Dec 5, 2025 – The forecast for Dec 6 shows Seoul at 7 °C/–1 °C with sunny skies and a 60 % rain chance, while Chuncheon drops to 4 °C/–7 °C with sunny skies but an 80 % rain chance; Busan and Daegu stay sunny with 0 % rain and mild temps of 11 °C/1 °C and 9 °C/–3 °C respectively, highlighting a mixed pattern of rain risk and clear weather across the peninsula [29].

Dec 6, 2025 – For Dec 7, Jeju peaks at 19 °C, the warmest of the 12 cities, whereas Chuncheon hits a low of 0 °C; most cities are cloudy with a 30 % rain probability, but Gangneung enjoys clear skies with 0 % rain [28].

Dec 7, 2025 – The Monday outlook predicts sunny conditions nationwide, only Gwangju and Jeju show clouds with a 10 % rain chance; Seoul and Incheon record 6 °C/0 °C, and Jeju reaches 13 °C, underscoring a generally dry, sunny start to the week [27].

Dec 9, 2025 – Wednesday’s forecast lists cloudy skies for Seoul, Incheon, Suwon and others with rain chances of 30 % or less, while Cheongju, Daejeon, Jeonju, Gwangju, Daegu and Busan are sunny with 20 % or lower rain risk, illustrating a split between overcast inland areas and clearer southern cities [26].

Dec 12, 2025 – Saturday’s outlook features sleet in Seoul, Incheon, Suwon, Chuncheon and Jeonju, sunny weather in Cheongju, Daejeon, Gangneung, Gwangju and Daegu, and rain in Busan, with precipitation probabilities ranging from 60 % to 80 % in many locations [25].

Dec 13, 2025 – Sunday’s forecast expects snow in Cheongju and Daejeon (20 % rain), sleet in Jeonju and Gwangju (60 % rain), and rain in Jeju (60 % rain), while Busan remains sunny with 0 % rain, highlighting varied winter precipitation across regions [24].

Dec 14, 2025 – Monday’s outlook shows all 12 cities cloudy, rain chances from 0 % to 30 %, with highs from 4 °C in Chuncheon to 13 °C in Jeju, indicating a uniformly overcast day with modest temperature spread [23].

Dec 15, 2025 – Tuesday’s bulletin reports rain in Seoul, Incheon and Suwon (60 % chance) and sleet in Chuncheon (70 % chance), while Busan is cloudy with 20 % rain and other cities range 30‑40 % rain, marking a day of widespread precipitation risk [22].

Dec 16, 2025 – Wednesday’s forecast lists Seoul, Incheon, Suwon, Cheongju, Daejeon and Gwangju as cloudy with 0 % rain, but Gangneung faces an 80 % rain probability and Jeju 20 %, reflecting a sharp east‑coast rain gradient [21].

Dec 17, 2025 – Thursday’s outlook gives Seoul a sunny high of 7 °C/–2 °C with 10 % rain, while Incheon is cloudy (20 % rain) and Gangneung sunny (0 % rain), illustrating a mix of sun and clouds across central and eastern regions [20].

Dec 24, 2025 – Wednesday’s forecast shows Seoul, Incheon, Suwon and Cheongju sunny with 0 % rain, Chuncheon sunny with 20 % rain, Daejeon cloudy (20 % rain) and Gangneung cloudy with a 40 % rain risk, indicating increasing precipitation chances toward the east [19].

Dec 25, 2025 – Thursday’s outlook predicts sunny skies in Seoul, Incheon and Suwon with near‑freezing lows, but Cheongju faces a 60 % rain chance, and Jeju expects sleet with a 70 % probability, highlighting localized severe weather on the island [18].

Dec 28, 2025 – Sunday’s forecast shows most cities sunny with 60 % rain risk in Seoul and central areas, while Chuncheon endures a 70 % rain chance and Jeju remains sunny with 20 % rain, underscoring continued high precipitation potential in the north [17].

Jan 1, 2026 – The Saturday bulletin lists eight cities sunny with 0 % rain, but Jeju and Gwangju carry a 60 % rain risk; temperatures range from –5 °C in Incheon to 3 °C in Jeju, marking a cold day with pockets of heavy rain [16].

Jan 2, 2026 – Friday’s forecast features sunny but subzero conditions in Seoul and Incheon (‑3 °C/‑12 °C), snow in Gwangju (70 % chance) and sleet in Jeju (70 % chance), illustrating sharp contrasts between clear northern capitals and wintry precipitation in the south [15].

