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.
July in Ansan brings high temperatures, with highs of 28°C (82°F) and nights dropping to 22°C (72°F). It's the rainiest month of the year, so come prepared with waterproof gear.
July in Ansan 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.
Pick a month to see the average temperature, rainfall and sunshine in Ansan - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Ansan typically stay consistent throughout July, with daily highs averaging around 28°C (82°F). Nights are warm, with lows typically ranging from 21°C (70°F) to 24°C (75°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 Ansan 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 Ansan 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 July →
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 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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Ansan climate overview or explore weather in South Korea.
Where to go in July - 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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