Gangneung weather by month
The best time to visit Gangneung is April to June — 85/100 in June, 27°C and 11 rainy days. The best season is summer, June to August (78/100 on average).
The worst month is January at 52/100 — cold, a little rain, reliable snow. See January →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit South Korea →
Best season: June to August (78/100 on average) · worst January (52/100)
- Days
- 27°C
- Nights
- 19°C
- Wet days
- 11
- Sun
- 10.5 h
- Humidity
- 77%
- Daylight
- 15 h

Gangneung, month by month
Comfort score out of 100 for the kind of trip Gangneung is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
What's on in Gangneung through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- January
- Seollal16–18 FebHoliday
- March
- Spring wildfire weeks1 Mar – 30 Apr (usually)Hazard
- May
- Gangneung Danoje25 May – 25 Jun (usually)Festival
- July
- Beaches open1 Jul – 25 Aug (usually)Season
- September
- Chuseok24–26 SepHoliday
- October
- Gangneung Coffee Festival1–31 Oct (usually)Festival
- November
- Gangneung Christmas Winter Festival24 Nov – 31 Jan (usually)Festival
- December
- Jeongdongjin New Year sunrise30 Dec – 2 Jan (usually)Festival
Crowds in Gangneung in June
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyGangneung Danoje, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Traveller notes on Gangneung
What people who have been say about the place — the year-round notes first, then month by month.
Forum posters describe the first half of June across South Korea as generally dry and hot by day, cooling off somewhat at night, with the monsoon (jangma) typically not arriving until the final week of the month - meaning early-to-mid June should stay comfortably ahead of the wetter, stickier conditions that follow. Posters consistently recommend shorts and short-sleeve shirts for the day, with a long-sleeve layer worth packing for cooler evenings. Given Gangneung's coastal position on the East Sea, posters' general Korea-wide June guidance applies well here, with the beach town's early-June conditions likely staying pleasant right up until the monsoon's late-month arrival shifts the pattern toward more persistent rain.
South Korea's forum notes that early December isn't yet the harshest stretch of winter - closer to freezing than truly bitter - while conditions turn noticeably colder as the month goes on toward the end-of-December-into-January cold snap. Gangwon-do, the province Gangneung sits in, gets flagged repeatedly for its ski resorts and real mountain snow, though Gangneung itself on the coast tends to stay drier and sunnier than the interior thanks to its position. Posters were clear that cold-and-bright is a perfectly good travel day here; it's the damp, gloomy stretches that are less pleasant.
Add your own note from Gangneung's card on the map.