Jinju climate — normals and trends
Jinju (South Korea) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 12.5 °C and it receives 1,431 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 (25.3 °C on average) and the coldest is January (-1.1 °C). Rainfall peaks in July.
Jinju averages 106 frost days, 32 hot days (≥ 30 °C) and 104 rainy days per year.
Jinju has warmed by +2.5 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 121 to 91 per year over the period.
The hottest day of the period reached 38.2 °C (on 20 July 1994) and the coldest -20.6 °C (on 25 January 1960).
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
JinjuGyeongsangnam-do
- coords
- 35.19°, 128.08°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.5°C
Average daily high
18.1°C
Average daily low
7.8°C
Annual rainfall
1,431mm
Sunshine / day
8.7h
Mean relative humidity
73%
Average peak wind
12.0km/h
Seasonal range
26.4°C
Frost days (< 0 °C)
106 d/yr
Hot days (≥ 30 °C)
32 d/yr
Rainy days (≥ 1 mm)
104 d/yr
Annual snowfall
14.2 cm
Average feels-like high
17.6 °C
Average feels-like low
6.6 °C
Average peak gust
32.0 km/h
Tropical nights (≥ 20 °C)
57 d/yr
Solar radiation
15.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.71 · 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
38.2 °C
20 July 1994
Coldest day
-20.6 °C
25 January 1960
Wettest day
230 mm
30 September 1998
Windiest day
49.4 km/h
31 August 1987
Strongest gust
144.7 km/h
15 July 1987
Hottest feels-like
43.8 °C
17 July 1961
Coldest feels-like
-26.0 °C
25 January 1960
Snowiest day
21.5 cm
29 January 1965
Sunniest day
13.9 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 | 6.8 °C | +1.8 °C | 10 mm | -20 mm |
| Feb | 6.2 °C | -0.9 °C | 30 mm | -12 mm |
| Mar | 14.5 °C | +2.1 °C | 70 mm | -3 mm |
| Apr | 21.0 °C | +2.5 °C | 71 mm | -45 mm |
| May | 22.6 °C | -0.7 °C | 165 mm | +46 mm |
| Jun | 28.3 °C | +2.3 °C | 194 mm | +1 mm |
| Jul | 32.3 °C | +3.7 °C | 188 mm | -99 mm |
| Aug | 32.1 °C | +2.6 °C | 265 mm | +25 mm |
| Sep | 27.7 °C | +2.4 °C | 173 mm | -17 mm |
| Oct | 21.6 °C | +1.2 °C | 185 mm | +121 mm |
| Nov | 15.5 °C | +1.8 °C | 30 mm | -23 mm |
| Dec | 9.3 °C | +2.0 °C | 17 mm | -9 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 Jinju?
Jinju has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 12.5 °C and it receives 1,431 mm of precipitation per year.
What is the hottest day ever recorded in Jinju?
The hottest day measured in Jinju between 1940 and 2025 was 20 July 1994, reaching 38.2 °C.
What is the coldest day in Jinju?
The coldest day measured in Jinju between 1940 and 2025 was 25 January 1960, at -20.6 °C.
Does it snow in Jinju?
Yes. Jinju gets on average 14.2 cm of snow per year and has around 106 frost days.
Has the climate of Jinju warmed?
Yes: Jinju warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Jinju?
The wettest day measured in Jinju between 1940 and 2025 was 30 September 1998, with 230 mm of rain in 24 hours.
What was the windiest day in Jinju?
The windiest day measured in Jinju between 1940 and 2025 was 31 August 1987, with winds reaching 49.4 km/h.
What is the warmest month in Jinju?
The warmest month in Jinju is August (25.3 °C on average); the coldest is January (-1.1 °C).
How much does it rain in Jinju?
Jinju receives on average 1,431 mm of precipitation per year, spread over about 104 rainy days.
Is it sunny in Jinju?
Jinju gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Jinju?
The heaviest 24-hour snowfall measured in Jinju between 1940 and 2025 was 29 January 1965, with 21.5 cm.
Are there tropical nights in Jinju?
Yes: Jinju has on average 57 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Jinju?
In Jinju, between 1940 and 2025, the highest apparent temperature reached 43.8 °C on 17 July 1961, and the lowest was -26.0 °C on 25 January 1960.
Compare Jinju with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Jinju