Climate averages 1991–2020
Seogwipo weather
in December.
A cool, moderately wet month: the 10th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Seogwipo: daytime highs average 10.5°C and nights cool to about 6.2°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 55 mm of rain on roughly 8 days, which makes December a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 00 min on an average December day.
The nearest other city in this atlas is Jeju City (29 km away). In December its highs average 10.5°C, about as warm as Seogwipo, with 68 mm of rain.
Among the 79 cities listed in South Korea, Seogwipo ranks joint 1st of 79 for the warmest December highs and 78th of 79 for the driest December (rainfall, lowest first). The mean December high of those 79 cities is 5.6°C; Seogwipo is 4.8°C warmer than that mean.
From December to January, average highs fall by 2.4°C to 8.1°C, and monthly rainfall rises from 55 mm to 56 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
Seogwipo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.1°C4.1°C | 4.1°C | 56 | 8.3 | 10.210 h |
| February | 9.4°C4.3°C | 4.3°C | 60 | 8.0 | 11.011 h |
| March | 13.0°C6.8°C | 6.8°C | 99 | 9.8 | 12.012 h |
| April | 17.7°C10.9°C | 10.9°C | 121 | 9.0 | 13.013 h |
| May | 22.0°C15.3°C | 15.3°C | 132 | 9.3 | 13.914 h |
| June | 25.1°C19.6°C | 19.6°C | 229 | 13.0 | 14.314 h |
| July | 28.7°C24.3°C | 24.3°C | 227 | 15.9 | 14.114 h |
| August | 29.5°C25.3°C | 25.3°C | 225 | 17.1 | 13.413 h |
| September | 26.0°C21.8°C | 21.8°C | 183 | 12.4 | 12.412 h |
| October | 21.3°C16.7°C | 16.7°C | 86 | 6.5 | 11.411 h |
| November | 16.0°C11.3°C | 11.3°C | 65 | 7.8 | 10.510 h |
| December, selected | 10.5°C6.2°C | 6.2°C | 55 | 8.1 | 10.010 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
- Jeju City in DecemberSouth Korea · 29 kmHigh 10.5°C · Low 6.8°C · 68 mm rain
- Mokpo in DecemberSouth Korea · 174 kmHigh 7.4°C · Low 2.0°C · 36 mm rain
- Muan in DecemberSouth Korea · 193 kmHigh 7.4°C · Low 0.8°C · 26 mm rain
- Yeosu in DecemberSouth Korea · 196 kmHigh 7.9°C · Low 2.1°C · 31 mm rain
- Suncheon in DecemberSouth Korea · 207 kmHigh 7.8°C · Low -0.7°C · 28 mm rain
- Masan in DecemberSouth Korea · 210 kmHigh 7.1°C · Low -1.0°C · 29 mm rain
- Kwangyang in DecemberSouth Korea · 214 kmHigh 7.8°C · Low -0.2°C · 28 mm rain
- Gwangju in DecemberSouth Korea · 214 kmHigh 6.8°C · Low -1.3°C · 30 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 Seogwipo) is explained once on the Seogwipo year overview and on the Sources, method and limits page.