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South Korea

Suncheon weather & best time to visit

City break

Suncheon at a glance

Best time
Apr – Jun, Sep – Oct
Warmest month
Aug · 30°
Warmest sea
Aug · 25.9°
Sunshine a year
2,310 h
Rain a year
1,401 mm
Climate
Temperate
Time zone
UTC+9
Elevation
19 m

Climate in Suncheon

Suncheon 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 2,310 hours of sunshine a year, Suncheon is sunny; May is the sunniest month with 7.2 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Suncheon

The best time to visit Suncheon is from April to June and from September to October. In September and 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 262 mm.

Suncheon through the seasons

How the weather changes over the seasons, with averages for each.

Suncheon in spring

Mar – May

76

Good

  • 13–22 °C by day
  • Sea 14 °C
  • 7.0 h of sun a day
  • 24 rainy days in all

Suncheon in summer

Jun – Aug

62

Good

  • 25–30 °C by day
  • Sea 23 °C
  • 5.6 h of sun a day
  • 38 rainy days in all

Suncheon in autumn

Sep – Nov

81

Excellent

  • 16–26 °C by day
  • Sea 21 °C
  • 6.4 h of sun a day
  • 21 rainy days in all

Suncheon in winter

Dec – Feb

44

Fair

  • 7–9 °C by day
  • Sea 12 °C
  • 6.4 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 Suncheon for you.

Swimming in the sea
Sunshine
Little rain

Your best months: May, October

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

91

Holiday weather in October

Excellent

Best time to visit: April – June, September – October

October is the peak of the typhoon season Hurricane season

Good forSightseeing & walks

Keep in mindStorm season

A typical day in October

  1. Morning, 08:00: about 16°
  2. Midday, 13:00: about 22°
  3. Afternoon, 16:00: about 21°
  4. Evening, 20:00: about 18°
  5. Night, 23:00: about 16°

06:3517:57

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 06:19–07:09 · evening 17:23–18:12
Blue hour
Morning 06:09–06:19 · evening 18:12–18:22

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 Suncheon compared with home

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.

Early or late October?
October1 Oct31 Oct
Daytime high24°19°
Night-time low17°11°
Sea23°19°
Daylight11.9 h10.8 h

What is the weather like in Suncheon in October?

In October, Suncheon is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. The sea averages 21.1 °C – refreshing for a swim. The sun shines for around 7.0 hours a day. Rain falls on about 5 days, adding up to 72 mm. All in all, October is an excellent month for a holiday in Suncheon.

More details for October

Daylight
11 h 22 min06:35 – 17:57
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 %67 %
  • Few rainy daysweight 30 %93 %

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 Suncheon

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

October has the better holiday weather in Suncheon: score 91 against 85. Daytime highs are about the same. The sea is 5 °C cooler in May. May has 3 more rainy days.

October vs May, Suncheon
MonthOctoberMay
Holiday weather score91better85
Daytime high22°22°
Night-time low14°15°
Sea21.1°16.1°
Sunshine7.0 h7.2 h
Rainy days5better8
Rainfall72 mmbetter136 mm
Muggy days21better

Based on the climate averages 1996–2025.

Suncheon month by month

The typical weather for every month at a glance.

40January7° · Sea 12° · 6.2 h

In January, Suncheon is cold: daytime highs average 7 °C, and nights often drop below freezing (−1 °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 Suncheon.

Suncheon in January
45February9° · Sea 11° · 6.7 h

In February, Suncheon is cold: daytime highs average 9 °C, and nights cool down to about 1 °C. The sea averages 11.2 °C – swimming is only for the hardy. The sun shines for around 6.7 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 Suncheon.

Suncheon in February
59March13° · Sea 12° · 6.6 h

In March, Suncheon 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 6.6 hours a day. Rain falls on about 8 days, adding up to 83 mm. All in all, March is a so-so month for a holiday in Suncheon.

Suncheon in March
84April18° · Sea 13° · 7.1 h

In April, Suncheon is mild: daytime highs average 18 °C, and nights cool down to about 10 °C. The sea averages 13.0 °C – swimming is only for the hardy. The sun shines for around 7.1 hours a day. Rain falls on about 8 days, adding up to 122 mm. All in all, April is an excellent month for a holiday in Suncheon.

Suncheon in April
85May22° · Sea 16° · 7.2 h

In May, Suncheon 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 7.2 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 Suncheon.

Suncheon in May
77June25° · Sea 20° · 5.7 h

In June, Suncheon 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 5.7 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 Suncheon.

Suncheon in June
57July28° · Sea 23° · 5.1 h

In July, Suncheon 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 5.1 hours of sunshine a day. It rains often – on about 15 days, adding up to 262 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 Suncheon.

