January
Shoulder seasonCold and dry; 2°C max, -6°C min, 20 mm rainfall
Winter city sightseeing works with warm clothing; outdoor sites feel raw
February
Shoulder seasonCold, dry and relatively quiet; 5°C max, -4°C min, 5 mm rainfall
Occasional snowfall and low crowds; pack for sub-zero evenings
March
Good time to goCool spring transition; 11°C max, 2°C min, 38 mm rainfall
Crowdsmoderate
Pricesmoderate
Good for museums and city touring before blossom crowds arrive
April
Best time to goPleasant spring with cherry blossoms and variable showers; 18°C max, 8°C min, 95 mm rainfall
Blossom season; book Seoul hotels and KTX seats well in advance
May
Best time to goWarm and generally comfortable; 23°C max, 13°C min, 124 mm rainfall
Crowdsmoderate
Pricesmoderate
Strong all-round month for Seoul, Busan and Gyeongju touring
June
Good time to goWarm and humid; 28°C max, 19°C min, 98 mm rainfall
Crowdsmoderate
Pricesmoderate
Rainy season typically begins mid-June; keep indoor backup plans
July
Not recommendedHot, humid and wet; 31°C max, 23°C min, 294 mm rainfall
Heavy rain can disrupt outdoor itineraries; lower demand but higher weather risk
August
Shoulder seasonHottest period, humid with frequent rain and occasional typhoon effects; 31°C max, 24°C min, 290 mm rainfall
School vacations add crowds despite the weather risk; plan indoor alternatives
September
Good time to goWarm with residual monsoon rain; 27°C max, 19°C min, 371 mm rainfall
Crowdsmoderate
Pricesmoderate
Weather improves later in the month; plan flexible outdoor days
October
Best time to goMild, clearer autumn weather; 21°C max, 12°C min, 186 mm rainfall
Excellent for cultural and scenic touring; foliage lifts hotel rates
November
Good time to goCool and dry; 13°C max, 4°C min, 21 mm rainfall
Lower crowds and good value before winter sets in
December
Good time to goCold and dry; 4°C max, -4°C min, 41 mm rainfall
Crowdsmoderate
Pricesmoderate
Festive atmosphere and winter activities; pack serious layers
- BestApr, May, Oct
- GoodMar, Jun, Sep, Nov, Dec
- FairJan, Feb, Aug
- AvoidJul