Tanch’ŏn weather by month
Warmest month
August
26°C average high
Coolest month
January
-5°C average low
Wettest month
July
119 mm of rain
Driest month
January
0 mm of rain
Average temperature and rainfall in Tanch’ŏn by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 1°C | -5°C | -17°C / 10°C | 0 mm | 80% | 14 km/h |
| February | 2°C | -4°C | -13°C / 9°C | 7 mm | 78% | 16 km/h |
| March | 7°C | 2°C | -5°C / 16°C | 30 mm | 74% | 14 km/h |
| April | 13°C | 7°C | -2°C / 23°C | 29 mm | 69% | 14 km/h |
| May | 19°C | 12°C | 5°C / 34°C | 45 mm | 74% | 14 km/h |
| June | 21°C | 17°C | 12°C / 30°C | 65 mm | 84% | 11 km/h |
| July | 25°C | 21°C | 16°C / 31°C | 119 mm | 88% | 13 km/h |
| August | 26°C | 22°C | 16°C / 32°C | 112 mm | 90% | 12 km/h |
| September | 22°C | 18°C | 13°C / 30°C | 50 mm | 86% | 10 km/h |
| October | 17°C | 12°C | 4°C / 24°C | 30 mm | 80% | 12 km/h |
| November | 11°C | 6°C | -4°C / 19°C | 36 mm | 76% | 17 km/h |
| December | 2°C | -3°C | -19°C / 11°C | 7 mm | 77% | 18 km/h |
Frost and snow-likely months in Tanch’ŏn
Nights in Tanch’ŏn average 2°C or below in 4 months (January, February, March and December). No month combines freezing average lows with 10 mm or more of precipitation, so snow is uncommon. The coldest month is January with an average low of -5°C and a record low of -17°C.
- January: average low -5°C, record low -17°C, 0 mm of precipitation
- February: average low -4°C, record low -13°C, 7 mm of precipitation
- March: average low 2°C, record low -5°C, 30 mm of precipitation
- December: average low -3°C, record low -19°C, 7 mm of precipitation
These records carry temperature and precipitation, not snowfall totals.
Best time to visit Tanch’ŏn
The most comfortable time to visit Tanch’ŏn is generally May to June and September, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around July, totalling about 529 mm a year.
Travellers who prefer heat should aim for August, when highs average 26°C. July is the month to avoid if rain would spoil your plans — it averages 119 mm, roughly 119× the rainfall of the driest month (January).
Tanch’ŏn climate: your questions
Does it snow in Tanch’ŏn?
Rarely: nights dip to 2°C or below only in January, February, March and December, and the coldest month, January, averages a low of -5°C (record low -17°C), so snow is uncommon. Our records carry temperature and precipitation, not snowfall totals. What is falling now: Tanch’ŏn weather today.
Does it get cold in Tanch’ŏn?
Tanch’ŏn's winter months average lows of -3°C in December, -5°C in January and -4°C in February, with about 14 mm of precipitation across the three; 3 of them sit at or below 0°C, so snow is likely on the colder days. The records hold no snowfall totals. The next 15 days: Tanch’ŏn 10-day forecast.
Which months are best for visiting Tanch’ŏn?
June to July and September are the most comfortable months in Tanch’ŏn, with highs near 23°C. August is the warmest month, averaging 26°C by day; July is the wettest, with 119 mm; and January is the coolest, with lows near -5°C. What it is doing today: Tanch’ŏn weather today.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Tanch’ŏn forecast for what is happening now.
