Munsan climate — normals and trends
Munsan (South Korea) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 11.5 °C and it receives 1,223 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 (25.5 °C on average) and the coldest is January (-4.0 °C). Rainfall peaks in July.
Munsan averages 113 frost days, 25 hot days (≥ 30 °C) and 99 rainy days per year.
Munsan has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 123 to 103 per year over the period.
The hottest day of the period reached 37.9 °C (on 1 August 2018) and the coldest -26.5 °C (on 14 January 2001).
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
MunsanGyeonggi-do
- coords
- 37.86°, 126.78°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.5°C
Average daily high
16.4°C
Average daily low
7.2°C
Annual rainfall
1,223mm
Sunshine / day
8.7h
Mean relative humidity
72%
Average peak wind
14.4km/h
Seasonal range
29.5°C
Frost days (< 0 °C)
113 d/yr
Hot days (≥ 30 °C)
25 d/yr
Rainy days (≥ 1 mm)
99 d/yr
Annual snowfall
20.9 cm
Average feels-like high
15.5 °C
Average feels-like low
5.7 °C
Average peak gust
31.5 km/h
Tropical nights (≥ 20 °C)
61 d/yr
Solar radiation
14.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.51 · 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
37.9 °C
1 August 2018
Coldest day
-26.5 °C
14 January 2001
Wettest day
214 mm
7 August 2002
Windiest day
56.3 km/h
7 September 2019
Strongest gust
118.8 km/h
28 August 2012
Hottest feels-like
45.0 °C
1 August 2018
Coldest feels-like
-32.3 °C
14 January 2001
Snowiest day
16.3 cm
8 March 1991
Sunniest day
14.3 h
23 June 1951
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 | 3.2 °C | +2.3 °C | 19 mm | -1 mm |
| Feb | 3.3 °C | -0.5 °C | 4 mm | -20 mm |
| Mar | 12.6 °C | +2.7 °C | 43 mm | +1 mm |
| Apr | 17.9 °C | +0.9 °C | 98 mm | +21 mm |
| May | 21.6 °C | -0.8 °C | 86 mm | -8 mm |
| Jun | 27.4 °C | +1.3 °C | 162 mm | +28 mm |
| Jul | 31.1 °C | +2.9 °C | 195 mm | -123 mm |
| Aug | 31.1 °C | +1.9 °C | 201 mm | -49 mm |
| Sep | 26.9 °C | +1.7 °C | 232 mm | +92 mm |
| Oct | 20.0 °C | +0.9 °C | 167 mm | +116 mm |
| Nov | 13.5 °C | +2.4 °C | 12 mm | -34 mm |
| Dec | 4.4 °C | +1.0 °C | 41 mm | +16 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 Munsan?
Munsan has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 11.5 °C and it receives 1,223 mm of precipitation per year.
What is the hottest day ever recorded in Munsan?
The hottest day measured in Munsan between 1940 and 2025 was 1 August 2018, reaching 37.9 °C.
What is the coldest day in Munsan?
The coldest day measured in Munsan between 1940 and 2025 was 14 January 2001, at -26.5 °C.
Does it snow in Munsan?
Yes. Munsan gets on average 20.9 cm of snow per year and has around 113 frost days.
Has the climate of Munsan warmed?
Yes: Munsan warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Munsan?
The wettest day measured in Munsan between 1940 and 2025 was 7 August 2002, with 214 mm of rain in 24 hours.
What was the windiest day in Munsan?
The windiest day measured in Munsan between 1940 and 2025 was 7 September 2019, with winds reaching 56.3 km/h.
What is the warmest month in Munsan?
The warmest month in Munsan is August (25.5 °C on average); the coldest is January (-4.0 °C).
How much does it rain in Munsan?
Munsan receives on average 1,223 mm of precipitation per year, spread over about 99 rainy days.
Is it sunny in Munsan?
Munsan 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 Munsan?
The heaviest 24-hour snowfall measured in Munsan between 1940 and 2025 was 8 March 1991, with 16.3 cm.
Are there tropical nights in Munsan?
Yes: Munsan has on average 61 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Munsan?
In Munsan, between 1940 and 2025, the highest apparent temperature reached 45.0 °C on 1 August 2018, and the lowest was -32.3 °C on 14 January 2001.
Compare Munsan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Munsan