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Cheonan Weather in April
Cheonan in April sees pleasant temperatures, with highs around 20°C (68°F) and overnight lows of 6°C (43°F). Rainfall is fairly high at around 79 mm (3.1 in) on average, so pack waterproofs just in case.
Rainfall in Cheonan in April
Rain is expected on roughly 9 days, totalling around 79 mm (3.1 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Cheonan in April
April tends to be one of the excellent months in Cheonan, with 20°C (68°F) in the afternoon and 6°C (43°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 6°C (43°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Cheonan in April
Enjoy a sunny month with about 235 hours of sunshine, the clear skies make Cheonan even more beautiful.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Cheonan Temperature in April
Min Temperature
6°C (43°F)
Max Temperature
20°C (68°F)
Chance of Rain
29%
Precipitation
79 mm (3.1 in)
Rainy days
9 days
Humidity
62%
Sunshine
235 hours
Percentage Sunshine
59%
Cheonan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cheonan - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cheonan typically rise from around 16°C (61°F) at the start of April to approximately 21°C (70°F) by the end. Nights are cold, with lows typically ranging from 2°C (36°F) to 10°C (50°F).
Average temperatures in April
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 April
Historical weather records for Cheonan in April
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 April
According to our 50 years of weather records for Cheonan, the following extremes were recorded between 1976 and 2026.
- The hottest April day on record in Cheonan reached 31°C (88°F) (April 30, 2005).
- On April 8, 1993, Cheonan saw its coldest April day with temperatures maxing out at 6°C (43°F).
- Nighttime temperatures dropped to -5°C (23°F) on April 1, 1991, marking the coldest April night on record.
Best Places in South Korea in April
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 April →
perfect weather
pleasant
tolerable
unpleasant
poor
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).
What to Wear in Cheonan in April
Pleasant temperatures in April mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Cheonan in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping4/10 -
Outdoor sports9/10
Cheonan 3-Day Forecast
More climate data for Cheonan
Temperature Rainfall Sunshine Humidity
See the full Cheonan climate overview or explore weather in South Korea.
Popular in April
Where to go in April - average daytime high across popular destinations.
Gyeongju
20°C (68°F) Jeonju19°C (66°F) Seoul19°C (66°F) Suwon19°C (66°F) Busan
18°C (64°F) Seogwipo18°C (64°F) Jeju16°C (61°F) Incheon16°C (61°F) Bucket list
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