AI-generatedGangneung at a glance
- Best time
- Apr – Jun, Sep – Oct
- Warmest month
- Aug · 29°
- Warmest sea
- Aug · 24.7°
- Sunshine a year
- 2,190 h
- Rain a year
- 1,187 mm
- Climate
- Temperate
- Time zone
- UTC+9
- Elevation
- 77 m
Climate in Gangneung
Gangneung has a temperate climate with warm summers and cool winters. August is the warmest month with average highs of 29 °C, while January is the coolest at 5 °C. With around 2,190 hours of sunshine a year, Gangneung is moderately sunny; May is the sunniest month with 7.1 hours a day.
Holiday weather through the year
Best time to visit Gangneung
The best time to visit Gangneung 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 October. Rain is frequent from July to August; the wettest month is August with 210 mm.
Gangneung through the seasons
How the weather changes over the seasons, with averages for each.
Gangneung in spring
Mar – May
Good
- 12–23 °C by day
- Sea 12 °C
- 6.8 h of sun a day
- 24 rainy days in all
Gangneung in summer
Jun – Aug
Good
- 25–29 °C by day
- Sea 22 °C
- 5.2 h of sun a day
- 40 rainy days in all
Gangneung in autumn
Sep – Nov
Good
- 14–25 °C by day
- Sea 19 °C
- 5.8 h of sun a day
- 28 rainy days in all
Gangneung in winter
Dec – Feb
Poor
- 5–8 °C by day
- Sea 11 °C
- 6.2 h of sun a day
- 16 rainy days in all
Which month for what?
Beach & swimming
Sep
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr – Jun, Sep – Oct
15–28 °C and not too much rain
Rainy months
Jul – Aug
Rainy season or more than 12 rainy days
Snow
Dec – Mar
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Gangneung for you.
Your best months: May
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, September – 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 14°
- Midday, 13:00: about 20°
- Afternoon, 16:00: about 19°
- Evening, 20:00: about 16°
- Night, 23:00: about 14°
06:3217:49
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 06:15–07:07 · evening 17:13–18:05
- Blue hour
- Morning 06:05–06:15 · evening 18:05–18:15
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 Gangneung compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 22° at the start of the month to 17° at the end. The sea cools from 21° to 18°. The days get 1.1 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 22° | 17° |
| Night-time low | 14° | 8° |
| Sea | 21° | 18° |
| Daylight | 11.8 h | 10.7 h |
What is the weather like in Gangneung in October?
In October, Gangneung is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. The sea averages 19.6 °C – bracing, so a wetsuit helps for longer swims. Expect around 6.2 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 94 mm in total. All in all, October is an excellent month for a holiday in Gangneung.
More details for October
- Daylight
- 11 h 17 min06:32 – 17:49
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 49 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+9offset from UTC
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %53 %
- Few rainy daysweight 30 %64 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Wetsuit for longer swims
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Gangneung
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
May has the better holiday weather in Gangneung: score 85 against 80. In May, days are 3 °C warmer than in October. The sea is 5 °C cooler in May. May has one rainy day fewer. The sun shines an hour longer a day in May.
| Month | October | May |
|---|---|---|
| Holiday weather score | 80 | 85better |
| Daytime high | 20° | 23° |
| Night-time low | 11° | 13° |
| Sea | 19.6° | 14.5° |
| Sunshine | 6.2 h | 7.1 hbetter |
| Rainy days | 9 | 8better |
| Rainfall | 94 mm | 80 mmbetter |
Based on the climate averages 1996–2025.
Gangneung month by month
The typical weather for every month at a glance.
37January5° · Sea 11° · 6.1 h
In January, Gangneung is cold: daytime highs average 5 °C, and nights often drop below freezing (−3 °C). The sea averages 10.7 °C – swimming is only for the hardy. Expect around 6.1 hours of sunshine a day. Rain falls on about 6 days, adding up to 40 mm. Snow falls on about 4 days. All in all, January is not an ideal month for a holiday in Gangneung.
Gangneung in January38February7° · Sea 9° · 6.4 h
In February, Gangneung is cold: daytime highs average 7 °C, and nights often drop below freezing (−1 °C). The sea averages 9.1 °C – swimming is only for the hardy. Expect around 6.4 hours of sunshine a day. Rain falls on about 6 days, adding up to 40 mm. Snow falls on about 4 days. All in all, February is not an ideal month for a holiday in Gangneung.
Gangneung in February51March12° · Sea 10° · 6.4 h
In March, Gangneung is cool: daytime highs average 12 °C, and nights cool down to about 3 °C. The sea averages 9.8 °C – swimming is only for the hardy. Expect around 6.4 hours of sunshine a day. Rain falls on about 8 days, adding up to 59 mm. Snow falls on about 4 days. All in all, March is a so-so month for a holiday in Gangneung.
