Climate averages 1991–2020
Gangneung weather
in May.
A mild, moderately wet month: the 5th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Gangneung: daytime highs average 19.3°C and nights cool to about 12.4°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 87 mm of rain on roughly 9 days, which makes May a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 11 min on an average May day.
The nearest other city in this atlas is Donghae City (31 km away). In May its highs average 20.6°C, 1.3°C warmer than Gangneung, with 75 mm of rain.
Among the 79 cities listed in South Korea, Gangneung ranks 76th of 79 for the warmest May highs and joint 11th of 79 for the driest May (rainfall, lowest first). The mean May high of those 79 cities is 21.9°C; Gangneung is 2.6°C cooler than that mean.
From May to June, average highs rise by 3.0°C to 22.4°C, and monthly rainfall rises from 87 mm to 118 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Gangneung climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 2.5°C-4.1°C | -4.1°C | 44 | 5.7 | 9.910 h |
| February | 4.4°C-2.7°C | -2.7°C | 44 | 5.8 | 10.811 h |
| March | 9.0°C1.7°C | 1.7°C | 68 | 9.1 | 11.912 h |
| April | 14.7°C7.2°C | 7.2°C | 81 | 8.8 | 13.113 h |
| May, selected | 19.3°C12.4°C | 12.4°C | 87 | 8.9 | 14.214 h |
| June | 22.4°C16.8°C | 16.8°C | 118 | 11.4 | 14.715 h |
| July | 25.4°C20.9°C | 20.9°C | 219 | 15.8 | 14.514 h |
| August | 26.0°C21.7°C | 21.7°C | 229 | 17.3 | 13.614 h |
| September | 22.1°C17.1°C | 17.1°C | 186 | 12.2 | 12.512 h |
| October | 17.8°C11.5°C | 11.5°C | 82 | 8.5 | 11.311 h |
| November | 11.4°C5.1°C | 5.1°C | 63 | 7.5 | 10.210 h |
| December | 5.1°C-1.2°C | -1.2°C | 36 | 5.3 | 9.610 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Donghae City in MaySouth Korea · 31 kmHigh 20.6°C · Low 12.7°C · 75 mm rain
- Sokcho in MaySouth Korea · 56 kmHigh 19.6°C · Low 11.8°C · 87 mm rain
- Hongch’ŏn in MaySouth Korea · 87 kmHigh 21.7°C · Low 10.6°C · 97 mm rain
- Wŏnju in MaySouth Korea · 93 kmHigh 22.2°C · Low 10.8°C · 102 mm rain
- Chuncheon in MaySouth Korea · 101 kmHigh 22.0°C · Low 11.2°C · 100 mm rain
- Yeongju in MaySouth Korea · 106 kmHigh 22.4°C · Low 11.3°C · 91 mm rain
- Chungju in MaySouth Korea · 120 kmHigh 22.7°C · Low 11.5°C · 95 mm rain
- Yeoju in MaySouth Korea · 120 kmHigh 22.7°C · Low 11.3°C · 98 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Gangneung) is explained once on the Gangneung year overview and on the Sources, method and limits page.