Friday’s Nationwide Sunny Forecast Brings Mild Temperatures Across South Korea

Updated 2026-02-20 00:02:45+00:00 (39 articles)

All Twelve Cities Expect Sunny Skies Friday The Yonhap bulletin released at 9:01 a.m. on 20 February lists Seoul, Incheon, Suwon, Cheongju, Daejeon, Chuncheon, Gangneung, Jeonju, Gwangju, Jeju, Daegu and Busan as “Sunny” for the day [1]. Rain probability is 0 % in eleven cities, while Chuncheon shows a 20 % chance, the only deviation from the uniform dry outlook. The forecast emphasizes a generally pleasant winter day with no significant precipitation expected [1].

Daytime Highs Reach Mid‑Teens in Southern Regions Temperatures peak at 16 °C in both Jeju and Daegu, the warmest highs among the twelve locations [1]. Incheon records the coolest daytime high at 10 °C, and Seoul’s high reaches 13 °C, indicating modest north‑south temperature variation. These daytime values are consistent with the mild winter pattern described for the week [1].

Nighttime Lows Dip Below Freezing in Inland Areas Chuncheon is forecast to fall to –5 °C overnight, the lowest low among the cities [1]. Seoul’s low stays at the freezing point (0 °C), while most other locations remain between –2 °C and 0 °C, suggesting limited frost outside the far‑north [1]. The coldest nighttime temperatures align with typical February lows for inland regions [1].

Earlier Forecasts Show Consistent Sun, Minor Rain Variations The 19 February report also predicted sunny skies and 0 % rain across all cities, with highs from 7 °C in Seoul to 12 °C in Busan and Gangneung [2]. On 18 February, forecasts were similarly dry, though Chuncheon was noted as cloudy and Busan’s high reached 13 °C [3]. The 17 February bulletin introduced a slight anomaly, assigning a 10 % rain chance to Gwangju and Busan, but otherwise maintained the sunny, rain‑free outlook [4].

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Timeline

Nov 30, 2025 – The nationwide forecast shows high temperatures from 13 °C (Chuncheon) to 21 °C (Jeju) and lows between 5 °C and 13 °C, with “cloudy” skies in eight cities and “sunny” in four; rain probability peaks at 30 % in Seoul, Suwon, Cheongju, Chuncheon, Jeju and Busan and is zero in Gangneung, indicating a generally dry Sunday [30].

Dec 6, 2025 – Seoul records a high of 7 °C, low of –1 °C and a 60 % rain chance under “sunny” skies, while Chuncheon stays cold at 4 °C/–7 °C with an 80 % rain chance; Busan and Daegu enjoy “sunny” conditions with 0 % rain, highlighting stark regional contrasts [29].

Dec 7, 2025 – Jeju reaches the warmest high of 19 °C and Chuncheon the coldest low of 0 °C; most cities are “cloudy” with a 30 % rain chance, but Chuncheon has a 60 % chance of sunshine and Gangneung 0 % chance, illustrating mixed cloud cover across the peninsula [28].

Dec 7, 2025 – The morning outlook lists “sunny” conditions for most cities, with only Gwangju and Jeju “cloudy” and a 10 % rain possibility, while Jeju tops the temperature chart at 13 °C and Chuncheon records a low of –3 °C, underscoring a generally bright day [27].

Dec 9, 2025 – Cloudy skies dominate Seoul, Incheon, Suwon, Gangneung, Jeju and Chuncheon with rain probabilities of 30 % (Seoul, Incheon, Suwon) to 40 % (Chuncheon), while Cheongju, Daejeon, Jeonju, Gwangju, Daegu and Busan stay “sunny” with 20 % rain, reflecting a split pattern of cloud and sun [26].

Dec 12, 2025 – “Sleet” threatens Seoul, Incheon, Suwon, Chuncheon and Jeonju, whereas Cheongju, Daejeon, Gangneung, Gwangju and Daegu enjoy “sunny” weather; Busan expects rain, and Jeju faces a 70 % rain probability despite “sunny” skies, showing diverse precipitation types [25].

Dec 14, 2025 – All twelve cities are forecast “cloudy” with rain chances ranging from 0 % to 30 %; temperatures vary from a 4 °C high in Chuncheon to 13 °C in Jeju, and lows from –8 °C (Chuncheon) to 7 °C (Jeju), indicating uniformly overcast conditions [24].

Dec 15, 2025 – Rain and sleet spread across the nation: Seoul, Incheon and Suwon face 60 % rain, Chuncheon sees 70 % sleet, and Busan has 20 % rain, while other cities experience 30‑40 % rain, highlighting a wet day with widespread precipitation [23].

Dec 16, 2025 – “Cloudy” dominates seven cities (Seoul, Incheon, Suwon, Cheongju, Daejeon, Jeonju, Gwangju) with 0 % rain, while Gangneung (80 % rain) and Jeju (20 % rain) face higher chances; highs range 6 °C‑13 °C and lows 0 °C‑11 °C, showing a mixed cloud‑rain scenario [22].

Dec 17, 2025 – Most cities are “sunny” with low rain, except Gwangju and Jeju (“cloudy” with 10 % rain); temperatures span 6 °C‑13 °C (highs) and –2 °C‑7 °C (lows), reflecting generally clear weather with isolated cloud pockets [21].

Dec 24, 2025 – Seoul, Incheon, Suwon and Cheongju enjoy “sunny” skies with 0 % rain, while Chuncheon has a 20 % rain chance; Daejeon is “cloudy” (20 % rain) and Gangneung “cloudy” (40 % rain), and both Jeju and Busan face 30 % rain, illustrating a varied mix of sun, clouds and rain [20].

