patterns in Goseong, 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 Goseong, May typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec27317487102162248157238952119
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Goseong

In May, Goseong, South Korea, experiences a significant rise in humidity, reaching 83%, a notable increase from the previous months. This surge marks the transition into summer, setting the stage for the even higher humidity levels that characterize the forthcoming months. Following the cooler and drier spring months, where humidity fluctuated between 65% and 75%, May serves as a pivotal point that foreshadows the peak humidity of 95% in July. As summer approaches, the air thickens, creating a distinctly muggy atmosphere that defines the coastal climate. This pattern illustrates how Goseong’s climate shifts from relatively comfortable spring to the warm and humid conditions typical of summer, transforming the experience of both residents and visitors alike.

May Average Humidity in Goseong

This chart illustrates the average monthly humidity levels in Goseong, 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 Goseong is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%67%65%75%83%87%95%93%80%77%75%73%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Goseong

In Goseong, South Korea, the UV Index during May peaks at 10, categorizing it as very high and necessitating a reduced burn time of just 15 minutes. This mirrors the previous month, April, which also marked a UV Index of 10. As the spring transitions into summer, the UV levels are indicative of intensifying sun exposure, especially leading into June when the index escalates to 11 and enters the extreme range. The data highlights a clear trend: as the year progresses, Goseong experiences a rising UV Index, making May a critical month for sun protection. To learn more about UV exposure in this region, visit Goseong UV Index.

Maximum UV Index Levels in Goseong for May

The chart shows the monthly maximum UV Index (UVI) for Goseong 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 Goseong typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec457101011121210753
Data source: Goseong 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 Goseong

In Goseong, South Korea, May heralds the arrival of bright sunshine, boasting an impressive 297 hours of sunlight, the highest of the year. This vibrant month not only marks a peak in sunny days but also signifies a delightful transition from the cooler months of winter and spring, where sunshine hours steadily increased from 198 hours in January to 277 hours in April. After May, sunshine hours begin to taper slightly, with June recording 291 hours and July dropping to 260 hours. Goseong's weather presents a beautiful rhythm, with luminous May encouraging outdoor activities and floral blooms, promising a splendid start to summer that lingers into the following months.

Monthly Sunshine Duration in Goseong: May Highlighted

The May sunshine duration represents the total number of hours Goseong 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.
JanFebMarAprMayJunJulAugSepOctNovDec198h241h271h277h297h291h260h287h241h262h239h244h
Data source: Goseong May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Goseong During May

In Goseong, South Korea, the likelihood of sunny weather takes a noticeable dip in May, with a sunshine probability of just 38%. This trend aligns with the transitioning spring into early summer, where sunshine starts to wane compared to the earlier months. Interestingly, April manages a slightly higher chance at 43%, indicating that despite the blooming beauty of May, cloudier days may overshadow the sunshine. As we move into the summer months, the probability continues to decrease dramatically, hitting a low of 19% in July. Therefore, while May offers a moderate chance of sunny weather, it ultimately marks the beginning of a more overcast season in Goseong.

Percentage of Sunny Days in May in Goseong

The chart illustrates the percentage of sunny days in Goseong 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 Goseong experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%54%39%43%38%30%19%29%32%55%69%76%
Data source: Goseong May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Goseong in May

In Goseong, South Korea, the daylight duration undergoes a captivating transformation throughout the year. Starting with a modest 10 hours in January and February, the days gradually lengthen, offering 11 hours by March and reaching 13 hours in both April and May. This consistent growth peaks in June and July, where the sun graces the sky for 14 hours, allowing residents to bask in long, energizing days. As summer wanes, daylight gradually diminishes to 13 hours in August and continues to recede to 12 hours by September. The shift becomes more pronounced in the autumn months, with daylight decreasing further to 11 hours in October and dropping to 10 hours in November before settling into the shorter days of winter at just 9 hours in December. This rhythmic cycle of light not only marks the changing seasons but also enhances the charm of Goseong’s natural beauty.

