Changnyeong climate — normals and trends
Changnyeong (South Korea) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 13.1 °C and it receives 1,086 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 (25.9 °C on average) and the coldest is January (-0.3 °C). Rainfall peaks in July.
Changnyeong averages 101 frost days, 44 hot days (≥ 30 °C) and 90 rainy days per year.
Changnyeong has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The number of frost days there went from about 118 to 84 per year over the period.
The hottest day of the period reached 39.8 °C (on 31 July 2004) and the coldest -20.9 °C (on 6 February 1969).
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
ChangnyeongGyeongsangnam-do
- coords
- 35.54°, 128.50°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.1°C
Average daily high
18.8°C
Average daily low
8.2°C
Annual rainfall
1,086mm
Sunshine / day
8.6h
Mean relative humidity
68%
Average peak wind
12.6km/h
Seasonal range
26.2°C
Frost days (< 0 °C)
101 d/yr
Hot days (≥ 30 °C)
44 d/yr
Rainy days (≥ 1 mm)
90 d/yr
Annual snowfall
9.1 cm
Average feels-like high
17.9 °C
Average feels-like low
7.0 °C
Average peak gust
34.5 km/h
Tropical nights (≥ 20 °C)
60 d/yr
Solar radiation
15.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °C
since 1940
+0.3 °C per decade · r² = 0.76 · 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
39.8 °C
31 July 2004
Coldest day
-20.9 °C
6 February 1969
Wettest day
211 mm
26 September 1944
Windiest day
55.6 km/h
31 August 1987
Strongest gust
162.0 km/h
16 July 1987
Hottest feels-like
44.4 °C
7 July 2025
Coldest feels-like
-26.7 °C
6 February 1969
Snowiest day
17.9 cm
9 December 1952
Sunniest day
14.0 h
23 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 | 7.1 °C | +1.8 °C | 7 mm | -16 mm |
| Feb | 7.1 °C | -0.6 °C | 22 mm | -11 mm |
| Mar | 15.6 °C | +2.6 °C | 57 mm | -2 mm |
| Apr | 22.0 °C | +2.7 °C | 55 mm | -35 mm |
| May | 23.7 °C | -0.6 °C | 118 mm | +24 mm |
| Jun | 29.5 °C | +2.3 °C | 178 mm | +31 mm |
| Jul | 33.5 °C | +4.1 °C | 166 mm | -52 mm |
| Aug | 33.6 °C | +3.2 °C | 170 mm | +8 mm |
| Sep | 28.8 °C | +2.8 °C | 131 mm | -16 mm |
| Oct | 21.8 °C | +0.9 °C | 119 mm | +67 mm |
| Nov | 16.1 °C | +2.0 °C | 20 mm | -21 mm |
| Dec | 9.5 °C | +2.0 °C | 15 mm | -6 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 Changnyeong?
Changnyeong has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 13.1 °C and it receives 1,086 mm of precipitation per year.
What is the hottest day ever recorded in Changnyeong?
The hottest day measured in Changnyeong between 1940 and 2025 was 31 July 2004, reaching 39.8 °C.
What is the coldest day in Changnyeong?
The coldest day measured in Changnyeong between 1940 and 2025 was 6 February 1969, at -20.9 °C.
Does it snow in Changnyeong?
Yes. Changnyeong gets on average 9.1 cm of snow per year and has around 101 frost days.
Has the climate of Changnyeong warmed?
Yes: Changnyeong warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Changnyeong?
The wettest day measured in Changnyeong between 1940 and 2025 was 26 September 1944, with 211 mm of rain in 24 hours.
What was the windiest day in Changnyeong?
The windiest day measured in Changnyeong between 1940 and 2025 was 31 August 1987, with winds reaching 55.6 km/h.
What is the warmest month in Changnyeong?
The warmest month in Changnyeong is August (25.9 °C on average); the coldest is January (-0.3 °C).
How much does it rain in Changnyeong?
Changnyeong receives on average 1,086 mm of precipitation per year, spread over about 90 rainy days.
Is it sunny in Changnyeong?
Changnyeong gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.
What is the biggest single-day snowfall in Changnyeong?
The heaviest 24-hour snowfall measured in Changnyeong between 1940 and 2025 was 9 December 1952, with 17.9 cm.
Are there tropical nights in Changnyeong?
Yes: Changnyeong has on average 60 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Changnyeong?
In Changnyeong, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 7 July 2025, and the lowest was -26.7 °C on 6 February 1969.
Compare Changnyeong with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Changnyeong