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Geoje weather & best time to visit

Sun, sea & sand

Geoje at a glance

Best time
Jun – Oct
Warmest month
Aug · 30°
Warmest sea
Aug · 26.5°
Sunshine a year
2,220 h
Rain a year
1,326 mm
Climate
Temperate
Time zone
UTC+9
Elevation
11 m

Climate in Geoje

Geoje 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 8 °C. With around 2,220 hours of sunshine a year, Geoje is sunny; May is the sunniest month with 7.5 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Geoje

The best time to visit Geoje is from June to October. In August, 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. The wettest month is July with 230 mm of precipitation.

Geoje through the seasons

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

Geoje in spring

Mar – May

37

Poor

  • 14–24 °C by day
  • Sea 15 °C
  • 7.1 h of sun a day
  • 23 rainy days in all

Geoje in summer

Jun – Aug

72

Good

  • 26–30 °C by day
  • Sea 23 °C
  • 5.6 h of sun a day
  • 36 rainy days in all

Geoje in autumn

Sep – Nov

60

Good

  • 16–27 °C by day
  • Sea 22 °C
  • 5.8 h of sun a day
  • 21 rainy days in all

Geoje in winter

Dec – Feb

29

Poor

  • 8–10 °C by day
  • Sea 15 °C
  • 5.7 h of sun a day
  • 12 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

Find your perfect month

Tell us what you like and we rate every month in Geoje for you.

Swimming in the sea
Sunshine
Little rain

Your best months: August – September

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

Your holiday weather, at a glance

Weather in October

Weather in October

67

Holiday weather in October

Good

Best time to visit: June – 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 22°
  4. Evening, 20:00: about 17°
  5. Night, 23:00: about 15°

06:3017:52

Cool evenings: pack a jumper or a jacket.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 06:15–07:04 · evening 17:18–18:08
Blue hour
Morning 06:05–06:15 · evening 18:08–18:18

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 Geoje compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs fall from about 25° at the start of the month to 19° at the end. The sea cools from 23° to 20°. The days get 1.0 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high25°19°
Night-time low15°9°
Sea23°20°
Daylight11.9 h10.9 h

What is the weather like in Geoje in October?

In October, Geoje is warm: daytime highs average 22 °C, and nights cool down to about 13 °C. The sea averages 21.9 °C – refreshing for a swim. Expect around 6.3 hours of sunshine a day. Rain falls on about 5 days, adding up to 75 mm. All in all, October is a good month for a holiday in Geoje.

More details for October

Daylight
11 h 22 min06:30 – 17:52
UV index
5 · moderateclear sky, noon (estimate)All months
Muggy days
3 daysdew point 18 °C or moreAll months
Wind
19 km/haverage daily peakAll months
Cloud cover
45 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC+9offset from UTC

How the score comes together

  • Temperatureweight 35 %57 %
  • Seaweight 25 %70 %
  • Sunshineweight 20 %55 %
  • Few rainy daysweight 20 %92 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • Swimwear
  • Sunscreen
  • A jumper for the evenings

Compare two months in Geoje

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

vs

September has the better holiday weather in Geoje: score 80 against 67. In September, days are 5 °C warmer than in October. The sea is 3 °C warmer in September. September has 5 more rainy days. The sun shines an hour less a day in September.

October vs September, Geoje
MonthOctoberSeptember
Holiday weather score6780better
Daytime high22°27°
Night-time low13°19°
Sea21.9°24.9°
Sunshine6.3 hbetter5.6 h
Rainy days5better10
Rainfall75 mmbetter174 mm
Muggy days3better18

Based on the climate averages 1996–2025.

Geoje month by month

The typical weather for every month at a glance.

28January8° · Sea 14° · 5.5 h

In January, Geoje is cold: daytime highs average 8 °C, and nights often drop below freezing (−1 °C). The sea averages 14.3 °C – swimming is only for the hardy. Expect around 5.5 hours of sunshine a day. Rain is rare: about 4 days bring 30 mm in total. All in all, January is not an ideal month for a holiday in Geoje.

Geoje in January
30February10° · Sea 13° · 6.3 h

In February, Geoje is cold: daytime highs average 10 °C, and nights cool down to about 0 °C. The sea averages 13.3 °C – swimming is only for the hardy. Expect around 6.3 hours of sunshine a day. Rain falls on about 5 days, adding up to 44 mm. All in all, February is not an ideal month for a holiday in Geoje.

Geoje in February
27March14° · Sea 13° · 6.6 h

In March, Geoje is cool: daytime highs average 14 °C, and nights cool down to about 4 °C. The sea averages 13.4 °C – swimming is only for the hardy. The sun shines for around 6.6 hours a day. Rain falls on about 7 days, adding up to 83 mm. All in all, March is not an ideal month for a holiday in Geoje.

Geoje in March
28April19° · Sea 14° · 7.2 h

In April, Geoje is mild: daytime highs average 19 °C, and nights cool down to about 9 °C. The sea averages 14.4 °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 117 mm. All in all, April is not an ideal month for a holiday in Geoje.

