Wonsan weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: April – June, September – October
What is the weather like in Wonsan in January?
In January, Wonsan is freezing cold: daytime highs average 0 °C, and nights often drop below freezing (−8 °C). The sea averages 4.8 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Precipitation, often as snow, falls on about 5 days, totalling 29 mm. Snow falls on about 4 days. All in all, January is not an ideal month for a holiday in Wonsan.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 39 | 39 | 39 |
| Day | 2° | 0° | 3° |
| Night | −5° | −8° | −6° |
| Sea | 8° | 5° | 4° |
| Sun | 6 h | 6 h | 7 h |
| Rain days | 4 | 5 | 5 |
More details for January
- Daylight
- 9 h 42 min07:48 – 17:30
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 36 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 4 days1 cm or more of fresh snowAll months
- Time zone
- UTC+9Asia/Pyongyang
How the score comes together
- Temperatureweight 50 %0 %
- Sunshineweight 20 %52 %
- Few rainy daysweight 30 %96 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Warm jacket
- Hat, scarf & gloves
Wonsan in January: quick answers
Is Wonsan hot in January?
No. In January, Wonsan is freezing cold: daytime highs average 0 °C and nights drop to about −8 °C.
Can you swim in Wonsan in January?
Only if you don't mind cold water: in January the sea averages just 4.8 °C. Comfortable swimming is possible from July to September.
Does it rain much in Wonsan in January?
Rain is rare: about 5 days bring 29 mm in total.
Wonsan month by month
The whole year in WonsanAll destinations: North KoreaWhere to go in JanuarySea temperature in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences