Donghae City in Winter
In winter (December, January and February), Donghae City sees average daytime highs around 4°C and overnight lows near -5°C, with 124 mm of precipitation over about 17 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 4°C. The sky is clear or mostly clear about 54% of the time across winter, and the air most often feels dry.
Winter is Donghae City's weakest season of the year to visit on our travel score. For the whole year in context, see Donghae City's year-round climate.
- Avg daytime high
- 4°C
- coldest season of the year
- Avg overnight low
- -5°C
- Precipitation
- 124 mm
- 17 wet days
- Avg wind
- 11 km/h
- Travel score
- 0.1
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Donghae City in Winter
Across winter, daytime highs hold fairly steady around 4°C.
A typical winter day in Donghae City reaches about 4°C and drops to -5°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Donghae City
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 90 that feel at or below 0°C.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Donghae City weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 2° / -6° | 45 | 5.8 | 5 | 9.7 | 0.0 |
| Feb | 4° / -5° | 44 | 5.7 | 4.6 | 10.6 | 0.1 |
| Mar | 9° / 0° | 68 | 8.6 | 4.8 | 11.7 | 2.0 |
| Apr | 16° / 6° | 75 | 8.4 | 0.8 | 12.9 | 5.1 |
| May | 21° / 12° | 75 | 7.8 | 0 | 14 | 6.7 |
| Jun | 23° / 16° | 107 | 9.6 | 0 | 14.5 | 6.8 |
| Jul | 26° / 20° | 197 | 13.4 | 0 | 14.3 | 5.9 |
| Aug | 26° / 21° | 215 | 15.4 | 0 | 13.4 | 5.7 |
| Sep | 22° / 16° | 185 | 11.6 | 0 | 12.3 | 6.3 |
| Oct | 18° / 9° | 82 | 8 | 0 | 11 | 6.1 |
| Nov | 11° / 3° | 61 | 7.3 | 0.7 | 10 | 3.1 |
| Dec | 5° / -3° | 35 | 5 | 2.7 | 9.5 | 0.2 |
Cloud cover in Winter
The sky is clear or mostly clear about 54% of the time across winter.
Chance of precipitation in Winter
Donghae City gets around 124 mm of rain and snow over 17 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 11 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 36 min in early December to 11 h 06 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 3.0 kWh/m².
Hazard calendar for Donghae City
In winter, Donghae City overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Donghae City sits in the Pacific typhoon belt; the season peaks July–October.
Donghae City's rainy season runs June–September, when most of the year's rain falls.
Is winter a good time to visit Donghae City?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Donghae City.
What to pack for Donghae City in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Donghae City sees daytime highs around 4°C and nights near -5°C. Pack a warm layer and a heavy coat. About 17 days see rain.
Sea temperature near Donghae City in Winter
The nearest coast averages about 12°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 24°C and coldest in February near 10°C.
It's comfortable for a long swim from Jul 1 to Oct 11 — about 3.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 11 | 10 | 10 | 12 | 15 | 18 | 22 | 24 | 22 | 20 | 16 | 14 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Refreshing | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 11 | Bracing |
| Feb | 10 | Bracing |
| Mar | 10 | Bracing |
| Apr | 12 | Bracing |
| May | 15 | Bracing |
| Jun | 18 | Cool |
| Jul | 22 | Refreshing |
| Aug | 24 | Warm |
| Sep | 22 | Refreshing |
| Oct | 20 | Cool |
| Nov | 16 | Cool |
| Dec | 14 | Bracing |
UV index in Donghae City in Winter
Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Donghae City peaks around August 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 4 | 6 | 7 | 7 | 8 | 9 | 8 | 5 | 3 | 2 |
| Level | Low | Moderate | Moderate | High | High | High | Very high | Very high | Very high | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 7 | High |
| Jul | 8 | Very high |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Donghae City in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Donghae City is worst in March — around 40 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (September, 17 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 26 | 30 | 40 | 38 | 35 | 30 | 24 | 21 | 17 | 20 | 24 | 22 |
| Level | Moderate | Moderate | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 26 | Moderate |
| Feb | 30 | Moderate |
| Mar | 40 | Poor |
| Apr | 38 | Poor |
| May | 35 | Moderate |
| Jun | 30 | Moderate |
| Jul | 24 | Moderate |
| Aug | 21 | Moderate |
| Sep | 17 | Moderate |
| Oct | 20 | Moderate |
| Nov | 24 | Moderate |
| Dec | 22 | Moderate |
Where is Donghae City?
Donghae City sits at 37.5°N, 129.1°E, 24 m above sea level, in South Korea. The nearest listed city is Santyoku, 13 km away.
Topography around Donghae City
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Donghae City.
Within 3 km, the terrain around Donghae City has significant variations in elevation — a maximum elevation change of 358 m around an average of 72 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,347 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,550 m.
The land around Donghae City is covered by trees (47%) and water (30%) within 3 km, water (47%) and trees (44%) within 16 km, and trees (62%) and water (33%) within 80 km.
South Korea travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / F
- 220 V · 60 Hz
- Prices
- ≈ 57% of US
- price level, 2025
- GDP per capita
- $36,227
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.5
- per 100k, 2023
- Road deaths
- 8.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 522
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Donghae City (37.5439°, 129.1069°, elevation 24 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.