Climate averages 1991–2020
Gangneung weather
in August.
A warm, very wet month: the warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Gangneung: daytime highs average 26.0°C and nights cool to about 21.7°C. By daytime temperature it is the warmest month of the year.
Expect about 229 mm of rain on roughly 17 days, which makes August a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 37 min on an average August day.
The nearest other city in this atlas is Donghae City (31 km away). In August its highs average 27.1°C, 1.0°C warmer than Gangneung, with 215 mm of rain.
Among the 79 cities listed in South Korea, Gangneung ranks 79th of 79 for the warmest August highs and 42nd of 79 for the driest August (rainfall, lowest first). The mean August high of those 79 cities is 28.6°C; Gangneung is 2.6°C cooler than that mean.
From August to September, average highs fall by 3.9°C to 22.1°C, and monthly rainfall falls from 229 mm to 186 mm.
The annual picture
August 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 | 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, selected | 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
August in nearby cities
- Donghae City in AugustSouth Korea · 31 kmHigh 27.1°C · Low 22.3°C · 215 mm rain
- Sokcho in AugustSouth Korea · 56 kmHigh 26.2°C · Low 21.4°C · 200 mm rain
- Hongch’ŏn in AugustSouth Korea · 87 kmHigh 28.0°C · Low 20.8°C · 230 mm rain
- Wŏnju in AugustSouth Korea · 93 kmHigh 28.4°C · Low 21.0°C · 228 mm rain
- Chuncheon in AugustSouth Korea · 101 kmHigh 28.2°C · Low 21.3°C · 256 mm rain
- Yeongju in AugustSouth Korea · 106 kmHigh 28.2°C · Low 21.2°C · 183 mm rain
- Chungju in AugustSouth Korea · 120 kmHigh 28.7°C · Low 21.7°C · 226 mm rain
- Yeoju in AugustSouth Korea · 120 kmHigh 28.8°C · Low 21.5°C · 235 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.