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Sunday Forecast Brings Mild Temperatures and Modest Rain Chances Across South Korea

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Nationwide mild temperatures and limited precipitation on Sunday Across the 12 major cities, daytime highs range from 8 °C in Incheon to 21 °C in Daegu, while nighttime lows sit between 4 °C and 12 °C. Rain probabilities stay low, with most locations at 10‑20 % and only Gangneung, Daegu and Busan reporting a 0 % chance [1]. The overall pattern reflects a cool, partly wet day rather than the dry, sunny conditions seen earlier in the week.

Seoul experiences cool day with moderate rain chance The capital records an 11 °C high and a 9 °C low, accompanied by a 20 % chance of rain, indicating the highest precipitation risk in the country [1]. Cloud cover dominates the Seoul metropolitan area, contrasting with the clear skies reported for the capital on preceding days [2][3][4][5][6]. Despite the rain risk, temperatures remain above freezing, limiting any severe weather concerns.

Southern coastal cities remain dry under cloudy skies Daegu (21 °C/8 °C) and Busan (19 °C/12 °C) both show cloud cover but maintain a 0 % rain probability, offering the driest conditions in the south [1]. These cities also posted the warmest daytime highs for the day, reinforcing the regional temperature gradient. Their dry outlook aligns with the consistently rain‑free forecasts for the southern coast earlier in the week [2][3][4][5][6].

Central and eastern regions face slightly higher rain probabilities Cheongju, Daejeon, Jeonju and Gwangju each carry a 10‑20 % chance of rain, with daytime highs between 14 °C and 16 °C and lows around 8‑9 °C [1]. Chuncheon shows a 20 % rain chance with a cooler 11 °C high and 4 °C low, while nearby Gangneung remains dry at 16 °C/10 °C and 0 % rain [1]. These modest precipitation risks mark a subtle shift from the near‑zero rain odds reported from February 17‑21 [2][3][4][5][6].

Week‑long trend confirms predominantly sunny weather with minimal rain Forecasts from February 17 through 21 consistently described sunny or mostly sunny conditions, rain probabilities never exceeding 20 %, and temperature ranges similar to Sunday’s values [2][3][4][5][6]. No severe weather alerts were issued throughout the period, suggesting stable winter weather despite the slight increase in cloudiness and rain chances on Sunday.

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Timeline

Nov 29, 2025 – The Sunday forecast for Nov 30 predicts high temperatures of 13‑21 °C across the 12 major cities, with Busan reaching 20 °C and Jeju 21 °C, while rain probability tops out at 30 % in Seoul and other cities, indicating a generally dry day [30].

Nov 30, 2025 – The Dec 1 outlook shows Seoul at 8 °C/3 °C with a 20 % rain chance, and Jeju at 15 °C/12 °C, highlighting a mild, partly cloudy start to the month [29].

Dec 1, 2025 – The Dec 2 forecast lists Seoul at 3 °C/–1 °C and a 10 % rain chance, marking a cooler, cloudy day for the capital [28].

Dec 2, 2025 – The Dec 3 report records Seoul cloudy with a high of –3 °C, low of –8 °C and a 10 % rain chance, underscoring continued winter chill [27].

Dec 3, 2025 – The Dec 4 outlook gives Seoul a 2 °C high, –9 °C low and a 60 % rain chance, the highest precipitation risk in the week [26].

Dec 10, 2025 – The Thursday forecast for Dec 11 notes Chuncheon sleet at 30 % and Gangneung sleet at 80 %, while Jeju faces a 60 % rain chance, signalling widespread wintry precipitation [25].

Dec 16, 2025 – The Dec 17 forecast shows Gangneung with an 80 % rain probability and Jeju 20 %, while most other cities remain sunny, reflecting a mixed pattern of rain and clear skies [24].

Dec 20, 2025 – The Sunday forecast for Dec 21 reports ten cities sunny and two (Jeju, Daegu) cloudy, with rain chances split between 0 % and 20 %, indicating mostly dry conditions [23].

Dec 21, 2025 – The Monday outlook lists every city cloudy with a uniform 20 % rain probability and temperatures ranging from –7 °C in Chuncheon to 12 °C in Jeju and Busan [22].

Dec 25, 2025 – The Thursday forecast for Dec 26 describes a cold, sunny day with Seoul –4 °C/–12 °C and no rain, while Gwangju expects snow with a 20 % chance, highlighting regional wintry differences [21].

