AI-generatedYeosu at a glance
- Best time
- Apr – Jun, Oct
- Warmest month
- Aug · 30°
- Warmest sea
- Aug · 25.9°
- Sunshine a year
- 2,360 h
- Rain a year
- 1,401 mm
- Climate
- Temperate
- Time zone
- UTC+9
- Elevation
- 10 m
Climate in Yeosu
Yeosu has a temperate climate with warm summers and cool winters. August is the warmest month with average highs of 30 °C, while January is the coolest at 7 °C. With around 2,360 hours of sunshine a year, Yeosu is sunny; May is the sunniest month with 7.3 hours a day.
Holiday weather through the year
Best time to visit Yeosu
The best time to visit Yeosu is from April to June and in October. In October, though, the typhoon season is at its peak: check the forecast before you go. For a beach holiday – sea from 21 °C, warm and mostly dry – go in September. For sightseeing, day trips and hiking, conditions are most comfortable from April to June and from September to November. Rain is frequent from July to August; the wettest month is July with 263 mm.
Yeosu through the seasons
How the weather changes over the seasons, with averages for each.
Yeosu in spring
Mar – May
Good
- 13–22 °C by day
- Sea 14 °C
- 7.1 h of sun a day
- 24 rainy days in all
Yeosu in summer
Jun – Aug
Good
- 25–30 °C by day
- Sea 23 °C
- 5.8 h of sun a day
- 38 rainy days in all
Yeosu in autumn
Sep – Nov
Excellent
- 16–26 °C by day
- Sea 21 °C
- 6.5 h of sun a day
- 21 rainy days in all
Yeosu in winter
Dec – Feb
Fair
- 7–10 °C by day
- Sea 12 °C
- 6.5 h of sun a day
- 13 rainy days in all
Which month for what?
Beach & swimming
Sep
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr – Jun, Sep – Nov
15–28 °C and not too much rain
Rainy months
Jul – Aug
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Yeosu for you.
Your best months: May, October
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Excellent
Best time to visit: April – June, October
October is the peak of the typhoon season Hurricane season
Where to go in OctoberSea temperature in October
Good forSightseeing & walks
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 17°
- Midday, 13:00: about 22°
- Afternoon, 16:00: about 21°
- Evening, 20:00: about 18°
- Night, 23:00: about 17°
06:3417:56
Pleasant evenings; a light layer can help.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:18–07:08 · evening 17:22–18:12
- Blue hour
- Morning 06:08–06:18 · evening 18:12–18:21
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Yeosu compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 24° at the start of the month to 19° at the end. The sea cools from 23° to 19°. The days get 1.0 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 24° | 19° |
| Night-time low | 18° | 12° |
| Sea | 23° | 19° |
| Daylight | 11.9 h | 10.9 h |
What is the weather like in Yeosu in October?
In October, Yeosu is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. The sea averages 21.1 °C – refreshing for a swim. The sun shines for around 7.1 hours a day. Rain is rare: about 5 days bring 71 mm in total. All in all, October is an excellent month for a holiday in Yeosu.
More details for October
- Daylight
- 11 h 22 min06:34 – 17:56
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 2 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 44 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+9offset from UTC
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %68 %
- Few rainy daysweight 30 %94 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- A jumper for the evenings
Compare two months in Yeosu
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
October has the better holiday weather in Yeosu: score 92 against 86. Daytime highs are about the same. The sea is 5 °C cooler in May. May has 3 more rainy days.
| Month | October | May |
|---|---|---|
| Holiday weather score | 92better | 86 |
| Daytime high | 22° | 22° |
| Night-time low | 15° | 15° |
| Sea | 21.1° | 16.1° |
| Sunshine | 7.1 h | 7.3 h |
| Rainy days | 5better | 8 |
| Rainfall | 71 mmbetter | 136 mm |
| Muggy days | 2 | 1better |
Based on the climate averages 1996–2025.
Yeosu month by month
The typical weather for every month at a glance.
