Sŏnbong climate — normals and trends
Sŏnbong (North Korea) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 7.1 °C and it receives 717 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is August (21.5 °C on average) and the coldest is January (-8.5 °C). Rainfall peaks in August.
Sŏnbong averages 134 frost days, 0 hot days (≥ 30 °C) and 89 rainy days per year.
Sŏnbong has warmed by +2.5 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.
The number of frost days there went from about 143 to 125 per year over the period.
The hottest day of the period reached 32.9 °C (on 6 July 2025) and the coldest -23.6 °C (on 4 January 1970).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
SŏnbongRason
- coords
- 42.35°, 130.38°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.1°C
Average daily high
10.3°C
Average daily low
4.1°C
Annual rainfall
717mm
Sunshine / day
8.8h
Mean relative humidity
71%
Average peak wind
19.6km/h
Seasonal range
30.0°C
Frost days (< 0 °C)
134 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
89 d/yr
Annual snowfall
56.2 cm
Average feels-like high
8.1 °C
Average feels-like low
1.0 °C
Average peak gust
38.9 km/h
Tropical nights (≥ 20 °C)
19 d/yr
Solar radiation
14.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.64 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
32.9 °C
6 July 2025
Coldest day
-23.6 °C
4 January 1970
Wettest day
211 mm
27 July 1949
Windiest day
63.0 km/h
3 September 2020
Strongest gust
135.0 km/h
3 September 2020
Hottest feels-like
38.2 °C
3 August 1988
Coldest feels-like
-32.5 °C
4 January 1970
Snowiest day
34.7 cm
7 January 2002
Sunniest day
14.8 h
2 July 1960
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -1.3 °C | +3.5 °C | 32 mm | +18 mm |
| Feb | -1.2 °C | +0.8 °C | 4 mm | -11 mm |
| Mar | 4.7 °C | +1.1 °C | 14 mm | -12 mm |
| Apr | 9.5 °C | -0.3 °C | 74 mm | +31 mm |
| May | 15.7 °C | +1.1 °C | 69 mm | +1 mm |
| Jun | 22.2 °C | +4.3 °C | 103 mm | +21 mm |
| Jul | 27.3 °C | +5.3 °C | 135 mm | +3 mm |
| Aug | 27.2 °C | +3.3 °C | 215 mm | +60 mm |
| Sep | 23.4 °C | +2.8 °C | 50 mm | -36 mm |
| Oct | 14.0 °C | -0.5 °C | 52 mm | +7 mm |
| Nov | 8.1 °C | +2.5 °C | 15 mm | -19 mm |
| Dec | -0.6 °C | +1.6 °C | 17 mm | -1 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Sŏnbong?
Sŏnbong has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 7.1 °C and it receives 717 mm of precipitation per year.
What is the hottest day ever recorded in Sŏnbong?
The hottest day measured in Sŏnbong between 1940 and 2025 was 6 July 2025, reaching 32.9 °C.
What is the coldest day in Sŏnbong?
The coldest day measured in Sŏnbong between 1940 and 2025 was 4 January 1970, at -23.6 °C.
Does it snow in Sŏnbong?
Yes. Sŏnbong gets on average 56.2 cm of snow per year and has around 134 frost days.
Has the climate of Sŏnbong warmed?
Yes: Sŏnbong warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sŏnbong?
The wettest day measured in Sŏnbong between 1940 and 2025 was 27 July 1949, with 211 mm of rain in 24 hours.
What was the windiest day in Sŏnbong?
The windiest day measured in Sŏnbong between 1940 and 2025 was 3 September 2020, with winds reaching 63.0 km/h.
What is the warmest month in Sŏnbong?
The warmest month in Sŏnbong is August (21.5 °C on average); the coldest is January (-8.5 °C).
How much does it rain in Sŏnbong?
Sŏnbong receives on average 717 mm of precipitation per year, spread over about 89 rainy days.
Is it sunny in Sŏnbong?
Sŏnbong gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sŏnbong?
The heaviest 24-hour snowfall measured in Sŏnbong between 1940 and 2025 was 7 January 2002, with 34.7 cm.
Are there tropical nights in Sŏnbong?
Yes: Sŏnbong has on average 19 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sŏnbong?
In Sŏnbong, between 1940 and 2025, the highest apparent temperature reached 38.2 °C on 3 August 1988, and the lowest was -32.5 °C on 4 January 1970.
Compare Sŏnbong with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sŏnbong