Hŭngnam climate — normals and trends
Hŭngnam (North Korea) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 10.3 °C and it receives 1,017 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 (23.4 °C on average) and the coldest is January (-2.7 °C). Rainfall peaks in July.
Hŭngnam averages 85 frost days, 0 hot days (≥ 30 °C) and 95 rainy days per year.
Hŭngnam 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 111 to 59 per year over the period.
The hottest day of the period reached 32.7 °C (on 4 August 2018) and the coldest -17.7 °C (on 5 January 1959).
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
HŭngnamSouth Hamgyong
- coords
- 39.84°, 127.63°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.3°C
Average daily high
12.2°C
Average daily low
8.6°C
Annual rainfall
1,017mm
Sunshine / day
9.0h
Mean relative humidity
76%
Average peak wind
23.7km/h
Seasonal range
26.1°C
Frost days (< 0 °C)
85 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
95 d/yr
Annual snowfall
61.3 cm
Average feels-like high
10.2 °C
Average feels-like low
5.8 °C
Average peak gust
33.2 km/h
Tropical nights (≥ 20 °C)
57 d/yr
Solar radiation
14.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.58 · 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
32.7 °C
4 August 2018
Coldest day
-17.7 °C
5 January 1959
Wettest day
139 mm
17 August 1979
Windiest day
72.8 km/h
28 August 1986
Strongest gust
112.0 km/h
3 August 1999
Hottest feels-like
38.6 °C
5 August 2018
Coldest feels-like
-24.8 °C
16 January 1958
Snowiest day
28.8 cm
10 April 1957
Sunniest day
14.8 h
23 June 1960
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 | 2.3 °C | +2.4 °C | 29 mm | -0 mm |
| Feb | 2.8 °C | +1.7 °C | 2 mm | -25 mm |
| Mar | 6.2 °C | +2.0 °C | 57 mm | +21 mm |
| Apr | 10.1 °C | +0.7 °C | 78 mm | +20 mm |
| May | 14.9 °C | -0.1 °C | 82 mm | +6 mm |
| Jun | 21.8 °C | +3.0 °C | 145 mm | +51 mm |
| Jul | 26.7 °C | +3.7 °C | 119 mm | -92 mm |
| Aug | 27.7 °C | +3.2 °C | 122 mm | -87 mm |
| Sep | 23.7 °C | +2.4 °C | 208 mm | +87 mm |
| Oct | 16.9 °C | +0.5 °C | 213 mm | +152 mm |
| Nov | 11.5 °C | +1.8 °C | 30 mm | -32 mm |
| Dec | 3.9 °C | +0.9 °C | 36 mm | +1 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 Hŭngnam?
Hŭngnam has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 10.3 °C and it receives 1,017 mm of precipitation per year.
What is the hottest day ever recorded in Hŭngnam?
The hottest day measured in Hŭngnam between 1940 and 2025 was 4 August 2018, reaching 32.7 °C.
What is the coldest day in Hŭngnam?
The coldest day measured in Hŭngnam between 1940 and 2025 was 5 January 1959, at -17.7 °C.
Does it snow in Hŭngnam?
Yes. Hŭngnam gets on average 61.3 cm of snow per year and has around 85 frost days.
Has the climate of Hŭngnam warmed?
Yes: Hŭngnam warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hŭngnam?
The wettest day measured in Hŭngnam between 1940 and 2025 was 17 August 1979, with 139 mm of rain in 24 hours.
What was the windiest day in Hŭngnam?
The windiest day measured in Hŭngnam between 1940 and 2025 was 28 August 1986, with winds reaching 72.8 km/h.
What is the warmest month in Hŭngnam?
The warmest month in Hŭngnam is August (23.4 °C on average); the coldest is January (-2.7 °C).
How much does it rain in Hŭngnam?
Hŭngnam receives on average 1,017 mm of precipitation per year, spread over about 95 rainy days.
Is it sunny in Hŭngnam?
Hŭngnam gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
What is the biggest single-day snowfall in Hŭngnam?
The heaviest 24-hour snowfall measured in Hŭngnam between 1940 and 2025 was 10 April 1957, with 28.8 cm.
Are there tropical nights in Hŭngnam?
Yes: Hŭngnam has on average 57 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Hŭngnam?
In Hŭngnam, between 1940 and 2025, the highest apparent temperature reached 38.6 °C on 5 August 2018, and the lowest was -24.8 °C on 16 January 1958.
Compare Hŭngnam with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hŭngnam