Geoje in April
56May24° · Sea 17° · 7.5 h

In May, Geoje is warm: daytime highs average 24 °C, and nights cool down to about 13 °C. The sea averages 16.5 °C – swimming is only for the hardy. The sun shines for around 7.5 hours a day. Rain falls on about 8 days, adding up to 124 mm. All in all, May is a so-so month for a holiday in Geoje.

Geoje in May
69June26° · Sea 20° · 6.1 h

In June, Geoje is warm: daytime highs average 26 °C, and nights cool down to about 18 °C. The sea averages 20.1 °C – refreshing for a swim. Expect around 6.1 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 177 mm in total. The air is often humid and muggy. All in all, June is a good month for a holiday in Geoje.

Geoje in June
71July29° · Sea 24° · 4.9 h

In July, Geoje is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 23.5 °C – pleasant for swimming. Expect around 4.9 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 230 mm in total. On about 9 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a good month for a holiday in Geoje.

Geoje in July
77August30° · Sea 27° · 5.9 h

In August, Geoje is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 26.5 °C – lovely and warm for swimming. Expect around 5.9 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 188 mm in total. On about 19 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in Geoje.

Geoje in August
80September27° · Sea 25° · 5.6 h

In September, Geoje is warm: daytime highs average 27 °C, and nights cool down to about 19 °C. The sea averages 24.9 °C – pleasant for swimming. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 174 mm in total. The air is often humid and muggy. All in all, September is an excellent month for a holiday in Geoje.

Geoje in September
67October22° · Sea 22° · 6.3 h

In October, Geoje is warm: daytime highs average 22 °C, and nights cool down to about 13 °C. The sea averages 21.9 °C – refreshing for a swim. Expect around 6.3 hours of sunshine a day. Rain falls on about 5 days, adding up to 75 mm. All in all, October is a good month for a holiday in Geoje.

Geoje in October
33November16° · Sea 19° · 5.5 h

In November, Geoje is mild: daytime highs average 16 °C, and nights cool down to about 7 °C. The sea averages 18.9 °C – bracing, so a wetsuit helps for longer swims. Expect around 5.5 hours of sunshine a day. Rain falls on about 5 days, adding up to 53 mm. All in all, November is not an ideal month for a holiday in Geoje.

Geoje in November
28December10° · Sea 16° · 5.4 h

In December, Geoje is cold: daytime highs average 10 °C, and nights cool down to about 1 °C. The sea averages 16.3 °C – swimming is only for the hardy. Expect around 5.4 hours of sunshine a day. Rain is rare: about 4 days bring 28 mm in total. All in all, December is not an ideal month for a holiday in Geoje.

Geoje 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 Geoje

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°
  • muggy month (15+ muggy days)

CoolOctober: nights around 13°. A duvet at night and a jumper for the evening. Muggy on about 3 days (dew point 18 °C or more).

The coolest nights are in January (−1°), the warmest in August (23°). Tropical nights of 20 °C and more are the rule from July to August; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in June and in September. Nights fall below 8 °C on average from November to March, so the room should be heated. It is muggy (dew point 18 °C or more) on about 96 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 13°Sea 22°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan288°−1°14.3°5.5 h430
FebruaryFeb3010°0°13.3°6.3 h544
MarchMar2714°4°13.4°6.6 h783
AprilApr2819°9°14.4°7.2 h8117
MayMay5624°13°16.5°7.5 h8124
JuneJun6926°18°20.1°6.1 h9177
JulyJul7129°23°23.5°4.9 h14230
AugustAug7730°23°26.5°5.9 h13188
SeptemberSep8027°19°24.9°5.6 h10174
OctoberOct6722°13°21.9°6.3 h575
NovemberNov3316°7°18.9°5.5 h553
DecemberDec2810°1°16.3°5.4 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

34.85° N, 128.59° E · 11 m · Asia/Seoul

Swimming calendar

Sea temperature in Geoje

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

Sea in October21.9°Crefreshing

8 in 10 years: 20.8 – 22.8 °C

Swimming season: Jun – Oct

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 21.9°8 in 10 years 20.8° – 22.8°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Geoje ranges from 13.3 °C in February to 26.5 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June 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 24.9 and 27.8 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan14.3°13.5°15.2°cold
FebruaryFeb13.3°12.5°14.2°cold
MarchMar13.4°12.6°14.1°cold
AprilApr14.4°13.4°15.4°cold
MayMay16.5°15.5°17.4°cold
JuneJun20.1°19.3°20.7°refreshing
JulyJul23.5°22.0°24.9°pleasant
AugustAug26.5°24.9°27.8°warm
SeptemberSep24.9°24.0°25.9°pleasant
OctoberOct21.9°20.8°22.8°refreshing
NovemberNov18.9°18.3°19.9°fresh
DecemberDec16.3°15.4°17.6°cold
Sunshine

Sunshine hours in Geoje

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

Per year
2,220 hours
Sunniest month
May · 7.5 h a day
Least sunshine
Jul · 4.9 h a day
OctoberSunshine 6.3 hDaylight 11.4 hShare of daylight 55 %
SunshineDaylight

In October, the sun shines for about 6.3 of 11.4 hours of daylight in Geoje, 55 % of the daylight hours.

