May Weather in Suncheon, South Korea

Last updated: October 30, 2025

May in Suncheon, South Korea showcases a delightful transition into warmer weather, characterized by a maximum temperature reaching 32°C (90°F) and a comfortable average of 18°C (65°F). As spring unfolds, temperatures can dip to a minimum of 4°C (40°F), providing a refreshing contrast. This month experiences approximately 128 mm (5.0 in) of rainfall over about 8 days, contributing to the lush landscape typical of the region. With an impressive humidity level of 85%, the weather can feel quite tropical, making it an ideal time for outdoor activities amid the verdant scenery.

May Temperature in Suncheon

In Suncheon, South Korea, the month of May ushers in a delightful warmth, with temperatures rising significantly from the chilly earlier months. Starting with a minimum of 4°C (40°F), the month quickly averages around 18°C (65°F), culminating in a maximum of 32°C (90°F). This sharp increase highlights a notable trend as the spring season transitions into summer, showcasing a vibrant shift in the climate. The mild nights offer a comfortable setting, while the warm afternoons invite locals and visitors alike to embrace the outdoors. As nature flourishes with blooming flora, May stands out as a time of renewal and warmth in Suncheon, making it an ideal month for exploration and enjoying the scenic beauty.

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

The chart illustrates May temperature patterns in Suncheon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Suncheon, May typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (90°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec333747556471777971604836
Data source: Temperature data for Suncheon 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 Suncheon

In May, Suncheon experiences a significant increase in precipitation, with 128 mm (5.0 in) of rainfall over approximately 8 days. This marks a notable jump from the preceding months, reflecting the transition into the wetter season as temperatures begin to rise. The increase in rainfall is consistent with the patterns observed in April, which also saw substantial precipitation, though May stands out as the monthly total approaches nearly 50% more rain, setting the stage for the even heavier showers that follow in June. As the rainy season kicks off, May not only nourishes the lush greenery of Suncheon but also prepares the region for summer's more intense downpours.

May Precipitation Trends in Suncheon

The chart displays monthly precipitation patterns in Suncheon, 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 Suncheon, May typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec323787881281853052382411093124
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Suncheon

In May, Suncheon experiences a notable rise in humidity, reaching 85%, which marks a significant uptick from the previous months. This increase is part of a broader trend, as humidity levels generally build throughout the spring, climaxing in the sweltering summer months. Following April’s already elevated 78%, May sets the stage for the peak summer humidity that follows, with June and July soaring to 87% and 95%, respectively. As the warmth of late spring merges with unpredictable rainfall, residents can expect a lush and vibrant landscape but should also prepare for the stickiness that characterizes the approaching summer. With humidity steadily increasing, May serves as both a transitional period and an early warning of the tropical conditions to come.

May Average Humidity in Suncheon

This chart illustrates the average monthly humidity levels in Suncheon, 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 Suncheon is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%68%67%78%85%87%95%93%80%78%76%73%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Suncheon

As May unfolds in Suncheon, South Korea, residents and visitors experience a very high UV Index of 10, similar to April's levels, where the sun’s intensity continues to demand attention. With a burn time of just 15 minutes, it’s crucial for everyone to take protective measures when venturing outdoors. This elevated UV exposure marks a significant shift from the milder conditions of earlier months, such as January and February, which had moderate UV Index levels of 4 and 5, respectively. As we transition into summer, the UV Index escalates even further, reaching extreme heights in June and July. Therefore, as May approaches, it's vital to stay informed about the UV trends. For more detailed information, check out Suncheon UV Index.

Maximum UV Index Levels in Suncheon for May

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

In Suncheon, South Korea, May marks the pinnacle of sunshine hours, basking in an impressive 296 hours of sunlight. This delightful month reveals a clear upward trend in daylight, following a gradual increase from 195 hours in January to a steady rise through the spring. The days grow longer and brighter, peaking in May before a slight tapering in June, where 288 hours are still abundant. The consistent surge in sunlight not only transforms the landscape but also infuses the atmosphere with an undeniable sense of warmth and vitality, making May a truly radiant time to experience the beauty of Suncheon.

Monthly Sunshine Duration in Suncheon: May Highlighted

The May sunshine duration represents the total number of hours Suncheon 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.
JanFebMarAprMayJunJulAugSepOctNovDec195h237h270h274h296h288h247h276h237h260h237h236h
Data source: Suncheon May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Suncheon During May

In Suncheon, South Korea, the likelihood of sunny weather in May stands at 39%, a slight dip from the previous month’s 40% but still indicative of the transition from spring to early summer. As the year unfolds, a notable trend emerges: while winter months like January and February boast a solid 50% and 47% chance of sunshine, the sunny days dwindle through the hot summer, reaching a low of 15% in July. Interestingly, the fall months rebound, with sunshine probabilities climbing back to 55% in October and peaking at an impressive 63% in December. Thus, while May’s sunshine potential may not be as robust as earlier months, it sets the stage for the vibrant, sun-filled days that characterize late spring in Suncheon.

