Jeju · Month comparison
April vs October
October ranks #1 overall vs April at #3. Single best month — autumn foliage on Hallasan, pink muhly fields, tangerine harvest starting, clear 21C skies after typhoon season ends.
April
#3 of 12 months
Best match
Korean cherry blossom climax — first or second week peak, plus Jeju Fire Festival, the most atmospheric month with the most domestic visitor pressure.
- ↑Cherry blossoms (Jeolmul, Sarabong, Jeju City roads) peak first week of April
- ↑Jeju Fire Festival (Saebyeol Oreum, March-April): burning of fields, Asia's largest
October
#1 of 12 months
Best match
Single best month — autumn foliage on Hallasan, pink muhly fields, tangerine harvest starting, clear 21C skies after typhoon season ends.
- ↑Hallasan autumn foliage (danpung) peaks third week — Yeongsil trail spectacular
- ↑Pink muhly grass at Saryeoni and Hwasun in full neon-pink
| Factor | April | October |
|---|---|---|
| Weather score | 9 | 10 |
| Value score | 4 | 4 |
| Crowd score | 4 | 4 |
| Events score | 9 | 9 |
| Atmosphere | 10 | 10 |
| Avg high temp | 16°C | 21°C |
| Monthly rain | 90mm | 80mm |
| Daily sunshine | 6hrs | 6hrs |
April trade-offs
- ↓Cherry-blossom weekend: hotel rates double, traffic on coastal roads heavy
- ↓Plum-rain showers continuing — 8-10 rain days
- ↓Pension and resort bookings need 2-3 month lead time for cherry weeks
October trade-offs
- ↓Hotel rates climbing — Shilla and Lotte at autumn-peak 30% above shoulder
- ↓Hangeul Day and Foundation Day holiday weekends busy
- ↓Hallasan summit weekends require 04:00 trailhead arrival
Scores compare months within Jeju. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →