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In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
Gangneung Weather in May
During May, Gangneung experiences pleasant daytime temperatures of 20°C (68°F) and cooler nights around 12°C (54°F). Expect quite a bit of rainfall. Around 86 mm (3.4 in) is typical.
Rainfall in Gangneung in May
Historically, approximately 8 days this month are expected to have rain, averaging 86 mm (3.4 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Gangneung in May
May is a good time to be in Gangneung. Days are excellent, reaching 20°C (68°F), with nights around 12°C (54°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Gangneung in May
The month enjoys around 235 hours of sunshine, creating mostly sunny days with good weather conditions.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Gangneung Temperature in May
Min Temperature
12°C (54°F)
Max Temperature
20°C (68°F)
Chance of Rain
27%
Precipitation
86 mm (3.4 in)
Rainy days
8 days
Humidity
68% *
Sunshine
235 hours *
Percentage Sunshine
52% *
* Data from: Pyeongchang, South Korea (61 KM, 38 Miles).
Gangneung Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gangneung - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Gangneung typically stay consistent throughout May, with daily highs averaging around 20°C (68°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 13°C (55°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Gangneung in May
Browse day-by-day weather records for Gangneung spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Gangneung historical weather extremes in May
The extremes listed below come from historical weather data collected in Gangneung from 1976 through 2026.
- The warmest day in May was on May 16, 2023, with a maximum of 35°C (95°F).
- The coldest May day was on May 17, 1981, with a maximum of 10°C (50°F).
- The lowest overnight temperature recorded in May was -3°C (27°F) (May 4, 1987).
Best Places in South Korea in May
Find out more about the weather in South Korea and which places have the best travel conditions in this month. See all of South Korea in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Gangneung in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Gangneung in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Gangneung 3-Day Forecast
More climate data for Gangneung
Temperature Rainfall Sunshine Humidity
See the full Gangneung climate overview or explore weather in South Korea.
Popular in May
Where to go in May - average daytime high across popular destinations.
Seoul
24°C (75°F) Jeonju25°C (77°F) Suwon24°C (75°F) Gyeongju25°C (77°F) Seogwipo
22°C (72°F) Incheon21°C (70°F) Busan22°C (72°F) Jeju20°C (68°F) Bucket list
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