May Weather in Changwon, South Korea

Last updated: October 30, 2025

May in Changwon, South Korea, is characterized by a pleasant mix of temperate conditions and burgeoning humidity. With maximum temperatures reaching up to 33°C (92°F), and an average of 19°C (66°F), the month radiates warmth, though cooler spells can dip to a minimum of 6°C (43°F). Rainfall is moderate, totaling 96 mm (3.8 in) across approximately 9 days, contributing to an average humidity of 83%. This combination creates a vibrant atmosphere as the region transitions into summer, making it an ideal time for outdoor activities amidst occasional shower interruptions.

May Temperature in Changwon

As spring transitions into summer, May in Changwon, South Korea offers a delightful awakening of warmth and vibrancy. With minimum temperatures rising to 6°C (43°F) and averaging around 19°C (66°F), the city experiences a refreshing shift from the cooler months. The maximum temperature can soar to a balmy 33°C (92°F), making it an ideal time for outdoor activities and enjoying the blooming landscape. Compared to the preceding months, May showcases a significant increase in warmth, fostering a lively atmosphere perfect for exploring the city's parks and cultural sites. This month truly encapsulates the beauty of spring in Changwon, inviting both locals and visitors to soak in the pleasant weather before the summer heat sets in.

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

The chart illustrates May temperature patterns in Changwon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Changwon, May typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (92°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec363949576672788172625038
Data source: Temperature data for Changwon 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 Changwon

May in Changwon, South Korea, marks a significant transition in the weather pattern, with precipitation reaching 96 mm (3.8 in) over 9 days. This increase reflects a steady rise in rainfall that begins in late spring, following April's 93 mm. The month acts as a precursor to the heavy downpours of summer, setting the stage for June's dramatic leap to 162 mm. With May's rain averaging more than 10mm per day, the city is often enveloped in a lush, green vibrancy, as nature awakens in preparation for the warmer months ahead. As the precipitation days increase alongside the rainfall totals, residents find themselves amidst a dynamic climate, highlighting the unique rhythm of change in Changwon's weather.

May Precipitation Trends in Changwon

The chart displays monthly precipitation patterns in Changwon, 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 Changwon, May typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec2938869396162258190232972320
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Changwon

In May, humidity in Changwon, South Korea rises significantly to 83%, marking the transition into a more humid season. This uptick is part of a consistent pattern observed as the months progress; after a gradual decrease in humidity from the peak winter months of January through March, the levels begin to climb again in April and escalate sharply into summer. Following May, June and July witness the most significant humidity levels, soaring to 87% and 95%, respectively. This trend highlights how the approach of summer brings not only warmth but also a marked increase in moisture, making May a pivotal month that bridges the cooler, drier spring toward the sultry summer months.

May Average Humidity in Changwon

This chart illustrates the average monthly humidity levels in Changwon, 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 Changwon 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 Changwon

As spring transitions into summer, May in Changwon, South Korea, marks a pivotal shift in sun exposure, with a UV Index soaring to 10, categorized as very high. This demands heightened awareness, as residents and visitors can expect a burn time of just 15 minutes under the intense sun. Following the notable increase from April's UV Index of 10, the month of May aligns with trends of intensified solar radiation seen in June and July, when the index climbs further into the extreme range. With the shift in UV levels, it's crucial to take proactive sun protection measures. For detailed insights into UV trends throughout the year, visit Changwon UV Index.

Maximum UV Index Levels in Changwon for May

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

In Changwon, South Korea, May stands out as a radiant highlight in the calendar year, with an impressive 295 hours of sunshine illuminating the landscape. This surge in sunlight follows a steady increase from January's modest 196 hours, reflecting the gradual transition from winter to spring. Each month, more sunbeams grace the city, culminating in a vibrant May that ushers in the warmth of summer. As the days lengthen, June also benefits from abundant sunshine with 293 hours, but it is May that truly captures the essence of uplifting brightness, setting the tone for the sun-soaked months ahead. The consistent upward trend in daylight hours throughout spring not only elevates the spirits of the locals but also showcases the region's natural beauty.

Monthly Sunshine Duration in Changwon: May Highlighted

The May sunshine duration represents the total number of hours Changwon 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.
JanFebMarAprMayJunJulAugSepOctNovDec196h239h267h278h295h293h266h290h241h256h238h244h
Data source: Changwon May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Changwon During May

In Changwon, South Korea, the likelihood of sunny weather in May dips to 38%, reflecting a gradual decline from the sunnier days of earlier months. The start of the year shows a strong tendency for bright skies, with January at 59% and February at 55%. However, as spring unfolds, the chances of sunshine decrease, reaching their lowest point in the midst of summer, particularly in July with just 19%. This trend suggests that while May still holds some promise for sun, the city's residents and visitors might want to prepare for a mix of weather as they transition into the warmer months ahead.