Sunshine hours: measured at the weather station 4 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.

Rain

Rain in Geoje: 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
1,326 mm on 92 days
Wettest month
Jul · 230 mm
Driest month
Dec · 28 mm
OctoberRainy days 5Rainfall 75 mm

In October, Geoje has about 5 rainy days with 75 mm of rain in total.

Sun protection

UV index in Geoje

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 Geoje

How breezy and how cloudy Geoje 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
21 km/h · moderate breeze
Windiest month
Mar · 23 km/h
Calmest month
Oct · 19 km/h
OctoberWind 19 km/hBeaufort 3
20
WindBeaufort 4

In October, the wind in Geoje 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: all year except Oct.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
53 % · variable cloud
Clearest month
Dec · 36 %
Cloudiest month
Jul · 71 %
OctoberCloud cover 45 %Sunshine 6.3 h

In October, cloud covers on average 45 % of the sky over Geoje: mostly sunny, with about 6.3 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 Geoje

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

Hot days a year
30 days
Hottest month
Aug · 30 °C
Hot months
Aug

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, Geoje 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 Geoje

Weather for your travel dates

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

Geoje 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.

Geoje has its best school-holiday weather during the summer holidays (score 75) and its weakest during the Easter holidays (score 28).

  • Easter holidays

    Mar – Apr

    28

    Poor

    • 17 °C by day
    • Sea 14 °C
    • 7.0 h of sun a day
    • 8 rainy days a month
  • May half-term

    May – Jun

    59

    Fair

    • 24 °C by day
    • Sea 17 °C
    • 7.2 h of sun a day
    • 8 rainy days a month

    Good for: Sightseeing & walks

  • Summer holidays

    Jul – Aug

    75

    GoodBest holidays

    • 30 °C by day
    • Sea 25 °C
    • 5.6 h of sun a day
    • 13 rainy days a month

    Keep in mind: Storm season

  • October half-term

    Oct

    67

    Good

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

    Good for: Sightseeing & walks

    Keep in mind: Storm season

  • Christmas holidays

    Dec – Jan

    28

    Poor

    • 9 °C by day
    • Sea 15 °C
    • 5.5 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
9,210 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

Geoje 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

Geoje compared

Put Geoje side by side with another destination.

Nearby:
Compare with home:

Geoje vs Changwon

In October the holiday weather in Geoje and Changwon is about equally good (score 67 vs 67). During the day it is about as warm in Changwon as in Geoje. The sea is about equally warm. Changwon gets one more hour of sunshine a day.

Geoje vs Changwon, in October
in OctoberGeojeChangwon
Holiday weather score6767
Daytime high22°22°
Sea22°22°
Sunshine6 h7 h
Rainy days55
Best timeJun – OctApr – Jun, Oct – Nov

Through the year

OctoberGeoje 22°Changwon 22°
GeojeChangwon
Go to Changwon
Ranking

South Korea in October: the best places

In October, Geoje ranks 26 of 28 destinations in this country.

  1. Yeosu22°21°92
  2. 2Suncheon22°21°91
  3. 3Changwon22°22°90
  4. 4Busan23°22°90
  5. 5Daegu22°90
  6. 6Gwangju22°90
  7. 7Mokpo22°19°90
  8. 8Jeonju22°89
  9. 26GeojeThis page22°22°67
All destinations: South Korea

Near Geoje

Other destinations close by.

Places with a climate like Geoje

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

  1. 78 % similar81KureJapan23°23°Best time: Apr – Jun, Oct – Nov
  2. 77 % similar77HimejiJapan23°24°Best time: Apr – Jun, Oct – Nov
  3. 76 % similar59HaenamSouth Korea22°20°Best time: Jul – Sep
  4. 76 % similar81HiroshimaJapan24°23°Best time: Apr – Jun, Oct – Nov

Frequently asked questions about Geoje

When is the best time to visit Geoje?

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

How warm is the sea in Geoje?

The sea temperature in Geoje ranges from 13.3 °C in February to 26.5 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.

Can you swim in Geoje in October?

Yes. In October the sea averages 21.9 °C – refreshing for a swim.

What is the warmest month in Geoje?

August is the warmest month, with average highs of 30 °C and nights around 23 °C. January is the coolest month at 8 °C.

When does it rain most in Geoje?

The wettest month is July with 230 mm of precipitation. The driest month is December with 28 mm.

How many hours of sunshine does Geoje get?

Geoje gets around 2,220 hours of sunshine a year. The sunniest month is May with 7.5 hours a day; in July there are 4.9 hours a day.

What time zone is Geoje in?

Geoje is on UTC+9 all year.

How long is the flight from London to Geoje?

A nonstop flight from London to Geoje takes about 11 h 35 min, for a straight-line distance of about 9,210 km. Most routes need a change of planes, which adds time.

When is typhoon season in Geoje?

Geoje 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 Geoje?

Geoje has its best school-holiday weather during the summer holidays (score 75) and its weakest during the Easter holidays (score 28). Holiday ratings (0–100): Easter holidays 28, May half-term 59, summer holidays 75, October half-term 67, Christmas holidays 28.