Dec 27, 2025 – Snow falls in Seoul and Incheon with a 60 % rain chance; Suwon and Cheongju are “sunny” yet also carry 60 % rain risk; Daejeon stays “sunny” (60 % rain), while Chuncheon is “cloudy” (40 % rain), showing a winter front with mixed precipitation [19].

Dec 29, 2025 – Seoul reaches 8 °C/3 °C with a 10 % rain chance, Incheon stays dry at 7 °C/5 °C, while Cheongju and Daejeon each face a 60 % rain risk; Chuncheon expects 60 % sleet, and Jeju, Daegu and Busan remain “sunny” with low rain probabilities, highlighting a transition to milder, wetter conditions [18].

Jan 1, 2026 – Eight cities are forecast “Sunny” with 0 % rain (Seoul, Incheon, Suwon, Chuncheon, Gangneung, Daegu), while Jeju and Gwangju carry a 60 % rain risk; temperatures hover around freezing, with highs from –5 °C (Incheon) to 3 °C (Jeju) and lows down to –14 °C in Chuncheon [17].

Jan 2, 2026 – Seoul and Incheon enjoy “Sunny” skies with subzero lows (‑3 °C/‑12 °C and ‑4 °C/‑12 °C); Gwangju expects snow (70 % chance) and Jeju sleet (70 % chance), marking the only precipitation events amid a broadly clear day [16].

Jan 4, 2026 – Seoul forecasts a 4 °C high, ‑4 °C low and “cloudy” skies with 20 % rain; Incheon is “sunny” (3 °C/‑3 °C, 20 % rain), while Jeju sees 11 °C/5 °C “cloudy” with 30 % rain, illustrating varied conditions across the country [15].

Jan 11, 2026 – Seoul experiences a “sunny” high of ‑4 °C and low of ‑8 °C with 0 % rain; Cheongju shows a 60 % rain chance despite sunshine, and Jeju faces sleet (60 % chance) at 5 °C/3 °C, indicating pockets of precipitation amid generally clear skies [14].

Jan 13, 2026 – “Sunny” dominates most cities, with Seoul, Suwon, Cheongju, Daejeon, Jeonju, Gwangju and Busan listed as such; Incheon, Chuncheon, Gangneung and Daegu are “cloudy,” and Incheon carries a 20 % rain chance, highlighting a bright day with limited cloud cover [13].

Jan 15, 2026 – Seoul and Incheon are “cloudy” with 20 % and 10 % rain respectively; Chuncheon faces a 40 % sleet probability, while Jeju remains “cloudy” (10 % rain) and Busan “cloudy” with 0 % rain, showing mixed precipitation risks [12].

Jan 17, 2026 – Most cities are “Sunny” with cool highs (Seoul 3 °C, Busan 14 °C) and lows near ‑4 °C to 6 °C; Gangneung and Jeju are “Cloudy,” with Gangneung holding a 20 % rain chance, underscoring a bright but chilly Saturday [11].

Jan 20, 2026 – “Sunny” mornings prevail in Seoul, Incheon, Suwon, Cheongju and Chuncheon, while inland lows dip below freezing; Gangneung and Jeonju stay “cloudy,” and Gwangju (10 % rain) and Jeju (20 % rain) retain modest rain chances [10].

Jan 25, 2026 – All twelve cities report “cloudy” skies with a uniform 20 % rain probability; temperatures range from ‑3 °C (Seoul) to 6 °C (Jeju), and Gwangju enjoys the lowest rain chance (10 %), indicating a broadly overcast Sunday [9].

Jan 28, 2026 – “Sunny” conditions dominate most cities with 0 % rain, while Gwangju and Busan are “cloudy” (10 % and 10 % rain); Jeju shows the highest rain probability at 20 % despite “cloudy” skies, and Chuncheon records the coldest low at ‑14 °C [8].

Jan 30, 2026 – Severe cold grips Seoul (‑2 °C/‑12 °C) and surrounding areas, all “cloudy” with 20 % rain; Jeju remains the warmest at 5 °C/2 °C “sunny” with 20 % rain, highlighting stark north‑south temperature contrasts [7].

Feb 4, 2026 – Seoul forecasts a “cloudy” high of 7 °C, low of ‑1 °C with a 30 % rain chance; Busan and Jeju enjoy “sunny” highs of 12 °C and 13 °C respectively with 20 % rain, while Chuncheon faces the coldest high (4 °C) and a 40 % rain probability [6].

Feb 6, 2026 – Most cities are “sunny” with a 20 % rain chance; Seoul’s temperature swings from ‑9 °C to ‑3 °C, while Busan reaches 8 °C; Gangneung and Jeju are “cloudy” with 30 % rain, indicating modest precipitation on the east coast [5].

Feb 17, 2026 – “Sunny” skies cover all major cities with 0 % rain except Gwangju and Busan (10 % rain); highs range 6 °C (Seoul) to 13 °C (Busan), and sub‑zero lows affect inland areas, showing a broadly clear Tuesday [4].

Feb 18, 2026 – The nationwide outlook remains “sunny” or “cloudy” with 0 % rain across all cities; Seoul sees a high of 6 °C and low of 1 °C, while Busan records the warmest high at 13 °C and Chuncheon stays “cloudy” with a high of 8 °C [3].

Feb 19, 2026 – All twelve cities expect “sunny” conditions and zero rain chance; temperatures range from a low of ‑2 °C (Seoul) to a high of 12 °C (Gangneung, Daegu, Busan), providing a uniformly clear Thursday [2].

Feb 20, 2026 – The Friday forecast shows “sunny” weather nationwide with rain chances at 0 % for eleven cities and 20 % for Chuncheon; daytime highs span 10 °C (Incheon) to 16 °C (Jeju, Daegu), and lows dip to ‑5 °C in Chuncheon, indicating a mild winter day [1].

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