Gangneung in March84April18° · Sea 12° · 7.0 h
In April, Gangneung is mild: daytime highs average 18 °C, and nights cool down to about 8 °C. The sea averages 12.0 °C – swimming is only for the hardy. The sun shines for around 7.0 hours a day. Rain falls on about 8 days, adding up to 70 mm. All in all, April is an excellent month for a holiday in Gangneung.
Gangneung in April85May23° · Sea 15° · 7.1 h
In May, Gangneung is warm: daytime highs average 23 °C, and nights cool down to about 13 °C. The sea averages 14.5 °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 80 mm. All in all, May is an excellent month for a holiday in Gangneung.
Gangneung in May77June25° · Sea 19° · 5.9 h
In June, Gangneung is warm: daytime highs average 25 °C, and nights cool down to about 17 °C. The sea averages 18.5 °C – bracing, so a wetsuit helps for longer swims. Expect around 5.9 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 103 mm in total. All in all, June is a good month for a holiday in Gangneung.
Gangneung in June57July28° · Sea 22° · 4.8 h
In July, Gangneung is hot: daytime highs average 28 °C, and even at night it stays warm at around 22 °C. The sea averages 22.2 °C – refreshing for a swim. Expect around 4.8 hours of sunshine a day. It rains often – on about 14 days, adding up to 206 mm. On about 10 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 Gangneung.
Gangneung in July51August29° · Sea 25° · 4.9 h
In August, Gangneung is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. The sea averages 24.7 °C – pleasant for swimming. Expect around 4.9 hours of sunshine a day. It rains often – on about 16 days, adding up to 210 mm. On about 10 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 Gangneung.
Gangneung in August72September25° · Sea 22° · 5.4 h
In September, Gangneung is warm: daytime highs average 25 °C, and nights cool down to about 17 °C. The sea averages 22.4 °C – refreshing for a swim. Expect around 5.4 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 185 mm in total. All in all, September is a good month for a holiday in Gangneung.
Gangneung in September80October20° · Sea 20° · 6.2 h
In October, Gangneung is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. The sea averages 19.6 °C – bracing, so a wetsuit helps for longer swims. Expect around 6.2 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 94 mm in total. All in all, October is an excellent month for a holiday in Gangneung.
Gangneung in October61November14° · Sea 16° · 5.8 h
In November, Gangneung is cool: daytime highs average 14 °C, and nights cool down to about 6 °C. The sea averages 16.2 °C – swimming is only for the hardy. Expect around 5.8 hours of sunshine a day. Rain falls on about 8 days, adding up to 64 mm. All in all, November is a good month for a holiday in Gangneung.
Gangneung in November39December8° · Sea 13° · 6.1 h
In December, Gangneung is cold: daytime highs average 8 °C, and nights often drop below freezing (−1 °C). The sea averages 13.2 °C – swimming is only for the hardy. Expect around 6.1 hours of sunshine a day. Rain is rare: about 5 days bring 35 mm in total. Snow falls on about 2 days. All in all, December is not an ideal month for a holiday in Gangneung.
Gangneung in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Gangneung
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 11°. A duvet at night and a jumper for the evening.
The coolest nights are in January (−3°), the warmest in August (22°). 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 74 days a year, mostly from July to August.
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 | 37 | 5° | −3° | 10.7° | 6.1 h | 6 | 40 |
| FebruaryFeb | 38 | 7° | −1° | 9.1° | 6.4 h | 6 | 40 |
| MarchMar | 51 | 12° | 3° | 9.8° | 6.4 h | 8 | 59 |
| AprilApr | 84 | 18° | 8° | 12.0° | 7.0 h | 8 | 70 |
| MayMay | 85 | 23° | 13° | 14.5° | 7.1 h | 8 | 80 |
| JuneJun | 77 | 25° | 17° | 18.5° | 5.9 h | 10 | 103 |
| JulyJul | 57 | 28° | 22° | 22.2° | 4.8 h | 14 | 206 |
| AugustAug | 51 | 29° | 22° | 24.7° | 4.9 h | 16 | 210 |
| SeptemberSep | 72 | 25° | 17° | 22.4° | 5.4 h | 12 | 185 |
| OctoberOct | 80 | 20° | 11° | 19.6° | 6.2 h | 9 | 94 |
| NovemberNov | 61 | 14° | 6° | 16.2° | 5.8 h | 8 | 64 |
| DecemberDec | 39 | 8° | −1° | 13.2° | 6.1 h | 5 | 35 |
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
37.75° N, 128.87° E · 77 m · Asia/Seoul
Sea temperature in Gangneung
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 18.3 – 21.1 °C
Swimming season: Jul – Sep
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Gangneung ranges from 9.1 °C in February to 24.7 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to September.
