Seogwipo climate — normals and trends
Seogwipo (South Korea) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.2 °C and it receives 1,536 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 (26.2 °C on average) and the coldest is January (5.1 °C). Rainfall peaks in June.
Seogwipo averages 6 frost days, 8 hot days (≥ 30 °C) and 134 rainy days per year.
Seogwipo has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 9 to 3 per year over the period.
The hottest day of the period reached 33.7 °C (on 10 August 2013) and the coldest -6.0 °C (on 4 February 1984).
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
SeogwipoJeju-do
- coords
- 33.25°, 126.56°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.2°C
Average daily high
17.5°C
Average daily low
13.1°C
Annual rainfall
1,536mm
Sunshine / day
7.8h
Mean relative humidity
76%
Average peak wind
18.1km/h
Seasonal range
21.1°C
Frost days (< 0 °C)
6 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
134 d/yr
Annual snowfall
12.5 cm
Average feels-like high
17.3 °C
Average feels-like low
11.8 °C
Average peak gust
41.2 km/h
Tropical nights (≥ 20 °C)
91 d/yr
Solar radiation
14.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.56 · 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
33.7 °C
10 August 2013
Coldest day
-6.0 °C
4 February 1984
Wettest day
254 mm
2 September 2020
Windiest day
81.3 km/h
28 August 2012
Strongest gust
200.2 km/h
28 August 2012
Hottest feels-like
42.0 °C
4 August 2024
Coldest feels-like
-13.3 °C
24 January 2016
Snowiest day
11.7 cm
25 February 1945
Sunniest day
13.6 h
23 June 1944
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 | 8.4 °C | +1.3 °C | 34 mm | -21 mm |
| Feb | 7.0 °C | -0.8 °C | 71 mm | +6 mm |
| Mar | 12.7 °C | +1.6 °C | 93 mm | +1 mm |
| Apr | 16.9 °C | +1.3 °C | 70 mm | -57 mm |
| May | 20.1 °C | +0.3 °C | 158 mm | +15 mm |
| Jun | 24.7 °C | +1.5 °C | 191 mm | -60 mm |
| Jul | 29.6 °C | +2.6 °C | 128 mm | -105 mm |
| Aug | 30.5 °C | +2.2 °C | 224 mm | +27 mm |
| Sep | 28.6 °C | +3.6 °C | 171 mm | +1 mm |
| Oct | 23.7 °C | +3.5 °C | 63 mm | -18 mm |
| Nov | 16.6 °C | +1.6 °C | 34 mm | -38 mm |
| Dec | 12.3 °C | +2.5 °C | 13 mm | -36 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 Seogwipo?
Seogwipo has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.2 °C and it receives 1,536 mm of precipitation per year.
What is the hottest day ever recorded in Seogwipo?
The hottest day measured in Seogwipo between 1940 and 2025 was 10 August 2013, reaching 33.7 °C.
What is the coldest day in Seogwipo?
The coldest day measured in Seogwipo between 1940 and 2025 was 4 February 1984, at -6.0 °C.
Does it snow in Seogwipo?
Yes. Seogwipo gets on average 12.5 cm of snow per year and has around 6 frost days.
Has the climate of Seogwipo warmed?
Yes: Seogwipo warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Seogwipo?
The wettest day measured in Seogwipo between 1940 and 2025 was 2 September 2020, with 254 mm of rain in 24 hours.
What was the windiest day in Seogwipo?
The windiest day measured in Seogwipo between 1940 and 2025 was 28 August 2012, with winds reaching 81.3 km/h.
What is the warmest month in Seogwipo?
The warmest month in Seogwipo is August (26.2 °C on average); the coldest is January (5.1 °C).
How much does it rain in Seogwipo?
Seogwipo receives on average 1,536 mm of precipitation per year, spread over about 134 rainy days.
Is it sunny in Seogwipo?
Seogwipo gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.
What is the biggest single-day snowfall in Seogwipo?
The heaviest 24-hour snowfall measured in Seogwipo between 1940 and 2025 was 25 February 1945, with 11.7 cm.
Are there tropical nights in Seogwipo?
Yes: Seogwipo has on average 91 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Seogwipo?
In Seogwipo, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 4 August 2024, and the lowest was -13.3 °C on 24 January 2016.
Compare Seogwipo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Seogwipo