Donghae Weather in July
July in Donghae typically sees daytime highs of 27°C (81°F) and nighttime lows of 21°C (70°F). July falls within the rainy season, so heavy rainfall is to be expected. It falls within the summer season.
Rainfall in Donghae in July
Donghae is in the rainy season in July, with rain on around 14 days and an average of 190 mm (7.5 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Donghae in July
July in Donghae brings typical temperatures with highs around 27°C (81°F) and lows of 21°C (70°F). July is known for being in the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing.
Sunshine in Donghae in July
The city usually sees around 140 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).If you prefer dry days with pleasant temperatures, May typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Donghae's climate page.
Donghae Temperature in July
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Donghae typically rise from around 26°C (79°F) at the start of July to approximately 29°C (84°F) by the end. Nights are pleasant, with lows typically ranging from 18°C (64°F) to 22°C (72°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Donghae in July
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.
Donghae historical weather extremes in July
Based on 49 years of weather observations in Donghae between 1976 and 2025, these are the recorded extremes.
- Donghae recorded its highest July temperature of 38°C (100°F) on July 26, 1978.
- Donghae experienced its chilliest July day on July 9, 1996, reaching only 17°C (63°F).
- Donghae registered its coldest July night on July 8, 1996, with temperatures dropping to 8°C (46°F).
Best Places in South Korea in July
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 July →
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What to Wear in Donghae in July
Warm weather calls for comfortable, breathable clothing in July. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Donghae in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Donghae's climate page.
Temperature Rainfall Sunshine Humidity
See the full Donghae climate overview or explore weather in South Korea.