Average Daylight Hours in Goseong for May

The chart illustrates the variation in daylight duration in Goseong throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 4m10h 54m11h 58m13h 4m13h 59m14h 27m14h 13m13h 24m12h 22m11h 16m10h 19m9h 50m
Data source: Goseong daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Goseong

In Goseong, South Korea, the month of May presents a delightful mildness in wind conditions, with an average speed of 3.1 m/s (7 mph). This gentle breeze is a continuation of a spring trend, showing only a slight dip from April’s 3.2 m/s, contributing to the region's overall pleasant climate. Interestingly, the wind speeds in May are part of a consistent pattern witnessed from February to May, where velocities hover around the 3 m/s mark, perfectly balancing the warmth of the season. As the year progresses into June, the wind begins to shift, decreasing to 2.5 m/s (5 mph), marking the onset of summer and hinting at the calm that often characterizes the sultry months ahead.

Average May Wind Speed in Goseong

The chart displays monthly wind speed patterns in Goseong, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.33.13.23.1 m/s2.52.92.73.32.62.62.7
Data source: Goseong May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Goseong Compares to Other Months

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

May and January showcase stark contrasts in weather. In May, temperatures range from a mild 11°C (51°F) at night to a warm 30°C (86°F) during the day, with an average of 19°C (67°F). This month also brings higher humidity at 83% and more precipitation, totaling 102 mm (4.0 in) over approximately 6 days. In contrast, January is much cooler, featuring minimum temperatures plummeting to -11°C (13°F) and a peak of 16°C (60°F), averaging just 2°C (36°F). This winter month experiences significantly less precipitation, with only 27 mm (1.1 in) over 3 days and a lower humidity of 72%. For a more detailed view, check out Goseong weather in January.

May typically shows a much warmer climate compared to February. With average temperatures soaring to 19°C (67°F) and maximums reaching 30°C (86°F), May invites outdoor activities under the sun. In contrast, February offers a chillier experience, with average temperatures around 4°C (40°F) and nighttime lows dipping to -10°C (15°F). While May experiences relatively higher precipitation of 102 mm (4.0 in) over six days, February is drier, with only 31 mm (1.2 in) of rain falling across three days. Additionally, May's humidity is quite high at 83%, whereas February carries a more comfortable 67% humidity level. For more detailed information about February weather, you can visit Goseong weather in February.

The weather in May is significantly warmer than in March, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 30°C (86°F), while March experiences a more moderate range, with temperatures between 0°C (33°F) and 22°C (72°F). May averages a higher temperature of 19°C (67°F) compared to March's 10°C (51°F). Precipitation levels also differ, with May receiving 102 mm (4.0 in) over 6 days, whereas March sees 74 mm (2.9 in) spread across 7 days. Additionally, May has higher humidity at 83%, compared to March's 65%. For more detailed information on March's weather in Goseong, you can visit Goseong weather in March.

In comparing the weather of May and April, May showcases a noticeable increase in temperatures, with average highs reaching up to 30°C (86°F), compared to April's maximum of 24°C (75°F). The minimum temperatures in May also rise to 11°C (51°F), compared to April's cooler 5°C (41°F). However, May experiences slightly more precipitation, totaling 102 mm (4.0 in) over 6 days, compared to April's 87 mm (3.4 in) over the same number of days. Additionally, May has higher humidity levels at 83%, while April maintains a more moderate humidity at 75%. For a detailed look at April’s weather, you can visit Goseong weather in April.

May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 11°C (51°F) to a maximum of 30°C (86°F) with an average of 19°C (67°F). While the month experiences moderate rainfall of 102 mm (4.0 in) over 6 days, humidity sits at a relatively comfortable 83%. In contrast, June sees warmer conditions with minimum temperatures hitting 16°C (62°F) and an average reaching 23°C (73°F), while still allowing for a peak of 30°C (86°F). However, June is wetter, recording 162 mm (6.4 in) of precipitation over 8 days, accompanied by slightly increased humidity at 87%. For more detailed insights, you can refer to this link: Goseong weather in June.

