Seoul LayoverTours

Seoul Layover Weather Month by Month

On a holiday the weather decides what you wear. On a layover it decides how many places you reach, because the palace closes an hour earlier in winter and the light goes with it. This page starts with that consequence and then goes month by month, so you can size a Seoul Layover guided tours booking to the season you are actually flying in.

What the weather does to a Seoul layover

Three things change with the season, and only one of them is comfort.

Closing time moves by 90 minutes. Gyeongbokgung Palace shuts at 17:00 in January, February, November and December, at 18:00 in spring and autumn and at 18:30 from June to August, with last entry an hour earlier in every case. An evening arrival that works in July is useless in December.

Daylight swings by more than five hours. The December solstice on the 22nd is over five hours shorter than the June one. Two of the stops here — the hanok lanes and the tower view — are worth much less in the dark.

July and August are genuinely wet. 415 mm of rain in July and 350 mm in August, with about four hours of daily sun at the low point. That does not cancel a layover; it changes which stops belong in it.

Seoul month by month

January

Coldest month. Highs reach about 2 °C and nights fall to −6 °C, with only 15 mm of rain. The palace closes at 17:00 and last entry is 16:00. Plan an early start: the useful daylight is gone by mid-afternoon.

February

Still cold, but moving. Highs of about 5 °C, lows near −4 °C and 30 mm of rain. Palace hours stay at 09:00 to 17:00. The light lasts noticeably longer by the end of the month than at the start.

March

The turn. Highs reach about 11 °C and the palace switches to an 18:00 close, which adds an hour to the usable end of the day. Rain stays low at 35 mm. A nine-hour connection starts to feel unhurried.

April

One of the two best months. Highs of about 18 °C, seven hours of sun a day and 75 mm of rain. Cherry blossom runs through the first half of the month and the palace grounds are busy for it. Nothing needs planning around.

May

The other best month. Highs near 23 °C, seven hours of daily sun and 105 mm of rain. Long light means an evening connection still reaches the markets. Walking between the palace and the hanok lanes is comfortable all day.

June

Warm and turning humid, with highs of about 27 °C and 130 mm of rain. The palace runs its longest hours, to 18:30. The rains have not properly arrived yet, which makes early June better than late.

July

The wettest month by a wide margin: 415 mm of rain and only about four hours of sun a day. Highs sit near 29 °C with high humidity. Weight the day towards the museum and the covered markets rather than open courtyards.

August

Hottest and still wet — highs of about 30 °C and 350 mm of rain. Typhoons can reach the city from July into early October. The palace still closes at 18:30, so an evening arrival keeps its options.

September

The rains ease and the humidity drops. Highs near 26 °C and 140 mm of rain, with the palace back to an 18:00 close. Late September is one of the most reliable stretches of the year for a layover.

October

Autumn colour, and the third strong month. Highs of about 20 °C and only 50 mm of rain. Ginkgo and maple turn through the palace grounds and Bukchon. Cool enough to walk all afternoon without stopping.

November

Cooling fast. Highs near 12 °C, 50 mm of rain, and the palace back to a 17:00 close from the start of the month. Colour holds into the first week or two. Bring a coat and start early.

December

Cold, dry and short. Highs around 4 °C, lows near −4 °C and just 25 mm of rain. The solstice on 22 December is the shortest day of the year, over five hours shorter than the June solstice. Pick two stops rather than four.

The seasons, and which one you want

SeasonTemperatureRainWhat it means for a layover
Spring, Mar to May11 to 23 °C35 to 105 mmThe best of the year. Long light, dry, and the palace open until 18:00
Summer, Jun to Aug27 to 30 °C130 to 415 mmLongest opening hours, heaviest rain. Weight the day indoors
Autumn, Sep to Nov12 to 26 °C50 to 140 mmDry, cool and coloured. October is the pick
Winter, Dec to Feb2 to 5 °C15 to 30 mmDry but short and cold. Two stops, not four, and start early

If you can choose your connection date, take late April, May or October. If you cannot, the season changes which tour suits rather than whether one does.

Best time of day to be in the city

Morning. The palace opens at 09:00 year-round and the first hour is the quietest it gets. A connection landing before 07:00 is the best-shaped layover available.

Early afternoon. The changing of the guard runs at the main gate and the markets are fully open. This is the standard shape of most tours here.

Evening. From June to August the palace is still open at 18:00 and the tower view is worth the mountain road. From November to February there is no evening — plan for a market rather than a monument.

Weather questions

Does rain cancel a Seoul layover tour?
No. These are guided days with a vehicle or a train, not outdoor activities, and the operators run them in all weather. Only the changing of the guard at the palace gate is called off for weather, and the rest of the itinerary continues.
What is the best month for a Seoul layover?
May and October. Both bring highs around 20 to 23 °C, low rainfall and the palace open until 18:00. April is close behind, with cherry blossom in the palace grounds through the first half of the month.
Is a winter layover in Seoul worth it?
Yes, with a shorter list. December to February is dry and bright but cold, and the palace closes at 17:00 with last entry at 16:00. Pick two stops rather than four and start as early as your flight allows.
Do typhoons affect a Seoul layover?
Occasionally, between July and early October. Seoul is less exposed than the southern coast, and the practical risk is to your flight rather than your tour. Free cancellation up to 24 hours ahead covers the case where the flight moves.

Tours that work whatever the month