Cheonan Weather in July
July in Cheonan brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 22°C (72°F). It's the rainiest month of the year, so come prepared with waterproof gear.
Rainfall in Cheonan in July
The heaviest rainfall of the year happens this month, with frequent showers. A poncho is your best bet to stay dry. Looking at the last 30 years, the data shows about 15 days with rain, averaging 265 mm (10 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Cheonan in July
Daytime highs in Cheonan in July reach 31°C (88°F), with nights around 22°C (72°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With lows of 22°C (72°F), the nights are warm and generally comfortable.
Sunshine in Cheonan in July
You can expect a moderate amount of sunlight, with approximately 187 hours. This means a pleasant mix of sun and overcast.July in Cheonan 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 Cheonan's climate page.
Cheonan Temperature in July
Min Temperature
22°C (72°F)
Max Temperature
31°C (88°F)
Chance of Rain
51%
Precipitation
265 mm (10 in)
Rainy days
15 days
Humidity
78%
Sunshine
187 hours
Percentage Sunshine
41%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cheonan typically rise from around 28°C (82°F) at the start of July to approximately 31°C (88°F) by the end. Nights are warm, with lows typically ranging from 21°C (70°F) to 24°C (75°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 Cheonan in July
Browse day-by-day weather records for Cheonan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cheonan historical weather extremes in July
According to our 49 years of weather records for Cheonan, the following extremes were recorded between 1976 and 2025.
- On July 22, 2018, temperatures climbed to 37°C (99°F), marking the warmest July day on record.
- Cheonan experienced its chilliest July day on July 3, 1976, reaching only 16°C (61°F).
- Cheonan registered its coldest July night on July 4, 1976, with temperatures dropping to 14°C (57°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 Cheonan 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 Cheonan 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 Cheonan's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cheonan climate overview or explore weather in South Korea.
