Sinhyeon climate — normals and trends
Sinhyeon (South Korea) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.5 °C and it receives 1,412 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 (25.6 °C on average) and the coldest is January (3.8 °C). Rainfall peaks in July.
Sinhyeon averages 23 frost days, 0 hot days (≥ 30 °C) and 95 rainy days per year.
Sinhyeon has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The number of frost days there went from about 31 to 15 per year over the period.
The hottest day of the period reached 31.1 °C (on 14 August 2016) and the coldest -9.8 °C (on 16 January 1967).
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
SinhyeonGyeongsangnam-do
- coords
- 34.88°, 128.63°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.5°C
Average daily high
16.3°C
Average daily low
12.8°C
Annual rainfall
1,412mm
Sunshine / day
8.9h
Mean relative humidity
74%
Average peak wind
26.1km/h
Seasonal range
21.8°C
Frost days (< 0 °C)
23 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
95 d/yr
Annual snowfall
2.1 cm
Average feels-like high
15.2 °C
Average feels-like low
10.3 °C
Average peak gust
38.3 km/h
Tropical nights (≥ 20 °C)
88 d/yr
Solar radiation
15.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.33 · 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
31.1 °C
14 August 2016
Coldest day
-9.8 °C
16 January 1967
Wettest day
205 mm
24 June 1985
Windiest day
105.2 km/h
31 August 1987
Strongest gust
168.1 km/h
17 September 1959
Hottest feels-like
38.7 °C
7 August 1966
Coldest feels-like
-18.9 °C
16 January 1967
Snowiest day
7.9 cm
10 March 2010
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 | 6.7 °C | +0.4 °C | 12 mm | -24 mm |
| Feb | 5.9 °C | -1.6 °C | 36 mm | -17 mm |
| Mar | 10.6 °C | -0.1 °C | 92 mm | +1 mm |
| Apr | 14.4 °C | 0.0 °C | 73 mm | -65 mm |
| May | 17.3 °C | -0.5 °C | 204 mm | +62 mm |
| Jun | 22.1 °C | +1.4 °C | 181 mm | -18 mm |
| Jul | 27.0 °C | +2.5 °C | 121 mm | -124 mm |
| Aug | 28.3 °C | +1.7 °C | 219 mm | +44 mm |
| Sep | 26.2 °C | +2.2 °C | 115 mm | -55 mm |
| Oct | 21.6 °C | +2.1 °C | 143 mm | +70 mm |
| Nov | 15.3 °C | +1.0 °C | 23 mm | -35 mm |
| Dec | 10.0 °C | +1.3 °C | 19 mm | -13 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 Sinhyeon?
Sinhyeon has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.5 °C and it receives 1,412 mm of precipitation per year.
What is the hottest day ever recorded in Sinhyeon?
The hottest day measured in Sinhyeon between 1940 and 2025 was 14 August 2016, reaching 31.1 °C.
What is the coldest day in Sinhyeon?
The coldest day measured in Sinhyeon between 1940 and 2025 was 16 January 1967, at -9.8 °C.
Does it snow in Sinhyeon?
Yes. Sinhyeon gets on average 2.1 cm of snow per year and has around 23 frost days.
Has the climate of Sinhyeon warmed?
Yes: Sinhyeon warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sinhyeon?
The wettest day measured in Sinhyeon between 1940 and 2025 was 24 June 1985, with 205 mm of rain in 24 hours.
What was the windiest day in Sinhyeon?
The windiest day measured in Sinhyeon between 1940 and 2025 was 31 August 1987, with winds reaching 105.2 km/h.
What is the warmest month in Sinhyeon?
The warmest month in Sinhyeon is August (25.6 °C on average); the coldest is January (3.8 °C).
How much does it rain in Sinhyeon?
Sinhyeon receives on average 1,412 mm of precipitation per year, spread over about 95 rainy days.
Is it sunny in Sinhyeon?
Sinhyeon 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 Sinhyeon?
The heaviest 24-hour snowfall measured in Sinhyeon between 1940 and 2025 was 10 March 2010, with 7.9 cm.
Are there tropical nights in Sinhyeon?
Yes: Sinhyeon has on average 88 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sinhyeon?
In Sinhyeon, between 1940 and 2025, the highest apparent temperature reached 38.7 °C on 7 August 1966, and the lowest was -18.9 °C on 16 January 1967.
Compare Sinhyeon with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sinhyeon