Percentage of Sunny Days in May in Suncheon

The chart illustrates the percentage of sunny days in Suncheon 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 Suncheon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%47%36%40%39%28%16%26%28%55%61%63%
Data source: Suncheon May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Suncheon in May

In Suncheon, South Korea, the transition from winter to summer unfolds with an increasing amount of daylight that enhances the vibrancy of each month. Starting at 10 hours in January and February, daylight begins to stretch in March to 11 hours, heralding the arrival of spring. By April, Suncheon basks in 13 hours of sunlight, a trend that continues into May, providing perfect conditions for outdoor activities. As the days reach their peak in June and July with 14 hours of daylight, the region enjoys the longest sun-filled days of the year. This gradual decrease begins in August, where daylight gently tapers back to 13 hours before transitioning into the cooler months, signaling a return to shorter days at 12 hours in September and descending further as autumn settles in. The pattern reveals a clear cycle of increasing and then decreasing daylight, reflecting the natural rhythm of seasons, making Suncheon a delightful place to experience the shifts of nature throughout the year.

Average Daylight Hours in Suncheon for May

The chart illustrates the variation in daylight duration in Suncheon throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 5m10h 54m11h 58m13h 4m13h 59m14h 27m14h 13m13h 24m12h 21m11h 16m10h 19m9h 50m
Data source: Suncheon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Suncheon

In Suncheon, South Korea, the month of May typically experiences a gentle breeze, with an average wind speed of 2.6 m/s (6 mph), mirroring the conditions of January and April. As spring unfolds, the milder winds seem to usher in a sense of renewal, providing a delightful backdrop for outdoor activities. This month sits comfortably between the brisk gusts of earlier spring and the calmer, warmer days that herald summer. Interestingly, a noticeable decline follows in June and August, where the wind calms to its lowest speeds of the year. Overall, May stands out as a transitional period, balancing invigorating breezes with the anticipation of hotter days ahead.

Average May Wind Speed in Suncheon

The chart displays monthly wind speed patterns in Suncheon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.63.12.52.82.6 m/s1.92.11.82.42.02.52.7
Data source: Suncheon May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Suncheon Compares to Other Months

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

In May, temperatures in Suncheon range from a chilly 4°C (40°F) at night to a warm 32°C (90°F) during the day, with an average of 18°C (65°F). The month is characterized by high humidity at 85% and significant rainfall, totaling 128 mm (5.0 in) over about 8 days. In contrast, January presents a starkly different climate: temperatures can drop as low as -16°C (4°F) at night, with a mild daytime high of 15°C (59°F) and an average of just 1°C (34°F). This month experiences much less precipitation, with only 32 mm (1.3 in) spread over 3 days and lower humidity at 71%. For more details, visit Suncheon weather in January.

May and February present strikingly different weather conditions. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 32°C (90°F), yielding a pleasant average of 18°C (65°F) with high humidity at 85%. This month also experiences significant rainfall, accumulating about 128 mm (5.0 in) over approximately 8 days. In contrast, February features much colder temperatures, with a minimum of -12°C (10°F) and a maximum of 23°C (73°F), resulting in an average of just 3°C (37°F). Precipitation is notably lower in February, totaling around 37 mm (1.4 in) over 4 days, and the humidity sits at a cooler 68%. For a detailed look at the weather conditions during this month, you can visit Suncheon weather in February.

When comparing the weather in May and March, notable differences emerge. May tends to be significantly warmer, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 32°C (90°F), while March experiences cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 24°C (76°F). Additionally, May is marked by higher humidity levels at 85%, compared to March's more moderate 67%. Precipitation is also higher in May, totaling 128 mm (5.0 inches) over 8 days, while March sees 87 mm (3.4 inches) over 7 days. For more specific insights on March weather, check out Suncheon weather in March.

In comparing the weather between April and May, it’s clear that May brings warmer temperatures, with a minimum of 4°C and an average of 18°C, peaking at 32°C. In contrast, April starts off cooler, featuring a minimum of -1°C and an average of 13°C, with a maximum of 27°C. Additionally, May experiences more rainfall, totaling 128 mm over 8 days, compared to April's 88 mm over 7 days. The humidity levels also rise in May, reaching 85%, while April maintains a lower humidity of 78%. For more detailed insights, you can check Suncheon weather in April.

