Samjiyŏn-ŭp climate — normals and trends
Samjiyŏn-ŭp (North Korea) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 0.1 °C and it receives 1,038 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 July (17.0 °C on average) and the coldest is January (-18.9 °C). Rainfall peaks in July.
Samjiyŏn-ŭp averages 209 frost days, 0 hot days (≥ 30 °C) and 144 rainy days per year.
Samjiyŏn-ŭp has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 217 to 201 per year over the period.
The hottest day of the period reached 30.6 °C (on 3 August 2018) and the coldest -38.2 °C (on 5 January 1959).
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
Samjiyŏn-ŭpYanggang-do
- coords
- 41.80°, 128.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
0.1°C
Average daily high
5.3°C
Average daily low
-4.9°C
Annual rainfall
1,038mm
Sunshine / day
9.2h
Mean relative humidity
75%
Average peak wind
14.3km/h
Seasonal range
35.9°C
Frost days (< 0 °C)
209 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
144 d/yr
Annual snowfall
159.2 cm
Average feels-like high
2.3 °C
Average feels-like low
-8.1 °C
Average peak gust
36.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
15.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.54 · 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
30.6 °C
3 August 2018
Coldest day
-38.2 °C
5 January 1959
Wettest day
115 mm
15 August 2022
Windiest day
43.4 km/h
12 April 2023
Strongest gust
101.2 km/h
6 May 2017
Hottest feels-like
34.1 °C
26 July 1997
Coldest feels-like
-43.3 °C
5 January 1959
Snowiest day
37.1 cm
13 April 2025
Sunniest day
15.0 h
28 June 1941
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 | -9.9 °C | +3.3 °C | 21 mm | +7 mm |
| Feb | -10.7 °C | -0.9 °C | 7 mm | -13 mm |
| Mar | 0.3 °C | +3.3 °C | 45 mm | +2 mm |
| Apr | 8.1 °C | +2.2 °C | 135 mm | +63 mm |
| May | 14.3 °C | +0.9 °C | 146 mm | +30 mm |
| Jun | 20.4 °C | +2.5 °C | 135 mm | -32 mm |
| Jul | 24.4 °C | +3.1 °C | 156 mm | -68 mm |
| Aug | 21.8 °C | +0.7 °C | 358 mm | +173 mm |
| Sep | 18.4 °C | +2.7 °C | 76 mm | -5 mm |
| Oct | 8.8 °C | +0.8 °C | 73 mm | +22 mm |
| Nov | 0.8 °C | +3.1 °C | 44 mm | -1 mm |
| Dec | -10.3 °C | +0.7 °C | 27 mm | +6 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 Samjiyŏn-ŭp?
Samjiyŏn-ŭp has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 0.1 °C and it receives 1,038 mm of precipitation per year.
What is the hottest day ever recorded in Samjiyŏn-ŭp?
The hottest day measured in Samjiyŏn-ŭp between 1940 and 2025 was 3 August 2018, reaching 30.6 °C.
What is the coldest day in Samjiyŏn-ŭp?
The coldest day measured in Samjiyŏn-ŭp between 1940 and 2025 was 5 January 1959, at -38.2 °C.
Does it snow in Samjiyŏn-ŭp?
Yes. Samjiyŏn-ŭp gets on average 159.2 cm of snow per year and has around 209 frost days.
Has the climate of Samjiyŏn-ŭp warmed?
Yes: Samjiyŏn-ŭp warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Samjiyŏn-ŭp?
The wettest day measured in Samjiyŏn-ŭp between 1940 and 2025 was 15 August 2022, with 115 mm of rain in 24 hours.
What was the windiest day in Samjiyŏn-ŭp?
The windiest day measured in Samjiyŏn-ŭp between 1940 and 2025 was 12 April 2023, with winds reaching 43.4 km/h.
What is the warmest month in Samjiyŏn-ŭp?
The warmest month in Samjiyŏn-ŭp is July (17.0 °C on average); the coldest is January (-18.9 °C).
How much does it rain in Samjiyŏn-ŭp?
Samjiyŏn-ŭp receives on average 1,038 mm of precipitation per year, spread over about 144 rainy days.
Is it sunny in Samjiyŏn-ŭp?
Samjiyŏn-ŭp gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
What is the biggest single-day snowfall in Samjiyŏn-ŭp?
The heaviest 24-hour snowfall measured in Samjiyŏn-ŭp between 1940 and 2025 was 13 April 2025, with 37.1 cm.
Are there tropical nights in Samjiyŏn-ŭp?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Samjiyŏn-ŭp.
What was the most extreme apparent temperature in Samjiyŏn-ŭp?
In Samjiyŏn-ŭp, between 1940 and 2025, the highest apparent temperature reached 34.1 °C on 26 July 1997, and the lowest was -43.3 °C on 5 January 1959.
Compare Samjiyŏn-ŭp with another city
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Nearby cities
The climate around Samjiyŏn-ŭp