Mud festival in South Korea
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Buan Weather in May
Buan in May averages 20°C (68°F) during the day and 14°C (57°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Buan in May
The climate data from previous years indicates about 8 days of rain, averaging 96 mm (3.8 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Buan in May
Weather in Buan is at its excellent in May. Highs reach 20°C (68°F), while nights settle around 14°C (57°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 14°C (57°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 Buan in May
The city usually sees around 255 hours of sunlight, indicating many sunny days , a great month for sightseeing.If you're inclined towards comfortable temperatures and drier conditions, May is a good time to visit Buan.
Buan Temperature in May
Min Temperature
14°C (57°F)
Max Temperature
20°C (68°F)
Chance of Rain
26%
Precipitation
96 mm (3.8 in)
Rainy days
8 days
Humidity
74%
Sunshine
255 hours
Percentage Sunshine
58%
Buan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Buan - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Buan typically rise from around 20°C (68°F) at the start of May to approximately 24°C (75°F) by the end. Nights are cool, with lows typically ranging from 11°C (52°F) to 16°C (61°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 Buan in May
Browse day-by-day weather records for Buan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Buan historical weather extremes in May
Based on 50 years of weather observations in Buan between 1976 and 2026, these are the recorded extremes.
- On May 28, 2003, temperatures climbed to 32°C (90°F), marking the warmest May day on record.
- The lowest daytime temperature in May was 12°C (54°F), recorded on May 7, 2002.
- The coldest night in May in Buan was on May 1, 2010, with a minimum of 5°C (41°F).
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 Buan in May
For Buan in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Buan in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Buan 3-Day Forecast
More climate data for Buan
Temperature Rainfall Sunshine Humidity
See the full Buan 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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