Chongjin climate — normals and trends
Chongjin (North Korea) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.2 °C and it receives 1,081 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 (21.4 °C on average) and the coldest is January (-7.8 °C). Rainfall peaks in August.
Chongjin averages 135 frost days, 0 hot days (≥ 30 °C) and 142 rainy days per year.
Chongjin 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 145 to 125 per year over the period.
The hottest day of the period reached 31.0 °C (on 6 July 2025) and the coldest -23.2 °C (on 19 January 1966).
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
ChongjinNorth Hamgyong
- coords
- 41.80°, 129.78°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.2°C
Average daily high
10.1°C
Average daily low
4.4°C
Annual rainfall
1,081mm
Sunshine / day
8.3h
Mean relative humidity
75%
Average peak wind
14.8km/h
Seasonal range
29.2°C
Frost days (< 0 °C)
135 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
142 d/yr
Annual snowfall
134.3 cm
Average feels-like high
8.6 °C
Average feels-like low
1.9 °C
Average peak gust
30.1 km/h
Tropical nights (≥ 20 °C)
20 d/yr
Solar radiation
13.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.62 · 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
31.0 °C
6 July 2025
Coldest day
-23.2 °C
19 January 1966
Wettest day
197 mm
21 August 1957
Windiest day
52.0 km/h
26 November 1947
Strongest gust
111.6 km/h
3 September 2020
Hottest feels-like
37.4 °C
11 August 1984
Coldest feels-like
-30.4 °C
9 January 1940
Snowiest day
30.7 cm
14 January 1948
Sunniest day
14.9 h
30 June 1953
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 | -1.0 °C | +3.4 °C | 83 mm | +46 mm |
| Feb | -1.6 °C | +0.8 °C | 21 mm | -9 mm |
| Mar | 3.9 °C | +1.3 °C | 17 mm | -20 mm |
| Apr | 9.4 °C | +0.3 °C | 101 mm | +50 mm |
| May | 15.3 °C | +1.0 °C | 78 mm | -9 mm |
| Jun | 21.7 °C | +4.1 °C | 151 mm | +38 mm |
| Jul | 26.3 °C | +4.7 °C | 170 mm | -18 mm |
| Aug | 26.2 °C | +2.8 °C | 274 mm | +45 mm |
| Sep | 22.6 °C | +2.7 °C | 65 mm | -58 mm |
| Oct | 14.0 °C | -0.2 °C | 85 mm | +20 mm |
| Nov | 8.5 °C | +2.3 °C | 29 mm | -34 mm |
| Dec | 0.2 °C | +1.2 °C | 54 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 Chongjin?
Chongjin has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.2 °C and it receives 1,081 mm of precipitation per year.
What is the hottest day ever recorded in Chongjin?
The hottest day measured in Chongjin between 1940 and 2025 was 6 July 2025, reaching 31.0 °C.
What is the coldest day in Chongjin?
The coldest day measured in Chongjin between 1940 and 2025 was 19 January 1966, at -23.2 °C.
Does it snow in Chongjin?
Yes. Chongjin gets on average 134.3 cm of snow per year and has around 135 frost days.
Has the climate of Chongjin warmed?
Yes: Chongjin warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chongjin?
The wettest day measured in Chongjin between 1940 and 2025 was 21 August 1957, with 197 mm of rain in 24 hours.
What was the windiest day in Chongjin?
The windiest day measured in Chongjin between 1940 and 2025 was 26 November 1947, with winds reaching 52.0 km/h.
What is the warmest month in Chongjin?
The warmest month in Chongjin is August (21.4 °C on average); the coldest is January (-7.8 °C).
How much does it rain in Chongjin?
Chongjin receives on average 1,081 mm of precipitation per year, spread over about 142 rainy days.
Is it sunny in Chongjin?
Chongjin gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.
What is the biggest single-day snowfall in Chongjin?
The heaviest 24-hour snowfall measured in Chongjin between 1940 and 2025 was 14 January 1948, with 30.7 cm.
Are there tropical nights in Chongjin?
Yes: Chongjin has on average 20 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chongjin?
In Chongjin, between 1940 and 2025, the highest apparent temperature reached 37.4 °C on 11 August 1984, and the lowest was -30.4 °C on 9 January 1940.
Compare Chongjin with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chongjin