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Cheongju Weather in May
Cheongju in May sees high temperatures, with highs around 26°C (79°F) and overnight lows of 12°C (54°F). Rainfall is fairly high at around 91 mm (3.6 in) on average, so pack waterproofs just in case.
Rainfall in Cheongju in May
Looking at the last 30 years, the data shows about 8 days with rain, averaging 91 mm (3.6 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Cheongju in May
May tends to be one of the excellent months in Cheongju, with 26°C (79°F) in the afternoon and 12°C (54°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Cheongju in May
Expect sunny days throughout the month, with an estimated 224 hours of sunshine. This makes it a pleasant time to visit Cheongju.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May and October typically offer the best weather for Cheongju.
Cheongju Temperature in May
Min Temperature
12°C (54°F)
Max Temperature
26°C (79°F)
Chance of Rain
28%
Precipitation
91 mm (3.6 in)
Rainy days
8 days
Humidity
62%
Sunshine
224 hours
Percentage Sunshine
53%
Cheongju Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cheongju - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cheongju typically rise from around 23°C (73°F) at the start of May to approximately 26°C (79°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 15°C (59°F).
Average temperatures in May
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 May
Historical weather records for Cheongju in May
Browse day-by-day weather records for Cheongju spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cheongju historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Cheongju.
- Cheongju recorded its highest May temperature of 34°C (93°F) on May 31, 2014.
- On May 1, 2021, Cheongju saw its coldest May day with temperatures maxing out at 13°C (55°F).
- Nighttime temperatures dropped to 1°C (34°F) on May 1, 2010, marking the coldest May night on record.
Best Places in South Korea in May
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 May →
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 Cheongju in May
Warm but pleasant conditions in Cheongju in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Cheongju in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Cheongju 3-Day Forecast
More climate data for Cheongju
Temperature Rainfall Sunshine Humidity
See the full Cheongju climate overview or explore weather in South Korea.
Popular in May
Where to go in May - average daytime high across popular destinations.
Seoul
24°C (75°F) Jeonju25°C (77°F) Suwon24°C (75°F) Gyeongju25°C (77°F) Seogwipo
22°C (72°F) Incheon21°C (70°F) Busan22°C (72°F) Jeju20°C (68°F) Bucket list
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