Percentage of Sunny Days in May in Changwon

The chart illustrates the percentage of sunny days in Changwon 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 Changwon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%55%40%44%38%29%19%26%30%55%67%75%
Data source: Changwon May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Changwon in May

In Changwon, South Korea, the duration of daylight reveals a captivating seasonal rhythm. Starting from January and February, the city enjoys a steady 10 hours of light, but as March arrives, daylight begins to expand, reaching 11 hours. The transformation becomes even more pronounced in April, when the days stretch to 13 hours, paving the way for the long and luminous days of May and June, each offering 14 hours of sunlight. As summer gradually transitions into fall, daylight slightly diminishes, dropping to 13 hours in August and then tapering to 12 hours in September. By the time October rolls around, daylight recedes to 11 hours, before falling back to 10 hours in November and finally to 9 hours in December. This cycle of increasing and decreasing daylight not only marks the changing seasons but also invites residents and visitors alike to engage more with the beauty of nature throughout the year.

Average Daylight Hours in Changwon for May

The chart illustrates the variation in daylight duration in Changwon throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 3m10h 53m11h 58m13h 4m14h14h 28m14h 14m13h 25m12h 22m11h 16m10h 18m9h 48m
Data source: Changwon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Changwon

In May, Changwon experiences a gentle embrace of the wind with an average speed of 3.0 m/s (7 mph), continuing the mild breezes typical of spring. The wind's calming presence during this month mirrors the overall trend of decreasing speeds observed as the year progresses, particularly evident after April's 3.1 m/s. While January and February start the year with slightly brisker winds, the decline in speed leading into the summer months—where June brings a notable drop to 2.3 m/s (5 mph)—suggests a transition into a warmer, more stable climate. This gradual softening of the winds reaffirms May’s role as a tranquil prelude to the sultry summer days ahead in southern Korea.

Average May Wind Speed in Changwon

The chart displays monthly wind speed patterns in Changwon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.43.03.13.0 m/s2.32.52.53.02.52.83.2
Data source: Changwon May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Changwon Compares to Other Months

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

May and January present stark contrasts in weather conditions. In May, temperatures can range from a cool 6°C (43°F) at night to a warm 33°C (92°F) during the day, with an average of 19°C (66°F). This month also experiences a higher level of humidity at 83% and more precipitation, totaling 96 mm (3.8 in) over an average of 9 days. In contrast, January is much colder, with temperatures dropping as low as -11°C (13°F) and averaging just 2°C (36°F), peaking at 16°C (61°F). The winter month is drier, with only 29 mm (1.1 in) of precipitation over 3 days and lower humidity levels at 72%. For more insights on January weather, check out Changwon weather in January.

When comparing the weather in May and February, there is a stark contrast in temperatures and precipitation levels. May typically experiences a much warmer climate, with average temperatures reaching 19°C (66°F) and maximums soaring to 33°C (92°F), while February remains quite chilly, averaging only 4°C (40°F) and occasionally dipping to a minimum of -9°C (16°F). Additionally, May sees significantly higher humidity levels at 83% and more precipitation, averaging 96 mm (3.8 in) over about 9 days, compared to February's 38 mm (1.5 in) over just 4 days. For more specific details, visit Changwon weather in February.

In comparing the weather between March and May, it is evident that May offers significantly warmer temperatures, with daily averages reaching up to 19°C (66°F) and highs peaking at 33°C (92°F). In contrast, March starts with much cooler conditions, featuring a minimum temperature of -3°C (28°F) and an average of just 9°C (49°F). Precipitation levels are relatively similar, with May recording 96 mm (3.8 in) over 9 days and March seeing slightly less at 86 mm (3.4 in) over 8 days. Moreover, humidity levels are noticeably higher in May at 83%, compared to March’s 65%. For more details on the weather during March, visit Changwon weather in March.

In comparing the weather in May and April, it’s clear that May generally experiences warmer temperatures. The minimum temperature in May is 6°C (43°F), rising to an average of 19°C (66°F), and peaking at 33°C (92°F). In contrast, April starts cooler with a minimum of 1°C (33°F) and averages 14°C (57°F), reaching a maximum of 26°C (80°F). Additionally, while both months have similar precipitation levels—May with 96 mm (3.8 in) over 9 days and April with 93 mm (3.7 in) over 6 days—May's higher humidity at 83% compared to April's 75% adds a more humid feel to the warmer temperatures. For more detailed information, you can check out Changwon weather in April.