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 23.6 and 26.0 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 10.7° | 8.5° | 12.5° | cold |
| FebruaryFeb | 9.1° | 7.3° | 11.6° | cold |
| MarchMar | 9.8° | 7.7° | 12.4° | cold |
| AprilApr | 12.0° | 9.9° | 13.6° | cold |
| MayMay | 14.5° | 13.2° | 15.6° | cold |
| JuneJun | 18.5° | 17.1° | 19.4° | fresh |
| JulyJul | 22.2° | 20.5° | 23.8° | refreshing |
| AugustAug | 24.7° | 23.6° | 26.0° | pleasant |
| SeptemberSep | 22.4° | 21.4° | 23.9° | refreshing |
| OctoberOct | 19.6° | 18.3° | 21.1° | fresh |
| NovemberNov | 16.2° | 14.4° | 17.6° | cold |
| DecemberDec | 13.2° | 11.4° | 15.1° | cold |
Sunshine hours in Gangneung
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 6.2 of 11.3 hours of daylight in Gangneung, 55 % of the daylight hours.
Sunshine hours: measured at the weather station 2 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Gangneung: 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, Gangneung has about 9 rainy days with 94 mm of rain in total.
UV index in Gangneung
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 10).
Minutes until sunburn in October
- Very fair skin
- about 30 min
- Fair skin
- about 35 min
- Light brown skin
- about 50 min
- Olive skin
- about 65 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 Gangneung
How breezy and how cloudy Gangneung 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 Gangneung typically peaks at 15 km/h during the day: Beaufort 3, gentle breeze.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 49 % of the sky over Gangneung: variable cloud, with about 6.2 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 Gangneung
How often the day gets hot in Gangneung (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, Gangneung has about 0 hot days, with an average daytime high of 20 °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
Snow in Gangneung
Snow is possible in Gangneung, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Gangneung.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Planning a trip to Gangneung
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Gangneung 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.
Gangneung has its best school-holiday weather during May half-term (score 83) and its weakest during the Christmas holidays (score 38).
- 74
Easter holidays
Mar – Apr
Good
- 16 °C by day
- Sea 11 °C
- 6.8 h of sun a day
- 8 rainy days a month
Keep in mind: Snow
- 83
May half-term
May – Jun
ExcellentBest holidays
- 23 °C by day
- Sea 15 °C
- 6.9 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
- 53
Summer holidays
Jul – Aug
Fair
- 28 °C by day
- Sea 24 °C
- 4.9 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain, Storm season
- 80
October half-term
Oct
Excellent
- 20 °C by day
- Sea 20 °C
- 6.2 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
Keep in mind: Storm season
- 38
Christmas holidays
Dec – Jan
Poor
- 6 °C by day
- Sea 12 °C
- 6.1 h of sun a day
- 5 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 11 h 15 min
- Distance
- 8,940 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.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Gangneung 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
Gangneung compared
Put Gangneung side by side with another destination.
Gangneung vs Sokcho
In October the holiday weather in Gangneung and Sokcho is about equally good (score 80 vs 81). During the day it is about as warm in Sokcho as in Gangneung. The sea in Sokcho is 1 °C cooler.
| in October | Gangneung | Sokcho |
|---|---|---|
| Holiday weather score | 80 | 81 |
| Daytime high | 20° | 20° |
| Sea | 20° | 19° |
| Sunshine | 6 h | 6 h |
| Rainy days | 9 | 8 |
| Best time | Apr – Jun, Sep – Oct | Jul – Sep |
Through the year
South Korea in October: the best places
In October, Gangneung ranks 25 of 28 destinations in this country.
- Yeosu22°21°92
- 2Suncheon22°21°91
- 3Daegu22°90
- 4Changwon22°22°90
- 5Busan23°22°90
- 6Gwangju22°90
- 7Mokpo22°19°90
- 8Andong21°89
- 25GangneungThis page20°20°80
Near Gangneung
Other destinations close by.
Places with a climate like Gangneung
Destinations whose weather through the year is closest to Gangneung's – good alternatives.
Frequently asked questions about Gangneung
When is the best time to visit Gangneung?
The best time to visit Gangneung 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 Gangneung?
The sea temperature in Gangneung ranges from 9.1 °C in February to 24.7 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to September.
Can you swim in Gangneung in October?
Only if you don't mind cold water: in October the sea averages just 19.6 °C. Comfortable swimming is possible from July to September.
What is the warmest month in Gangneung?
August is the warmest month, with average highs of 29 °C and nights around 22 °C. January is the coolest month at 5 °C.
When does it rain most in Gangneung?
Rain is frequent from July to August; the wettest month is August with 210 mm. The driest month is December with 35 mm.
How many hours of sunshine does Gangneung get?
Gangneung gets around 2,190 hours of sunshine a year. The sunniest month is May with 7.1 hours a day; in July there are 4.8 hours a day.
What time zone is Gangneung in?
Gangneung is on UTC+9 all year.
How long is the flight from London to Gangneung?
A nonstop flight from London to Gangneung takes about 11 h 15 min, for a straight-line distance of about 8,940 km.
When is typhoon season in Gangneung?
Gangneung 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 Gangneung?
Gangneung has its best school-holiday weather during May half-term (score 83) and its weakest during the Christmas holidays (score 38). Holiday ratings (0–100): Easter holidays 74, May half-term 83, summer holidays 53, October half-term 80, Christmas holidays 38.