Daejeon Weather in July
With daytime temperatures of 30°C (86°F) and nighttime lows of 22°C (72°F), July in Daejeon brings very high temperatures during the day. It is also the wettest month of the year, so pack an umbrella.
Rainfall in Daejeon in July
Known for its peak rainfall, this month often has intense showers. It's wise to carry a poncho to protect yourself from the rain. Based on our climate data of the past 30 years, about 15 days of rain are anticipated, with 242 mm (9.5 in) on average. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Daejeon in July
Temperatures in Daejeon in July top out at 30°C (86°F) and drop to 22°C (72°F) overnight. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights remain mild at 22°C (72°F), making evenings a pleasant time to be outdoors.
Sunshine in Daejeon in July
The city usually sees around 142 hours of sunlight, indicating a moderately sunny period.
Wind Speed in Daejeon in July
Wind speeds average () during July. This means conditions are typically very calm, with barely any noticeable air movement. While this is an average, some days may bring a light breeze, but many remain entirely still.July in Daejeon has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
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 Daejeon's climate page.
Daejeon Temperature in July
Min Temperature
22°C (72°F)
Max Temperature
30°C (86°F)
Chance of Rain
51%
Precipitation
242 mm (9.5 in)
Rainy days
15 days
Humidity
77%
Windspeed
()
Sunshine
142 hours
Percentage Sunshine
31%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Daejeon typically rise from around 29°C (84°F) at the start of July to approximately 32°C (90°F) by the end. Nights are warm, with lows typically ranging from 20°C (68°F) to 23°C (73°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 Daejeon in July
Browse day-by-day weather records for Daejeon spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Daejeon historical weather extremes in July
According to our 49 years of weather records for Daejeon, the following extremes were recorded between 1976 and 2025.
- Daejeon recorded its highest July temperature of 38°C (100°F) on July 23, 1994.
- Daejeon experienced its chilliest July day on July 3, 1976, reaching only 16°C (61°F).
- The coldest night in July in Daejeon was on July 4, 1976, with a minimum of 13°C (55°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 Daejeon in July
Warm temperatures in July make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Daejeon 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 Daejeon's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Daejeon climate overview or explore weather in South Korea.
