Climate averages 1991–2020
Gangneung weather
in December.
A cold, fairly dry month: the 10th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cold month in Gangneung: daytime highs average 5.1°C and nights cool to about -1.2°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 36 mm of rain on roughly 5 days, which makes December a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 36 min on an average December day.
The nearest other city in this atlas is Donghae City (31 km away). In December its highs average 5.4°C, about as warm as Gangneung, with 35 mm of rain.
Among the 79 cities listed in South Korea, Gangneung ranks joint 41st of 79 for the warmest December highs and joint 73rd of 79 for the driest December (rainfall, lowest first). The mean December high of those 79 cities is 5.6°C; Gangneung is 0.5°C cooler than that mean.
From December to January, average highs fall by 2.6°C to 2.5°C, and monthly rainfall rises from 36 mm to 44 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Donghae City in DecemberSouth Korea · 31 kmHigh 5.4°C · Low -1.2°C · 35 mm rain
- Sokcho in DecemberSouth Korea · 56 kmHigh 4.0°C · Low -2.5°C · 39 mm rain
- Hongch’ŏn in DecemberSouth Korea · 87 kmHigh 3.1°C · Low -4.8°C · 28 mm rain
- Wŏnju in DecemberSouth Korea · 93 kmHigh 3.3°C · Low -4.7°C · 28 mm rain
- Chuncheon in DecemberSouth Korea · 101 kmHigh 3.0°C · Low -4.5°C · 26 mm rain
- Yeongju in DecemberSouth Korea · 106 kmHigh 4.2°C · Low -3.7°C · 20 mm rain
- Chungju in DecemberSouth Korea · 120 kmHigh 3.8°C · Low -3.8°C · 28 mm rain
- Yeoju in DecemberSouth Korea · 120 kmHigh 3.7°C · Low -4.4°C · 26 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.