Last updated: January 18, 2025
Gyeonggi-do, South Korea experiences a diverse climate characterized by the Köppen-Geiger classifications Dwa (humid continental) and Cwa (humid subtropical). This region showcases extreme temperature variations, with winter lows plunging to a frigid -22°C (-7°F) in January, while summer peaks can soar to a scorching 39°C (102°F) in August. The average annual temperature hovers around 12°C (54°F), highlighting the stark seasonal contrasts that define Gyeonggi-do's unique weather patterns and contribute to its rich environmental tapestry.
Gyeonggi-do, South Korea exhibits pronounced seasonal temperature patterns, beginning with frigid winters that reach extremes as low as -22°C (-7°F) in January, gradually warming as spring approaches, with March averaging around 6°C (44°F) and experiencing milder days. By April, temperatures rise significantly, culminating in balmy May evenings, where averages reach 17°C (63°F). The summer months are characterized by heat, peaking in August with maximums soaring to a blistering 39°C (102°F) and averages around 26°C (79°F). As autumn sets in, Gyeonggi-do transitions to cooler weather, dropping to an average of 14°C (58°F) in October and further cooling in November, culminating in wintry temperatures once again in December. This cyclical temperature shift reflects the robust continental climate, marked by distinct shifts from cool winters to hot, humid summers.
Gwangju experiences a January minimum temperature of -19°C (-2°F) and a maximum of 38°C (100°F) in August, as detailed in the monthly temperatures in Gwangju. Similarly, Goyang-si has a slightly higher January minimum of -18°C (0°F) and matches the same August maximum of 38°C (100°F) as shown in the monthly temperatures in Goyang-si. Meanwhile, Suwon records a minimum of -17°C (2°F) in January with a peak of 38°C (101°F) in August, according to the monthly temperatures in Suwon.
Gyeonggi-do, South Korea experiences a distinct seasonal variation in precipitation, with the year's wettest months spanning from May to September. During this period, rainfall peaks in July and August, averaging 238 mm (9.4 in) and 268 mm (10.5 in) respectively, corresponding with the summer monsoon season that typically brings heavy downpours. In contrast, the winter months are markedly drier, with January and February receiving an average of only 21 mm (0.8 in) and 23 mm (0.9 in), resulting in an average of two to three rainy days during these colder months.
As spring unfolds, precipitation begins to rise, reaching 113 mm (4.4 in) in May when rainfall becomes more frequent, with an average of nine rainy days. Following this trend, June also sees significant rainfall at 85 mm (3.3 in) across eight days, laying the groundwork for the torrential rains of summer. Post-monsoon, September adjusts to a more moderate climate with 139 mm (5.5 in) of rain, while October and November experience decreased precipitation, leading to a return to drier conditions by December with only 23 mm (0.9 in) over four days. This cyclical precipitation pattern reflects Gyeonggi-do’s subtropical climate influences, shaping the region's agricultural and ecological systems.
Gyeonggi-do, South Korea exhibits a notable seasonal trend in sunshine duration, with hours of sunlight steadily increasing from the cold, gray days of winter into the vibrant warmth of summer. Starting with 198 hours of sunshine in January, the region sees a gradual ascent throughout the spring months, reaching 284 hours in April and peaking at 309 hours in May. This upward trajectory continues into June, where the sunshine duration reaches 314 hours, making it one of the sunniest months of the year. The prolonged daylight hours during these months invigorate the landscape, fostering a lively atmosphere as flora and fauna flourish under the sun's rays.
As summer transitions into autumn, Gyeonggi-do experiences a slight decline in sunshine hours, though the averages remain relatively high. July and August retain substantial sunlight, with 289 hours and 282 hours, respectively. However, as the season shifts, September sees a decrease to 259 hours, followed by further drops in October (260 hours) and November (230 hours). The decreasing sunlight during these latter months heralds the approach of winter, leading back to January's lower total. Overall, the sunshine patterns in Gyeonggi-do not only reflect the climatic shifts throughout the year but also play a significant role in shaping the local culture and outdoor activities, especially during the sunnier months.
The UV Index in Gyeonggi-do, South Korea showcases significant seasonal fluctuations, highlighting the importance of sun protection throughout the year. During the winter months of January and February, the UV Index registers a moderate level of 3 and 4, respectively, allowing for a more leisurely outdoor experience with a burn time of 30 minutes. As spring approaches, however, the UV Index escalates, with March witnessing a jump to 6, categorizing it as high and reducing the burn time to 25 minutes. This rise underscores the necessity for increased sun safety awareness leading into the sunnier months.
As summer takes hold, Gyeonggi-do experiences a peak ultraviolet exposure, particularly in June, July, and August, where the UV Index levels reach an extreme 11. During these months, the burn time is drastically reduced to just 10 minutes, emphasizing the urgency for protective measures like sunscreen and clothing. Following this intense period, the UV Index decreases in September to 9 (very high) and further drops to 7 in October (high), providing a slight reprieve. By November and December, the index returns to moderate levels of 4 and 3 respectively, signaling the onset of winter when UV exposure becomes less of a concern. Overall, understanding the UV Index trends in Gyeonggi-do is crucial for safeguarding health during outdoor activities throughout the year.
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Daylight duration in Gyeonggi-do, South Korea exhibits a clear seasonal cycle, significantly influencing lifestyle and outdoor activities throughout the year. In January, the region experiences the shortest daylight, with just 9 hours, gradually increasing to 10 hours in February and reaching 11 hours by March. The arrival of spring sees a marked increase, peaking at 14 hours in both May and June, which fosters a vibrant environment ripe for outdoor gatherings and agricultural pursuits. This extended daylight creates an invigorating atmosphere, allowing residents to make the most of their time under the sun.
