The best time to visit Yeosu is May and September–October. The rainiest month is July (11 rainy days), the hottest is August (high 29°C (85°F)) and the coldest is January (high 7°C (44°F)).
Red: daytime high · Blue: night low · Bars: rainy days per month (°C)
| Month | High °C | Low °C | Rainy days | Rain mm | Sea | Trip |
|---|---|---|---|---|---|---|
| Jan | 7° | 0° | 3 | 25 | 11° | Good |
| Feb | 9° | 1° | 4 | 47 | 10° | Good |
| Mar | 13° | 5° | 6 | 85 | 11° | Good |
| Apr | 18° | 10° | 7 | 126 | 13° | Great |
| May | 22° | 15° | 7 | 144 | 16° | Great |
| Jun | 24° | 19° | 8 | 202 | 20° | Great |
| Jul | 28° | 23° | 11 | 297 | 23° | Good |
| Aug | 29° | 24° | 9 | 254 | 26° | Good |
| Sep | 26° | 21° | 7 | 160 | 24° | Great |
| Oct | 21° | 15° | 4 | 73 | 21° | Great |
| Nov | 15° | 8° | 4 | 50 | 17° | Good |
| Dec | 9° | 2° | 3 | 25 | 13° | Good |
Highlighted rows are the best months. Rainy day = 1 mm or more of rain.
Pick your arrival and departure dates. We look up the same dates over the last 30 years.
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| Time zone | Korea Standard Time (UTC+9), no daylight saving |
|---|---|
| Power | 220V, 60Hz, Type C/F (round two-pin) sockets |
| Money | Korean won (KRW). Cards are accepted almost everywhere |
| Entry | Visa and K-ETA rules change — check the official K-ETA site and your government's travel advice |
Observed at Korea Meteorological Administration (KMA) station 168, 1996–2025 daily records. Sea temperature: ERA5 (Copernicus), daily mean just offshore. How we calculate