Rajin climate — normals and trends
Rajin (North Korea) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 6.5 °C and it receives 747 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 (21.2 °C on average) and the coldest is January (-10.0 °C). Rainfall peaks in August.
Rajin averages 148 frost days, 2 hot days (≥ 30 °C) and 96 rainy days per year.
Rajin has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 156 to 140 per year over the period.
The hottest day of the period reached 34.1 °C (on 17 July 1958) and the coldest -26.7 °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
RajinRason
- coords
- 42.26°, 130.28°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.5°C
Average daily high
10.6°C
Average daily low
2.8°C
Annual rainfall
747mm
Sunshine / day
8.9h
Mean relative humidity
70%
Average peak wind
15.9km/h
Seasonal range
31.2°C
Frost days (< 0 °C)
148 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
96 d/yr
Annual snowfall
63.6 cm
Average feels-like high
8.5 °C
Average feels-like low
-0.1 °C
Average peak gust
38.8 km/h
Tropical nights (≥ 20 °C)
14 d/yr
Solar radiation
14.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.66 · 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
34.1 °C
17 July 1958
Coldest day
-26.7 °C
26 January 1941
Wettest day
209 mm
27 July 1949
Windiest day
52.5 km/h
3 September 2020
Strongest gust
136.4 km/h
3 September 2020
Hottest feels-like
39.1 °C
3 August 1988
Coldest feels-like
-33.7 °C
4 January 1970
Snowiest day
42.6 cm
7 January 2002
Sunniest day
14.9 h
27 June 1945
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 | -1.9 °C | +3.6 °C | 36 mm | +23 mm |
| Feb | -1.7 °C | +0.7 °C | 3 mm | -11 mm |
| Mar | 5.3 °C | +1.5 °C | 15 mm | -12 mm |
| Apr | 10.9 °C | -0.3 °C | 86 mm | +42 mm |
| May | 17.5 °C | +1.1 °C | 72 mm | 0 mm |
| Jun | 24.0 °C | +4.7 °C | 102 mm | +13 mm |
| Jul | 28.1 °C | +5.1 °C | 130 mm | -11 mm |
| Aug | 27.3 °C | +2.8 °C | 226 mm | +62 mm |
| Sep | 23.6 °C | +2.9 °C | 49 mm | -39 mm |
| Oct | 13.6 °C | -0.7 °C | 48 mm | +3 mm |
| Nov | 7.5 °C | +2.5 °C | 17 mm | -16 mm |
| Dec | -1.5 °C | +1.4 °C | 15 mm | -3 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 Rajin?
Rajin has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 6.5 °C and it receives 747 mm of precipitation per year.
What is the hottest day ever recorded in Rajin?
The hottest day measured in Rajin between 1940 and 2025 was 17 July 1958, reaching 34.1 °C.
What is the coldest day in Rajin?
The coldest day measured in Rajin between 1940 and 2025 was 26 January 1941, at -26.7 °C.
Does it snow in Rajin?
Yes. Rajin gets on average 63.6 cm of snow per year and has around 148 frost days.
Has the climate of Rajin warmed?
Yes: Rajin warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rajin?
The wettest day measured in Rajin between 1940 and 2025 was 27 July 1949, with 209 mm of rain in 24 hours.
What was the windiest day in Rajin?
The windiest day measured in Rajin between 1940 and 2025 was 3 September 2020, with winds reaching 52.5 km/h.
What is the warmest month in Rajin?
The warmest month in Rajin is August (21.2 °C on average); the coldest is January (-10.0 °C).
How much does it rain in Rajin?
Rajin receives on average 747 mm of precipitation per year, spread over about 96 rainy days.
Is it sunny in Rajin?
Rajin 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 Rajin?
The heaviest 24-hour snowfall measured in Rajin between 1940 and 2025 was 7 January 2002, with 42.6 cm.
Are there tropical nights in Rajin?
Yes: Rajin has on average 14 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Rajin?
In Rajin, between 1940 and 2025, the highest apparent temperature reached 39.1 °C on 3 August 1988, and the lowest was -33.7 °C on 4 January 1970.
Compare Rajin with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Rajin