Suncheon in July
53August30° · Sea 26° · 6.1 h

In August, Suncheon 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 6.1 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 208 mm in total. On about 14 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 Suncheon.

Suncheon in August
76September26° · Sea 25° · 5.9 h

In September, Suncheon is warm: daytime highs average 26 °C, and even at night it stays warm at around 20 °C. The sea averages 24.5 °C – pleasant for swimming. Expect around 5.9 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 Suncheon.

Suncheon in September
91October22° · Sea 21° · 7.0 h

In October, Suncheon is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. The sea averages 21.1 °C – refreshing for a swim. The sun shines for around 7.0 hours a day. Rain falls on about 5 days, adding up to 72 mm. All in all, October is an excellent month for a holiday in Suncheon.

Suncheon in October
75November16° · Sea 17° · 6.2 h

In November, Suncheon is cool: daytime highs average 16 °C, and nights cool down to about 8 °C. The sea averages 17.0 °C – bracing, so a wetsuit helps for longer swims. Expect around 6.2 hours of sunshine a day. Rain falls on about 5 days, adding up to 51 mm. All in all, November is a good month for a holiday in Suncheon.

Suncheon in November
47December9° · Sea 14° · 6.2 h

In December, Suncheon is cold: daytime highs average 9 °C, and nights cool down to about 2 °C. The sea averages 13.8 °C – swimming is only for the hardy. Expect around 6.2 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 Suncheon.

Suncheon in December

Climate in detail

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Suncheon

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Frost below 0°
  • Cold 0–8°
  • Cool 8–15°
  • Pleasant 15–20°
  • Warm 20–24°
  • Hot 24° and more
  • muggy month (15+ muggy days)

CoolOctober: nights around 14°. A duvet at night and a jumper for the evening. Muggy on about 2 days (dew point 18 °C or more).

The coolest nights are in January (−1°), 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. 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.

OctoberDay 22°Night 14°Sea 21°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan407°−1°12.0°6.2 h431
FebruaryFeb459°1°11.2°6.7 h545
MarchMar5913°5°11.5°6.6 h883
AprilApr8418°10°13.0°7.1 h8122
MayMay8522°15°16.1°7.2 h8136
JuneJun7725°19°19.8°5.7 h10197
JulyJul5728°23°23.1°5.1 h15262
AugustAug5330°24°25.9°6.1 h14208
SeptemberSep7626°20°24.5°5.9 h10166
OctoberOct9122°14°21.1°7.0 h572
NovemberNov7516°8°17.0°6.2 h551
DecemberDec479°2°13.8°6.2 h428

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

34.95° N, 127.49° E · 19 m · Asia/Seoul

Swimming calendar

Sea temperature in Suncheon

Monthly sea surface temperature with the range of cooler and warmer years.

Sea in October21.1°Crefreshing

8 in 10 years: 19.9 – 22.5 °C

Swimming season: Jul – Oct

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 21.1°8 in 10 years 19.9° – 22.5°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Suncheon 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.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan12.0°9.5°14.3°cold
FebruaryFeb11.2°9.0°12.6°cold
MarchMar11.5°10.3°12.8°cold
AprilApr13.0°11.9°14.0°cold
MayMay16.1°15.1°16.9°cold
JuneJun19.8°18.8°20.6°fresh
JulyJul23.1°22.1°24.7°pleasant
AugustAug25.9°24.6°27.1°pleasant
SeptemberSep24.5°23.6°25.2°pleasant
OctoberOct21.1°19.9°22.5°refreshing
NovemberNov17.0°15.7°18.4°fresh
DecemberDec13.8°12.1°16.1°cold
Sunshine

Sunshine hours in Suncheon

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
2,310 hours
Sunniest month
May · 7.2 h a day
Least sunshine
Jul · 5.1 h a day
OctoberSunshine 7.0 hDaylight 11.4 hShare of daylight 61 %
SunshineDaylight

In October, the sun shines for about 7.0 of 11.4 hours of daylight in Suncheon, 61 % of the daylight hours.

Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.

Rain

Rain in Suncheon: 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.

Per year
1,401 mm on 96 days
Wettest month
Jul · 262 mm
Driest month
Dec · 28 mm
OctoberRainy days 5Rainfall 72 mm

In October, Suncheon has about 5 rainy days with 72 mm of rain in total.

Sun protection

UV index in Suncheon

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 & clouds

Wind and clouds in Suncheon

How breezy and how cloudy Suncheon 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.

Year average
20 km/h · moderate breeze
Windiest month
Jan · 23 km/h
Calmest month
Jun · 18 km/h
OctoberWind 19 km/hBeaufort 3
20
WindBeaufort 4

In October, the wind in Suncheon 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.

