Seoul · Month comparison
October vs April
October ranks #1 overall vs April at #2. Seoul at its most spectacular — autumn foliage rivals cherry blossom for sheer beauty.
October
#1 of 12 months
Best match
Seoul at its most spectacular — autumn foliage rivals cherry blossom for sheer beauty.
- ↑Namsan, Bukhansan, and Changdeokgung Secret Garden in peak foliage: deep reds and golds
- ↑18°C: ideal hiking weather for the national parks surrounding the city
April
#2 of 12 months
Best match
Cherry blossom peak — Seoul's most magical 2 weeks and its most visited.
- ↑Yeouido Cherry Blossom Festival: the Han River and Namsan transformed into something genuinely breathtaking
- ↑16°C afternoons: the perfect temperature for long walking days through the old city
| Factor | October | April |
|---|---|---|
| Weather score | 9 | 9 |
| Value score | 5 | 5 |
| Crowd score | 4 | 3 |
| Events score | 8 | 9 |
| Atmosphere | 9 | 9 |
| Avg high temp | 18.4°C | 16°C |
| Monthly rain | 60mm | 90mm |
| Daily sunshine | 7.5hrs | 7.2hrs |
October trade-offs
- ↓Foliage tourism drives accommodation prices 30–40% above summer lows
- ↓Popular hiking routes (Bukhansan) crowded on weekends — start before 8am
- ↓60mm of rain: some foliage weekends disrupted
April trade-offs
- ↓Hotel prices spike 50–70% for cherry blossom weeks — book 3–4 months ahead
- ↓Yeouido park on peak weekend: genuinely impassable, arrive before 8am
- ↓90mm of rain: blossom can be washed off early by April showers
Scores compare months within Seoul. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →