Mud festival in South Korea
In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
Donghae in April sees moderate temperatures, with highs around 16°C (61°F) and overnight lows of 7°C (45°F). Rainfall is fairly high at around 78 mm (3.1 in) on average, so pack waterproofs just in case.
If your ideal day consists of dry skies and pleasant temperatures, May typically offers the best circumstances for Donghae.
Pick a month to see the average temperature, rainfall and sunshine in Donghae - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Donghae typically rise from around 14°C (57°F) at the start of April to approximately 19°C (66°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 9°C (48°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Donghae spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Donghae between 1976 and 2026, these are the recorded extremes during April.
Find out more about the weather in South Korea and which places have the best travel conditions in this month. See all of South Korea in April →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
The weather can be unpredictable in April, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Donghae climate overview or explore weather in South Korea.
Where to go in April - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Mud festival in South Korea
In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
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