May and June present a noticeable shift in weather patterns. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 32°C (90°F), with an average of 18°C (65°F). The month receives about 128 mm (5.0 in) of precipitation over 8 days, featuring high humidity at 85%. In contrast, June sees warmer temperatures with a minimum of 12°C (53°F), an average of 22°C (71°F), and the same maximum of 32°C (90°F). Precipitation increases to 185 mm (7.3 in) over 10 days, accompanied by slightly higher humidity at 87%. This change indicates a trend towards warmer and wetter conditions as the season progresses. For more detailed information about June weather, check Suncheon weather in June.

May and July present contrasting weather conditions. In May, temperatures range from a cool minimum of 4°C (40°F) to a warm maximum of 32°C (90°F), with an average of 18°C (65°F). The month experiences moderate precipitation of 128 mm (5.0 in) over 8 days and a relatively high humidity level of 85%. In contrast, July is notably warmer, with minimum temperatures starting at 17°C (63°F) and reaching up to 35°C (95°F), averaging around 25°C (77°F). However, July also brings significantly more rain, with 305 mm (12.0 in) falling over 16 days and humidity levels rising to 95%. For more specific weather details, you can check Suncheon weather in July.

May and August present a contrasting picture in terms of weather. In May, temperatures range from a cool minimum of 4°C (40°F) to a warm maximum of 32°C (90°F), with an average of 18°C (65°F). This month experiences significant rainfall with a total of 128 mm (5.0 in) over approximately 8 days, coupled with a relatively high humidity of 85%. In contrast, August boasts much warmer temperatures, with a minimum of 17°C (63°F), an average of 26°C (80°F), and a peak of 35°C (95°F). The precipitation increases notably to 238 mm (9.4 in) spread over 17 days, and humidity rises to 93%, making it feel more oppressive. For a closer look at the weather conditions in August, you can visit Suncheon weather in August.

In May, the weather features a wider temperature range, with minimums dipping to 4°C (40°F) and maximums peaking at 32°C (90°F), creating a pleasant average of 18°C (65°F). The month sees about 128 mm (5.0 in) of rain over approximately 8 days, coupled with high humidity at 85%. In contrast, September offers slightly milder temperatures, with minimums starting at 10°C (51°F) and maximums reaching 31°C (87°F), averaging around 21°C (71°F). However, it experiences higher rainfall at 241 mm (9.5 in) over 14 days, along with slightly lower humidity at 80%. For those curious about specific weather conditions in September, you can find more details here: Suncheon weather in September.

May and October present contrasting weather patterns, reflecting the transition from spring to autumn. In May, temperatures can range from a minimum of 4°C (40°F) to a maximum of 32°C (90°F), with an average of 18°C (65°F). The month also sees a decent amount of rainfall, totaling 128 mm (5.0 in) over 8 days, coupled with high humidity at 85%. On the other hand, October offers cooler temperatures, with a minimum of 1°C (34°F) and an average of 16°C (60°F), peaking at 29°C (84°F). Precipitation is slightly lower at 109 mm (4.3 in) over just 5 days, and the humidity is less oppressive at 78%. For a more detailed look at October weather, visit Suncheon weather in October.

May and November showcase distinctly different weather patterns. In May, temperatures range from a refreshing 4°C (40°F) to a warm 32°C (90°F), with an average of 18°C (65°F), making it a month full of vibrant spring warmth. However, it also brings significant rainfall, accumulating to 128 mm (5.0 in) over about 8 days, coupled with high humidity levels at 85%.

In contrast, November transitions into cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 23°C (74°F), averaging around 9°C (48°F). Rainfall is significantly less, with only 31 mm (1.2 in) falling over just 3 days, and humidity drops to 76%. For more specific information about weather conditions in this month, you can refer to Suncheon weather in November.

May and December present stark contrasts in weather. May enjoys a warm average temperature of 18°C (65°F), with highs reaching up to 32°C (90°F), while December experiences a much colder atmosphere, averaging just 2°C (36°F) and dipping to lows of -11°C (12°F). Additionally, May sees significantly more precipitation at 128 mm (5.0 in) over about 8 days, compared to December's modest 24 mm (0.9 in) over only 3 days. Humidity levels are also higher in May at 85%, while December's humidity is lower at 73%. For more details on December weather specifically in Suncheon, check out Suncheon weather in December.

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Conclusion: What to Expect From May Weather in Suncheon

In May, Suncheon experiences a delightful transformation as spring gracefully unfolds into early summer. The temperatures rise, offering a sweet respite from the winter chill, with pleasant days that often flirt with warmth, while nighttimes remain refreshingly cool. This month sees an uptick in humidity, contributing to the lush landscapes and vibrant blooms that define the season. Though rain is a companion, arriving on about eight days and totaling 128 mm, it only adds to the beauty of the surroundings rather than disrupting daily activities. For a deeper understanding of what to expect, check out Suncheon Climate.