40January7° · Sea 12° · 6.2 h
In January, Yeosu is cold: daytime highs average 7 °C, and nights cool down to about 0 °C. The sea averages 12.0 °C – swimming is only for the hardy. Expect around 6.2 hours of sunshine a day. Rain is rare: about 4 days bring 31 mm in total. All in all, January is a so-so month for a holiday in Yeosu.
Yeosu in January46February9° · Sea 11° · 6.8 h
In February, Yeosu is cold: daytime highs average 9 °C, and nights cool down to about 2 °C. The sea averages 11.2 °C – swimming is only for the hardy. The sun shines for around 6.8 hours a day. Rain falls on about 5 days, adding up to 45 mm. All in all, February is a so-so month for a holiday in Yeosu.
Yeosu in February60March13° · Sea 12° · 6.8 h
In March, Yeosu is cool: daytime highs average 13 °C, and nights cool down to about 5 °C. The sea averages 11.5 °C – swimming is only for the hardy. The sun shines for around 6.8 hours a day. Rain falls on about 8 days, adding up to 83 mm. All in all, March is a good month for a holiday in Yeosu.
Yeosu in March84April18° · Sea 13° · 7.2 h
In April, Yeosu is mild: daytime highs average 18 °C, and nights cool down to about 11 °C. The sea averages 13.0 °C – swimming is only for the hardy. The sun shines for around 7.2 hours a day. Rain falls on about 9 days, adding up to 122 mm. All in all, April is an excellent month for a holiday in Yeosu.
Yeosu in April86May22° · Sea 16° · 7.3 h
In May, Yeosu is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. The sea averages 16.1 °C – swimming is only for the hardy. The sun shines for around 7.3 hours a day. Rain falls on about 8 days, adding up to 136 mm. All in all, May is an excellent month for a holiday in Yeosu.
Yeosu in May77June25° · Sea 20° · 5.8 h
In June, Yeosu is warm: daytime highs average 25 °C, and nights cool down to about 19 °C. The sea averages 19.8 °C – bracing, so a wetsuit helps for longer swims. Expect around 5.8 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 197 mm in total. The air is often humid and muggy. All in all, June is a good month for a holiday in Yeosu.
Yeosu in June59July28° · Sea 23° · 5.3 h
In July, Yeosu is hot: daytime highs average 28 °C, and even at night it stays warm at around 23 °C. The sea averages 23.1 °C – pleasant for swimming. Expect around 5.3 hours of sunshine a day. It rains often – on about 15 days, adding up to 263 mm. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Yeosu.
Yeosu in July55August30° · Sea 26° · 6.4 h
In August, Yeosu is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 25.9 °C – pleasant for swimming. Expect around 6.4 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 208 mm in total. On about 13 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Yeosu.
Yeosu in August76September26° · Sea 25° · 6.0 h
In September, Yeosu is warm: daytime highs average 26 °C, and even at night it stays warm at around 21 °C. The sea averages 24.5 °C – pleasant for swimming. Expect around 6.0 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 166 mm in total. The air is often humid and muggy. All in all, September is a good month for a holiday in Yeosu.
Yeosu in September92October22° · Sea 21° · 7.1 h
In October, Yeosu is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. The sea averages 21.1 °C – refreshing for a swim. The sun shines for around 7.1 hours a day. Rain is rare: about 5 days bring 71 mm in total. All in all, October is an excellent month for a holiday in Yeosu.
Yeosu in October76November16° · Sea 17° · 6.3 h
In November, Yeosu is cool: daytime highs average 16 °C, and nights cool down to about 9 °C. The sea averages 17.0 °C – bracing, so a wetsuit helps for longer swims. Expect around 6.3 hours of sunshine a day. Rain falls on about 6 days, adding up to 51 mm. All in all, November is a good month for a holiday in Yeosu.
