Ŭndŏk climate — normals and trends
Ŭndŏk (North Korea) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 5.9 °C and it receives 765 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 (21.3 °C on average) and the coldest is January (-11.7 °C). Rainfall peaks in August.
Ŭndŏk averages 162 frost days, 6 hot days (≥ 30 °C) and 97 rainy days per year.
Ŭndŏk 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 169 to 155 per year over the period.
The hottest day of the period reached 36.2 °C (on 17 July 1958) and the coldest -29.3 °C (on 26 January 1941).
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
ŬndŏkNorth Hamgyong
- coords
- 42.52°, 130.33°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.9°C
Average daily high
11.1°C
Average daily low
1.4°C
Annual rainfall
765mm
Sunshine / day
8.8h
Mean relative humidity
69%
Average peak wind
14.8km/h
Seasonal range
33.0°C
Frost days (< 0 °C)
162 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
97 d/yr
Annual snowfall
64.1 cm
Average feels-like high
9.0 °C
Average feels-like low
-1.3 °C
Average peak gust
39.5 km/h
Tropical nights (≥ 20 °C)
13 d/yr
Solar radiation
14.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.68 · 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
36.2 °C
17 July 1958
Coldest day
-29.3 °C
26 January 1941
Wettest day
217 mm
27 July 1949
Windiest day
44.9 km/h
3 September 2020
Strongest gust
136.1 km/h
3 September 2020
Hottest feels-like
41.3 °C
31 July 2018
Coldest feels-like
-35.6 °C
4 January 1970
Snowiest day
43.5 cm
7 January 2002
Sunniest day
14.9 h
30 June 1967
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 | -2.6 °C | +3.7 °C | 31 mm | +20 mm |
| Feb | -1.5 °C | +1.1 °C | 2 mm | -12 mm |
| Mar | 6.4 °C | +1.9 °C | 16 mm | -10 mm |
| Apr | 12.7 °C | -0.1 °C | 83 mm | +37 mm |
| May | 19.5 °C | +1.2 °C | 81 mm | +5 mm |
| Jun | 25.9 °C | +4.8 °C | 110 mm | +18 mm |
| Jul | 29.5 °C | +5.1 °C | 143 mm | -0 mm |
| Aug | 27.7 °C | +2.4 °C | 252 mm | +82 mm |
| Sep | 24.1 °C | +3.0 °C | 52 mm | -39 mm |
| Oct | 13.5 °C | -0.8 °C | 38 mm | -8 mm |
| Nov | 6.7 °C | +2.5 °C | 18 mm | -14 mm |
| Dec | -2.6 °C | +1.5 °C | 12 mm | -4 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 Ŭndŏk?
Ŭndŏk has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 5.9 °C and it receives 765 mm of precipitation per year.
What is the hottest day ever recorded in Ŭndŏk?
The hottest day measured in Ŭndŏk between 1940 and 2025 was 17 July 1958, reaching 36.2 °C.
What is the coldest day in Ŭndŏk?
The coldest day measured in Ŭndŏk between 1940 and 2025 was 26 January 1941, at -29.3 °C.
Does it snow in Ŭndŏk?
Yes. Ŭndŏk gets on average 64.1 cm of snow per year and has around 162 frost days.
Has the climate of Ŭndŏk warmed?
Yes: Ŭndŏk warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ŭndŏk?
The wettest day measured in Ŭndŏk between 1940 and 2025 was 27 July 1949, with 217 mm of rain in 24 hours.
What was the windiest day in Ŭndŏk?
The windiest day measured in Ŭndŏk between 1940 and 2025 was 3 September 2020, with winds reaching 44.9 km/h.
What is the warmest month in Ŭndŏk?
The warmest month in Ŭndŏk is August (21.3 °C on average); the coldest is January (-11.7 °C).
How much does it rain in Ŭndŏk?
Ŭndŏk receives on average 765 mm of precipitation per year, spread over about 97 rainy days.
Is it sunny in Ŭndŏk?
Ŭndŏk 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 Ŭndŏk?
The heaviest 24-hour snowfall measured in Ŭndŏk between 1940 and 2025 was 7 January 2002, with 43.5 cm.
Are there tropical nights in Ŭndŏk?
Yes: Ŭndŏk has on average 13 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ŭndŏk?
In Ŭndŏk, between 1940 and 2025, the highest apparent temperature reached 41.3 °C on 31 July 2018, and the lowest was -35.6 °C on 4 January 1970.
Compare Ŭndŏk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ŭndŏk