Weather in Gangneung - 14-day forecast

Detailed weather forecast for Gangneung, South Korea: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Gangneung

today🌧️ 26°💧 21.8 mm

Thu🌧️ 28°💧 0.7 mm

Fri🌧️ 31°💧 0.5 mm

Sat🌧️ 32°💧 1.4 mm

Sun🌧️ 33°💧 0.9 mm

Mon🌧️ 33°💧 0.5 mm

Tue☀️ 33°💧 3.3 mm

Wed🌧️ 30°💧 0.7 mm

14-day forecast - Gangneung

📅 Gangneung 30 & 45-day weather - long-range outlook

Next 16 days · forecast

27°

around 24° at night · days with rain: 10

Weeks 3-4 · avg for July

27°

around 21° at night · rain chance 36%

Weeks 5-7 · avg for August

27°

around 22° at night · rain chance 36%

The 30 & 45-day outlook for Gangneung: the next 16 days are a numerical forecast updated daily - on average 27° by day and 24° at night. Further out we rely on multi-year climate averages: around 27° in July, and about 27° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Gangneung

Wednesday8 July 2026

🌧️26°heavy rain

sunrise 05:10 · sunset 19:49 · night 25° · evening 23° · rain 21.79 mm · humidity 86% · wind 5 m/s · clouds 100%

Thursday9 July 2026

🌧️28°light rain

sunrise 05:10 · sunset 19:49 · night 24° · evening 27° · rain 0.72 mm · humidity 69% · wind 3 m/s · clouds 100%

Friday10 July 2026

🌧️31°light rain

sunrise 05:11 · sunset 19:48 · night 26° · evening 27° · rain 0.54 mm · humidity 57% · wind 3 m/s · clouds 100%

Saturday11 July 2026

🌧️32°light rain

sunrise 05:11 · sunset 19:48 · night 27° · evening 30° · rain 1.43 mm · humidity 54% · wind 3 m/s · clouds 59%

Sunday12 July 2026

🌧️33°light rain

sunrise 05:12 · sunset 19:48 · night 28° · evening 30° · rain 0.89 mm · humidity 55% · wind 2 m/s · clouds 26%

Monday13 July 2026

🌧️33°light rain

sunrise 05:13 · sunset 19:47 · night 27° · evening 31° · rain 0.51 mm · humidity 57% · wind 3 m/s · clouds 12%

Tuesday14 July 2026

☀️33°clear sky

sunrise 05:13 · sunset 19:47 · night 28° · evening 31° · rain 3.33 mm · humidity 54% · wind 3 m/s · clouds 4%

Wednesday15 July 2026

🌧️30°light rain

sunrise 05:14 · sunset 19:46 · night 24° · evening 28° · rain 0.72 mm · humidity 67% · wind 3 m/s · clouds 99%

Thursday16 July 2026

🌧️26°light rain

sunrise 05:15 · sunset 19:46 · night 23° · evening 25° · rain 2.22 mm · humidity 86% · wind 2 m/s · clouds 100%

Friday17 July 2026

🌧️23°light rain

sunrise 05:15 · sunset 19:45 · night 23° · evening 23° · rain 4.38 mm · humidity 97% · wind 2 m/s · clouds 100%

Saturday18 July 2026

🌧️24°moderate rain

sunrise 05:16 · sunset 19:45 · night 23° · evening 24° · rain 18.27 mm · humidity 91% · wind 2 m/s · clouds 100%

Sunday19 July 2026

🌧️24°light rain

sunrise 05:17 · sunset 19:44 · night 22° · evening 22° · rain 5.31 mm · humidity 91% · wind 3 m/s · clouds 70%

Monday20 July 2026

🌧️21°light rain

sunrise 05:18 · sunset 19:44 · night 21° · evening 20° · rain 6.69 mm · humidity 95% · wind 2 m/s · clouds 100%

Tuesday21 July 2026

🌧️21°light rain

sunrise 05:18 · sunset 19:43 · night 20° · evening 20° · rain 8.13 mm · humidity 95% · wind 2 m/s · clouds 100%

Wednesday22 July 2026

🌧️24°light rain

sunrise 05:19 · sunset 19:42 · night 19° · evening 23° · rain 0.75 mm · humidity 71% · wind 3 m/s · clouds 58%

Thursday23 July 2026

🌧️23°light rain

sunrise 05:20 · sunset 19:41 · night 20° · evening 21° · rain 2.49 mm · humidity 77% · wind 3 m/s · clouds 92%

☀️ UV index in Gangneung - is it safe to sunbathe?

Today the UV index in Gangneung is 5 (moderate) - unprotected fair skin can burn in about 45 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

🌊 Sea temperature - Gangneung

Water today

23°C

Week avg

24°C

Waves today

0.6 m

How's the water?

pleasant

16-day sea temperature forecast:

8.07 23°C9.07 23°C10.07 23°C11.07 24°C12.07 24°C13.07 25°C14.07 25°C15.07 25°C16.07 24°C

Average sea temperature through the year:

Jan 11°CFeb 7°CMar 10°CApr 13°CMay 16°CJun 21°CJul 25°CAug 27°CSep 25°COct 21°CNov 17°CDec 14°C

Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Air quality and smog in Gangneung

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Taejŏn	6.2	8.2	very good
Pohang	6.1	8.1	very good
Taegu	6	8.1	very good
Cheongju-si	5.5	6.7	very good
Seul	5	5.5	very good
Inch'ŏn	5	5.5	very good
Ansan-si	3.8	4.4	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-08, 10:00).

Gangneung weather through the year

Warmest, driest months on average: April, May, June, July.

🎉 Public holidays in Gangneung - when are the long weekends?

Next long weekend in Gangneung: Constitution Day (17 July, Friday) - Friday–Sunday (3 days off).

17 JulyFriday

Constitution Day

🎈 long weekend

17 AugustMonday

Liberation Day

🎈 long weekend

24 SeptemberThursday

Chuseok

🎈 long weekend + bridge day

25 SeptemberFriday

Chuseok

🎈 long weekend

26 SeptemberSaturday

Chuseok

falls on a weekend

5 OctoberMonday

National Foundation Day

🎈 long weekend

9 OctoberFriday

Hangul Day

🎈 long weekend

25 DecemberFriday

Christmas Day

🎈 long weekend

1 JanuaryFriday 2027

New Year's Day

🎈 long weekend

6 FebruarySaturday 2027

Lunar New Year

falls on a weekend

8 FebruaryMonday 2027

Lunar New Year

🎈 long weekend

9 FebruaryTuesday 2027

Lunar New Year

🎈 long weekend + bridge day

Public holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave.

Nearby places

SeoulAnyang

FAQ - Gangneung weather

What is the weather like in Gangneung today?

Today it is about 26° during the day and 25° at night, heavy rain.

How far ahead can I check the forecast for Gangneung?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.