Dec 26, 2025 – The Friday forecast predicts a cold, dry day across most cities (Seoul –4 °C/–12 °C, 0 % rain) but notes Jeju sleet at 30 % and Gwangju snow at 20 %, emphasizing isolated precipitation [20].

Jan 2, 2026 – A cold wave grips Korea as sub‑freezing temperatures persist (Seoul −11 °C) and heavy‑snow alerts cover southern regions, with Ulleung Island receiving 30.1 cm and Jeju’s Mt. Halla 13.3 cm of snow [19].

Jan 5, 2026 – The Monday forecast shows Jeju with a 20 % rain chance (high 9 °C) and Busan a 10 % chance (high 9 °C), while most other cities remain sunny or cloudy with 0 % rain [18].

Jan 12, 2026 – The forecast for the 12 cities lists Seoul sleet with a 60 % rain probability and a high of 3 °C/low −9 °C, indicating slippery travel conditions in the capital [17].

Jan 15, 2026 – The Thursday outlook reports Seoul cloudy with a 20 % rain chance (8 °C/3 °C) and Chuncheon sleet at 40 % (5 °C/−3 °C), highlighting localized wintry precipitation [16].

Jan 18, 2026 – The Sunday forecast notes predominantly cloudy skies, with Gwangju, Daegu and Busan sunny and rain chances up to 40 % in some locales, showing a mixed weather pattern [15].

Jan 21, 2026 – The Wednesday forecast predicts sunny skies across most cities, but Gwangju and Jeju face snow with 60 % and 70 % precipitation probabilities respectively, underscoring southern snow risk [14].

Jan 24, 2026 – The Saturday update reports snow in Jeonju and Gwangju (30 % chance each) while most other cities stay sunny or cloudy, indicating isolated snowfall [13].

Jan 25, 2026 – The Sunday forecast shows cloudy conditions with a uniform 20 % rain chance in most cities and Gwangju sunny with only 10 % rain, suggesting generally light precipitation [12].

Jan 28, 2026 – The Wednesday outlook lists all 12 cities sunny with 0 % rain, temperatures ranging from Seoul 6 °C high to Chuncheon −14 °C low, marking a clear winter day [11].

Jan 31, 2026 – The Saturday forecast records Seoul chilly at 1 °C/−10 °C with a 20 % rain chance, while Busan expects 8 °C/−2 °C and a 20 % chance, reflecting varied winter lows [10].

Feb 1, 2026 – The KMA warns that heavy snow will blanket the nation through Monday morning, forecasting up to 10 cm in Seoul, rail operator plans to boost service on five lines, and predicts nationwide spread by early Monday [9].

Feb 2, 2026 – Overnight snowfall leaves 2‑10 cm in many regions, Seoul lifts its snow advisory at 4 a.m., deploys snow‑removal trucks, and traffic congestion appears near Gwanghwamun Square, while weather is expected to improve later in the day [8].

Feb 5, 2026 – The Thursday forecast gives Seoul an 8 °C high with a 60 % rain chance, Chuncheon sleet at 60 %, and Jeju the warmest high at 15 °C, illustrating sharp regional precipitation contrasts [7].

Feb 6, 2026 – The Korea Meteorological Administration projects the cold wave to deepen over the weekend, with morning temps dropping to −15 °C to −5 °C, wind gusts of 55‑70 kph, and the warning area expanding beyond Seoul, Gangwon and South Chungcheong [6].

Feb 19, 2026 – The Thursday outlook shows all 12 cities sunny with 0 % rain, highs from 7 °C in Seoul to 12 °C in coastal cities, and lows down to –6 °C in Chuncheon, offering clear conditions for travel [4].

Feb 20, 2026 – The Friday forecast reports sunny weather nationwide, rain chance near zero (only 20 % in Chuncheon), and highs from 10 °C (Incheon) to 16 °C (Jeju, Daegu), indicating a mild winter day [3].

Feb 21, 2026 – The Saturday outlook notes temperatures ranging 13‑19 °C highs, mostly sunny skies, and rain probabilities not exceeding 20 % (20 % in Suwon and Chuncheon), suggesting low precipitation risk [2].

Feb 22, 2026 – The Sunday forecast for 12 cities shows mild temps (8‑21 °C) and rain chances of 10‑20 % in most locations, with Daegu and Busan remaining dry (0 % rain), providing a partly wet but generally pleasant day [1].

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