Donghae City climate — normals and trends

Donghae City (South Korea) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 10.7 °C and it receives 1,187 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 (23.6 °C on average) and the coldest is January (-3.5 °C). Rainfall peaks in August.

Donghae City averages 104 frost days, 13 hot days (≥ 30 °C) and 110 rainy days per year.

Donghae City 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 118 to 90 per year over the period.

The hottest day of the period reached 35.3 °C (on 17 June 1962) and the coldest -23.2 °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

Donghae CityGangwon-do

coords
37.54°, 129.11°
period
19402025 · 86 yrs
DfaHot-summer humid continentalWarmest monthAugustColdest monthJanuaryWettest monthAugustDriest monthDecember

Mean daily temperature

10.7°C

Average daily high

14.8°C

Average daily low

6.9°C

Annual rainfall

1,187mm

Sunshine / day

9.0h

Mean relative humidity

70%

Average peak wind

14.7km/h

Seasonal range

27.1°C

Frost days (< 0 °C)

104 d/yr

Hot days (≥ 30 °C)

13 d/yr

Rainy days (≥ 1 mm)

110 d/yr

Annual snowfall

88.7 cm

Average feels-like high

13.7 °C

Average feels-like low

4.7 °C

Average peak gust

40.2 km/h

Tropical nights (≥ 20 °C)