Yeosu in November49December10° · Sea 14° · 6.4 h
In December, Yeosu is cold: daytime highs average 10 °C, and nights cool down to about 3 °C. The sea averages 13.8 °C – swimming is only for the hardy. Expect around 6.4 hours of sunshine a day. Rain is rare: about 4 days bring 28 mm in total. All in all, December is a so-so month for a holiday in Yeosu.
Yeosu in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Yeosu
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- Hot 24° and more
- muggy month (15+ muggy days)
PleasantOctober: nights around 15°. Ideal for sleeping, often with the window open. Muggy on about 2 days (dew point 18 °C or more).
The coolest nights are in January (0°), the warmest in August (24°). Tropical nights of 20 °C and more are the rule from July to September; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) from May to June and in October. Nights fall below 8 °C on average from December to March, so the room should be heated. It is muggy (dew point 18 °C or more) on about 97 days a year, mostly from June to September.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 40 | 7° | 0° | 12.0° | 6.2 h | 4 | 31 |
| FebruaryFeb | 46 | 9° | 2° | 11.2° | 6.8 h | 5 | 45 |
| MarchMar | 60 | 13° | 5° | 11.5° | 6.8 h | 8 | 83 |
| AprilApr | 84 | 18° | 11° | 13.0° | 7.2 h | 9 | 122 |
| MayMay | 86 | 22° | 15° | 16.1° | 7.3 h | 8 | 136 |
| JuneJun | 77 | 25° | 19° | 19.8° | 5.8 h | 10 | 197 |
| JulyJul | 59 | 28° | 23° | 23.1° | 5.3 h | 15 | 263 |
| AugustAug | 55 | 30° | 24° | 25.9° | 6.4 h | 14 | 208 |
| SeptemberSep | 76 | 26° | 21° | 24.5° | 6.0 h | 10 | 166 |
| OctoberOct | 92 | 22° | 15° | 21.1° | 7.1 h | 5 | 71 |
| NovemberNov | 76 | 16° | 9° | 17.0° | 6.3 h | 6 | 51 |
| DecemberDec | 49 | 10° | 3° | 13.8° | 6.4 h | 4 | 28 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
34.76° N, 127.66° E · 10 m · Asia/Seoul
Sea temperature in Yeosu
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 19.9 – 22.5 °C
Swimming season: Jul – Oct
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Yeosu ranges from 11.2 °C in February to 25.9 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to October.
From November to February the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 24.6 and 27.1 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 12.0° | 9.5° | 14.3° | cold |
| FebruaryFeb | 11.2° | 9.0° | 12.6° | cold |
| MarchMar | 11.5° | 10.3° | 12.8° | cold |
| AprilApr | 13.0° | 11.9° | 14.0° | cold |
| MayMay | 16.1° | 15.1° | 16.9° | cold |
| JuneJun | 19.8° | 18.8° | 20.6° | fresh |
| JulyJul | 23.1° | 22.1° | 24.7° | pleasant |
| AugustAug | 25.9° | 24.6° | 27.1° | pleasant |
| SeptemberSep | 24.5° | 23.6° | 25.2° | pleasant |
| OctoberOct | 21.1° | 19.9° | 22.5° | refreshing |
| NovemberNov | 17.0° | 15.7° | 18.4° | fresh |
| DecemberDec | 13.8° | 12.1° | 16.1° | cold |
Sunshine hours in Yeosu
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 7.1 of 11.4 hours of daylight in Yeosu, 62 % of the daylight hours.
Sunshine hours: measured at the weather station 8 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Yeosu: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Yeosu has about 5 rainy days with 71 mm of rain in total.
UV index in Yeosu
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 5 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 11).
Minutes until sunburn in October
- Very fair skin
- about 25 min
- Fair skin
- about 30 min
- Light brown skin
- about 45 min
- Olive skin
- about 55 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind and clouds in Yeosu
How breezy and how cloudy Yeosu is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Yeosu typically peaks at 19 km/h during the day: Beaufort 3, gentle breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Nov – May.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 44 % of the sky over Yeosu: mostly sunny, with about 7.1 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Yeosu
How often the day gets hot in Yeosu (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Yeosu has about 0 hot days, with an average daytime high of 22 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Planning a trip to Yeosu
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Yeosu in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Yeosu has its best school-holiday weather during October half-term (score 92) and its weakest during the Christmas holidays (score 45).
