Climate averages 1991–2020
Wŏnsan weather
in January.
A cold month with light precipitation: the coolest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cold month in Wŏnsan: daytime highs average 0.5°C and nights cool to about -7.7°C. By daytime temperature it is the coolest month of the year.
Expect about 36 mm of precipitation on roughly 5 days, which makes January a month with light precipitation (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 45 min on an average January day.
The nearest other city in this atlas is Hŭngnam (78 km away). In January its highs average 0.1°C, about as warm as Wŏnsan, with 31 mm of precipitation.
Among the 38 cities listed in North Korea, Wŏnsan ranks joint 11th of 38 for the warmest January highs and 35th of 38 for the driest January (precipitation, lowest first). The mean January high of those 38 cities is -1.0°C; Wŏnsan is 1.5°C warmer than that mean.
From January to February, average highs rise by 2.6°C to 3.1°C, and monthly precipitation falls from 36 mm to 34 mm.
The annual picture
January in context
Monthly precipitation
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
Wŏnsan climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 0.5°C-7.7°C | -7.7°C | 36 | 5.2 | 9.810 h |
| February | 3.1°C-5.5°C | -5.5°C | 34 | 4.7 | 10.711 h |
| March | 8.3°C-0.5°C | -0.5°C | 42 | 6.4 | 11.912 h |
| April | 14.9°C5.2°C | 5.2°C | 65 | 7.2 | 13.213 h |
| May | 20.3°C11.2°C | 11.2°C | 104 | 8.3 | 14.314 h |
| June | 23.9°C16.3°C | 16.3°C | 116 | 10.0 | 14.915 h |
| July | 26.3°C20.6°C | 20.6°C | 253 | 14.6 | 14.615 h |
| August | 26.6°C21.2°C | 21.2°C | 255 | 15.5 | 13.714 h |
| September | 22.7°C16.3°C | 16.3°C | 151 | 9.9 | 12.512 h |
| October | 17.4°C9.8°C | 9.8°C | 77 | 7.9 | 11.211 h |
| November | 9.7°C2.8°C | 2.8°C | 84 | 8.1 | 10.110 h |
| December | 2.8°C-4.4°C | -4.4°C | 42 | 5.2 | 9.59 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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
January in nearby cities
- Hŭngnam in JanuaryNorth Korea · 78 kmHigh 0.1°C · Low -7.5°C · 31 mm precipitation
- Hamhŭng in JanuaryNorth Korea · 85 kmHigh -0.7°C · Low -10.8°C · 40 mm precipitation
- Hongwŏn in JanuaryNorth Korea · 106 kmHigh -0.2°C · Low -9.2°C · 30 mm precipitation
- Sinp’o in JanuaryNorth Korea · 118 kmHigh -0.4°C · Low -7.1°C · 33 mm precipitation
- Tŏkch’ŏn in JanuaryNorth Korea · 122 kmHigh -2.5°C · Low -14.0°C · 18 mm precipitation
- Sunch’ŏn in JanuaryNorth Korea · 134 kmHigh -1.5°C · Low -11.2°C · 14 mm precipitation
- P’yŏngsŏng in JanuaryNorth Korea · 136 kmHigh -0.9°C · Low -10.2°C · 13 mm precipitation
- Chuncheon in JanuarySouth Korea · 144 kmHigh 1.0°C · Low -7.6°C · 21 mm precipitation
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 Wŏnsan) is explained once on the Wŏnsan year overview and on the Sources, method and limits page.