Musan-ŭp climate — normals and trends
Musan-ŭp (North Korea) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 3.5 °C and it receives 695 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 (19.4 °C on average) and the coldest is January (-14.9 °C). Rainfall peaks in July.
Musan-ŭp averages 185 frost days, 3 hot days (≥ 30 °C) and 106 rainy days per year.
Musan-ŭp has warmed by +2.4 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.
The number of frost days there went from about 193 to 177 per year over the period.
The hottest day of the period reached 35.0 °C (on 3 August 2018) and the coldest -37.5 °C (on 4 January 1970).
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
Musan-ŭpNorth Hamgyong
- coords
- 42.23°, 129.21°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.5°C
Average daily high
9.3°C
Average daily low
-1.7°C
Annual rainfall
695mm
Sunshine / day
9.1h
Mean relative humidity
69%
Average peak wind
14.0km/h
Seasonal range
34.3°C
Frost days (< 0 °C)
185 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
106 d/yr
Annual snowfall
82.0 cm
Average feels-like high
6.6 °C
Average feels-like low
-4.9 °C
Average peak gust
41.7 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
14.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.60 · 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
35.0 °C
3 August 2018
Coldest day
-37.5 °C
4 January 1970
Wettest day
137 mm
15 July 1995
Windiest day
38.8 km/h
5 May 1963
Strongest gust
117.7 km/h
13 April 2010
Hottest feels-like
39.1 °C
3 August 2018
Coldest feels-like
-43.1 °C
4 January 1970
Snowiest day
34.7 cm
13 April 2025
Sunniest day
15.0 h
19 June 1942
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 | -5.3 °C | +3.3 °C | 29 mm | +20 mm |
| Feb | -5.5 °C | -0.3 °C | 3 mm | -10 mm |
| Mar | 4.2 °C | +2.4 °C | 20 mm | -8 mm |
| Apr | 11.5 °C | +0.4 °C | 116 mm | +65 mm |
| May | 18.2 °C | +0.7 °C | 98 mm | +14 mm |
| Jun | 24.5 °C | +3.6 °C | 92 mm | -8 mm |
| Jul | 28.3 °C | +4.3 °C | 105 mm | -30 mm |
| Aug | 25.4 °C | +1.5 °C | 229 mm | +95 mm |
| Sep | 22.0 °C | +2.9 °C | 55 mm | -11 mm |
| Oct | 11.3 °C | -0.6 °C | 40 mm | +3 mm |
| Nov | 4.6 °C | +2.7 °C | 16 mm | -10 mm |
| Dec | -5.4 °C | +0.9 °C | 11 mm | -2 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 Musan-ŭp?
Musan-ŭp has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 3.5 °C and it receives 695 mm of precipitation per year.
What is the hottest day ever recorded in Musan-ŭp?
The hottest day measured in Musan-ŭp between 1940 and 2025 was 3 August 2018, reaching 35.0 °C.
What is the coldest day in Musan-ŭp?
The coldest day measured in Musan-ŭp between 1940 and 2025 was 4 January 1970, at -37.5 °C.
Does it snow in Musan-ŭp?
Yes. Musan-ŭp gets on average 82.0 cm of snow per year and has around 185 frost days.
Has the climate of Musan-ŭp warmed?
Yes: Musan-ŭp warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Musan-ŭp?
The wettest day measured in Musan-ŭp between 1940 and 2025 was 15 July 1995, with 137 mm of rain in 24 hours.
What was the windiest day in Musan-ŭp?
The windiest day measured in Musan-ŭp between 1940 and 2025 was 5 May 1963, with winds reaching 38.8 km/h.
What is the warmest month in Musan-ŭp?
The warmest month in Musan-ŭp is July (19.4 °C on average); the coldest is January (-14.9 °C).
How much does it rain in Musan-ŭp?
Musan-ŭp receives on average 695 mm of precipitation per year, spread over about 106 rainy days.
Is it sunny in Musan-ŭp?
Musan-ŭp gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
What is the biggest single-day snowfall in Musan-ŭp?
The heaviest 24-hour snowfall measured in Musan-ŭp between 1940 and 2025 was 13 April 2025, with 34.7 cm.
Are there tropical nights in Musan-ŭp?
Yes: Musan-ŭp has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Musan-ŭp?
In Musan-ŭp, between 1940 and 2025, the highest apparent temperature reached 39.1 °C on 3 August 2018, and the lowest was -43.1 °C on 4 January 1970.
Compare Musan-ŭp with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Musan-ŭp