Kusŏng-si climate — normals and trends
Kusŏng-si (North Korea) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 8.2 °C and it receives 1,355 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 (23.1 °C on average) and the coldest is January (-9.5 °C). Rainfall peaks in July.
Kusŏng-si averages 143 frost days, 8 hot days (≥ 30 °C) and 112 rainy days per year.
Kusŏng-si has warmed by +2.7 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The number of frost days there went from about 154 to 132 per year over the period.
The hottest day of the period reached 37.1 °C (on 1 August 2018) and the coldest -29.2 °C (on 7 January 1950).
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
Kusŏng-siP'yŏngan-bukto
- coords
- 39.98°, 125.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.2°C
Average daily high
13.1°C
Average daily low
3.7°C
Annual rainfall
1,355mm
Sunshine / day
8.8h
Mean relative humidity
71%
Average peak wind
14.2km/h
Seasonal range
32.6°C
Frost days (< 0 °C)
143 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
112 d/yr
Annual snowfall
57.2 cm
Average feels-like high
11.6 °C
Average feels-like low
1.4 °C
Average peak gust
34.1 km/h
Tropical nights (≥ 20 °C)
31 d/yr
Solar radiation
14.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °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
37.1 °C
1 August 2018
Coldest day
-29.2 °C
7 January 1950
Wettest day
236 mm
13 July 1950
Windiest day
41.7 km/h
16 August 1994
Strongest gust
109.4 km/h
16 August 1994
Hottest feels-like
45.5 °C
1 August 2018
Coldest feels-like
-35.2 °C
4 January 1970
Snowiest day
21.3 cm
2 March 1971
Sunniest day
14.4 h
10 June 1955
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 | -0.6 °C | +3.4 °C | 19 mm | +2 mm |
| Feb | -0.4 °C | -0.1 °C | 9 mm | -13 mm |
| Mar | 9.5 °C | +3.1 °C | 12 mm | -25 mm |
| Apr | 15.5 °C | +1.2 °C | 108 mm | +33 mm |
| May | 20.5 °C | +0.6 °C | 95 mm | -6 mm |
| Jun | 26.0 °C | +2.2 °C | 198 mm | +49 mm |
| Jul | 29.1 °C | +2.7 °C | 328 mm | -48 mm |
| Aug | 28.0 °C | +1.0 °C | 416 mm | +116 mm |
| Sep | 25.8 °C | +2.9 °C | 134 mm | +16 mm |
| Oct | 16.8 °C | +0.8 °C | 131 mm | +59 mm |
| Nov | 9.1 °C | +2.5 °C | 36 mm | -26 mm |
| Dec | -0.4 °C | +1.3 °C | 21 mm | -5 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 Kusŏng-si?
Kusŏng-si has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 8.2 °C and it receives 1,355 mm of precipitation per year.
What is the hottest day ever recorded in Kusŏng-si?
The hottest day measured in Kusŏng-si between 1940 and 2025 was 1 August 2018, reaching 37.1 °C.
What is the coldest day in Kusŏng-si?
The coldest day measured in Kusŏng-si between 1940 and 2025 was 7 January 1950, at -29.2 °C.
Does it snow in Kusŏng-si?
Yes. Kusŏng-si gets on average 57.2 cm of snow per year and has around 143 frost days.
Has the climate of Kusŏng-si warmed?
Yes: Kusŏng-si warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kusŏng-si?
The wettest day measured in Kusŏng-si between 1940 and 2025 was 13 July 1950, with 236 mm of rain in 24 hours.
What was the windiest day in Kusŏng-si?
The windiest day measured in Kusŏng-si between 1940 and 2025 was 16 August 1994, with winds reaching 41.7 km/h.
What is the warmest month in Kusŏng-si?
The warmest month in Kusŏng-si is August (23.1 °C on average); the coldest is January (-9.5 °C).
How much does it rain in Kusŏng-si?
Kusŏng-si receives on average 1,355 mm of precipitation per year, spread over about 112 rainy days.
Is it sunny in Kusŏng-si?
Kusŏng-si 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 Kusŏng-si?
The heaviest 24-hour snowfall measured in Kusŏng-si between 1940 and 2025 was 2 March 1971, with 21.3 cm.
Are there tropical nights in Kusŏng-si?
Yes: Kusŏng-si has on average 31 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kusŏng-si?
In Kusŏng-si, between 1940 and 2025, the highest apparent temperature reached 45.5 °C on 1 August 2018, and the lowest was -35.2 °C on 4 January 1970.
Compare Kusŏng-si with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kusŏng-si