Last updated: October 30, 2025
In Hwaseong-si, South Korea, May brings a pleasant transition into spring, with temperatures ranging from a mild 8°C (46°F) to a comfortable 23°C (73°F), averaging around 16°C (60°F). This month is characterized by a relatively high humidity level of 81%, creating a refreshing atmosphere despite the occasional rain. With 113 mm (4.4 in) of precipitation spread across approximately 9 days, residents and visitors alike can expect a mix of sunny skies and refreshing showers, making it an ideal time to enjoy the blooming landscapes.
In May, Hwaseong-si, South Korea, embraces a delightful transition into warmer weather, with temperatures marking a significant climb from the chill of winter. The month begins with a mild minimum temperature of 8°C (46°F) and boasts an inviting average of 16°C (60°F), peaking at a pleasant 23°C (73°F). This trend reflects both the awakening of spring and the anticipation of summer, showcasing a consistent rise in temperatures from the 3°C (37°F) minimum observed in April. As nature comes alive with vibrancy, locals and visitors alike can indulge in outdoor activities, soaking up the sun in what is widely regarded as one of the most enjoyable months of the year.
In May, Hwaseong-si experiences a notable surge in precipitation, accumulating 113 mm (4.4 in) over nine days, marking it as one of the wettest months of the year. This significant increase represents a substantial jump from the steadily growing rainfall recorded in the preceding months, highlighting May’s role as a pivotal point in the seasonal transition. As spring reaches its peak, the combination of warmth and moisture creates an inviting environment for nature to flourish. This pattern continues into June, but the rainfall in May sets the tone for the summer months ahead, where precipitation levels rise even more sharply in July and August. With each passing year, May’s vibrant showers not only nourish the landscape but also herald the onset of the lush growth and greenery typical of the Korean summer.
As May arrives in Hwaseong-si, South Korea, the humidity begins to climb, reaching a notable 81%. This increase marks a shift from the more temperate conditions of earlier months, with April at 75%. The transition into May signals the approach of the sweltering summer months, characterized by escalating humidity levels. This upward trend continues into June, where the average humidity spikes to 85%, ultimately peaking in July and August at a steamy 91%. Therefore, May serves as a pivotal month where residents can feel the air growing thicker, hinting at the summer's arrival and the moisture-laden days to come.
As spring transitions into summer, May in Hwaseong-si sees a significant increase in UV radiation, boasting a high UV Index of 9, categorized as very high. This level of intensity calls for caution, with a burn time of just 15 minutes for unprotected skin. Following the steady rise in exposure from January’s moderate index, the progression through the months demonstrates a clear trend of intensifying sun rays. By May, residents and visitors alike should be especially vigilant about sun safety measures, as the UV Index paves the way for even higher readings in the coming months. For more detailed information, check out the Hwaseong-si UV Index.
UV Risk Categories
May brings a vibrant burst of sunshine to Hwaseong-si, South Korea, with 315 hours of glorious daylight, marking a peak in the spring season. This month transitions seamlessly from April’s 289 hours, showcasing a steady upward trend as daylight begins to extend, welcoming warmer weather and blossoming nature. Following May, June slightly surpasses the sunshine spectacle with 318 hours, maintaining the delightful ambiance that characterizes this time of year. As summer unfolds, July and August see a slight dip in hours, yet still boast impressive totals of 293 and 290 hours, respectively. The overall trend highlights a gradual increase in sunshine from winter's dreariness, peaking in late spring, and gently tapering into the early fall, ensuring that May stands out as a particularly bright gem in Hwaseong-si’s yearly climate.
In Hwaseong-si, South Korea, May marks a subtle shift in the likelihood of sunny weather, boasting a 40% chance of sunshine. This percentage is a slight dip compared to the preceding months, where April enjoyed a 44% chance, indicative of the gradual transition from spring to early summer. As the year progresses into the heavier summer months of June and July, the odds of clear skies continue to decline, dropping to 41% and 33% respectively. Interestingly, while May may not shine as brightly as April, it still holds its ground in providing a fair chance for sunshine, maintaining relatively high percentages compared to the warmer months that follow. Ultimately, May presents a balanced opportunity for enjoying the outdoors amid gentle temperatures and blooming landscapes.
