Sinch’ŏn-ŭp climate — normals and trends
Sinch’ŏn-ŭp (North Korea) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 10.9 °C and it receives 989 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 (24.9 °C on average) and the coldest is January (-4.5 °C). Rainfall peaks in July.
Sinch’ŏn-ŭp averages 118 frost days, 18 hot days (≥ 30 °C) and 92 rainy days per year.
Sinch’ŏn-ŭp has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 127 to 109 per year over the period.
The hottest day of the period reached 36.1 °C (on 1 August 2018) and the coldest -22.3 °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
Sinch’ŏn-ŭpSouth Hwanghae
- coords
- 38.35°, 125.48°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.9°C
Average daily high
15.5°C
Average daily low
6.7°C
Annual rainfall
989mm
Sunshine / day
8.9h
Mean relative humidity
73%
Average peak wind
15.6km/h
Seasonal range
29.4°C
Frost days (< 0 °C)
118 d/yr
Hot days (≥ 30 °C)
18 d/yr
Rainy days (≥ 1 mm)
92 d/yr
Annual snowfall
26.9 cm
Average feels-like high
14.3 °C
Average feels-like low
5.0 °C
Average peak gust
35.1 km/h
Tropical nights (≥ 20 °C)
52 d/yr
Solar radiation
15.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.53 · 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
36.1 °C
1 August 2018
Coldest day
-22.3 °C
7 January 1950
Wettest day
199 mm
7 September 1962
Windiest day
58.9 km/h
27 August 2020
Strongest gust
140.4 km/h
27 August 2020
Hottest feels-like
45.1 °C
1 August 2018
Coldest feels-like
-27.1 °C
7 January 1950
Snowiest day
19.7 cm
23 January 1948
Sunniest day
14.2 h
18 June 1974
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 2.3 °C | +2.5 °C | 13 mm | -5 mm |
| Feb | 1.4 °C | -0.9 °C | 9 mm | -10 mm |
| Mar | 11.4 °C | +2.9 °C | 38 mm | +7 mm |
| Apr | 16.2 °C | +0.4 °C | 80 mm | +22 mm |
| May | 20.8 °C | -0.8 °C | 87 mm | +13 mm |
| Jun | 26.7 °C | +1.1 °C | 130 mm | +30 mm |
| Jul | 30.9 °C | +3.1 °C | 69 mm | -183 mm |
| Aug | 31.0 °C | +2.5 °C | 145 mm | -67 mm |
| Sep | 26.5 °C | +2.0 °C | 222 mm | +106 mm |
| Oct | 18.8 °C | +0.5 °C | 126 mm | +82 mm |
| Nov | 12.5 °C | +2.3 °C | 18 mm | -24 mm |
| Dec | 3.5 °C | +0.9 °C | 23 mm | 0 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 Sinch’ŏn-ŭp?
Sinch’ŏn-ŭp has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 10.9 °C and it receives 989 mm of precipitation per year.
What is the hottest day ever recorded in Sinch’ŏn-ŭp?
The hottest day measured in Sinch’ŏn-ŭp between 1940 and 2025 was 1 August 2018, reaching 36.1 °C.
What is the coldest day in Sinch’ŏn-ŭp?
The coldest day measured in Sinch’ŏn-ŭp between 1940 and 2025 was 7 January 1950, at -22.3 °C.
Does it snow in Sinch’ŏn-ŭp?
Yes. Sinch’ŏn-ŭp gets on average 26.9 cm of snow per year and has around 118 frost days.
Has the climate of Sinch’ŏn-ŭp warmed?
Yes: Sinch’ŏn-ŭp warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sinch’ŏn-ŭp?
The wettest day measured in Sinch’ŏn-ŭp between 1940 and 2025 was 7 September 1962, with 199 mm of rain in 24 hours.
What was the windiest day in Sinch’ŏn-ŭp?
The windiest day measured in Sinch’ŏn-ŭp between 1940 and 2025 was 27 August 2020, with winds reaching 58.9 km/h.
What is the warmest month in Sinch’ŏn-ŭp?
The warmest month in Sinch’ŏn-ŭp is August (24.9 °C on average); the coldest is January (-4.5 °C).
How much does it rain in Sinch’ŏn-ŭp?
Sinch’ŏn-ŭp receives on average 989 mm of precipitation per year, spread over about 92 rainy days.
Is it sunny in Sinch’ŏn-ŭp?
Sinch’ŏn-ŭp gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sinch’ŏn-ŭp?
The heaviest 24-hour snowfall measured in Sinch’ŏn-ŭp between 1940 and 2025 was 23 January 1948, with 19.7 cm.
Are there tropical nights in Sinch’ŏn-ŭp?
Yes: Sinch’ŏn-ŭp has on average 52 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sinch’ŏn-ŭp?
In Sinch’ŏn-ŭp, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 1 August 2018, and the lowest was -27.1 °C on 7 January 1950.
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Nearby cities
The climate around Sinch’ŏn-ŭp