41 d/yr

Solar radiation

15.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.3 °C

since 1940

+0.3 °C per decade · r² = 0.56 · p = < 0.001

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

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

35.3 °C

17 June 1962

Coldest day

-23.2 °C

16 January 1967

Wettest day

174 mm

31 August 2002

Windiest day

54.2 km/h

27 April 1983

Strongest gust

142.9 km/h

18 April 1946

Hottest feels-like

40.7 °C

3 August 1956

Coldest feels-like

-29.2 °C

31 January 1941

Snowiest day

47.4 cm

28 February 1956

Sunniest day

14.3 h

24 June 1948

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202534.3 °C27 July 2025-13.7 °C8 February 202512.7 °C1,162 mm4398
202433.3 °C2 August 2024-14.9 °C24 January 202412.9 °C1,482 mm2492
202333.6 °C3 August 2023-15.0 °C25 January 202312.8 °C1,476 mm1885
202232.3 °C25 June 2022-13.7 °C21 January 202212.0 °C1,260 mm1093
202131.7 °C31 July 2021-16.2 °C9 January 202112.2 °C1,245 mm676
202033.0 °C19 August 2020-13.0 °C31 December 202012.2 °C1,398 mm1475
201932.5 °C23 July 2019-8.9 °C1 February 201912.7 °C1,127 mm1682
201834.6 °C4 August 2018-15.3 °C24 January 201811.8 °C1,360 mm2692
201732.6 °C14 July 2017-12.7 °C24 January 201711.9 °C950 mm1298
201632.8 °C13 August 2016-16.6 °C24 January 201612.2 °C1,176 mm1386
201534.0 °C31 July 2015-12.5 °C9 February 201512.2 °C910 mm1484
201431.2 °C29 May 2014-15.5 °C18 December 201411.5 °C1,247 mm8101
201333.0 °C9 August 2013-16.1 °C8 February 201311.5 °C974 mm22104
201232.5 °C29 July 2012-17.3 °C3 February 201210.6 °C1,226 mm11111
201132.2 °C11 August 2011-16.3 °C16 January 201110.6 °C1,553 mm4115
201033.4 °C5 August 2010-15.4 °C14 January 201011.1 °C1,032 mm20101
200931.5 °C27 June 2009-12.4 °C24 January 200911.5 °C1,079 mm488
200833.1 °C6 July 2008-14.7 °C17 January 200811.3 °C869 mm1797
200732.3 °C25 August 2007-14.7 °C2 February 200711.7 °C1,132 mm1692
200632.4 °C3 August 2006-15.4 °C23 January 200611.4 °C1,338 mm1598
200535.1 °C24 June 2005-17.0 °C26 February 200510.9 °C1,143 mm20114
200433.5 °C23 July 2004-19.0 °C22 January 200412.1 °C1,328 mm1781
200331.7 °C22 August 2003-20.2 °C5 January 200310.6 °C1,771 mm2102
200231.7 °C31 July 2002-15.7 °C3 January 200210.9 °C1,407 mm693
200131.7 °C4 July 2001-20.9 °C15 January 200111.0 °C1,105 mm14109
200031.9 °C20 June 2000-14.9 °C21 January 200011.1 °C1,042 mm20103
199932.1 °C14 June 1999-12.5 °C9 January 199911.4 °C1,390 mm496
199831.3 °C5 August 1998-16.6 °C24 January 199811.7 °C1,682 mm499
199732.1 °C2 August 1997-14.1 °C22 January 199710.8 °C1,141 mm17101
199632.5 °C18 July 1996-16.5 °C2 February 199610.3 °C1,001 mm13110
199534.2 °C14 August 1995-12.0 °C30 January 199510.8 °C665 mm21115
199433.5 °C13 July 1994-15.8 °C19 January 199411.9 °C821 mm23100
199328.4 °C24 August 1993-14.3 °C19 January 199310.2 °C1,350 mm0111
199232.6 °C29 July 1992-13.9 °C19 January 199210.9 °C1,166 mm891
199130.5 °C27 July 1991-19.6 °C23 February 199110.7 °C1,242 mm294
199031.8 °C1 August 1990-17.2 °C25 January 199011.6 °C1,475 mm1187
198931.0 °C19 July 1989-13.3 °C28 January 198911.4 °C1,617 mm680
198831.6 °C9 August 1988-14.7 °C7 February 198810.6 °C1,051 mm5109
198732.2 °C5 June 1987-15.8 °C14 January 198710.9 °C1,250 mm2102
198632.0 °C28 July 1986-18.7 °C5 January 19869.9 °C1,169 mm6102
198532.2 °C8 August 1985-17.0 °C30 January 198510.8 °C1,433 mm21108
198432.3 °C11 August 1984-18.7 °C3 February 19849.9 °C1,389 mm12106
198333.4 °C4 August 1983-17.8 °C13 February 198310.8 °C1,115 mm13106
198233.0 °C10 July 1982-17.1 °C7 February 198210.9 °C995 mm795
198132.6 °C19 July 1981-19.7 °C27 February 198110.2 °C1,216 mm13110
198031.1 °C15 June 1980-19.5 °C7 February 19809.7 °C1,140 mm1105
197931.4 °C1 August 1979-17.1 °C2 February 197911.2 °C1,153 mm7107
197833.4 °C24 July 1978-19.2 °C15 February 197811.3 °C1,362 mm21103
197733.4 °C29 July 1977-21.7 °C29 January 197710.8 °C1,307 mm1387
197631.3 °C21 August 1976-18.4 °C27 December 197610.1 °C1,443 mm3109
197532.9 °C4 August 1975-14.9 °C12 January 197510.7 °C1,697 mm18105
197431.1 °C5 August 1974-19.4 °C25 January 19749.7 °C1,360 mm3117
197333.2 °C12 August 1973-15.5 °C24 December 197310.8 °C1,109 mm20113
197232.4 °C15 August 1972-12.7 °C28 January 197210.6 °C1,539 mm14107
197131.7 °C27 July 1971-18.1 °C1 February 197110.2 °C1,139 mm12107
197032.7 °C23 July 1970-18.1 °C5 January 197010.0 °C1,154 mm10118
196932.1 °C18 August 1969-16.5 °C6 February 19699.9 °C1,319 mm12123
196832.2 °C26 July 1968-16.4 °C1 February 196810.5 °C1,036 mm6101
196733.0 °C9 August 1967-23.2 °C16 January 196710.3 °C1,095 mm17104
196632.6 °C5 August 1966-15.9 °C21 January 196610.5 °C1,104 mm13116
196533.4 °C27 August 1965-19.8 °C12 January 196510.5 °C869 mm17116
196433.2 °C5 August 1964-16.0 °C12 February 196411.0 °C1,553 mm22119
196332.5 °C31 July 1963-22.8 °C24 January 19639.9 °C1,131 mm8112
196235.3 °C17 June 1962-16.2 °C28 January 196210.8 °C1,198 mm21113
196134.3 °C20 July 1961-17.1 °C1 February 196111.6 °C1,217 mm28106
196034.0 °C22 July 1960-18.2 °C28 January 196011.1 °C965 mm24105
195934.9 °C30 July 1959-19.5 °C17 January 195911.4 °C1,365 mm2295
195833.3 °C9 August 1958-18.7 °C24 January 195810.9 °C1,532 mm1793
195731.0 °C9 August 1957-20.7 °C11 February 19579.8 °C1,463 mm1123
195635.0 °C3 August 1956-16.9 °C10 February 19569.4 °C1,322 mm22129
195533.5 °C18 August 1955-17.3 °C21 February 195510.9 °C796 mm18107
195434.1 °C14 August 1954-15.6 °C26 January 195410.6 °C1,672 mm1396
195333.9 °C17 August 1953-18.0 °C30 January 195310.5 °C967 mm22106
195232.8 °C25 July 1952-18.9 °C5 February 195210.3 °C968 mm12118
195133.7 °C16 August 1951-20.1 °C13 January 195110.6 °C877 mm28116
195030.6 °C18 July 1950-16.9 °C5 February 195010.1 °C1,010 mm3115
194931.1 °C23 July 1949-17.4 °C6 January 194910.1 °C1,092 mm5107
194829.2 °C11 August 1948-18.3 °C27 January 194810.5 °C1,329 mm098
194730.6 °C12 August 1947-22.5 °C3 February 19478.5 °C882 mm2137
194634.4 °C18 July 1946-17.7 °C17 January 194610.7 °C626 mm19111
194529.7 °C10 August 1945-20.8 °C17 January 19458.9 °C1,150 mm0116
194430.7 °C26 July 1944-16.9 °C17 December 19449.7 °C1,056 mm2121
194330.2 °C14 August 1943-20.3 °C12 January 19439.6 °C794 mm2123
194234.6 °C12 July 1942-22.3 °C13 February 194210.0 °C491 mm30123
194130.0 °C29 June 1941-22.7 °C31 January 19419.3 °C855 mm1115
194029.2 °C30 July 1940-19.9 °C27 January 19409.0 °C968 mm0130