In Hwaseong-si, South Korea, the transition from winter to summer brings a delightful increase in daylight hours, with clear trends observable throughout the year. Beginning in January with just 9 hours of daylight, the month-to-month progression sees a steady rise, peaking in May at an impressive 14 hours. As spring unfolds, April's 13 hours and March's 11 hours create a warm anticipation for the summer months. Notably, even in June and July, daylight remains at a consistent 14 hours, perfect for enjoying outdoor activities. However, as fall approaches, the length of day gradually decreases, dropping to 12 hours in September and tapering back to 9 hours by December. This cyclical dance of light not only marks the changing seasons but also enriches the lifestyle and culture of the region, inviting residents and visitors alike to savor the brightness during the longer summer days.
In May, Hwaseong-si experiences a gentle embrace of spring breezes, with an average wind speed of 3.9 m/s (9 mph). This period marks a slight decrease from the preceding months, showcasing a transition as spring begins its graceful exit into summer. The wind speeds during May remain fairly consistent compared to April's 4.0 m/s (9 mph), hinting at a stable atmosphere before the summer lull. As temperatures rise, the refreshing winds provide a pleasant backdrop for outdoor activities, while also capturing the lingering essence of spring. From January to May, there is a noticeable trend of fluctuating winds, with speeds generally decreasing as summer approaches, remnant of the season's warmth and vitality.
Weather in Hwaseong-si varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Hwaseong-si, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in May and January, the differences are striking. May boasts milder temperatures, ranging from a minimum of 8°C (46°F) to a pleasant maximum of 23°C (73°F), with an average of 16°C (60°F). It is also characterized by higher humidity at 81% and more frequent rainfall, accumulating 113 mm (4.4 in) over roughly 9 days. In stark contrast, January experiences much colder temperatures, with lows plunging to -14°C (7°F) and a maximum of only 10°C (50°F), averaging around 0°C (32°F). This winter month is much drier, receiving only 24 mm (0.9 in) of precipitation across about 3 days, and with lower humidity at 71%. For more details on January weather, you can check Hwaseong-si weather in January.
May and February present starkly different weather patterns. In May, temperatures range from a minimum of 8°C (46°F) to a maximum of 23°C (73°F), with an average temperature of 16°C (60°F). The month is also characterized by relatively high humidity at 81% and considerable precipitation, totaling 113 mm (4.4 in) over about 9 days. In contrast, February is much colder, with temperatures ranging from a chilly -10°C (14°F) to a mild 11°C (52°F), averaging just 1°C (33°F). There is significantly less precipitation in February, with only 27 mm (1.0 in) accumulating over 4 days, and lower humidity at 65%. For a closer look at February's weather, you can visit Hwaseong-si weather in February.
Comparing the weather in May and March reveals a significant shift in temperatures and conditions. In May, temperatures range from a minimum of 8°C (46°F) to a maximum of 23°C (73°F), with an average of 16°C (60°F). This month's weather is marked by increased humidity at 81% and more precipitation, totaling 113 mm over approximately nine rainy days. In contrast, March experiences much cooler weather, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 15°C (60°F), averaging only 6°C (43°F). Precipitation is also lighter this month, with just 55 mm recorded over five days and a lower humidity level of 65%. For more details on March weather specifically, you can check Hwaseong-si weather in March.
In comparing the weather of May and April, May generally showcases milder temperatures, with a minimum of 8°C (46°F) and an average of 16°C (60°F), unlike April, which has a cooler minimum of 3°C (37°F) and an average of 11°C (51°F). While April reaches a maximum of 22°C (71°F), May can climb up to 23°C (73°F), showing slight warmth. Additionally, May experiences increased precipitation, accumulating 113 mm (4.4 in) over 9 rainy days, compared to April's 65 mm (2.6 in) over just 6 days. The humidity also rises slightly in May to 81%, higher than April's 75%. For more detailed weather insights, you can check the information here: Hwaseong-si weather in April.
May and June present a noticeable transition in weather patterns. In May, temperatures range from a cool minimum of 8°C (46°F) to a more pleasant maximum of 23°C (73°F), with an average of 16°C (60°F). This month experiences a higher precipitation level of 113 mm (4.4 in) over 9 days, contributing to a humidity level of 81%. In contrast, June brings warmer temperatures, with a minimum of 15°C (59°F) and a maximum of 26°C (79°F), averaging 20°C (68°F). Precipitation in June decreases to 83 mm (3.3 in) over 7 days, with a slight increase in humidity at 85%. For a detailed look at June's weather, you can visit Hwaseong-si weather in June.
