Beach
Dongmakhaebyeon
Incheon · South Korea · Yellow Sea
37.5923, 126.4586 · Ganghwa-gun, 17 km
- 24°Sea · August
- 26°High · August
- 7.1 hSunshine · May
Your month at the beach
Dongmakhaebyeon in January
- 1°CAir, daytime high-2°C at night
- 5°CSea temperature
- 5.2 hSunshine a day
- 5 daysRainy days in the month22 mm in total
- 21 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Dongmakhaebyeon in February
- 3°CAir, daytime high-2°C at night
- 4°CSea temperature
- 5.8 hSunshine a day
- 5 daysRainy days in the month32 mm in total
- 19 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Dongmakhaebyeon in March
- 6°CAir, daytime high2°C at night
- 5°CSea temperature
- 6.7 hSunshine a day
- 6 daysRainy days in the month36 mm in total
- 19 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Dongmakhaebyeon in April
- 12°CAir, daytime high7°C at night
- 8°CSea temperature
- 6.8 hSunshine a day
- 7 daysRainy days in the month69 mm in total
- 17 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Dongmakhaebyeon in May
- 17°CAir, daytime high12°C at night
- 13°CSea temperature
- 7.1 hSunshine a day
- 8 daysRainy days in the month86 mm in total
- 15 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Dongmakhaebyeon in June
- 21°CAir, daytime high18°C at night
- 17°CSea temperature
- 6.0 hSunshine a day
- 10 daysRainy days in the month103 mm in total
- 12 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Dongmakhaebyeon in July
- 24°CAir, daytime high22°C at night
- 21°CSea temperature
- 3.6 hSunshine a day
- 18 daysRainy days in the month323 mm in total
- 14 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Dongmakhaebyeon in August
- 26°CAir, daytime high23°C at night
- 24°CSea temperature
- 5.1 hSunshine a day
- 18 daysRainy days in the month246 mm in total
- 14 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Dongmakhaebyeon in September
- 24°CAir, daytime high20°C at night
- 23°CSea temperature
- 5.7 hSunshine a day
- 10 daysRainy days in the month129 mm in total
- 15 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Dongmakhaebyeon in October
- 18°CAir, daytime high14°C at night
- 19°CSea temperature
- 6.2 hSunshine a day
- 6 daysRainy days in the month52 mm in total
- 17 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Dongmakhaebyeon in November
- 11°CAir, daytime high7°C at night
- 14°CSea temperature
- 4.6 hSunshine a day
- 9 daysRainy days in the month51 mm in total
- 20 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Dongmakhaebyeon in December
- 4°CAir, daytime high0°C at night
- 9°CSea temperature
- 4.7 hSunshine a day
- 6 daysRainy days in the month26 mm in total
- 22 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
The beach itself
- 44Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap
- 14 kmAirport: Incheon International Airport (ICN)In a straight line; by road it is further Car hire in South Korea ↗
No reliable information yet on: bathing water quality, wheelchair access, lifeguards.
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
January from 2020 to 2025
In January 2025 the sea averaged 4.1 °C — 0.8 °C below the 1991–2020 average.
1991–2020 average: 4.9 °C
1991–2020 average: 1.4 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
February from 2020 to 2025
In February 2025 the sea averaged 2.6 °C — 1.0 °C below the 1991–2020 average.
1991–2020 average: 3.6 °C
1991–2020 average: 2.6 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
March from 2020 to 2025
In March 2025 the sea averaged 5.2 °C — about the same as the 1991–2020 average.
1991–2020 average: 5.0 °C
1991–2020 average: 6.4 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
April from 2020 to 2025
In April 2025 the sea averaged 9.3 °C — 0.9 °C above the 1991–2020 average.
1991–2020 average: 8.4 °C
1991–2020 average: 11.5 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
May from 2020 to 2025
In May 2025 the sea averaged 13.8 °C — 1.2 °C above the 1991–2020 average.
1991–2020 average: 12.6 °C
1991–2020 average: 16.9 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
June from 2020 to 2025
In June 2025 the sea averaged 19.1 °C — 1.8 °C above the 1991–2020 average.