Year average
55 % · variable cloud
Clearest month
Dec · 43 %
Cloudiest month
Jul · 72 %
OctoberCloud cover 44 %Sunshine 7.0 h

In October, cloud covers on average 44 % of the sky over Suncheon: mostly sunny, with about 7.0 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 & humidity

Heat and humidity in Suncheon

How often the day gets hot in Suncheon (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
22 days
Hottest month
Aug · 30 °C
Hot months
none

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 0Daytime high 22 °C

In October, Suncheon 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 Suncheon

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Suncheon 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.

Suncheon has its best school-holiday weather during October half-term (score 91) and its weakest during the Christmas holidays (score 44).

  • Easter holidays

    Mar – Apr

    77

    Good

    • 17 °C by day
    • Sea 13 °C
    • 7.0 h of sun a day
    • 8 rainy days a month
  • May half-term

    May – Jun

    83

    Excellent

    • 23 °C by day
    • Sea 17 °C
    • 6.9 h of sun a day
    • 9 rainy days a month

    Good for: Sightseeing & walks

  • Summer holidays

    Jul – Aug

    54

    Fair

    • 29 °C by day
    • Sea 25 °C
    • 5.8 h of sun a day
    • 14 rainy days a month

    Keep in mind: Frequent rain, Storm season

  • October half-term

    Oct

    91

    ExcellentBest holidays

    • 22 °C by day
    • Sea 21 °C
    • 7.0 h of sun a day
    • 5 rainy days a month

    Good for: Sightseeing & walks

    Keep in mind: Storm season

  • Christmas holidays

    Dec – Jan

    44

    Fair

    • 8 °C by day
    • Sea 13 °C
    • 6.2 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 30 min
Distance
9,150 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

Suncheon 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.

  1. January
  2. February
  3. March
  4. April
  5. May
  6. June: Season
  7. July: Season
  8. August: Peak
  9. September: Peak
  10. October: Peak
  11. November: Season
  12. December

Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM, Fiji Meteorological Service); not a forecast.

Compare & alternatives

Compare

Suncheon compared

Put Suncheon side by side with another destination.

Nearby:
Compare with home:

Suncheon vs Yeosu

In October the holiday weather in Suncheon and Yeosu is about equally good (score 91 vs 92). During the day it is about as warm in Yeosu as in Suncheon. The sea is about equally warm.

Suncheon vs Yeosu, in October
in OctoberSuncheonYeosu
Holiday weather score9192
Daytime high22°22°
Sea21°21°
Sunshine7 h7 h
Rainy days55
Best timeApr – Jun, Sep – OctApr – Jun, Oct

Through the year

OctoberSuncheon 22°Yeosu 22°
SuncheonYeosu
Go to Yeosu
Ranking

South Korea in October: the best places

In October, Suncheon ranks 2 of 28 destinations in this country.

  1. Yeosu22°21°92
  2. 2SuncheonThis page22°21°91
  3. 3Gwangju22°90
  4. 4Mokpo22°19°90
  5. 5Changwon22°22°90
  6. 6Busan23°22°90
  7. 7Daegu22°90
  8. 8Jeonju22°89
All destinations: South Korea

Near Suncheon

Other destinations close by.

Places with a climate like Suncheon

Destinations whose weather through the year is closest to Suncheon's – good alternatives.

  1. 86 % similar87PohangSouth Korea22°22°Best time: Apr – Jun, Sep – Nov
  2. 79 % similar80GangneungSouth Korea20°20°Best time: Apr – Jun, Sep – Oct
  3. 78 % similar87UlsanSouth Korea23°22°Best time: Apr – Jun, Sep – Nov
  4. 72 % similar36SokchoSouth Korea20°19°Best time: Jul – Sep

Frequently asked questions about Suncheon

When is the best time to visit Suncheon?

The best time to visit Suncheon is from April to June and from September to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

How warm is the sea in Suncheon?

The sea temperature in Suncheon 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 Suncheon in October?

Yes. In October the sea averages 21.1 °C – refreshing for a swim.

What is the warmest month in Suncheon?

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 Suncheon?

Rain is frequent from July to August; the wettest month is July with 262 mm. The driest month is December with 28 mm.

How many hours of sunshine does Suncheon get?

Suncheon gets around 2,310 hours of sunshine a year. The sunniest month is May with 7.2 hours a day; in July there are 5.1 hours a day.

What time zone is Suncheon in?

Suncheon is on UTC+9 all year.

How long is the flight from London to Suncheon?

A nonstop flight from London to Suncheon takes about 11 h 30 min, for a straight-line distance of about 9,150 km. Most routes need a change of planes, which adds time.

When is typhoon season in Suncheon?

Suncheon 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 Suncheon?

Suncheon has its best school-holiday weather during October half-term (score 91) and its weakest during the Christmas holidays (score 44). Holiday ratings (0–100): Easter holidays 77, May half-term 83, summer holidays 54, October half-term 91, Christmas holidays 44.