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Climate decision guide

Best time to visit Seoul

Compare rain, sunshine, temperature and daylight month by month before choosing when to visit Seoul.

Seoul · Holiday weather simulator

Is this a good month to go?

Choose a month and what matters most. Scores recalculate using ten years of daily climate data.

75/100
October · Your weather fit

A strong time to go

This score combines your selected priority with rain, solar conditions and comfortable temperatures.

☀21.4mostly sunny days
☂7.9rainy days
⌁76 mmmonthly rain
°18.9° / 10.2°typical high / low
◐8.9 hbright hours / day
↔11 hdaylight / day

All 12 months

Click any month to compare

#1 · Best matches for youMay79/100 · ☀ 21.1 days · ☂ 8 days
#2 · Best matches for youJune76/100 · ☀ 18 days · ☂ 10.4 days
#3 · Best matches for youOctober75/100 · ☀ 21.4 days · ☂ 7.9 days

Climate averages, not a forecast. Daily NASA POWER data for 2015–2024. A rainy day has at least 1 mm precipitation; a mostly sunny day receives at least 60% of clear-sky solar energy and has under 1 mm rain. NASA POWER ↗

Seoul

Questions travellers ask

What is the best month to visit Seoul?May has the strongest overall weather score (79/100) in the current balanced model. Change the priority in the simulator for a personal result.
How many rainy days does Seoul have?July has the highest average in this dataset, with about 18.4 days receiving at least 1 mm of precipitation.
Is this a weather forecast?No. These are historical climate averages designed for choosing a travel month, not predicting the weather on specific dates.