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

Average daily high
16.7 °C
+1.9 °C
Hot days (≥ 30 °C)
43 d/yr
+30
Frost days (< 0 °C)
98 d/yr
-6
Annual rainfall
1162 mm
-25 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan2.9 °C+1.9 °C13 mm-30 mm
Feb3.5 °C+0.7 °C5 mm-46 mm
Mar9.6 °C+1.6 °C108 mm+38 mm
Apr17.0 °C+1.7 °C47 mm-25 mm
May20.0 °C-0.4 °C59 mm-14 mm
Jun26.4 °C+3.2 °C63 mm-51 mm
Jul29.9 °C+3.7 °C119 mm-79 mm
Aug29.9 °C+3.1 °C110 mm-90 mm
Sep24.6 °C+2.4 °C249 mm+66 mm
Oct17.2 °C-0.1 °C349 mm+264 mm
Nov13.0 °C+2.2 °C18 mm-43 mm
Dec5.7 °C+1.7 °C22 mm-15 mm

The year's extremes

Hottest day
34.3 °C
27 Jul 2025
Coldest day
-13.7 °C
8 Feb 2025
Wettest day
95.7 mm
20 Sep 2025
Windiest day
38.4 km/h
28 Jan 2025
Strongest gust
98.6 km/h
28 Jan 2025
Hottest feels-like
39.2 °C
24 Aug 2025
Coldest feels-like
-19.9 °C
8 Feb 2025
Snowiest day
20.2 cm
3 Mar 2025
Sunniest day
13.7 h
23 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Donghae City?

Donghae City has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 10.7 °C and it receives 1,187 mm of precipitation per year.

What is the hottest day ever recorded in Donghae City?

The hottest day measured in Donghae City between 1940 and 2025 was 17 June 1962, reaching 35.3 °C.

What is the coldest day in Donghae City?

The coldest day measured in Donghae City between 1940 and 2025 was 16 January 1967, at -23.2 °C.

Does it snow in Donghae City?

Yes. Donghae City gets on average 88.7 cm of snow per year and has around 104 frost days.

Has the climate of Donghae City warmed?

Yes: Donghae City warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Donghae City?

The wettest day measured in Donghae City between 1940 and 2025 was 31 August 2002, with 174 mm of rain in 24 hours.

What was the windiest day in Donghae City?

The windiest day measured in Donghae City between 1940 and 2025 was 27 April 1983, with winds reaching 54.2 km/h.

What is the warmest month in Donghae City?

The warmest month in Donghae City is August (23.6 °C on average); the coldest is January (-3.5 °C).

How much does it rain in Donghae City?

Donghae City receives on average 1,187 mm of precipitation per year, spread over about 110 rainy days.

Is it sunny in Donghae City?

Donghae City gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.

What is the biggest single-day snowfall in Donghae City?

The heaviest 24-hour snowfall measured in Donghae City between 1940 and 2025 was 28 February 1956, with 47.4 cm.

Are there tropical nights in Donghae City?

Yes: Donghae City has on average 41 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Donghae City?

In Donghae City, between 1940 and 2025, the highest apparent temperature reached 40.7 °C on 3 August 1956, and the lowest was -29.2 °C on 31 January 1941.

Compare Donghae City with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Donghae City

Other cities — South Korea