1991–2020 average: 17.3 °C
1991–2020 average: 21.4 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
July from 2020 to 2025
In July 2025 the sea averaged 23.9 °C — 2.6 °C above the 1991–2020 average.
1991–2020 average: 21.3 °C
1991–2020 average: 24.5 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
August from 2020 to 2025
In August 2025 the sea averaged 27.5 °C — 3.1 °C above the 1991–2020 average.
1991–2020 average: 24.4 °C
1991–2020 average: 26.4 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
September from 2020 to 2025
In September 2025 the sea averaged 26.2 °C — 2.9 °C above the 1991–2020 average.
1991–2020 average: 23.3 °C
1991–2020 average: 23.5 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
October from 2020 to 2025
In October 2025 the sea averaged 20.6 °C — 1.4 °C above the 1991–2020 average.
1991–2020 average: 19.2 °C
1991–2020 average: 18.2 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
November from 2020 to 2025
In November 2025 the sea averaged 13.9 °C — about the same as the 1991–2020 average.
1991–2020 average: 14.0 °C
1991–2020 average: 11.2 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
December from 2020 to 2025
In December 2025 the sea averaged 7.8 °C — 0.8 °C below the 1991–2020 average.
1991–2020 average: 8.6 °C
1991–2020 average: 4.1 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
When to go
1991–2020 averagesThe year at a glance
- Jan5°5 h22 mm
- Feb4°6 h32 mm
- Mar5°7 h36 mm
- Apr8°7 h69 mm
- May13°7 h86 mm
- Jun17°6 h103 mm
- Jul21°4 h323 mm
- Aug24°5 h246 mm
- Sep23°6 h129 mm
- Oct19°6 h52 mm
- Nov14°5 h51 mm
- Dec9°5 h26 mm
Each card is a month. The colour is the sea temperature, on the same scale as the map; in bold, the two best months for each.
Sea temperature
1991–2020 averagesClimate through the year
1991–2020 averagesRain
Sunshine
Sunshine hours are estimated from measured solar radiation, not observed directly.
Month by month
1991–2020 averagesEvery month at Dongmakhaebyeon: air, sea, rain and sunshine. Averages for 1991–2020.
| Month | High°C | Low°C | Sea°C | Rainmm | Rainy daysdays | Sunshineh/day | Windkm/h |
|---|---|---|---|---|---|---|---|
| January | 1 | -2 | 5 | 22 | 5 | 5.2 | 21 |
| February | 3 | -2 | 4 | 32 | 5 | 5.8 | 19 |
| March | 6 | 2 | 5 | 36 | 6 | 6.7 | 19 |
| April | 12 | 7 | 8 | 69 | 7 | 6.8 | 17 |
| May | 17 | 12 | 13 | 86 | 8 | 7.1 | 15 |
| June | 21 | 18 | 17 | 103 | 10 | 6.0 | 12 |
| July | 24 | 22 | 21 | 323 | 18 | 3.6 | 14 |
| Augustwarmest sea | 26 | 23 | 24 | 246 | 18 | 5.1 | 14 |
| September | 24 | 20 | 23 | 129 | 10 | 5.7 | 15 |
| October | 18 | 14 | 19 | 52 | 6 | 6.2 | 17 |
| November | 11 | 7 | 14 | 51 | 9 | 4.6 | 20 |
| December | 4 | 0 | 9 | 26 | 6 | 4.7 | 22 |
Swipe sideways to see the other columns.
Plan your trip
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
About these numbers
Averages are for 1991–2020; the recent years (2020–2025) are what actually happened. Neither is today's weather.
| What | Where it comes from | Nearest measurement |
|---|---|---|
| Air, rain and sunshine | NASA POWER | 21 km away |
| Sea temperature | NOAA OISST v2.1, 1991–2020 | 8 km away |
| 2020–2025, month by month | NASA POWER · NOAA OISST v2.1 | 21 km away |
| Lifeguards and places to stay | OpenStreetMap | within 1–5 km |
| Nearest airport | OurAirports | straight-line distance |
| Image at the top | Sentinel-2 cloudless (EOX) | at this spot |