As summer transitions to autumn, daylight begins to wane but remains relatively ample for several months. While July maintains 14 hours of daylight, August sees a slight drop to 13 hours, followed by a further decrease to 12 hours in September. This reduction continues into October with 11 hours, and November brings daylight down to 10 hours. By December, Gyeonggi-do again experiences the brief daylight of 9 hours, closing the cycle of the year. This rhythmic pattern of daylight duration highlights the region's climatic shifts while serving as a guide for activities, celebrations, and natural events throughout the seasons.
Cheongpyeong, South Korea experiences a diverse climate, with winter temperatures ranging from a minimum of -20°C in January to a maximum of 31°C in May. The summer months are warm, often reaching highs around 35°C in July and August, accompanied by significant rainfall peaking at 275 mm in August. Sunshine is plentiful, with June typically enjoying the highest hours at around 307. The transition between seasons brings noticeable temperature shifts, alongside variable precipitation. For more detailed information, visit Cheongpyeong climate.
Gapyeong, South Korea experiences a diverse climate with cold winters and warm summers. January temperatures range from a minimum of -20°C to a maximum of 12°C, while July sees highs of up to 35°C. Precipitation peaks in July and August, with averages of 253 mm and 275 mm respectively, contributing to lush landscapes. Sunshine is abundant, particularly from May to June, with up to 307 hours of sunlight. For more details, visit Gapyeong climate.
Goyang-si, South Korea experiences a diverse climate with cold winters and hot, humid summers. January temperatures can plunge to -18°C (0°F), while July can reach as high as 36°C (97°F). Precipitation varies throughout the year, peaking in July and August, where monthly rainfall can exceed 262 mm (10.3 in). Sunshine is abundant, especially in May and June, boasting over 300 hours of sunlight. For more details, visit the Goyang-si climate.
Gwangju, South Korea experiences a wide range of temperatures throughout the year, with January's minimum dropping to -19°C (-2°F) and August peaking at 38°C (100°F). The city receives the highest rainfall during the summer months, specifically July and August, with precipitation levels reaching 278 mm (10.9 in) and 285 mm (11.2 in), respectively. Sunshine is abundant in late spring and early summer, peaking at 310 hours in June. Overall, Gwangju's climate is characterized by cold winters and hot, humid summers. For more detailed information, visit Gwangju climate.
Hwaseong-si, South Korea, experiences a temperate climate characterized by cold winters and warm summers. January sees temperatures range from -14°C to 10°C, while summer months like July and August peak at around 32°C. Rainfall is notable in the summer, with July averaging 239 mm, and August 261 mm, contributing to the region's wet season. The area benefits from ample sunshine, particularly in May and June, which receive around 315 and 318 hours respectively. For more detailed information, visit Hwaseong-si climate.
Icheon-si, South Korea experiences a diverse climate characterized by cold winters and hot, humid summers. January sees temperatures ranging from -18°C to 13°C, while July peaks at a high of 35°C. Precipitation is highest during the summer months, with July and August averaging over 260 mm of rain, contributing to a lush environment. Sunshine is abundant, particularly in May and June, with over 300 hours of sunlight. For more detailed information, visit Icheon-si climate.
Osan, South Korea experiences a diverse climate throughout the year, with cold winters and hot, humid summers. January and February see minimum temperatures dropping to -17°C (2°F) and -15°C (4°F), while July and August peak at around 36°C (98°F) and 38°C (101°F) respectively. Precipitation peaks during summer months, particularly in July, with around 235 mm (9.3 in) of rain, contributing to the high humidity. The area enjoys considerable sunshine, particularly from May to June, with May boasting up to 315 hours of sunlight. For more detailed information, visit Osan climate.
The climate in Paju, South Korea, features a distinct seasonal variation, with harsh winters and warm summers. January temperatures can drop as low as -18°C (0°F), while summer peaks reach up to 38°C (100°F) in August. Precipitation is highest in July and August, exceeding 260 mm (10.3 in) monthly, contributing to humid conditions. The city enjoys abundant sunshine, particularly in May and June, which see over 310 hours of sunlight. For more detailed information, visit Paju climate.
Suwon, South Korea, experiences a temperate climate with marked seasonal variations. Winters (December to February) can be quite cold, with average temperatures ranging from -2°C (29°F) in January to 0°C (33°F) in February, and minimal snowfall. Summers (June to August) are hot and humid, with temperatures soaring to a maximum of 38°C (101°F) in August, accompanied by heavy rainfall, particularly in July and August. Sunshine is abundant in late spring and early summer, peaking at 318 hours in June. For more detailed information, visit Suwon climate.
Yeoju, South Korea experiences a diverse climate with cold winters and hot, humid summers. January and February see minimum temperatures plummet to -19°C and -16°C, respectively, while July and August can reach highs of 35°C and 37°C. Precipitation is most abundant in the summer months, particularly in July and August, with over 250 mm of rainfall each month. Sunshine is plentiful throughout the year, peaking at 306 hours in June. For more detailed information, visit Yeoju climate.
In conclusion, Gyeonggi-do, South Korea, presents a dynamic climate characterized by distinct seasonal variations in temperature, precipitation, sunshine duration, UV Index, and daylight hours. From the frosty, sunlit days of winter to the sweltering, sun-drenched summers, the region's weather patterns encourage a diverse range of activities throughout the year. The transition from moderate UV exposure in the cooler months to extreme levels during the summer highlights the need for vigilant sun protection, while the changing daylight hours shape local lifestyles and outdoor engagement. Understanding these climatic trends not only enhances the quality of life for residents but also informs sustainable practices and fosters a deeper appreciation for Gyeonggi-do's unique environmental tapestry.