January
- Avg temp
- -2.9°C
- Rainfall
- 18 mm
- Humidity
- 59%
- Crowd index
- 65/100
- Weather0
- Crowds35
- Disaster risk86
Travel timing
When should you go to South Korea?
Tap a month to see the breakdown. Scores use Seoul as the reference city — comfortable weather and lower risk and crowds; flight and hotel costs join the mix when price data is available.
Score by what matters to you
Drag the sliders or pick a preset. All destination scores update live.
SeoulSouth Korea
Best months
- Top pickJune56/100 · Fair
- #2May48/100 · Fair
- #3September44/100 · Poor
Month breakdown
February
- Avg temp
- -0.7°C
- Rainfall
- 27 mm
- Humidity
- 61%
- Crowd index
- 55/100
- Weather0
- Crowds45
- Disaster risk82
March
- Avg temp
- 5.5°C
- Rainfall
- 42 mm
- Humidity
- 66%
- Crowd index
- 70/100
- Weather14
- Crowds30
- Disaster risk89
April
- Avg temp
- 11.7°C
- Rainfall
- 65 mm
- Humidity
- 65%
- Crowd index
- 95/100
- Weather32
- Crowds5
- Disaster risk89
May
- Avg temp
- 16.9°C
- Rainfall
- 109 mm
- Humidity
- 69%
- Crowd index
- 75/100
- Weather42
- Crowds25
- Disaster risk79
June
- Avg temp
- 21.9°C
- Rainfall
- 128 mm
- Humidity
- 73%
- Crowd index
- 60/100
- Weather56
- Crowds40
- Disaster risk71
July
- Avg temp
- 25.4°C
- Rainfall
- 307 mm
- Humidity
- 82%
- Crowd index
- 80/100
- Weather39
- Crowds20
- Disaster risk24
August
- Avg temp
- 25.7°C
- Rainfall
- 271 mm
- Humidity
- 82%
- Crowd index
- 85/100
- Weather41
- Crowds15
- Disaster risk36
September
- Avg temp
- 21.0°C
- Rainfall
- 162 mm
- Humidity
- 79%
- Crowd index
- 65/100
- Weather39
- Crowds35
- Disaster risk58
October
- Avg temp
- 13.7°C
- Rainfall
- 83 mm
- Humidity
- 75%
- Crowd index
- 90/100
- Weather32
- Crowds10
- Disaster risk76
November
- Avg temp
- 6.1°C
- Rainfall
- 52 mm
- Humidity
- 70%
- Crowd index
- 85/100
- Weather13
- Crowds15
- Disaster risk86
December
- Avg temp
- -1.6°C
- Rainfall
- 27 mm
- Humidity
- 63%
- Crowd index
- 70/100
- Weather0
- Crowds30
- Disaster risk86
How we score this
Each month combines weather, crowds, natural-disaster risk, hotel cost and flight cost into one rating for Seoul. Higher scores are better for typical leisure travellers.
Flight and hotel prices are not in this refresh yet — those factors are left out of the mix until the next Amadeus update.
- Weather25%
- Crowds20%
- Disaster risk20%
- Weather:Open-Meteo Historical Weather API (ERA5 archive, ~10y monthly normals)
- Crowds:Curated monthly visitor-pressure index (Seoul, South Korea: tourism seasonality; refresh from official arrivals when available)
- Disaster risk:USGS M>=4.5 earthquakes (10y) + GDACS multi-hazard SEARCH, blended with destination seasonal baseline
Scores last refreshed 30 September 2026.
