Goseong climate — normals and trends
Goseong (South Korea) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.2 °C and it receives 1,208 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 (26.6 °C on average) and the coldest is January (0.9 °C). Rainfall peaks in July.
Goseong averages 59 frost days, 21 hot days (≥ 30 °C) and 93 rainy days per year.
Goseong has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 72 to 46 per year over the period.
The hottest day of the period reached 36.6 °C (on 7 August 2017) and the coldest -14.3 °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
GoseongGyeongsangnam-do
- coords
- 34.98°, 128.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.2°C
Average daily high
17.7°C
Average daily low
11.2°C
Annual rainfall
1,208mm
Sunshine / day
8.9h
Mean relative humidity
73%
Average peak wind
15.4km/h
Seasonal range
25.7°C
Frost days (< 0 °C)
59 d/yr
Hot days (≥ 30 °C)
21 d/yr
Rainy days (≥ 1 mm)
93 d/yr
Annual snowfall
5.0 cm
Average feels-like high
17.3 °C
Average feels-like low
10.2 °C
Average peak gust
34.8 km/h
Tropical nights (≥ 20 °C)
87 d/yr
Solar radiation
15.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.67 · 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
36.6 °C
7 August 2017
Coldest day
-14.3 °C
6 February 1969
Wettest day
200 mm
20 August 1972
Windiest day
75.8 km/h
31 August 1987
Strongest gust
175.3 km/h
31 August 1987
Hottest feels-like
43.9 °C
3 August 2024
Coldest feels-like
-19.5 °C
6 February 1969
Snowiest day
19.2 cm
11 February 1994
Sunniest day
13.8 h
25 June 1958
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 | 6.9 °C | +1.6 °C | 8 mm | -19 mm |
| Feb | 6.2 °C | -1.0 °C | 33 mm | -7 mm |
| Mar | 13.3 °C | +1.5 °C | 66 mm | -1 mm |
| Apr | 18.3 °C | +1.0 °C | 51 mm | -56 mm |
| May | 21.2 °C | -0.6 °C | 171 mm | +59 mm |
| Jun | 26.4 °C | +1.9 °C | 147 mm | -27 mm |
| Jul | 30.8 °C | +3.0 °C | 106 mm | -119 mm |
| Aug | 31.3 °C | +2.1 °C | 215 mm | +41 mm |
| Sep | 28.0 °C | +2.6 °C | 140 mm | -16 mm |
| Oct | 22.3 °C | +2.0 °C | 117 mm | +58 mm |
| Nov | 15.6 °C | +1.7 °C | 20 mm | -26 mm |
| Dec | 9.6 °C | +1.9 °C | 13 mm | -10 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 Goseong?
Goseong has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.2 °C and it receives 1,208 mm of precipitation per year.
What is the hottest day ever recorded in Goseong?
The hottest day measured in Goseong between 1940 and 2025 was 7 August 2017, reaching 36.6 °C.
What is the coldest day in Goseong?
The coldest day measured in Goseong between 1940 and 2025 was 6 February 1969, at -14.3 °C.
Does it snow in Goseong?
Yes. Goseong gets on average 5.0 cm of snow per year and has around 59 frost days.
Has the climate of Goseong warmed?
Yes: Goseong warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Goseong?
The wettest day measured in Goseong between 1940 and 2025 was 20 August 1972, with 200 mm of rain in 24 hours.
What was the windiest day in Goseong?
The windiest day measured in Goseong between 1940 and 2025 was 31 August 1987, with winds reaching 75.8 km/h.
What is the warmest month in Goseong?
The warmest month in Goseong is August (26.6 °C on average); the coldest is January (0.9 °C).
How much does it rain in Goseong?
Goseong receives on average 1,208 mm of precipitation per year, spread over about 93 rainy days.
Is it sunny in Goseong?
Goseong 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 Goseong?
The heaviest 24-hour snowfall measured in Goseong between 1940 and 2025 was 11 February 1994, with 19.2 cm.
Are there tropical nights in Goseong?
Yes: Goseong has on average 87 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Goseong?
In Goseong, between 1940 and 2025, the highest apparent temperature reached 43.9 °C on 3 August 2024, and the lowest was -19.5 °C on 6 February 1969.
Compare Goseong with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Goseong