In May, the weather is generally milder with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 30°C (86°F) and an average of 19°C (67°F). The month sees about 102 mm (4.0 in) of precipitation over roughly 6 days, accompanied by a humidity level of 83%. In contrast, July experiences significantly warmer temperatures, with a minimum of 19°C (67°F), an average of 26°C (79°F), and a peak of 36°C (97°F). This month also sees increased rainfall, with 248 mm (9.7 in) spread over 15 days, raising humidity levels to a high 95%. For more detailed insight, you can check Goseong weather in July.

May and August present distinct weather patterns. In May, temperatures range from a cool minimum of 11°C (51°F) to a warm maximum of 30°C (86°F), with an average of 19°C (67°F). The month experiences 102 mm (4.0 in) of precipitation over 6 days, and the humidity is relatively high at 83%. Conversely, August is much hotter, with minimum temperatures starting at 21°C (70°F) and peaking at 37°C (98°F), averaging 28°C (82°F). This month sees significantly more rainfall, totaling 157 mm (6.2 in) spread over 16 days, and the humidity rises to 93%, making it feel even warmer. For more details, you can check Goseong weather in August.

May and September present distinct weather patterns. In May, the temperatures range from a minimum of 11°C (51°F) to a maximum of 30°C (86°F), with an average of 19°C (67°F). This month experiences moderate humidity at 83% and approximately 102 mm (4.0 in) of rainfall spread over 6 days. In contrast, September sees slightly warmer weather, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 31°C (88°F), and an average of 23°C (74°F). However, it is also the wetter month, receiving about 238 mm (9.4 in) of precipitation over 13 days, accompanied by slightly lower humidity at 80%. For a more detailed look at September’s conditions, check out Goseong weather in September.

May generally experiences warmer temperatures compared to October, with average highs reaching up to 30°C (86°F) and lows around 11°C (51°F), while October's temperatures range from a minimum of 6°C (43°F) to a maximum of 29°C (84°F). Both months have relatively high humidity, but May is slightly more humid at 83%, compared to October's 77%. In terms of precipitation, May sees slightly more rainfall at 102 mm (4.0 in) over 6 days, whereas October has 95 mm (3.7 in) over just 5 days. For further details on October weather, check Goseong weather in October.

May and November present strikingly different weather patterns. In May, temperatures range significantly with a minimum of 11°C (51°F) and a maximum of 30°C (86°F), resulting in an average of 19°C (67°F). The month experiences considerable precipitation at 102 mm (4.0 in) over about 6 days, alongside high humidity levels of 83%. In contrast, November sees much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 23°C (73°F), averaging only 11°C (52°F). The precipitation is significantly lower at 21 mm (0.8 in) spread over just 2 days, and the humidity decreases to 75%. For more details on November weather, visit Goseong weather in November.

May and December offer starkly contrasting weather experiences. In May, temperatures range from a mild 11°C (51°F) at night to a warm maximum of 30°C (86°F) during the day, with an average of 19°C (67°F). The month sees substantial rainfall, with 102 mm (4.0 in) over approximately 6 days, and high humidity at 83%. In comparison, December is much cooler, with temperatures dipping to a minimum of -7°C (20°F) at night and only reaching a maximum of 17°C (63°F), averaging around 4°C (39°F). Precipitation is significantly lower at 19 mm (0.8 in) over just 3 days, and humidity decreases to 73%. For a detailed overview of December weather, you can check out Goseong weather in December.

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Conclusion: What to Expect From May Weather in Goseong

As May unfolds in Goseong, the weather transitions into a warmer and more vibrant phase compared to the cooler months preceding it. During this time, you can expect an inviting blend of mild temperatures and occasional rainfall, creating a lush and refreshing atmosphere. The average temperature climbs, allowing for comfortable outdoor activities, while humidity levels peak at 83%, giving the air a moist and invigorating quality. Though there are some rainy days, the overall conditions are favorable, making May an ideal time to explore the natural beauty of this coastal gem. For more detailed insights on what to expect throughout the year, check out Goseong Climate.