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South Korea Sunday Forecast Shows Mild Temperatures, Mixed Rain Chances Across 12 Cities

Updated (9 articles)

Nationwide Temperatures Remain Mild With Highs Below 22 °C Across twelve major cities, daytime highs vary from 8 °C in Incheon to 21 °C in Daegu, while overnight lows sit between 4 °C and 12 °C, reflecting a cool early‑spring pattern on 22 February 2026 [1]. Rain probabilities stay low, ranging from 0 % to 20 % across the nation, indicating mostly dry weather. The forecast suggests a generally pleasant day with limited precipitation risk.

Seoul Forecast Predicts Cool Day With Slight Rain Probability Seoul is expected to reach a high of 11 °C and dip to a low of 9 °C, with a 20 % chance of rain, pointing to a partly wet but cool capital day [1]. Cloud cover will dominate the sky, reducing sunshine exposure. Residents are advised to carry light outerwear and an umbrella just in case.

Southern Coastal Cities Expect Dry, Cloudy Conditions Daegu (21 °C/8 °C) and Busan (19 °C/12 °C) both show 0 % rain probability while remaining under cloud cover, offering the driest conditions in the south [1]. These cities will experience the warmest temperatures of the day. The lack of precipitation supports outdoor activities without weather concerns.

Central Region Faces Moderate Rain Chances Amid Cloud Cover Cheongju, Daejeon, Jeonju and Gwangju each have rain probabilities of 10 %–20 % while temperatures hover between 14 °C and 16 °C for highs and 8 °C–9 °C for lows, suggesting possible showers [1]. Cloudy skies will dominate, limiting direct sunlight. The moderate rain odds warrant caution for travelers in the area.

Eastern and Island Areas Show Varied Temperatures and Rain Odds Incheon (8 °C/6 °C) and Jeju (19 °C/11 °C) both forecast 10 % rain chances with cloudy skies, while Chuncheon (11 °C/4 °C) faces a 20 % rain probability and Gangneung (16 °C/10 °C) remains dry at 0 % chance [1]. The eastern coast displays a mix of cooler and milder conditions. These variations highlight regional differences in precipitation risk.

Sources

Timeline

Dec 1, 2025 – Seoul records an 8 °C high and 3 °C low with a 20 % chance of rain, while Jeju reaches 15 °C/12 °C and only a 10 % rain risk, illustrating a relatively warm early‑December pattern across the peninsula [9].

Dec 2, 2025 – Seoul experiences a milder 3 °C high and –1 °C low under cloudy skies with a 10 % rain probability; Busan enjoys the warmest daytime temperature at 13 °C with 10 % rain, and Jeju sees 12 °C/7 °C and a 30 % chance of rain, highlighting regional temperature gradients [8].

Dec 3, 2025 – Seoul’s high falls to –3 °C with a 10 % rain chance, Incheon remains sunny at –3 °C/–8 °C with 20 % rain, Cheongju sees a 60 % rain risk at –1 °C/–6 °C, and Jeju endures a rainy 9 °C/5 °C day with a 70 % chance of precipitation, marking a shift toward wetter conditions in the south [7].

Jan 24, 2026 (Saturday) – Seoul forecasts a high of –2 °C and low of –11 °C, sunny and dry (0 % rain); Jeju is cloudy at 8 °C/5 °C with a 10 % rain chance; snow is possible in Jeonju (2 °C/–5 °C) and Gwangju (3 °C/–3 °C) at 30 % probability, indicating early‑year winter variability [6].

Jan 26, 2026 (Monday) – Seoul sees a 0 °C high and –9 °C low, cloudy with a 30 % rain chance; Jeju, the warmest city at 7 °C/1 °C, is sunny but carries a 60 % rain risk; Busan and Daegu enjoy mild 8 °C/–2 °C and 5 °C/–8 °C sunny conditions respectively, each with a 20 % chance of rain, reflecting mixed weather across the country [5].

Jan 27, 2026 (Tuesday morning) – Seoul, Incheon and Suwon experience sunny skies with highs around –2 °C and lows near –8 °C, all at 0 % rain probability; Jeju remains cloudy at 7 °C/5 °C with a 20 % chance of rain, the highest island probability, underscoring a dry cold front over the capital region [4].

Jan 31, 2026 (Saturday) – Seoul’s temperature climbs to a high of 1 °C and low of –10 °C, cloudy with a 20 % rain chance; Busan stays sunny at 8 °C/–2 °C with a 20 % rain risk; Gangneung enjoys sunny 5 °C/–5 °C conditions with no rain, while Chuncheon records a frigid –14 °C low but remains rain‑free, showing diverse winter weather across regions [3].

Feb 1, 2026 (Sunday) – Seoul forecasts a 2 °C high and –7 °C low, sunny yet with a 60 % chance of rain; Cheongju and Gwangju anticipate snow at 3 °C/–6 °C (20 % chance) and 6 °C/–2 °C (10 % chance) respectively; Busan stays sunny at 7 °C/–1 °C with 0 % rain, highlighting a mix of rain, snow, and clear skies on the same day [2].

Feb 22, 2026 (Sunday) – Seoul sees a milder 11 °C high and 9 °C low with a 20 % rain probability; Daegu (21 °C/8 °C) and Busan (19 °C/12 °C) remain dry and cloudy, while central cities such as Cheongju and Daejeon experience moderate temps (14‑15 °C/8 °C) and 10‑20 % rain chances, indicating a transition to early‑spring‑like conditions in the south [1].

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