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.
With daytime temperatures of 28°C (82°F) and nighttime lows of 17°C (63°F), June in Icheon brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 142 mm (5.6 in) falls on average.
If you prefer dry days with pleasant temperatures, October 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.
Pick a month to see the average temperature, rainfall and sunshine in Icheon - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Icheon typically stay consistent throughout June, with daily highs averaging around 28°C (82°F). Nights are pleasant, with lows typically ranging from 15°C (59°F) to 20°C (68°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 Icheon spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Icheon from 1976 through 2026.
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 June →
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).
Warm temperatures in June 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. Prepare for significant rainfall with proper waterproof clothing and shoes. 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 Icheon climate overview or explore weather in South Korea.
Where to go in June - 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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