May and June present a transition in weather patterns, with June generally experiencing higher temperatures and increased humidity. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 33°C (92°F), with an average of 19°C (66°F) and a total precipitation of 96 mm (3.8 in) over 9 days. In contrast, June sees a higher minimum temperature of 13°C (57°F), an average of 22°C (72°F), and a slight increase in maximum temperature to 34°C (93°F). Rainfall also rises to 162 mm (6.4 in), occurring over 10 days, contributing to a higher humidity level of 87%. For more details, you can check Changwon weather in June.

May and July exhibit distinct weather patterns, showcasing the transition from spring to summer. In May, temperatures range from a cool minimum of 6°C (43°F) to a pleasant average of 19°C (66°F), peaking at a warm 33°C (92°F). The month experiences moderate rainfall, totaling 96 mm (3.8 in) across approximately 9 days, with humidity levels averaging at 83%. In contrast, July is significantly warmer, with a minimum temperature of 17°C (63°F) and an average high of 26°C (78°F), reaching up to 35°C (96°F) on the hottest days. However, it also brings increased precipitation, with 258 mm (10.2 in) over 15 days and higher humidity levels, averaging 95%. For more detailed information, you can visit Changwon weather in July.

May and August present quite different weather patterns. In May, temperatures range from a cool minimum of 6°C (43°F) to a warm maximum of 33°C (92°F), with an average of 19°C (66°F). The month experiences around 96 mm (3.8 in) of precipitation over 9 days, and humidity levels sit at 83%. In contrast, August brings warmer conditions, with minimum temperatures starting at 17°C (63°F) and soaring to a high of 37°C (98°F), averaging 27°C (81°F). It is also wetter, with precipitation totaling 190 mm (7.5 in) over 15 days and a higher humidity of 93%. For more details, you can check Changwon weather in August.

In comparing the weather between May and September, we see notable differences in temperature and precipitation. May experiences a minimum temperature of 6°C (43°F) and averages around 19°C (66°F), with maximums reaching 33°C (92°F). In contrast, September boasts a milder minimum of 12°C (53°F) and an average of 22°C (72°F), peaking at 30°C (87°F). Rainfall is significantly higher in September, with 232 mm (9.1 in) over 11 days compared to May's 96 mm (3.8 in) across 9 days. Despite this increase in precipitation, the humidity remains relatively consistent, at 83% in May and 80% in September. For a closer look at September's weather, check out Changwon weather in September.

In May, the weather tends to be warmer, with average temperatures reaching around 19°C (66°F) and highs of up to 33°C (92°F), while October sees slightly cooler conditions with an average of 17°C (62°F) and maximum temperatures of 29°C (85°F). Both months experience similar levels of precipitation, with May receiving 96 mm (3.8 in) over approximately 9 days, compared to October's 97 mm (3.8 in) over just 6 days. Additionally, humidity levels are higher in May at 83%, while October enjoys a more comfortable 77%. For more details, you can check Changwon weather in October.

May and November present contrasting weather patterns. In May, temperatures range from a mild 6°C (43°F) at night to a warm 33°C (92°F) during the day, with an average temperature of 19°C (66°F). The month experiences significant rainfall, with 96 mm (3.8 in) over about 9 days and high humidity levels reaching 83%.

In contrast, November offers cooler conditions, with nighttime lows of -2°C (30°F) and daytime highs peaking at 23°C (73°F), settling at an average of 10°C (51°F). Rainfall is minimal, totaling just 23 mm (0.9 in) across about 3 days, and the humidity is slightly lower at 75%. For more detailed information, visit Changwon weather in November.

May and December present a stark contrast in weather patterns. In May, temperatures range from a mild 6°C (43°F) at night to a warm 33°C (92°F) during the day, with an average of 19°C (66°F). The month sees considerable precipitation, with around 96 mm (3.8 in) falling over nine days, accompanied by high humidity levels of 83%. In contrast, December experiences much colder conditions, with temperatures plummeting to a minimum of -8°C (18°F) and an average temperature of only 3°C (39°F), reaching a maximum of 18°C (65°F). Precipitation decreases significantly to just 20 mm (0.8 in) over three days, and humidity is also lower at 73%. For more details on December weather, check out Changwon weather in December.

Compare Changwon's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Changwon

As May unfolds in Changwon, the transition into warmer weather becomes evident, with temperatures peaking significantly compared to the cooler months that precede it. This month experiences a delightful warmth, where the average temperature rises, inviting residents and visitors alike to enjoy the outdoors. However, potential rain showers, with a moderate number of precipitation days, remind us that spring is still in bloom. The higher humidity adds a touch of intimacy to the air, making the atmosphere feel lush and vibrant. It's a noteworthy contrast that marks May as a month of blossoming beauty and refreshing energy. For more insights on the weather patterns, visit Changwon Climate.