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 →

Gangneung🇰🇷 South Korea · Korea · Beach85
  1. 52Jan
  2. 57Feb
  3. 68Mar
  4. 77Apr
  5. 81May
  6. 85Jun
  7. 76Jul
  8. 72Aug
  9. 74Sep
  10. 70Oct
  11. 69Nov
  12. 54Dec

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, South Korea
Photo: 정규송 Nui MALAMA · Pexels

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.

MonthScoreTierHighRainSunCrowdsOn
Jan52D6°C5 d8 hPeak3
Feb57D7°C6 d9 hPeak1
Mar68C13°C9 d9 hShoulder1
Apr77B19°C8 d10 hBusy1
May81A24°C9 d10 hBusy1
Jun85A27°C11 d11 hBusy1
Jul76B29°C16 d9 hPeak1
Aug72B30°C19 d9 hPeak1
Sep74B25°C14 d8 hPeak1
Oct70B20°C12 d8 hBusy2
Nov69C15°C6 d8 hBusy1
Dec54D7°C4 d8 hPeak2

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

Everything on in Gangneung through the year →

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)

JFMAMJJASOND

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.
Tripadvisor community · June · 1 month ago · Read more on Tripadvisor ↗
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.
GangwonCoastRegular · December · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Gangneung's card on the map.