In May, temperatures in Hwaseong-si range from a minimum of 8°C (46°F) to a maximum of 23°C (73°F), with an average around 16°C (60°F). The month experiences moderate precipitation, totaling 113 mm (4.4 in) over nine rainy days, coupled with a humidity level of 81%. In contrast, July sees a significant rise in temperatures, with minimums starting at 19°C (67°F) and reaching highs of 31°C (89°F), averaging about 24°C (76°F). This month is also wetter, with precipitation amounting to 239 mm (9.4 in) over twelve days and an increase in humidity to 91%. For more detailed information, you can check Hwaseong-si weather in July.
May and August present contrasting weather profiles. In May, temperatures range from a cool 8°C (46°F) to a comfortable maximum of 23°C (73°F), accompanied by an average of 16°C (60°F). However, the month sees significant rainfall, totaling 113 mm (4.4 in) over about 9 days, with humidity levels averaging 81%. In stark contrast, August features warmer conditions with minimum temperatures of 19°C (67°F) and highs reaching 32°C (90°F), culminating in an average of 26°C (79°F). This summer month is considerably wetter, with 261 mm (10.3 in) of precipitation across 13 days and increased humidity at 91%. For a more detailed look at the weather specifics, visit Hwaseong-si weather in August.
In May, the weather tends to be cooler, with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 23°C (73°F), and it experiences about 113 mm (4.4 in) of precipitation over 9 days, accompanied by a high humidity level of 81%. In contrast, September brings warmer conditions, with temperatures typically ranging from a minimum of 15°C (59°F) to a maximum of 29°C (84°F). However, it also experiences more precipitation, totaling 141 mm (5.6 in) over the same number of rainy days, with slightly lower humidity at 77%. For a detailed look at September weather in the area, you can visit Hwaseong-si weather in September.
In comparing the weather between May and October, we see some notable differences. May features a wider temperature range with minimums around 8°C (46°F) and maximums peaking at 23°C (73°F), while October has slightly cooler minimums at 5°C (40°F) and maximums reaching up to 26°C (79°F). Despite both months having an average temperature of 16°C (61°F), May experiences significantly more precipitation at 113 mm (4.4 in) over 9 rainy days compared to October's 65 mm (2.6 in) across 6 days. Humidity levels are relatively similar, with May at 81% and October at 79%. For more insights on October weather, you can check Hwaseong-si weather in October.
May and November showcase distinct weather patterns, with May typically warmer and wetter. In May, temperatures range from a minimum of 8°C (46°F) to an average of 16°C (60°F) and can peak at 23°C (73°F), accompanied by 113 mm (4.4 in) of precipitation across about 9 days. In contrast, November experiences cooler temperatures, with a minimum of -2°C (29°F), an average of 9°C (49°F), and a maximum of 19°C (66°F). Additionally, November sees less precipitation at 66 mm (2.6 in) over approximately 7 days. Both months have similar humidity levels (81% in May and 80% in November), but the temperature and precipitation differences create a notable shift in weather conditions. For more detailed information, you can check out Hwaseong-si weather in November.
May and December present stark contrasts in weather conditions. In May, temperatures range from a minimum of 8°C (46°F) to a maximum of 23°C (73°F), with an average of 16°C (60°F). The month sees a considerable amount of rainfall, totalling 113 mm (4.4 in) over 9 days, accompanied by a high humidity level of 81%. In contrast, December experiences much colder temperatures, with a minimum of -11°C (13°F) and a maximum of 13°C (56°F), averaging just 2°C (36°F). Precipitation drops significantly to 31 mm (1.2 in) over 6 days, and humidity also decreases to 74%. For more detailed information on December weather, you can visit Hwaseong-si weather in December.
As spring blossoms in Hwaseong-si, May ushers in a delightful warmth that distinguishes it from the cooler months. With average temperatures hovering around a pleasant 16°C, the city transitions from brisk mornings to comfortably mild afternoons. While the humidity remains relatively high at 81%, the increased warmth allows for a refreshing contrast. However, May is not without its share of rain, registering about 113 mm over nine days, helping to maintain the lush greenery that characterizes this time of year. Whether you’re exploring the vibrant landscapes or enjoying outdoor festivities, the weather in May makes every moment a little more enchanting. For detailed information on the climate throughout the year, check out Hwaseong-si Climate.