Jan 3, 2026 – Saturday’s outlook predicts chilly highs in the low single digits, subzero lows especially in Chuncheon (‑14 °C), mostly cloudy skies with sun in Chuncheon, Gangneung, Suwon and Busan, and rain probabilities up to 40 % in Cheongju, reflecting a cold, patchy‑sun weekend [14].

Jan 13, 2026 – Tuesday’s forecast shows sunny conditions in Seoul, Suwon, Cheongju, Daejeon, Jeonju, Gwangju and Busan, while Incheon, Chuncheon, Gangneung and Daegu are cloudy; temperatures range from –4 °C in Seoul to 12 °C in Jeju, with rain chances generally low (≤20 %) [13].

Jan 15, 2026 – Thursday’s outlook reports Seoul and Incheon cloudy with 20 % rain, Chuncheon expecting sleet with a 40 % chance, and Jeju cloudy with a 10 % rain chance, while Busan remains cloudy with 0 % rain, indicating mixed winter weather across the country [12].

Jan 16, 2026 – Friday’s bulletin lists Seoul and Incheon cloudy with 20 % rain, central and southern cities mostly sunny with zero rain, and Chuncheon and Gangneung cloudy with 20 % rain, showing a cool day with a temperature spread from –3 °C to 17 °C [11].

Jan 17, 2026 – Saturday’s forecast highlights sunny conditions in most cities, Busan reaching 14 °C/6 °C, while Gangneung and Jeju are cloudy with rain chances of 20 % and 0 % respectively, underscoring a dry, sunny day except for modest cloud cover in the east [10].

Jan 18, 2026 – Sunday’s outlook shows cloudy skies dominate most cities, but Gwangju, Daegu and Busan are sunny with 0 % rain, and Jeju stays cloudy with a 20 % rain chance, illustrating a generally overcast day with clear pockets in the south [9].

Jan 20, 2026 – Tuesday’s forecast reports sunny mornings and subzero inland lows, cloudiness in Gangneung and Jeonju, and low rain probabilities (0‑20 %) across all cities, indicating dry conditions despite some cloud cover [8].

Jan 25, 2026 – Sunday’s bulletin shows temperatures from –3 °C to 6 °C, most cities cloudy with 20 % rain, Gwangju sunny with 10 % rain, and Jeju milder at 6 °C/3 °C with 10 % rain, reflecting a broadly dry winter Sunday [7].

Jan 30, 2026 – Friday’s forecast features severe cold in Seoul (‑2 °C/‑12 °C) and surrounding areas, while southern cities like Busan enjoy 5 °C/‑4 °C sunny conditions, and Jeju remains the warmest at 5 °C/2 °C, highlighting stark north‑south temperature contrasts [6].

Feb 4, 2026 – Wednesday’s outlook predicts Seoul cloudy with a 30 % rain chance and a high of 7 °C/–1 °C, Busan and Jeju sunny with highs of 12 °C and 13 °C and 20 % rain, and Chuncheon the coldest at 4 °C/–7 °C with a 40 % rain chance, showing varied precipitation risk across regions [5].

Feb 5, 2026 – Thursday’s forecast gives Seoul an 8 °C high with a 60 % rain chance, Chuncheon sleet at 6 °C/–4 °C with 60 % precipitation, Jeju the warmest at 15 °C/8 °C (20 % rain), and Busan mild at 14 °C/4 °C with only 10 % rain, indicating divergent weather from heavy rain in the capital to mild, dry conditions in the south [4].

Feb 6, 2026 – Friday’s outlook shows most cities sunny with 0‑20 % rain, but Seoul, Incheon and Daejeon each have a 20 % rain chance, while eastern coastal cities face cloudier skies and up to 30 % rain, reflecting a generally clear day with localized precipitation [3].

Feb 17, 2026 – Tuesday’s forecast reports sunny skies across major cities, high temps from 6 °C (Seoul) to 13 °C (Busan), rain probabilities at 0 % except Gwangju and Busan (10 %), and sub‑zero night lows in inland areas, indicating a broadly dry, sunny day with cold evenings [2].

Feb 18, 2026 – Wednesday’s bulletin shows Seoul sunny with a high of 6 °C and low of 1 °C, all 12 cities have 0 % rain, Chuncheon is the only cloudy city (high 8 °C/low –5 °C), and Busan records the warmest daytime high at 13 °C, underscoring a uniformly clear, rain‑free winter day [1].