- 77
Easter holidays
Mar – Apr
Good
- 17 °C by day
- Sea 13 °C
- 7.1 h of sun a day
- 8 rainy days a month
- 84
May half-term
May – Jun
Excellent
- 23 °C by day
- Sea 17 °C
- 7.0 h of sun a day
- 8 rainy days a month
Good for: Sightseeing & walks
- 56
Summer holidays
Jul – Aug
Fair
- 29 °C by day
- Sea 25 °C
- 6.0 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain, Storm season
- 92
October half-term
Oct
ExcellentBest holidays
- 22 °C by day
- Sea 21 °C
- 7.1 h of sun a day
- 5 rainy days a month
Good for: Sightseeing & walks
Keep in mind: Storm season
- 45
Christmas holidays
Dec – Jan
Fair
- 8 °C by day
- Sea 13 °C
- 6.3 h of sun a day
- 4 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 11 h 35 min
- Distance
- 9,180 km
- Time zone
- UTC+9
- Jet lag
- About 8 days (8 h east)
Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Yeosu lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM, Fiji Meteorological Service); not a forecast.
Compare & alternatives
Yeosu compared
Put Yeosu side by side with another destination.
Yeosu vs Suncheon
In October the holiday weather in Yeosu and Suncheon is about equally good (score 92 vs 91). During the day it is about as warm in Suncheon as in Yeosu. The sea is about equally warm.
| in October | Yeosu | Suncheon |
|---|---|---|
| Holiday weather score | 92 | 91 |
| Daytime high | 22° | 22° |
| Sea | 21° | 21° |
| Sunshine | 7 h | 7 h |
| Rainy days | 5 | 5 |
| Best time | Apr – Jun, Oct | Apr – Jun, Sep – Oct |
Through the year
South Korea in October: the best places
In October, Yeosu ranks 1 of 28 destinations in this country.
- YeosuThis page22°21°92
- 2Suncheon22°21°91
- 3Gwangju22°90
- 4Changwon22°22°90
- 5Mokpo22°19°90
- 6Busan23°22°90
- 7Daegu22°90
- 8Jeonju22°89
Near Yeosu
Other destinations close by.
Places with a climate like Yeosu
Destinations whose weather through the year is closest to Yeosu's – good alternatives.
Frequently asked questions about Yeosu
When is the best time to visit Yeosu?
The best time to visit Yeosu is from April to June and in October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Yeosu?
The sea temperature in Yeosu ranges from 11.2 °C in February to 25.9 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to October.
Can you swim in Yeosu in October?
Yes. In October the sea averages 21.1 °C – refreshing for a swim.
What is the warmest month in Yeosu?
August is the warmest month, with average highs of 30 °C and nights around 24 °C. January is the coolest month at 7 °C.
When does it rain most in Yeosu?
Rain is frequent from July to August; the wettest month is July with 263 mm. The driest month is December with 28 mm.
How many hours of sunshine does Yeosu get?
Yeosu gets around 2,360 hours of sunshine a year. The sunniest month is May with 7.3 hours a day; in July there are 5.3 hours a day.
What time zone is Yeosu in?
Yeosu is on UTC+9 all year.
How long is the flight from London to Yeosu?
A nonstop flight from London to Yeosu takes about 11 h 35 min, for a straight-line distance of about 9,180 km. Most routes need a change of planes, which adds time.
When is typhoon season in Yeosu?
Yeosu lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for Yeosu?
Yeosu has its best school-holiday weather during October half-term (score 92) and its weakest during the Christmas holidays (score 45). Holiday ratings (0–100): Easter holidays 77, May half-term 84, summer holidays 56, October half-term 92, Christmas holidays 45.